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Journal articles on the topic 'STORAGE VOLUME CONTROL'

Author: Grafiati

Published: 11 September 2023

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1

Gunning, William T., Meera Raghavan, Edward P. Calomeni, et al. "A Morphometric Analysis of Platelet Dense Granules of Patients with Unexplained Bleeding: A New Entity of Delta-Microgranular Storage Pool Deficiency." Journal of Clinical Medicine 9, no. 6 (2020): 1734. http://dx.doi.org/10.3390/jcm9061734.

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One thousand and eighty patients, having prolonged bleeding times, frequent epistaxis, menorrhagia or easy bruising or other bleeding manifestations, and excluding those with von Willebrand’s disease, were evaluated for platelet dense granule deficiency. The mean diameter of platelet dense granules was determined for all patients using image analysis. Four hundred and ninety-nine had “classic” dense (delta) granule storage pool deficiency (δ-SPD). Five hundred and eighty-one individuals (53.8%) were found to have a normal mean number of dense granules, but for some of these patients, the dense

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Wei, Zhongqing, Haidong Shangguan, Jiajun Zhan, et al. "Water Quality-Based Double-Gates Control Strategy for Combined Sewer Overflows Pollution Control." Water 13, no. 4 (2021): 529. http://dx.doi.org/10.3390/w13040529.

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The combined sewer overflows (CSO) pollution has caused many serious environmental problems, which has aroused a worldwide concern. Traditional interception-storage measures, which exhibit the disadvantages of the larger storage tank volume and the low concentration, cannot efficiently control the CSO pollution. To solve this problem, a water quality-based double-gate control strategy based on the pollution based real-time control (PBRTC) rule was proposed, and the chemical oxygen demand (COD) concentration was taken as the control index. A case study was carried out in Fuzhou, China as an exa

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3

Beutler, E., and W. Kuhl. "Volume control of erythrocytes during storage. The role of mannitol." Transfusion 28, no. 4 (1988): 353–57. http://dx.doi.org/10.1046/j.1537-2995.1988.28488265266.x.

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4

Wuestling, M. D., S. A. Klein, and J. A. Duffie. "Promising Control Alternatives for Solar Water Heating Systems." Journal of Solar Energy Engineering 107, no. 3 (1985): 215–21. http://dx.doi.org/10.1115/1.3267681.

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Although the performance of solar domestic hot water (SDHW) systems has been well studied, there are several promising control alternatives that have not been thoroughly investigated. Reduced constant collector fluid flow rates, variable collector flow rates, and variable volume storage are several alternative strategies. This paper presents the results of an analytical study using the TRNSYS simulation program in which the thermal performance of SDHW systems utilizing alternative control strategies are compared while operating under realistic conditions in several different climates of the Un

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Liao, Wenjun, Guanghua Guan, and Xin Tian. "Exploring Explicit Delay Time for Volume Compensation in Feedforward Control of Canal Systems." Water 11, no. 5 (2019): 1080. http://dx.doi.org/10.3390/w11051080.

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In the open channel control algorithm, good feed-forward controllers will reduce the transition time of the canal and improve performance. Feedforward control algorithms based on active storage compensation are greatly affected by delay time. However, there is no literature comparing the three most commonly used algorithms, namely volume step compensation, dynamic wave principle and water balance models, under the operation mode of constant water level downstream. In order to compare the existing three algorithms, and to avoid storage calculation by calculating the constant non-uniform water s

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6

Broks, K., A. Geenen, F. Nelen, and P. Jacobsen. "The Potential of Real Time Control to reduce Combined Sewer Overflow." Hydrology Research 26, no. 3 (1995): 223–36. http://dx.doi.org/10.2166/nh.1995.0013.

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The potential of Real Time Control (RTC) to reduce the overflow volume from a combined sewer system has been investigated for a catchment in Copenhagen, named Strandvaenget. The results have been compared with the alternative of increasing the storage volume of the system. The RTC strategy has been derived using a mathematical optimization and a rule based method. As the only objective is to reduce the Combined Sewer Overflow (CSO), the developed rule based control algorithm can achieve almost the same results as the optimization method. From the results of time series calculations, it can be

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Huber, W. C., W. J. Wells, I. K. Besaw, and M. A. Leisenring. "Hydrologic regionalisation impacts on wet-weather control selection." Water Science and Technology 54, no. 6-7 (2006): 485–92. http://dx.doi.org/10.2166/wst.2006.604.

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Continuous simulation is performed using the US Environmental Protection Agency (USEPA) Storm Water Management Model (SWMM) to evaluate regional differences around the United States in hydrologic and water quality performance of wet-weather controls. Controls are characterised as being limited by peak inflow rate (i.e. any device with little or no storage, such as screens, filters and some proprietary devices) or by storage capacity (e.g. ponds, tanks). For flow-limited devices, results are presented in the form of percentage of annual runoff volume captured (passing through the device) for a

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Lund, P. D. "Performance Comparison of Storage Control Strategies in CSHPSS Systems." Journal of Solar Energy Engineering 109, no. 3 (1987): 185–91. http://dx.doi.org/10.1115/1.3268204.

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Comprehensive numerical computer simulations have been performed to investigate the effects of various storage control strategies on the thermal performance of a non-heat pump Central Solar Heating Plant with Seasonal Storage (CSHPSS) employing a constructed water volume. Different distribution temperatures, load, collector, and storage sizes were also considered in the analyses. The study indicates that the difference in the yearly solar fraction between a system with a simplified storage control strategy and an optimal, but technically more sophisticated one, would be of the order of 0.05–0.

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Oberascher, Martin, Wolfgang Rauch, and Robert Sitzenfrei. "Efficient integration of IoT-based micro storages to improve urban drainage performance through advanced control strategies." Water Science and Technology 83, no. 11 (2021): 2678–90. http://dx.doi.org/10.2166/wst.2021.159.

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Abstract The smart rain barrel (SRB) consists of a conventional RB with storage volumes between 200 and 500 L, which is extended by a remotely (and centrally) controllable discharge valve. The SRB is capable of releasing stormwater prior to precipitation events by using high-resolution weather forecasts to increase detention capacity. However, as shown in a previous work, a large-scale implementation combined with a simultaneous opening of discharge valves clearly reduced the effectiveness. The aim of this work was to systematically investigate different control strategies for wet weather by e

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10

Escandón-Panchana, Paulo, Fernando Morante-Carballo, Gricelda Herrera-Franco, Héctor Rodríguez, and Fausto Carvajal. "Fluid Level Measurement System in Oil Storage. Python, Lab-Based Scale." Mathematical Modelling of Engineering Problems 9, no. 3 (2022): 787–95. http://dx.doi.org/10.18280/mmep.090327.

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Refineries, fuel depots, airports and storage terminals commonly use fluid level measurement in storage tanks. Different fluid level measurement techniques and devices differ in the inaccuracy of measurement results, costs, and company needs. In addition, these measurements seek reliability of measurement data, immediate response times, control in operations, oil movement, custody transfer and inventory control. The objective is to develop a computer system for measuring fluid levels in oil storage tanks, using ultrasonic and temperature sensors, creating a web application for an automated mea

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11

Marchi, M. N. A., P. E. Luz, R. R. Martins, S. M. Simonelli, U. P. Pereira, and P. M. Pereira. "Quality control in the different stages of producing red blood cell concentrate from dogs." Arquivo Brasileiro de Medicina Veterinária e Zootecnia 71, no. 1 (2019): 93–101. http://dx.doi.org/10.1590/1678-4162-10142.

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ABSTRACT The objective of this study was to perform a quality control assessment of red blood cells after standardization of the blood production stages. For this purpose, separation of the blood components to obtain red blood cells, the storage of the blood packets and an evaluation of blood quality were performed. The mean (± SD) volume, globular volume, hemoglobin and hemolysis percentage of the red blood cell concentrate were 299.77±30.08mL, 60.87±2.60%, 20.57±0.93g/DL and 0.09±0.07%, respectively. The means (± SD) of the volume, globular volume, total hemoglobin percentage of hemolysis an

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Budea, Sanda, and Viorel Badescu. "Fluid Flow Control in Domestic Hot Water Systems During Days with Different Radiative Stability Levels." Annals of West University of Timisoara - Physics 60, no. 1 (2018): 88–96. http://dx.doi.org/10.2478/awutp-2018-0009.

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AbstractThis paper presents models/strategies for optimum performance of solar collector in closed loop systems. These models aim to maximize the obtained energy by thermal conversion of solar energy. The mass flow rate of the fluid from the primary circuit of the system is the control parameter. The semi empirical models and optimal control methods are in brief presented. The volume of the storage tank is important and the ratio Vs/Ac between this volume and area of the collectors is a key factor in appropriate sizing of the DHW system. Therefore, the paper establishes a relationship between

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Arnalis Renjani, Rengga, Hermantoro, Prima Okta Adi Nugraha, Kartika Purwandari, Teddy Suparyanto, and Bens Pardamean. "Smart IoT CPO Storage Tank." IOP Conference Series: Earth and Environmental Science 998, no. 1 (2022): 012045. http://dx.doi.org/10.1088/1755-1315/998/1/012045.

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Abstract Indonesia’s crude palm oil (CPO) production from year to year continues to increase, at the end of 2020 it reached 17.35 million tons, up 3.6% from the previous year. Increasing production will result in more CPO stock and require good storage. The storage process that occurs is to maintain the temperature of the CPO so that the quality is not damaged. This temperature regulation is still done manually and raises the risk of work accidents. The purpose of this research is to create a temperature control system and automatic volume measurement that can be monitored from a smartphone. T

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Lysetskyi, Yu M., and S. V. Kozachenko. "Software-defined data storage systems." Mathematical machines and systems 1 (2021): 17–23. http://dx.doi.org/10.34121/1028-9763-2021-1-17-23.

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Every year the amount of generated data grows exponentially which entails an increase in both the number and capacity of data storage systems. The highest capacity is required for data storage systems that are used to store backups and archives, file storages with shared access, testing and development environments, virtual machine storages, corporate or public web services. To solve such tasks, nowadays manufacturers offer three types of storage systems: block and file storages which have already become a standard used for implementing IT infrastructures, and software-defined storage systems.

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15

Pramudiya, Asrul, Suri pin, and Robert J. Kodoatie. "Water Storage for Controlling Surface Runoff in Upstream Watershed." Webology 19, no. 1 (2022): 5674–94. http://dx.doi.org/10.14704/web/v19i1/web19384.

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Flood disasters in Indonesia have shown an increase, both in magnitude and frequency. In fact, the area, depth, and duration of inundation tend to increase. Current flood control focuses on increasing river capacity: widening and/or deepening the cross-section of the river and controlling surface runoff by building storage upstream of the watershed. The storage requirement depends on the surface runoff rate in the upstream watershed. This study aimed to find the formulation of the most optimal watershed storage volume requirement through the correlation of flood discharge and surface runoff in

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Kovalchuk, P. I., V. V. Stetsenko, Н. A. Balykhina, V. P. Kovalchuk, and O. S. Demchuk. "Balance method of integrated control of mine water removal by the volumes and mineralization rate within the Ingulets river basin." Міжвідомчий тематичний науковий збірник "Меліорація і водне господарство", no. 1 (May 7, 2021): 23–32. http://dx.doi.org/10.31073/mivg202101-274.

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The balance method of determining the share of Kryvyi Rig Basin enterprises by the accumulated volume of mine water in the storage pond was considered. The balance method of participation of mining enterprises by the shares of mineral substances was formalized. An integrated approach of the control of water removal into the storage pond when using linear convolution of two balance equations by both the share of water volumes and the mineralization rate in the water discharges of enterprises was developed. It takes into account the choice of equity participation in mine water removal by economi

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Sacharczuk, Jacek, and Dawid Taler. "Theoretical modeling and experimental study of auxiliary concrete accumulator for solar heating systems." MATEC Web of Conferences 240 (2018): 02009. http://dx.doi.org/10.1051/matecconf/201824002009.

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This article presents the issue of the use of the control-volume finite-elements method (CVFEM) to solve transient heat conduction problem in the ceramic or concrete structure of heat storage system. The system can be used as auxiliary storage in solar based domestic hot water (DHW) and heating installations. The storage system consists of modular symmetric components forming parallel air channels. The modular design and symmetry of cross section enables to build a simple numerical model using a coarse mesh of finite volumes. It allows solving the problem using the simple algorithm. Analyzed m

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18

Anderson, Andrew R., Thomas G. Franti, and David P. Shelton. "Hydrologic Evaluation of Residential Rain Gardens Using a Stormwater Runoff Simulator." Transactions of the ASABE 61, no. 2 (2018): 495–508. http://dx.doi.org/10.13031/trans.12213.

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Abstract. Engineered bioretention cells with underdrains have shown water quality and hydrologic benefits for abating urban stormwater problems. Less is known about the hydrologic performance of residential rain gardens that rely on soil infiltration as the primary mechanism of volume control. Eleven residential rain gardens in Lincoln, Nebraska, were evaluated using a variable-rate stormwater runoff simulator. A volume-based water quality volume (WQV) design storm of 3.0 cm was applied to each rain garden as an SCS Type II runoff hydrograph until the system began overflowing to test the rain

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Bbosa, Denis, Thomas J. Brumm, Carl J. Bern, Kurt A. Rosentrater, and D. Raj Raman. "Effect of Blending Amaranth Grain with Maize Kernels on Maize Weevil Control during Storage." Transactions of the ASABE 63, no. 2 (2020): 401–6. http://dx.doi.org/10.13031/trans.13614.

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HighlightsMixing amaranth grain and maize is a promising pesticide-free method for controlling maize weevils in stored maize.A 1:1 mixture by volume of maize and amaranth reduced the number of live weevils by 66% after 160 d of storage as compared to maize stored without amaranth.A further reduction in live weevils could be achieved by completely covering all maize kernels with a layer of amaranth.Insect-infested maize-amaranth mixtures had reduced spoilage due to mold during storage as compared to insect-infested maize stored without amaranth.Abstract. Amaranth (Amaranthus spp.) is used as a

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20

Kim, Youngjin, and Mooyoung Han. "Rainwater storage tank as a remedy for a local urban flood control." Water Supply 8, no. 1 (2008): 31–36. http://dx.doi.org/10.2166/ws.2008.029.

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Surcharge runoff over the capacity of drainage pipes is one of main flood breaking factors in urban area. Change into larger pipes is costly and time consuming solution. Rainwater tanks can be a sustainable solution for the control of heavy runoff. The Rainfall-Storage-Drain(RSD) model is developed for the design of rainwater tanks of flood control. Design rainfall of Huff's distribution and runoff analysis on building rooftop makes inflow curves into the tanks. Through a water balance equation, tank volume versus peak flow curves can determine the minimum tank volume needed for controlled pea

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Anne, Kimani, Tadele Tefera, Olubayo Florence, and Kilalo Dora. "Effect of Sealing Method and Lighting Candle in Metal Silos on Survival of the Larger Grain Borer, Prostephanus Truncatus, in Stored Maize." Journal of Agricultural Science 10, no. 8 (2018): 90. http://dx.doi.org/10.5539/jas.v10n8p90.

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The aim of this study was to determine the effect of sealing methods, grain volume and lighting candle in metal silo for the control of Prostephanus truncatus in stored maize. Metal silos with 100 kilograms holding capacity were loaded with 90 kilograms of grain, in-let and out-let were covered with lids and sealed either with rubber band, grease, rubber band combined with grease and lid without sealing (control). The control suffered highest grain damage of 6.6% and weight loss of 1.9% compared to metal silo sealed using rubber band combined with grease which had grain damage 4.5% and weight

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Frate, Guido Francesco, Lorenzo Ferrari, Luca Giachetti, Giacomo Petretto, and Umberto Desideri. "Performance analysis of a Brayton Pumped Thermal Electricity Storage (PTES) with a liquid sensible heat storage." E3S Web of Conferences 238 (2021): 10007. http://dx.doi.org/10.1051/e3sconf/202123810007.

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A pervasive Renewable Energy Source (RES) exploitation poses a wide range of issues to electric grids, which the enhancement of the electric grid flexibility may mitigate. There are several approaches to improve grid flexibility, and a significant help will come from efficient, reliable, durable and cheap electric storage technologies. Inevitably, different storage technologies will be needed since different power and energy spectra characterise RES issues. In the category of high capacity-to-power ratio technologies, Pumped Thermal Electricity Storage (PTES) is becoming more and more popular.

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Nakai, Akihiro, Masayuki Mizumoto, and Akio Kagawa. "Bending and Rotation Movement Control of a Novel Actuator Utilizing Hydrogen Storage Alloys." Advanced Materials Research 156-157 (October 2010): 1170–75. http://dx.doi.org/10.4028/www.scientific.net/amr.156-157.1170.

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A power actuator based on a great volume expansion on hydrogenation of hydrogen storage alloys (HSAs) has been developed. The actuator has a bimorph structure consisting of Pd-Ni alloy and Cu-plating to convert the volume change into bending motion. The techniques to control the bending and rotation motions of the actuator were investigated by adjusting alloy composition, shape and the amount of hydrogen absorbed in the HSA. It is found that Pd-Ni alloy actuators exhibit a cyclic bending motion on hydrogen absorption and desorption cycles and the bending behavior can be controlled by controlli

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Dewi Nisa, Dewi Rashati, Mikhania C. E,. "PENGARUH VARIASI SUHU PENYIMPANAN TERHADAP STABILITAS FISIK SUSPENSI AMOXICILLIN." JURNAL ILMIAH FARMASI AKADEMI FARMASI JEMBER 2, no. 2 (2021): 27–32. http://dx.doi.org/10.53864/jifakfar.v2i2.25.

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This study aims to investigate effect of variation storage temperature on the physical stability of amoxicillin suspension. The physical stability of the amoxicillin suspension included organoleptic, pH, viscosity and volumes of flocculation and deflocculation sedimentation. The research method used true experimental design method with pre-test and post-test control group design. The sample used amoxicillin suspension with temperature storage variation were cold temperature, room temperature and warm temperature. The results of research data on physical stability of organoleptic were processed

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Martin, Holger, and Kurt Alfred Ruppert. "Critical storage volume of self-reacting products." Journal of Loss Prevention in the Process Industries 6, no. 5 (1993): 303–6. http://dx.doi.org/10.1016/s0950-4230(05)80003-8.

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Shen, Dawei, Dongxing Pei, and Tiehua Ma. "Design and Simulation of Multichannel Dynamic Measurement Control System." Mathematical Problems in Engineering 2022 (September 30, 2022): 1–8. http://dx.doi.org/10.1155/2022/4928069.

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The circuit system designed in this paper uses FPGA and single-chip microcomputer as the main chips. It uses VHDL language programming and performs functional simulation and verification of the core control program through ModelSim software, and finally, a storage-type dynamic measurement and control system with one-to-multiple channels, adjustable trigger modes, and optional sampling frequency is realized. At the same time, the system is further optimized in terms of power consumption and volume. The storage measurement and control system can successfully record eight-channel dynamic voltage

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Hartmann, Peter E., Robyn A. Owens, David B. Cox, and Jacqueline C. Kent. "Breast Development and Control of Milk Synthesis." Food and Nutrition Bulletin 17, no. 4 (1996): 1–12. http://dx.doi.org/10.1177/156482659601700404.

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We have developed a computerized breast measurement system that can quantitate both long-term (lactation cycle) and short-term (between breastfeedings) changes in breast volume. The increase in breast volume during pregnancy was not related to milk production at one month of lactation, whereas milk production from one to six months of lactation remained constant and was not controlled directly by the suckling-evoked secretion of prolactin. From the measurement of circadian changes in breast volume, it was concluded that infants rarely emptied the breasts at a single breastfeeding and that shor

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Tkachev, V. V., and S. M. Protsenko. "MANAGEMENT OF TRAFFIC FLOW ON A CONVEYOR TRANSPORT." Science and Transport Progress, no. 25 (December 25, 2008): 178–84. http://dx.doi.org/10.15802/stp2008/14458.

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The analysis of control capability of the freight traffic volumes in coal mines, which use storage bunkers for averaging a flow from the mining sections, is carried out on the basis of imitation model of conveyor network with the use of predistribution of conveyor space, on the base of equipment SAUKL for the purpose of stabilizing the freight traffic volume and avoiding the losses during transportation.

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Grema, L. U., A. B. Abubakar, and O. O. Obiukwu. "Carbon Emission Control Measures." International Letters of Natural Sciences 3 (October 2013): 21–27. http://dx.doi.org/10.18052/www.scipress.com/ilns.3.21.

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This paper seeks to share the experience of the Ultra Low CO2 Steelmaking programme (ULCOS) established in 2002 by a number of EU members on how to cut down CO2 emission by at least 50 % of the present volume of emission. Global environmental challenge today is the issue of climate change resulting in devastating effects such as flooding in many countries of the world. One of the major causes is the CO2 emission from different industries including iron and steel industries. The total global CO2 emission was put at 29Gt in 2007 and projected to be 37Gt by the 2020. Out of this volume the steel

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Grema, L. U., A. B. Abubakar, and O. O. Obiukwu. "Carbon Emission Control Measures." International Letters of Natural Sciences 3 (October 27, 2013): 21–27. http://dx.doi.org/10.56431/p-j4k057.

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This paper seeks to share the experience of the Ultra Low CO2 Steelmaking programme (ULCOS) established in 2002 by a number of EU members on how to cut down CO2 emission by at least 50 % of the present volume of emission. Global environmental challenge today is the issue of climate change resulting in devastating effects such as flooding in many countries of the world. One of the major causes is the CO2 emission from different industries including iron and steel industries. The total global CO2 emission was put at 29Gt in 2007 and projected to be 37Gt by the 2020. Out of this volume the steel

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Whalley, R., and A. Abdul-Ameer. "Gas pipeline modelling and control." Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science 229, no. 18 (2015): 3320–40. http://dx.doi.org/10.1177/0954406215570698.

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The distributed parameter modelling of the gas flow through long pipelines is considered. Procedures which incorporate the gas stream energy storage, the pipeline frictional resistance and pressure attenuation characteristics are introduced. The pipeline input–output, transfer function, pressure and volume flow representations are formulated. An optimum, least effort, closed loop regulation strategy is proposed. Frequency response techniques are invoked enabling the derivation of simple, robust control algorithms. Confirmation of the results obtained, from the transient response computation of

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Starikov, Timofey V., Kirill Y. Sopin, Sergey A. Dichenko, and Dmitriy V. Samoylenko. "DATA INTEGRITY CONTROL MODEL BASED ON REED-SOLOMON CODE CONSTRUCTION RULES." Автоматизация процессов управления 1, no. 67 (2022): 98–105. http://dx.doi.org/10.35752/1991-2927-2022-1-67-98-105.

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The article deals with the Automated Systems (AS) operating under the destructive influences of an attacker and disturbances of the operating environment with a continuous increase in the amount of information accumulated in data storage systems (DSS) used in their interests. When compensating for the effects of an attacker and disturbances in the operating environment, the use of storage is complicated by the increased control information which entered for protection. At the same time, the amount of introduced redundancy is increasing in direct proportion to the increasing volume of informati

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Lei, De Bao, Zhong Hua Tang, and Kai Zhao. "The Central Air-Conditioning Energy-Saving Control Technology." Advanced Materials Research 250-253 (May 2011): 2695–99. http://dx.doi.org/10.4028/www.scientific.net/amr.250-253.2695.

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With the application of the central air conditioning system widely, it has increased fast the consumption of national energy. This paper analyzes how to control a central air-conditioning system for energy saving, mainly including control characteristics , automatic control component and the control approaches of energy saving. Energy-saving approaches consist of indoor state parameter selection control, variable-speed pump control，variable air volume system control, Storage cold control and control Optimization.

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Saul, A. J., and D. R. Ellis. "Sediment Deposition in Storage Tanks." Water Science and Technology 25, no. 8 (1992): 189–98. http://dx.doi.org/10.2166/wst.1992.0193.

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The use of storage tanks in sewerage systems has increased in recent years. The primary functions of such tanks are to attenuate flow and to retain pollutants within the sewer system. The size of the required storage volume is dependent on the purpose for which the tank is to be used but the end product of any design analysis is the definition of fixed volume of storage which has to be included as part of the sewerage system. The main problem is to provide storage and effective separation of gross and suspended solids without incurring poor self cleansing and associated high maintenance costs.

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Gong, Yongwei, Ye Chen, Lei Yu, et al. "Effectiveness Analysis of Systematic Combined Sewer Overflow Control Schemes in the Sponge City Pilot Area of Beijing." International Journal of Environmental Research and Public Health 16, no. 9 (2019): 1503. http://dx.doi.org/10.3390/ijerph16091503.

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Combined sewer overflow (CSO) pollution poses a serious threat to the urban water environment and is more severe in old urban areas. This research uses the old urban area in the sponge city pilot area in Tongzhou District, Beijing, as the study area. The United States Environmental Protection Agency (USEPA) storm water management model (SWMM) was used to establish the hydrologic and hydraulic model of this area. The model parameters were calibrated and validated based on the measured rainfall and runoff data. The results show that the Nash-Sutcliffe efficiency coefficient for calibration and v

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Karwacki, Jarosław, and Roman Kwidziński. "Experimental investigation of PCM thermal energy storage charge and discharge process with aperiodic (ramp) temperature inputs." E3S Web of Conferences 70 (2018): 03005. http://dx.doi.org/10.1051/e3sconf/20187003005.

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In recent years, the use of storages filled with phase-change material (PCM) is increasingly considered. Such design is characterized by a higher density of thermal energy accumulation in comparison with water storages. However, the optimal use of the PCM storages requires a recognition of its dynamic characteristics during the loading and unloading process. This paper presents research aimed at understanding and dynamic description of the heat transfer process in a shell-and-tube thermal energy storage. The experimental test stand and the measurement and control system are described. The inve

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Aliyeva, O. A. "Specification of main technical parameters of reserves accumulated in the underground gas storages develo- ped in the oil fields with gas caps." Azerbaijan Oil Industry, no. 06 (June 15, 2022): 41–45. http://dx.doi.org/10.37474/0365-8554/2022-6-7-41-45.

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The optimum variant is selected from two reviewed options for the development of gas storage of peak type, which is differed with storing capacity and daily tools of gas intake. Based on the data, the average values of coefficients of filtration resistance for a gas well were calculated. The parameters of the gas storages were revealed by means of the calculations, due to which the rules of control and field regulation specified as well. In accordance with the results provided and further increase of gas saturated volume, the capacity of produced oil in the presence of gas repression in the ga

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Yi, Tong, Chun Jin, Lulu Gao, Jichao Hong, and Yanbo Liu. "Nested Optimization of Oil-Circulating Hydro-Pneumatic Energy Storage System for Hybrid Mining Trucks." Machines 10, no. 1 (2021): 22. http://dx.doi.org/10.3390/machines10010022.

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In order to recover and utilize the potential energy of mining trucks efficiently, this paper proposes a nested optimization method of a novel energy storage system. By analyzing the multi-objective optimization problem of the oil-circulating hydro-pneumatic energy storage system, a nested optimization method based on the advanced adaptive Metamodel-based global optimization algorithm is carried out. Research shows that this method only requires a short time to solve the complex nonlinear hybrid optimization problem and achieves better results. The optimized energy storage system has higher sy

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Phoummixay, S., Biswadip Basu Mallik, T. Khampasith, et al. "The Assessment of Carbon Dioxide (CO₂) Adsorption and Spatial Biomass Distribution Mapping in the Reservoir of Hinboun Hydropower Project." Journal of Mathematical Sciences & Computational Mathematics 3, no. 1 (2021): 127–33. http://dx.doi.org/10.15864/jmscm.3110.

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Geographical Information System (GIS) is an excellent tool to be employed with computer control system and play very significant role for database management, storing, capture, mapping and data analysis which includes vector and raster data. This study is mainly to focus on: (i) to study on the tree volumes, carbon storages and analyze the adsorption of carbon dioxide (CO2), (ii) to estimate the existing biomass within the reservoir and (iii) to create the spatial biomass distribution maps. Consequently, the distribution maps are described and indicated in low to high biomass density within th

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Skiepko, Teodor. "On the Reynolds transport theorem for three phase systems with storage in interfaces." Archives of Thermodynamics 32, no. 1 (2011): 21–44. http://dx.doi.org/10.2478/v10173-011-0002-8.

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On the Reynolds transport theorem for three phase systems with storage in interfacesIn the paper, the Reynolds transport theorem (RTT) for three phase systems is developed, in terms associated with a moving control volume. The basic tools applied to the derivation are the generalized transport theorem by Truesdell and Toupin, and generalized surface transport theorem by Aris as well as Slattery. The final results referenced to a generic extensive quantity demonstrate the theorem in the integral instantaneous form. As a further illustration of applicability of the theorem relation developed som

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Huang, Rong Zhen. "Dynamic Change of Water Storage under Anti-Drought Measures on Red Soil Slope Farmland." Applied Mechanics and Materials 212-213 (October 2012): 564–68. http://dx.doi.org/10.4028/www.scientific.net/amm.212-213.564.

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Seasonal drought and soil erosion happened alternately on red soil slope farmland, which severely restricted its full productivity. This project took down-slope tillage as a control and different soil reservoir construction measures’ slopes as subjects, studying their soil reservoir storage function and dynamic change of water storage, in order to study the mechanism of water-retaining and regulating capability in different soil reservoir construction measures’ slopes. The results show that the max. and min. volume of water storage in pits Ⅰ, pits Ⅱ, pin hole Ⅰand pin hole Ⅱare 19.67%, 32.14%,

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Urishev, Bоboraim, Rumiya Beytullayeva, Аsror Umirov, and Оybek Almardonov. "Hydraulic energy storage of wind power plants." E3S Web of Conferences 264 (2021): 04053. http://dx.doi.org/10.1051/e3sconf/202126404053.

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The article discusses information on the need to accumulate energy from renewable sources to improve their efficiency, as well as some examples of the integration of systems for hydraulic energy storage and renewable sources, which ensure an increase in the reliability and volume of energy generation. The method for determining the parameters of a wind power plant's hydraulic energy storage system, which is based on the balance of the daily load produced and spent on energy storage, is presented. With changing daily loads, this technique makes it possible to determine the main parameters of th

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Urishev, B., F. Nosirov, and N. Ruzikulova. "Hydraulic energy storage of wind power plants." E3S Web of Conferences 383 (2023): 04052. http://dx.doi.org/10.1051/e3sconf/202338304052.

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The article discusses information on the need to accumulate energy from renewable sources to improve their efficiency, as well as some examples of the integration of systems for hydraulic energy storage and renewable sources, which ensure an increase in the reliability and volume of energy generation. The method for determining the parameters of the hydraulic energy storage system of a wind power plant, which is based on the balance of the daily load produced and spent on energy storage, is presented. This technique, with changing daily loads, makes it possible to determine the main parameters

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Botoș, Marius Lucian, and Zsombor Kisfaludi-Bak. "Steady/Unsteady Flow Through Small Earthfill Dams." Műszaki Tudományos Közlemények 8, no. 1 (2018): 39–44. http://dx.doi.org/10.33894/mtk-2018.08.04.

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Abstract Small earthfill dams, without permanent water storage, are simple operation constructions without any outlet operation or control systems, and which provide water storage in flood wave periods. From the seepage point of view, these simple constructions have a specific complex behavior. Even if generally the body of the dam can be considered to be homogeneous, infiltration through partially saturated materials is unsteady. The water level rapidly increases from the minimum to the maximum level as the water storage volume is relatively low.

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Pisano, William C., and Hans Brombach. "Operational Experience with Vortex Solids Separators for Combined Sewer Overflow (CSO) Control." Water Science and Technology 29, no. 1-2 (1994): 383–91. http://dx.doi.org/10.2166/wst.1994.0686.

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The first vortex solids separator facility in Germany for CSO control was installed in 1987. Solids separation efficiency was optimized in the hydraulic laboratory using scaled down models and artificial tracers to simulate typical sewage particulates. The facility comprises two parallel operating vortex separators servicing an impervious area of 11 ha with a population of 1,500 people. The specific storage of the facility including the separator volume and in-line pipe storage is 7.2 m3/ha, about 1/4 - 1/2 of that required per German standards. A multi-year evaluation program was conducted. T

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Chatli, Manish Kumar, Surabhi Kaura, Mohan Jairath, Nitin Mehta, Pavan Kumar, and Jhari Sahoo. "Storage stability of raw chevon chunks packaged in composite, bioactive films at refrigeration temperature." Animal Production Science 54, no. 9 (2014): 1328. http://dx.doi.org/10.1071/an14346.

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Storage stability of raw chevon (goat meat) chunks wrapped in preformed, bioactive, biodegradable films based on composite starch–chitosan and impregnated with nisin (60 000 IU/g; T-1) and cinnamaldehyde (0.5% v/v; T-2) was evaluated relative to unwrapped product (control) under aerobic refrigeration (4°C ± 1°C) conditions for 10 days. Samples were taken on Days 1, 4, 7 and 10 to assess various physicochemical, microbiological and sensory quality parameters. Water activity and pH of raw chevon chunks followed a decreasing trend during storage under all packaging conditions; the rate of decreas

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Jing, Jiayue, Zhiming Zhang, and Junqi Li. "Study on Location Decision of Multi-Functional Rainwater Storage Space in High-Density Built-Up Area." Water 14, no. 21 (2022): 3460. http://dx.doi.org/10.3390/w14213460.

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Multi-functional rainwater storage space is a practical solution to flood and runoff pollution in high-density built-up areas. This study presents a location decision method to improve the control effect of total runoff volume, runoff peak flow, and runoff pollution. The results show that this method can accurately and quickly screen available locations for multi-functional rainwater storage space and prioritize them as optimum, suitable, less suitable, unsuitable, and not available for construction. In the case of this study, greening the road can achieve a better effect on runoff control.

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Niu, Siping, Kisoo Park, Jing Cheng, and Youngchul Kim. "An investigation into the relationship between water quality volume (design storage volume) and stormwater wetland performance." Water Science and Technology 73, no. 6 (2015): 1483–91. http://dx.doi.org/10.2166/wst.2015.621.

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An investigation on free water surface wetland, which has an area of 0.23 ha and is employed to control the non-point source pollution from a watershed of 7.4 ha, was carried out to examine how the WQvr (the ratio of stormwater inflow volume to water quality volume (WQv)) affects the wetland treatment performance. As stormwater went through the wetland, TSS (total suspended solids), TCOD (total chemical oxygen demand), TN (total nitrogen) and TP (total phosphorus) were reduced by 85%, 57%, 6% and 68%, on average, respectively. Increase in the WQvr resulted in a decrease in the reduction effici

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Kyrpa, М. Ya. "State and development of grain storage engineering and technologies in Ukraine." Scientific Journal Grain Crops 6, no. 2 (2023): 69–76. http://dx.doi.org/10.31867/2523-4544/0234.

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Topicality. These researches are due to the grain storage problem, the features of maize grain storage in metal silos under the various environmental factors, as well as more efficient using the material and technical facilities, including the grain storages of new generation. Purpose. To establish the types of grain storage facilities that are most appropriate for storing the yield of different crops, to improve metal silos and maize grain storage technologies. Materials and Methods. During experiments on maize grain storage, we used the metal silo equipped with a system of sensors to measure

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Acharya, S., B. R. Baliga, K. Karki, J. Y. Murthy, C. Prakash, and S. P. Vanka. "Pressure-Based Finite-Volume Methods in Computational Fluid Dynamics." Journal of Heat Transfer 129, no. 4 (2007): 407–24. http://dx.doi.org/10.1115/1.2716419.

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Pressure-based finite-volume techniques have emerged as the methods of choice for a wide variety of industrial applications involving incompressible fluid flow. In this paper, we trace the evolution of this class of solution techniques. We review the basics of the finite-volume method, and trace its extension to unstructured meshes through the use of cell-based and control-volume finite-element schemes. A critical component of the solution of incompressible flows is the issue of pressure-velocity storage and coupling. The development of staggered-mesh schemes and segregated solution techniques

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