Academic literature on the topic 'Hydration fluid'

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Journal articles on the topic "Hydration fluid"

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Kurniawati, Fitri, Laras Sitoayu, Vitria Melani, Rachmanida Nuzrina, and Yulia Wahyuni. "HUBUNGAN PENGETAHUAN, KONSUMSI CAIRAN DAN STATUS GIZI DENGAN STATUS HIDRASI PADA KURIR EKSPEDISI." JURNAL RISET GIZI 9, no. 1 (June 1, 2021): 46–52. http://dx.doi.org/10.31983/jrg.v9i1.6428.

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Background: Hydration results from body fluids balance, while dehydration results from body fluids imbalance. Dehydration can result from losing too much water, not drinking enough or both of these things. There are certain job who has special needs for fluids especially who works in hot environments.Objective: To determine the relationship between knowledge, fluid intake and nutritional status with hydration status in expedition couriers.Methods: A cross-sectional design with 44 expedition couriers as the research subject. Knowledge of fluids were obtained using a questionnaire, fluid intake were obtained by interview using repeated 24-h food recall, nutritional status were obtained by using BMI and the hydration status were obtained by urine specific gravity using urinalysis reagent strips. The data was processed and analyzed using Pearson correlation test.Results: Most of the respondents had sufficient knowledge (59.1%). The average fluid intake of the respondents were 2562 mL. Most of the respondents had normal nutritional status (45.4%). Almost half of respondents has pre-dehydration (45.5%). There were arelationship between knowledge of fluids and hydration status (p=0,0001, r=-0,514), also between fluid intake and hydration status (p=0,0001, r=-0,685). There is no relationship between nutritional status and hydration status (p=0,337, r=0,148).Conclusion: Fluid intake and hydration status on expedition couriers are still not as expected, even though expedition couriers have sufficient knowledge.
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Cao, Han, Zheng Zhang, Ting Bao, Pinghe Sun, Tianyi Wang, and Qiang Gao. "Experimental Investigation of the Effects of Drilling Fluid Activity on the Hydration Behavior of Shale Reservoirs in Northwestern Hunan, China." Energies 12, no. 16 (August 16, 2019): 3151. http://dx.doi.org/10.3390/en12163151.

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The interaction between drilling fluid and shale has a significant impact on wellbore stability during shale oil and gas drilling operations. This paper investigates the effects of the drilling fluid activity on the surface and osmotic hydration characteristics of shale. Experiments were conducted to measure the influence of drilling fluid activity on surface wettability by monitoring the evolution of fluid-shale contact angles. The relationship between drilling fluid activity and shale swelling ratio was determined to investigate the osmotic hydration behavior. The results indicate that, with increasing drilling fluid activity, the fluid–shale contact angles gradually increase—the higher the activity, the faster the adsorption rate; and the stronger the inhibition ability, the weaker the surface hydration action. The surface adsorption rate of the shale with a KCl drilling fluid was found to be the highest. Regarding the osmotic hydration action on the shale, the negative extreme swelling ratio (b) of the shale was found to be: bKCl < bCTAB < bSDBS. Moreover, based on the relationship between the shale swelling ratio and drilling fluid activity, shale hydration can be divided into complete dehydration, weak dehydration, surface hydration, and osmotic hydration, which contributes to the choice of drilling fluids to improve wellbore stability.
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Suppiah, Haresh T., Ee Ling Ng, Jericho Wee, Bernadette Cherianne Taim, Minh Huynh, Paul B. Gastin, Michael Chia, Chee Yong Low, and Jason K. W. Lee. "Hydration Status and Fluid Replacement Strategies of High-Performance Adolescent Athletes: An Application of Machine Learning to Distinguish Hydration Characteristics." Nutrients 13, no. 11 (November 15, 2021): 4073. http://dx.doi.org/10.3390/nu13114073.

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There are limited data on the fluid balance characteristics and fluid replenishment behaviors of high-performance adolescent athletes. The heterogeneity of hydration status and practices of adolescent athletes warrant efficient approaches to individualizing hydration strategies. This study aimed to evaluate and characterize the hydration status and fluid balance characteristics of high-performance adolescent athletes and examine the differences in fluid consumption behaviors during training. In total, 105 high-performance adolescent athletes (male: 66, female: 39; age 14.1 ± 1.0 y) across 11 sports had their hydration status assessed on three separate occasions—upon rising and before a low and a high-intensity training session (pre-training). The results showed that 20–44% of athletes were identified as hypohydrated, with 21–44% and 15–34% of athletes commencing low- and high-intensity training in a hypohydrated state, respectively. Linear mixed model (LMM) analyses revealed that athletes who were hypohydrated consumed more fluid (F (1.183.85)) = 5.91, (p = 0.016). Additional K-means cluster analyses performed highlighted three clusters: “Heavy sweaters with sufficient compensatory hydration habits,” “Heavy sweaters with insufficient compensatory hydration habits” and “Light sweaters with sufficient compensatory hydration habits”. Our results highlight that high-performance adolescent athletes with ad libitum drinking have compensatory mechanisms to replenish fluids lost from training. The approach to distinguish athletes by hydration characteristics could assist practitioners in prioritizing future hydration intervention protocols.
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Pustisari, Ferlica, Laras Sitoayu, Rachmanida Nuzrina, Dudung Angkasa, and Nazhif Gifari. "Hubungan Aktivitas Fisik, Konsumsi Cairan, Status Gizi Dan Status Hidrasi Pada Pekerja Proyek." Jurnal Gizi 9, no. 2 (November 6, 2020): 215. http://dx.doi.org/10.26714/jg.9.2.2020.215-223.

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Hydration status is a condition that describes the amount of fluid in the body. If the intake of fluids from food and drinks in the project workers is not met, then it has an opportunity to cause dehydration. Declining productivity in workers can be caused by dehydration. Objectives this study to determine the relationship between physical activity, fluid intake, nutritional status and hydration status in project workers. An observational study with a cross sectional approach, the study population was project workers. The number of samples in this study were 53 respondents. The study was conducted by direct interview, measurement of body weight,height, body fat percent and urine specific gravity. Data analysis in this study used the Spearman correlation test. The age of workers ranged from 17-52 years. The average BMI score was22,417 kg / m2.The average value of PAL 2.37. The average fluid intake was 2018.30 ml. Moyority of workers have hydration status in severely dehydrated group (79.2%.) There is a relationship between physical activity (0.026), fluid intake and hydration status (0.001) but there is no relationship between nutritional status and hydration status (0.789). Keywords: fluid intake; nutritional status; physical activity; hydration status.
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Aggarwal, Pragati, and Sharda Patra. "Correction with oral hydration improves maternal and perinatal outcome in women with third trimester isolated oligohydramnios." International Journal of Reproduction, Contraception, Obstetrics and Gynecology 7, no. 2 (January 23, 2018): 671. http://dx.doi.org/10.18203/2320-1770.ijrcog20180192.

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Background: Oligohydramnios is related to serious maternal and fetal complications. In case of isolated oligohydramnios in third trimester maternal oral hydration has shown promising results in improving maternal and perinatal outcome.Methods: This study was conducted on 50 pregnant women complicated by idiopathic oligohydramnios (AFI<5) in third trimester. Their pre hydration daily fluid intake was noted and they were advised to take oral fluids more than their usual intake (according to their convenience). The daily fluid intake and AFI was measured on day1, day2, day3 then weekly till delivery. At delivery maternal and fetal outcome were measured.Results: The mean AFI of the study population at the time of enrolment was 4.25±1.01 and daily mean fluid intake was 1.46±0.41. The post hydration fluid intake per day was significantly high as compared to pre hydration fluid intake (4.40±0.51 litres vs 1.46±0.41 litres, p<0.001). A significant difference in the amniotic fluid index was seen post hydration. The mean AFI on day 1, day 2, day 3 was 6.19±0.93, 7.33±1.13, 8.0±1.07 as compared to pre hydration AFI 4.25±1.01 (p<0.001). The amniotic fluid index post hydration normalized (AFI>8) in 6%, 30%, 61% and 100% of women on day1, day2, day3 and after a week. The perinatal outcome was favourable in all the women with 100% live births and a mean birth weight of 2.77±0.29 kg.Conclusions: A simple correction of maternal dehydration by an adequate and sustained daily oral fluid intake in pregnancies complicated by isolated third oligohydramnios in third trimester significantly improves amniotic fluid index, maternal outcome and perinatal outcome.
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Fauza, Ahdiyatul, and Widya Astuti. "Hydration In Athletes: A Literature Review." Journal of Applied Food and Nutrition 2, no. 1 (February 8, 2022): 25–33. http://dx.doi.org/10.17509/jafn.v2i1.42698.

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The aim of this study to review the most recent research on the factors that most influence hydration. This study review using the literature research from google scholar, PubMed, and Elsevier. Many athletes after training experience dehydration due to not consuming enough fluids and electrolytes before, during training, and competition. To assess hydration status cannot be determined by just one factor. The general recommendation of hydration status measures using accurate biomarkers to detect body water fluctuations of 3% of total body water (TBW), using dehydration index, body mass, or color of urine. Therefore, monitoring hydration status is very important to maintain athlete performance. Exercise increases hypohydration due to fluid losses so that should be given to fluid supplementation and intake from certain food for each athlete. The factor that most influences the athlete's hydration is sweat loss and fluid intake.
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Mulder, Pamela J., and Sue E. Gardner. "The Healthy Newborn Hydration Model." Biological Research For Nursing 17, no. 1 (April 15, 2014): 94–99. http://dx.doi.org/10.1177/1099800414529362.

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The normal small volume of breast milk produced in the first 2 days following birth may raise concerns about adequate hydration in breast-fed newborns. These concerns are further magnified when breast-fed infants lose ≥7% of their birth weight within 2 days postnatally. Weight loss following birth is presumably mostly water loss that could result in hypohydration and subsequent hypernatremic dehydration. However, excess fluid loss immediately following birth is a normal and necessary process. Furthermore, newborns exposed to excess fluid intake during labor may need to lose ≥7% of birth weight in the first 2 days following birth in order to achieve euhydration. Normal newborn fluid loss following birth confounds the use of weight loss as the sole measure of newborn hydration. We thus propose the healthy newborn hydration model that highlights the normalcy of newborn weight loss immediately following birth and the healthy newborn’s compensatory mechanisms for preserving adequate hydration. We also recommend the use of serum sodium to measure intravascular osmolarity in addition to monitoring weight loss to obtain a more comprehensive newborn hydration assessment. Research is necessary in healthy newborns to identify relationships among fluids received in utero, newborn weight loss, and hydration, as evaluated with laboratory measures, in the first 2 days following birth. This information will guide clinicians in correctly identifying newborns with inadequate hydration who are in need of supplementary fluids versus newborns with adequate hydration for whom exclusive breast-feeding can be supported and encouraged.
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Greene, Carolynn, Jennie Wilson, Alison Tingle, and Heather Loveday. "An exploration of hydration care for nursing home residents living with dementia." Nursing and Residential Care 23, no. 12 (December 2, 2021): 1–8. http://dx.doi.org/10.12968/nrec.2021.23.12.3.

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Background/aims Older adults residing in nursing homes are vulnerable to dehydration. Residents living with dementia can experience additional challenges, making it difficult to independently consume sufficient fluids. The aim of this study was to describe the experience of hydration care for nursing home residents living with dementia. Methods Observations of hydration care were conducted between 06:00 and 22:45 on one care home unit. Twenty-two residents with dementia were eligible for observation. Conversations with staff and relatives provided further insights. The data were analysed using thematic analysis. Findings Hydration care provision was highly routinised with little flexibility. Residents received limited support to express individual choices, and staff missed opportunities to provide drinks. More fluid was consumed when care staff developed strategies to encourage fluid intake. Conclusions Key factors to optimise hydration care include providing individual support to encourage fluid intake and expression of choice, flexible care routines, and focus on communication and teamworking.
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Bo, Kehao, Yan Jin, Yunhu Lu, Hongtao Liu, and Jinzhi Zhu. "A Quantitative Evaluation Method of Anti-Sloughing Drilling Fluid Inhibition for Deep Mudstone." Energies 15, no. 3 (February 8, 2022): 1226. http://dx.doi.org/10.3390/en15031226.

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Wellbore instability resulting from deep mudstone hydration severely restricts the development of oil and gas resources from deep reservoir in western China. Accurate evaluation of drilling fluid inhibition properties plays an important role in selecting drilling fluid that can control deep mudstone hydration and then sustain wellbore stability. The previous evaluations are conducted by qualitative analysis and cannot consider the influence of complex hydration conditions of deep mudstone (high temperature, high pressure and flushing action). The study proposes a quantitative method to evaluate drilling fluid’s inhibition property for deep mudstone under natural drilling conditions. In this method, the cohesive strength of mudstone after hydration is adopted as the inhibition index of the tested drilling fluid. An experimental platform containing a newly designed HPHT (High pressure and high temperature) hydration experiment apparatus and mechanics characterization of mudstone after hydration based on scratch test is proposed to obtain the current inhibition index of tested drilling fluid under deep well drilling environments. Based on the mechanical–chemical wellbore stability model considering strength weakening characteristics of deep mudstone after hydration, a cross-correlation between drilling fluid density (collapse pressure) and required inhibition index (cohesive strength) for deep mudstone is provided as the quantitative evaluation criterion. Once the density of tested mud is known, one can confirm whether the inhibition property of tested mud is sufficient. In this study, the JDK mudstone of a K block in western China is selected as the application object of the proposed evaluation method. Firstly, the evaluation chart, which can demonstrate the required inhibition indexes of the tested fluids quantitatively with various densities for JDK mudstone, is constructed. Furthermore, the experimental evaluations of inhibition indexes of drilling fluids taken from two wells in K block are conducted under ambient and deep-well drilling conditions, respectively. In order to show the validity and advantage of the proposed method, a comparison between the laboratory evaluation results and field data is made. Results show that the laboratory evaluation results under deep-well drilling conditions are consistent with the field data. However, the evaluation under ambient conditions overestimates the inhibition property of the tested fluid and brings a risk of wellbore instability. The developed quantitative method can be a new way to evaluate and optimize the inhibition property of drilling fluid for deep mudstone.
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Bottin, Jeanne H., Clémentine Morin, Isabelle Guelinckx, and Erica T. Perrier. "Hydration in Children: What Do We Know and Why Does it Matter?" Annals of Nutrition and Metabolism 74, Suppl. 3 (2019): 11–18. http://dx.doi.org/10.1159/000500340.

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In children, maintaining adequate fluid intake and hydration is important for physiological reasons and for the adoption of healthy, sustainable drinking habits. In the Liq.In7 cross-sectional surveys involving 6,469 children (4–17 years) from 13 countries, 60% of children did not meet the European Food Safety Authority (EFSA) adequate intake for water from fluids. Beyond fluid quantity, the quality of what children drink is important for health. In these surveys, the contribution of sugar-sweetened beverages and fruit juices to total fluid intake (TFI) in children exceeded that of water in 6 out of 13 countries. To assess the adequacy of children’s fluid intake, urinary biomarkers of hydration such as urine osmolality, urine specific gravity, and urine color may be used. To date, while there are no widely accepted specific threshold values for urine concentration to define adequate hydration in children, the available literature suggests that many children have highly concentrated urine, indicating insufficient fluid intake. This is worrisome since studies have demonstrated a relationship between low fluid intake or insufficient hydration and cognitive performance in children. Furthermore, results of the Liq.In7 surveys showed that at school – where children spend a significant amount of time and require optimal cognitive performance – children drink only 14% of their TFI. Consequently, it is pertinent to better understand the barriers to drinking water at school and encourage the promotion of water intake through multicomponent interventions that combine educational, environmental, and behavioral aspects to support adequate hydration as well as optimal cognition in children.
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Dissertations / Theses on the topic "Hydration fluid"

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Maurer, Jaclyn, and Linda Houtkooper. "Fluid First." College of Agriculture and Life Sciences, University of Arizona (Tucson, AZ), 2005. http://hdl.handle.net/10150/146467.

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Jusoh, Normah. "Hydration, thirst and fluid balance in resting and exercising individuals." Thesis, Loughborough University, 2010. https://dspace.lboro.ac.uk/2134/6641.

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Adequate fluid consumption is central to human survival. Previous literature suggests that there some misconceptions regarding hydration and fluid balance in some populations. Available data also show that the role of thirst sensations in maintaining fluid balance in different settings is also equivocal. Therefore, this thesis aimed to examine the perception of hydration, thirst and fluid intake in freeliving populations, to examine the feasibility of thirst as a marker of hydration status and to investigate the effect of thirst related sensations on fluid balance in resting and exercising individuals under different ambient temperatures. The findings in this thesis (Chapter 3) show that individuals who work within the fitness industry demonstrated substantial knowledge about drinking practices, hydration status and health consequences of water consumption, but lack understanding on the type of beverages that adequately hydrate the body. Further, thirst perception and mood states did not affect (P>0.05) the fluid intake in free living individuals (Chapter 4) and resting individuals under cool and warm exposure (Chapter 6), but some other factors such as subjective feelings of mouth dryness and the extent of hydration status might influence the fluid intake behaviour in these populations. In addition, following ingestion of flavoured carbohydrate drinks, thirst sensations was rated lower over time (P<0.05) during exercise in the cool, but was higher over time in the warm temperature (Chapter 7). Moreover, subjective feelings related to dehydration such as mouth dryness, thirst perception, desire to drink (water pleasantness) and hunger rating could be used as index of hydration status to signify at least a 1% body mass loss due to food and fluid restriction in resting individuals (Chapter 5). In conclusion, the findings in this thesis provide some new insight with respect to hydration, thirst and fluid balance in different populations under different settings. Nevertheless, some inconclusive findings regarding the role of thirst related sensations in fluid balance require further investigations.
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Oliver, Samuel J. "Fluid and energy deficits : Hydration markers, saliva immunoglobulin A and endurance performance." Thesis, Bangor University, 2007. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.505956.

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Rodriguez-Sanchez, Nidia. "Hydration and fluid balance : studies on body composition, drink formulation and ageing." Thesis, University of Stirling, 2016. http://hdl.handle.net/1893/25390.

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The thesis reports on 6 studies (2 of which were part of a multi-centre trial) examining hydration and fluid balance. The first study described in this thesis investigated the impact of hydration status on Dual energy x-ray absorptiometry (DXA) and other methods that are popular tools to determine body composition in athletes. We observed that it is important to ensure a euhydration when assessing body composition, particularly when considering changes associated with nutritional or exercise interventions. The second and third studies reported identified beverages that promote longer term fluid retention and maintenance of fluid balance in adults. We investigated the effects of 13 different commonly consumed drinks on urine output and fluid balance when ingested in a euhydrated state, with a view to establishing a beverage hydration index (BHI), i.e., the volume of urine produced after drinking expressed relative to a standard treatment (still water) for each beverage. The beverages with the highest BHI were oral rehydration solution, full fat milk and skimmed milk. BHI may be a useful measure to identify the short term hydration potential of different beverages when ingested in a euhydrated state. The fourth study aimed to systematically examine the influence of carbohydrate, sodium and caffeine content of beverages on the BHI. The BHI was greater in beverages with higher carbohydrate or higher sodium content, but not influenced by caffeine. The carbohydrate content of beverages has no effect on BHI at concentration up to 10% carbohydrate. Sodium content of beverages in concentrations of 27mmol/L and higher can improve the hydration potential of beverages. Caffeine doses in beverages up to 400mg/L do not have an impact upon diuresis when ingested in a euhydrated state. The fifth study compared net fluid balance (NFB) responses to the ingestion of commonly consumed drinks in young and older men. We observed that in young adults milk helps to maintain positive net fluid balance for longer than other drinks. In older adults this effect of milk is not observed despite similar net electrolyte balance responses. Future work should more fully explore these potential differences in fluid balance responses to drink ingestion between young and older adults. The final study investigated the hydration habits of Scottish young and older adults (+50 years old), identifying their fluid choices, volume, and preferences in relation to time of day. The results showed that 26.1% of the young females, 30.3% of the young males, 25.8% of the older females and 50.4% of the older males did not meet the European (EU) Food Safety Authority (EFSA) fluid intake recommendations. We also observed that the difference between those who met and those who did not meet the EFSA adequate intake could be attributed to differences in water ingestion, mainly during the mid-morning (after breakfast until 11 am) and during the early-afternoon (after lunch time up to 5 pm). It was concluded that these moments might be key when implementing interventions to improve hydration status especially in the older population.
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Trammell, Jeffie Elisha. "Assessment of hydration knowledge, attitude, behaviors and fluid replacement effectiveness of collegiate athletes." Connect to this title online, 2007. http://etd.lib.clemson.edu/documents/1181251748/.

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Kostelnik, Samantha Bond. "The Evaluation of Methods to Rapidly Assess Beverage Intake and Hydration Status." Diss., Virginia Tech, 2020. http://hdl.handle.net/10919/105142.

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Dehydration can impact the general population but it is particularly detrimental for athletes, due to their physical performance requirements. Although fluids in general contribute to meeting hydration needs, some beverages aid in the rehydration process more than others. The Beverage Intake Questionnaire (BEVQ-15) is a food frequency questionnaire (FFQ) that can rapidly assess habitual beverage intake; this FFQ has been validated in children and adults. However, no beverage consumption questionnaire has been validated in athletes. In addition to monitoring fluid intake, hydration status can be assessed through urinary and blood indices. Urine color (UC) has been utilized as a practical hydration biomarker in several populations. However, this biomarker has not been validated among the general population of collegiate athletes. The first study (n=58): formulated a novel whey-permeate-based beverage to promote hydration and assess its sensory characteristics in the general population. The overall acceptability of the beverage was lower than the control beverage, according to a 9-point Likert scale (x̅ = 4.5 – 4.9 and x̅ = 6.7, respectively). The second study (n=120): evaluated the comparative validity and reliability of the BEVQ-15 and UC within NCAA Division 1 collegiate athletes. Associations were noted between the BEVQ-15 and multiple 24-hr dietary recalls (reference method) for total beverage fl oz and kcal (r=0.41 and r=0.47, p<0.05, respectively). There were associations between athlete's UC and urinary specific gravity (USG; hydration biomarker) rated by athletes and researchers (r=0.67 and 0.88, p<0.05, respectively). Lastly, a systematic review was performed to evaluate original research addressing the validity of UC as a hydration biomarker in the adult population more broadly, including athletes and older adults. Eleven of 424 articles met inclusion criteria, and the available research generally reported significant correlations between UC and other hydration indices (r=0.35-0.93). However, limitations in existing research were evident. Although the BEVQ-15 may be a valid beverage intake assessment method in collegiate athletes, additional modifications were identified which could improve its validity. Future work includes re-evaluating the validity and reliability of the BEVQ-15 specifically modified for athletes, as well as assessing the sensitivity of this FFQ to detect changes in beverage intake.
Doctor of Philosophy
Drinking adequate amounts of fluids is important for maintaining normal bodily functions. When body water losses exceed fluid intake, dehydration may result, which can lead to numerous consequences such as headaches, dizziness, decreased mental focus, and fatigue. An athlete, who has high physical demands, may experience these negative consequences as well as muscle cramps, increased strain on the heart, and decreased athletic performance. Some beverages can replenish lost fluids better than others, due to their electrolyte (i.e. sodium, potassium, magnesium) content. This may include whey-permeate based beverages. In order to prevent dehydration, it is important to monitor fluid consumption and fluid losses. A beverage intake questionnaire (BEVQ-15) can be used to quickly assess usual beverage intake. Studies have shown that this questionnaire is accurate in children, adolescents, and adults. However, there are currently no validated methods for usual habitual beverage intake in athletes. This dissertation evaluated the taste of a new whey-permeate hydration beverage, and the accuracy and test-retest reliability of the BEVQ-15 within NCAA Division 1 collegiate athletes and found positive results. Measurements in urine and blood can be also be used to assess hydration status, but some of these methods are more expensive and less practical for daily use in real-world settings. Urine color (UC) has been studied as a hydration indicator, but this dissertation is the first to evaluate the accuracy and reliability of this method within a diverse group of collegiate athletes, in a real-world setting. Our results suggest that UC is a simple and reasonably accurate hydration assessment method when compared to another urinary assessment method. Nonetheless, there is limited research which has studied this topic. Future work can address methods to improve the effectiveness of these approaches for maintaining and evaluating fluid intake and status in the collegiate athletic population.
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Holland, Justin J. "The role of hydration in motorsport performance." Thesis, University of Queensland, 2018.

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Motorsport is a physically and cognitively demanding sport, where driver-athletes compete in compensable environments. The term ‘driver-athlete’ acknowledges that drivers possess certain unique skills that have been developed through training and practice that allows them to compete for a prize, recognition and admiration from peers and the public. Hydration and physical fitness are two important variables that may assist in a driver’s preparation for a race and subsequent health, safety and performance. This thesis has three main research studies that aim to understand the associated demands of motor racing, the attitudes and behaviours of drivers towards thermoregulation and physical fitness and finally understanding how these variables interact to determine the impact of dehydration on a driver’s health, safety and performance. The studies collectively contributed to better understand how to optimise the performance of the driver-athlete. Study one aimed to explore the hydration status and thermoregulatory responses during Australian Supercar racing. Data was collected from Friday through to Sunday of three separate race meetings from three professional Australian Supercar drivers. Friday races consisted of three 20 – 30 min practice sessions, Saturday was a 20 min qualifying session and two races (36 – 56 min) with one endurance race (75 – 116 min) on Sunday. Contrary to our hypothesis, drivers progressively hydrated over the three days in accordance with a gradual increase in fluid intake, despite rarely consuming fluid during a race due to unpalatable water temperatures and limited availability of fluid. Morning urine samples indicated a hypohydrated [urine specific gravity (USG) >1.020] state for 50, 44 and 44% of the samples collected on Friday (n = 6), Saturday (n = 9) and Sunday (n = 9), respectively. Importantly, 25% (n = 16) of tympanic temperatures were >38.5oC indicating moderate heat strain and moderate-to-extreme dehydration [42% of total samples (n = 158) with a USG >1.020], suggesting that some drivers may be susceptible to hyperthermia and dehydration in compensable environments. Study two determined if the observed behaviours in study one were related to the attitudes of drivers towards hydration, and whether those behaviours were a construct of their purported benefit/decrement on performance. Using a survey that was divided into three components: 1) attitudes and perceptions, 2) behaviours, and 3) demographics was completed. The survey included a total of 79 questions on a Likert-type scale rating importance or agreeance, and in some questions, acknowledgement of select behaviours. A total of one hundred drivers (56.5% of respondents) completed the survey in full. Driver-athletes noted the importance of fluid balance (95.0% of respondents) and physical fitness (80.0% of respondents) in relation to performance. A higher (p = 0.002) number of professional drivers (71.4%) noted the importance of measuring body mass for hydration status compared to amateur drivers (37.5%). A higher (p = 0.008) percentage of amateur drivers (70.8%) indicated that they don’t follow an individualised hydration plan in comparison to professional drivers (42.9%). External cooling devices were used across a race weekend, including cool suits and cold towels (both 16.0%), and ice vests and ice baths (4.0%). Plain water was predominately ingested (95.0%) across a race weekend by drivers, however there was a distinct lack of access to fluids during a race. There was an apparent lack of translation from attitudes to behaviours for idealistic hydration, thermoregulation and physical fitness-related practices. Drivers clearly acknowledge the importance of hydration, thermoregulation and physical fitness, but the importance placed on measuring these factors to prevent dehydration and heat stress is not evident. The preceding studies informed the methodological design for research study three. In this study, the effect of dehydration on simulated motor racing performance and physiological parameters were investigated. In a crossover-control design, participants (n = 15) were randomised (counter-balanced) to either a no fluid trial [2.00% body mass loss (BML)] or fluid trial to achieve a 0.50% body mass gain. Passive dehydration to 2.00% BML was achieved via sauna exposure (43.3°C). The control group was also exposed to the sauna, however received plain room temperature water in 9.5 ± 1.5 bottles of water every 10 min to achieve a 0.50% body mass gain. After a 2 h rest period participants raced around the Bathurst race-track using a fixed-based racing simulator for 60 min in conditions (43.2°C) similar to that of Australian Supercar racing. Dehydration appeared to have no influence (p = 0.293) on racing performance, however, there was a trend (p = 0.007; r = 0.516) for drivers to have more severe errors towards the end of the race. There was a positive (p < 0.05) effect of being hydrated on peak measurements of core temperature (37.7 ± 0.3 vs. 38.0 ± 0.2°C), physiological strain index (3.5 ± 1.1 vs. 4.1 ± 1.1) and heart rate (121 ± 16 vs. 129 ± 16 beats.min-1) in comparison to being dehydrated. This data indicates that entering a race of 60 min duration in a dehydrated state (2.69% body mass loss) resulted in no performance benefit or detriment, despite participants reporting feelings of thirst and reduced alertness, concentration, and mood at the beginning of the race. Overall, this thesis shows that hydration does have a role in a driver’s health, safety and performance. However, the importance and hierarchical priority of hydration in a driver’s preparation is highly individual with substantial variations in thermoregulatory responses to motor racing. It appears the hydration behaviours and attitudes of drivers have limited impact on their racing performance, however, may have effects on their health and thermoregulatory capacity. Collectively, the present results provide insight into the driver-athlete and the role that hydration has on a driver's health, safety and performance.
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Lopes, Marco A. F. "Hydration of Colonic Ingesta and Feces in Horses Fed Large Grain Meals or Treated with Enteral Fluid Therapy, Saline Cathartics and Intravenous Fluid Therapy." Diss., Virginia Tech, 2002. http://hdl.handle.net/10919/29338.

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Systemic hydration, plasma electrolytes, ingesta and fecal hydration and gastrointestinal passage of cobalt (after CoEDTA administration via nasogastric tube) in horses fed large grain meals or treated with enteral fluid therapy, IV fluid therapy and enteral laxatives were investigated. In the first study, 0.9% NaCl (10 L/h/8h) was administered slowly via a small-bore nasogastric tube or as 10 L boluses via a large-bore nasogastric tube to four normal horses. In the other studies, horses with a right dorsal colon fistula were used. To create the right dorsal colon fistula, a cannula with 5 cm internal diameter was implanted 2 to 6 weeks after a right dorsal colopexy had been created. Six horses with the right dorsal colostomy were alternately used to test three feeding regimes for 48 h: 1- hay free choice; 2- hay free choice plus 4.5 kg of sweet feed twice daily after a period of 5 days of adaptation; 3- sudden change from hay to hay plus sweet feed. Seven horses with the right dorsal colostomy were alternately used to test 6 experimental conditions while fasted for 24 h: 1- control (no treatment), 2- enteral MgSO4 (1 g/kg), 3- enteral Na2SO4 (1 g/kg), 4- IV lactated Ringer's solution (5 L/h/12 h), 5- enteral water (5 L/h/12 h), 6- enteral electrolyte solution (5 L/h/12 h). In the last study, four horses with the right dorsal colostomy were alternately treated with enteral electrolyte solution (10 L/h/6h) and enteral MgSO4 (1 g/kg) plus IV fluid therapy (10 L/h/6h). Despite the administration regimen, enteral administration of 0.9% NaCl produced diarrhea, hypernatremia and hyperchloremia. Colostomy allowed serial collection of large ingesta samples. Grain ingestion did not change PCV or plasma protein, but affected plasma electrolytes and produced dehydration of ingesta and formation of frothy ingesta. Fasting delayed gastrointestinal transit. Enteral fluid therapy was the most effective treatment in promoting ingesta hydration. Enteral water, MgSO4, Na2SO4, IV fluid therapy and enteral MgSO4 plus IV fluid therapy were either ineffective in promoting ingesta hydration or produced marked plasma electrolyte imbalance. These findings support the use of enteral fluid therapy in horses with gastrointestinal impaction.
Ph. D.
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Hanson, Sarah A. "Pre-Donation Fluid Loading Attenuates Negative Reactions in First-Time Blood Donors." Ohio University / OhioLINK, 2004. http://www.ohiolink.edu/etd/view.cgi?ohiou1089921304.

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Sims, Jesse N. L. "Exploration of fluid intake practices in endurance running." Thesis, Queensland University of Technology, 2021. https://eprints.qut.edu.au/226656/1/Jesse_Sims_Thesis.pdf.

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Utilising a survey based approach, this thesis aimed to understand how fluid intake practices differ among endurance runners and characterise how fluid practices may reflect performance outcomes. The findings from this study indicate that collectively there is no difference between sex when exploring fluid intake beliefs and behaviours towards hydration optimisation strategies. This suggests that human behaviour is influential in understanding fluid intake practices in endurance runners. Fluid intake optimisation strategies are highly individualised and further research is still required to shape the avenue for future fluid intake recommendations.
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Books on the topic "Hydration fluid"

1

Hilibrand, Alan Sander. The effects of hydration fluids during prolonged exercise. [New Haven: s.n.], 1990.

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No water - no life: Hydration in the dying. Alsager, Cheshire, U.K: Fairway Folio, 2004.

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R, Gallagher-Allred Charlette, and Amenta Madalon O'Rawe, eds. Nutrition and hydration in hospice care: Needs, strategies, ethics. New York: Haworth Press, 1993.

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Christopher, Tollefsen, ed. Artificial nutrition and hydration: The new Catholic debate. Dordrecht: Springer, 2008.

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1955-, Campion Bridget, and Canadian Catholic Bioethics Institute, eds. Reflections on artificially supplied nutrition and hydration: Proceedings of Quodlibet, 2004, Toronto, Canada. Toronto: Canadian Catholic Bioethics Institute, 2007.

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Canadian Catholic Bioethics Institute. Quodlibet. Reflections on artificially supplied nutrition and hydration: Proceedings of Quodlibet, 2004, Toronto, Canada. Toronto: Canadian Catholic Bioethics Institute, 2007.

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Cook, Neal Francis. Neurosurgical nurses' management of fluid therapies and hydration in patients with subarachnoid haemorrage - an action research project. (s.l: The Author), 2002.

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Hard decisions: Forgoing and withdrawing artificial nutrition and hydration. Kansas City, MO: Sheed & Ward, 1990.

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J, Arnaud M., Vellas B. J, Albarede J. L, and Garry Philip J. 1933-, eds. Hydration and aging. Paris: Serdi, 1998.

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Meyer, Flavia, Zbigniew Szygula, and Boguslaw Wilk. Fluid Balance, Hydration, and Athletic Performance. Taylor & Francis Group, 2016.

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Book chapters on the topic "Hydration fluid"

1

Johannsen, Neil M., and Conrad P. Earnest. "Fluid Balance and Hydration for Human Performance." In Nutritional Supplements in Sports and Exercise, 105–19. Cham: Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-18230-8_6.

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Vilmundardóttir, Vilborg Kolbrún, and Sigrún Sunna Skúladóttir. "Preventing and Managing Hydration and Dehydration in Older People." In Perspectives in Nursing Management and Care for Older Adults, 87–98. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-63892-4_7.

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AbstractPrevious chapters have described nutritional care in geriatrics and orthogeriatrics in detail, including special focus on malnutrition and best practice in nursing care. This chapter will focus on recommendations and guidelines for hydration, fluid intake and intravenous fluid therapy in geriatrics and orthogeriatrics.
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Carr, A. J., C. R. Southward, and L. K. Creamer. "Protein Hydration and Viscosity of Dairy Fluids." In Advanced Dairy Chemistry—1 Proteins, 1289–323. Boston, MA: Springer US, 2003. http://dx.doi.org/10.1007/978-1-4419-8602-3_35.

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Ahmad, Hafiz Mudaser, Tanveer Iqbal, and Saima Yasin. "Application of Surfactants in the Drilling Fluids to Mitigate the Shale Hydration and Swelling." In Surfactants in Upstream E&P, 41–72. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-70026-3_2.

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Nicolaïdis, S., M. El Ghissassi, and S. N. Thornton. "Rostro-Sagittal Brain: Site of Integration of Hydrational Signals in Body Fluid Regulation and Drinking." In Thirst, 207–18. London: Springer London, 1991. http://dx.doi.org/10.1007/978-1-4471-1817-6_12.

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Moore, Tina. "Hydration and fluid balance." In Nursing Skills in Nutrition, Hydration and Elimination, 15–30. Routledge, 2019. http://dx.doi.org/10.4324/9781351065702-4.

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Ugboma, Debra, and Michelle Cowen. "Managing Hydration." In Adult Nursing Practice. Oxford University Press, 2012. http://dx.doi.org/10.1093/oso/9780199697410.003.0030.

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This chapter addresses the fundamental nursing role of managing hydration. Water is a basic nutrient and is essential to sustaining human life. In the developed world, we often take for granted the basic commodity of clean and plentiful water, but in other parts of the world water can have a profound effect on human health, in both the reduction and the transmission of disease (World Health Organization, 2011). For health, body water and electrolytes must be maintained within a limited range of tolerances. For nurses working in acute or primary care settings anywhere in the world, it is important to have a clear understanding of fluid and electrolyte homeostasis to assess haemodynamic status, to anticipate and recognize deterioration in status, and to implement appropriate corrective interventions. Developing knowledge and associated skills around this topic will be facilitated by reflecting upon your clinical experiences as a student or as a qualified nurse, and your ability to link theory and practice. Your basic foundation of knowledge should include an understanding of how fluid is gained and lost from the body, the distribution of water between different compartments within the body, the processes by which fluid and electrolytes move between the intracellular and extracellular environments (Pocock and Richards, 2009; Cowen and Ugboma, 2011), and knowledge of the different types of intravenous replacement fluid (Endacott et al., 2009: 249–73). Equally important is an insight into the use of criteria such as clinical/ outcome indicators and benchmarking, what to use on what occasions, and how to use such tools to your best advantage. Armed with this knowledge, you will be well equipped to assess each patient’s needs and to make clinical decisions about the most appropriate evidence-based nursing interventions to be used. The state of water balance within the body is principally maintained by the osmoreceptors in the hypothalamus. These are best described as ‘sensors’ that detect the osmolarity (concentration) of the blood to stimulate or suppress the thirst mechanism, as well as regulate the amount of antidiuretic hormone (ADH) released by the posterior pituitary gland. When a person is becoming dehydrated, the thirst centre will be stimulated and usually he or she will seek fluid to rehydrate him or herself.
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Mora-Rodriguez, Ricardo, and Juan F. Ortega. "Cardiovascular Responses to Body Fluid Imbalance." In Fluid Balance, Hydration, and Athletic Performance, 61–81. CRC Press, 2016. http://dx.doi.org/10.1201/b19037-6.

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Shephard, Roy. "Hydration and Fluid Restriction in Athletes." In Optimizing Physical Performance During Fasting and Dietary Restriction, 117–34. CRC Press, 2015. http://dx.doi.org/10.1201/b18820-7.

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Burke, Louise M. "Role of Fluid Intake in Endurance Sports." In Fluid Balance, Hydration, and Athletic Performance, 109–31. CRC Press, 2016. http://dx.doi.org/10.1201/b19037-9.

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Conference papers on the topic "Hydration fluid"

1

Silva, Emilio C. C. M., Siva Rama Krishna Jandhyala, Sameer Bardapurkar, Venkata Gopala Rao Palla, Kris Ravi, Sheetal Singh, and William Pearl. "Measurement Procedures and Analysis of Fluid Invasion Drivers During Cement Hydration." In Offshore Technology Conference. Offshore Technology Conference, 2016. http://dx.doi.org/10.4043/26944-ms.

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Wang, Xuerui, Feng Hao, Baojiang Sun, and Zhiyuan Wang. "A Coupled Model of Temperature and Pressure for Managed Pressure Cementing in Deep-Water Region." In SPE Middle East Oil & Gas Show and Conference. SPE, 2021. http://dx.doi.org/10.2118/204621-ms.

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Abstract The narrow density window in deep-water environment brought great challenges to well drilling and completion by causing well control issues. Managed Pressure Cementing (MPC) is a new technology developed from Manage Pressure Drilling (MPD), which can precisely control the annular fluid pressure profile. Accurate calculation of wellbore temperature and pressure is the key to MPC. This paper focus on coupled models of temperature and pressure for MPC in deep-water region. The well cementing process can be divided into two stages: fluid displacement stage and cement setting stage, which displays different characteristics. During the cementing displacement stage, the cement is in a flowable slurry state and is circulated into the annulus. During this process, the rheology of fluids if effected by temperature in wellbore. On basis of the fluid rheology model, a coupled model of temperature and pressure in wellbore is established considering the transient flow characteristics during cementing displacement stage. During cement setting stage, the cement slurry stops flowing and the significant cement hydration reaction starts. A large amount of hydration heat and obvious pressure reduction can be observed. On basis of the cement hydration kinetics model, a coupled model of temperature and pressure in wellbore during cementing setting stage is established. Based on the models established in this paper, a series of numerical simulations are conducted using a deep-water well. Simulation results show that neglecting the complicated interactions between temperature and pressure can cause a big error. During the cementing displacement stage, higher temperature in the deep part of wellbore reduces the fluid viscosity, which leads to a smaller friction. On the contrary, larger friction is observed near seabed as a result of the low temperature in deep-water environment. The pressure in wellbore changes frequently due to the coexistence of multiple fluids in wellbore. Therefore, a frequent control of annular fluid pressure is required using the MPC technology. During the cement setting stage, an obvious temperature increase is observed as a result of cement hydration heat. The pressure decreases with the depending of cement hydration. An addition back pressure at wellhead has to be added using the MPC technology. The transient temperature and pressure have impact on the rate of cement hydration in turn. Cement in the deep part of wellbore have a faster rate of cement hydration. The low temperature at mudline slows the cement hydration process. Considering the complicated interactions between temperature, pressure, cement hydration and fluid rheology, coupled models between temperature and pressure based on hydration kinetics during well cementing in deep-water region is established in the manuscript. The new model established in this paper plays an important role in the MPC technology.
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Dobrica, Elena, Joseph Nuth, and Adrian Brearley. "Fluid-Assisted Hydration Processes on Chondrite Parent-Bodies: Low-Temperature Experimental Alteration." In Goldschmidt2020. Geochemical Society, 2020. http://dx.doi.org/10.46427/gold2020.592.

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Sperna Weiland, CJ, XJ Smeets, W. Kievit, RC Verdonk, AC Poen, A. Bhalla, NG Venneman, et al. "A Randomised Trial of Aggressive Fluid Hydration to Prevent Post-ERCP Pancreatitis (FLUYT)." In ESGE Days 2021. Georg Thieme Verlag KG, 2021. http://dx.doi.org/10.1055/s-0041-1724323.

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Hansen, Will, Eduardus Koenders, and Zhichao Liu. "Rheology and Hydration of Cementitious Slurries." In ASME 2014 33rd International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/omae2014-24630.

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Predicting temperature effects on rheology and hydration of cementitious slurries considered for oil-well cement applications is important as temperature can vary significantly in a bore-well. During the plastic stage the fluid properties (yield and plastic viscosity) are investigated using a rheometer, while isothermal calorimetry is used to evaluate setting characteristics and early-age (0–7 days) heat of hydration. In this paper, experimental results at 3 different temperatures show that a 50/50 blend of Type I portland cement and slag cement at a 0.45 water-cementitious ratio has similar rheological and hydration properties as the reference system (Type I portland cement paste). The rheological properties were found to follow a two-parameter Bingham model, and temperature effects can be accounted for by an Arrhenius model. The effect of temperature on hydration rate can be predicted by a maturity function, which also is based on the Arrhenius rate model, where the apparent activation energy is a measure of temperature sensitivity.
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Wahyuni, Tri, Fillah Fithra Dieny, Aryu Candra, and A. Fahmy Arif Tsani. "The Effect of Rehydration with Variation Fluid Temperature on Hydration Status Among Football Athletes." In Proceedings of the 5th International Conference on Physical Education, Sport, and Health (ACPES 2019). Paris, France: Atlantis Press, 2019. http://dx.doi.org/10.2991/acpes-19.2019.64.

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Khatun, Mst Farzana, Md Sohel Rana, Tahasin Ahmed Fahim, and Syed Tauhid Zuhori. "Mathematical Models for Extracellular Fluid Measurement to Detect Hydration Level Based on Bioelectrical Impedance Analysis." In 2019 IEEE Canadian Conference of Electrical and Computer Engineering (CCECE). IEEE, 2019. http://dx.doi.org/10.1109/ccece.2019.8861841.

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Moghadam, A., and A. N. Corina. "Modelling Stress Evolution in Cement Plugs During Hydration." In 56th U.S. Rock Mechanics/Geomechanics Symposium. ARMA, 2022. http://dx.doi.org/10.56952/arma-2022-0966.

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ABSTRACT: In this work, we have developed a methodology to model the stress evolution in cement plugs during hydration. The model begins with the slurry state of cement and calculates the water consumption and void creation over time as the hydration reactions progress. The void volume change due to chemical shrinkage is imported into a coupled mechanical model that calculates the pore pressure drop and the resulting change in stresses. The results of the proposed modelling methodology are verified using lab experiments from the literature. The results provide new insights in understanding cement behavior under lab and field conditions. Under most scenarios, cement’s pore pressure drops to saturation pressure of water which leads to partial evaporation of the remaining pore water. This pore pressure drop controls the radial stress change, according to the theory of poroelasticity. For a plug set under an initial pressure of 5 MPa, the radial stress drops to 1.6 MPa after 20 hours of curing. This stress drop can cause the cement to debond from the casing, if the fluid pressure above the plug exceeds the final radial stress. This methodology can be extended to annular cements and initial cement stress after placement can be readily calculated. 1. INTRODUCTION Zonal isolation in active and abandoned wells is paramount to ensure minimal fugitive methane emissions and to protect shallow freshwater aquifers. Wells penetrate different strata and can create a leakage pathway in case of a damaged cement sheath. This has been linked to methane emissions to the atmosphere (Schout et al., 2019), and aquifers (Osborn et al., 2011). Historically, oil and gas wells have been the main culprit in providing the leakage pathway for unwanted fluids. As more geothermal, energy, and carbon storage wells are drilled as part of the energy transition, zonal isolation challenges require more attention due to the long expected lifetime for these wells and unique operating conditions.
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Peng, Chunyao, Wenqiang Feng, Xiaolin Yan, Jienian Yan, and Xiangdong Luo. "Offshore Benign Water-Based Drilling Fluid Can Prevent Hard Brittle Shale Hydration and Maintain Borehole Stability." In IADC/SPE Asia Pacific Drilling Technology Conference and Exhibition. Society of Petroleum Engineers, 2008. http://dx.doi.org/10.2118/114649-ms.

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Choi, Da-Hye, Heyjin Son, Seonghoon Jung, Jaehun Park, Woong-Yang Park, Oh Sang Kwon, and Gun-Sik Park. "Non-bulk-like behavior of hydration water on fluid phase lipids revealed by terahertz (THz) spectroscopy." In 2012 37th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz 2012). IEEE, 2012. http://dx.doi.org/10.1109/irmmw-thz.2012.6380130.

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