Relevant bibliographies by topics / Stretch speed / Dissertations / Theses
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Dissertations / Theses on the topic 'Stretch speed'

Author: Grafiati
Published: 14 November 2023

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1

Kochar, Yash N. "Laminar flame speed and stretch sensitivity of hydrocarbon fuels at high preheat, pressure and vitiation." Diss., Georgia Institute of Technology, 2014. http://hdl.handle.net/1853/52216.

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This thesis investigates the laminar flame speed of C₁-C₃ alkanes and their binary mixtures at conditions of interest in natural gas based gas turbines viz. high temperature, pressure and dilution. Laminar flame speed has been found useful not only for validating chemical kinetics mechanisms but also for developing empirical scaling laws for practical combustion systems. The thesis addresses the lack of laminar flame speed data of C₁-C₃ alkanes at preheat (300-650 K), pressure (1-10 atm) and significant oxidizer dilution (15-21 vol% O₂). Over 400 measurements are reported over a wide range of
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2

Senn, Daniel LeRoy. "Short-term Training Effects of Dynamic Warm Up Volume on Speed, Power, and Agility." Thesis, North Dakota State University, 2011. https://hdl.handle.net/10365/29320.

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This study examined the short-term training effects of two volumes of a dynamic warm up performed 4 days per week over a 3 1/2-week period. A total of 25 Division III wrestlers volunteered for the study. Three participants either dropped out or were unable to attend post-testing, resulting in 22 total participants completing the study. Groups were divided into control, low volume, and high volume groups. All participants completed pre and poststudy performance tests including the standing long jump, proagility, start-stop-cut, and 30- meter sprint. The low and high volume training groups
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3

Hinton, Nathan Ian David. "Measuring laminar burning velocities using constant volume combustion vessel techniques." Thesis, University of Oxford, 2014. http://ora.ox.ac.uk/objects/uuid:5b641b04-8040-4d49-a7e8-aae0b0ffc8b5.

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The laminar burning velocity is an important fundamental property of a fuel-air mixture at given conditions of temperature and pressure. Knowledge of burning velocities is required as an input for combustion models, including engine simulations, and the validation of chemical kinetic mechanisms. It is also important to understand the effect of stretch upon laminar flames, to correct for stretch and determine true (unstretched) laminar burning velocities, but also for modelling combustion where stretch rates are high, such as turbulent combustion models. A constant volume combustion vessel has
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4

Marshall, Andrew. "Turbulent flame propagation characteristics of high hydrogen content fuels." Diss., Georgia Institute of Technology, 2015. http://hdl.handle.net/1853/53859.

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Increasingly stringent pollution and emission controls have caused a rise in the use of combustors operating under lean, premixed conditions. Operating lean (excess air) lowers the level of nitrous oxides (NOx) emitted to the environment. In addition, concerns over climate change due to increased carbon dioxide (CO2) emissions and the need for energy independence in the United States have spurred interest in developing combustors capable of operating with a wide range of fuel compositions. One method to decrease the carbon footprint of modern combustors is the use of high hydrogen content (HHC
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5

Das, Suma Rani. "Investigation of Design and Operating Parameters in Partially-Filled Rubber Mixing Simulations." University of Akron / OhioLINK, 2016. http://rave.ohiolink.edu/etdc/view?acc_num=akron1479151141596147.

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6

Kabeš, Luboš. "Dopravní charakteristiky v uspořádání 2+1." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2015. http://www.nusl.cz/ntk/nusl-227840.

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The thesis discusses the roads in lanes 2 + 1 arrangement in the country and abroad. It focuses primarily analogy of this type of arrangement in our situation, ie on stretches of roads I. classes with an increased number of lanes for slow vehicles to climb. Part of this work is to verify some of the traffic, including traffic flow characteristics compared to conventional two-lane roads, especially in terms of: sectional speed; overtaking; Accident and dependence longitudinal gradient. The work aims to evaluate the foreign experience and achievements of domestic communications options for appli
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7

Urs, Raksha. "Investigation of Accommodation and Presbyopia using Ultrasound Imaging during Ex Vivo Simulated Accommodation." Scholarly Repository, 2010. http://scholarlyrepository.miami.edu/oa_dissertations/360.

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The goal of this project is to obtain quantitative images of the lens and the ciliary body to validate EVAS-II (Second generation Ex Vivo Accommodation Simulator). To accomplish this goal it was necessary to develop methods, instrumentation and image processing techniques to acquire 3D images in EVAS-II, using UBM (Ultrasound Bio Microscope), and to apply these techniques to non-human primate eyes. The lens studies included measurement of speed of sound in the lens to reconstruct accurate images of the lens, development of instrumentation to measure the un-distorted lens shape and development
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8

Camara, Felipe Thomaz da [UNESP]. "Biodiesel de dendê em trator agrícola: desempenho em função do tempo de armazenamento e da proporção de mistura na operação de preparo do solo." Universidade Estadual Paulista (UNESP), 2009. http://hdl.handle.net/11449/100856.

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Made available in DSpace on 2014-06-11T19:31:02Z (GMT). No. of bitstreams: 0 Previous issue date: 2009-09-25Bitstream added on 2014-06-13T20:21:42Z : No. of bitstreams: 1 camara_ft_dr_jabo.pdf: 548163 bytes, checksum: a7f77b0a81b4b0e6e9ac1c242bc53422 (MD5)<br>Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)<br>Funep<br>Biodiesel is a renewable fuel, biodegradable and produced from vegetable oil or from animal fat through transesterification. The viability of this product as a source of alternative energy depends on various factors, among which the mixture proportion and th
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9

Camara, Felipe Thomaz da. "Biodiesel de dendê em trator agrícola: desempenho em função do tempo de armazenamento e da proporção de mistura na operação de preparo do solo /." Jaboticabal : [s.n.], 2009. http://hdl.handle.net/11449/100856.

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Orientador: Afonso Lopes<br>Banca: Wilson José Oliveira de Souza<br>Banca: Carlos Alberto Alves de Oliveira<br>Banca: Newton La Scala Junior<br>Banca: Carlos Eduardo Angeli Furlani<br>Resumo:Biodiesel é um combustível renovável, biodegradável e produzido a partir de óleo vegetal ou de gordura animal por meio de transesterificação. A viabilidade desse produto como fonte alternativa de energia depende de vários fatores, entre os quais se destacam a proporção de mistura e a estabilidade durante o período de armazenamento, uma vez que a disponibilidade de matéria-prima é sazonal e varia de acordo
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10

Hallgren, Adam. "Det avlastande bärsystemets påverkan på att bära en sjukbår : en studie baserad på prov och försök." Thesis, Försvarshögskolan, 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:fhs:diva-9881.

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For a wounded soldier to have as good a chance of survival as possible, an important variable during care is the time it takes for the wounded to get to a high-quality medical facility where there is expertise in surgery. If the injured person is to be transported with a stretcher carried by other soldiers, the speed for which this can be done is limited by the strength of the bearer in the hands and forearms.This study aims to explore how the speed and perceived ergonomics of those who carry a stretcher can change for a group if it is issued a relieving carrying system that redistributes the
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11

Bariki, Chaimae. "Interaction entre une flamme de prémélange et une structure tourbillonnaire." Thesis, Orléans, 2018. http://www.theses.fr/2018ORLE2067.

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Comprendre et prédire les différents mécanismes en jeu dans les flammes prémélangées turbulentes est un enjeu crucial pour le dimensionnement ou l’optimisation de nombreux systèmes de combustion. Les écoulements réactifs turbulents se caractérisent par une interaction complexe entre les mouvements hydrodynamiques, le dégagement de chaleur produit par la flamme et la turbulence. Ce défi étant extrêmement difficile à relever, l’étude préalable des interactions entre une flamme plane et une structure tourbillonnaire fournit un cadre canonique idéal pour mieux appréhender et comprendre les mécanis
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12

Chang, Chung-Chien, and 張中千. "Stretch Measurements of Turbulent Premixed Methane/Air Flames Using High-speed PIV." Thesis, 2004. http://ndltd.ncl.edu.tw/handle/81619478658634718494.

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碩士<br>國立中央大學<br>機械工程研究所<br>92<br>This thesis investigates experimentally the effect of unsteady stretch on laminar premixed flames interacting with turbulent flows. Using a turbulent wake burner and a large cruciform burner, a von Kármán turbulent wake and near-isotropic turbulent flows can be generated, respectively. We applied high-speed particle image velocimetry (PIV) and the laser tomography to quantitatively measure the corresponding strain rate, curvature, stretch rate, and dilatation rate along the interacting flame front with turbulent wake and near-isotropic turbulence. Experiments i
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13

Hu, Ya-Jia, and 胡育嘉. "Designs for Increasing Speed and Energy Saving in Metal Stretch Net Process." Thesis, 2013. http://ndltd.ncl.edu.tw/handle/57335067092576136803.

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碩士<br>崑山科技大學<br>機械工程研究所<br>101<br>Metal stretch net, featured by its diamond shape pores, is a product meeting the increasing ecological concerns. Metal stretch net is attracting more applications that require lightweight, good shielding, high transparency, and good ventilation. Stretch metal net is made from one piece of metal and exhibits high structure integrity. Due to the increasing awareness of energy consumption, lightweight design and energy saving in manufacturing become important research issues. Fine mesh metal net is especially gaining high acceptance, and in order to increase its
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14

Lin, C. W., and 林俊旺. "Comparison of Pendulum and Constant-Speed Stretch Methods on Elbow for Quantification of Spasticity of Stroke Patients." Thesis, 2000. http://ndltd.ncl.edu.tw/handle/25396102282386147791.

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碩士<br>國立成功大學<br>機械工程學系<br>88<br>Pendulum test is a common clinical technique for assessing spasticity on knee joints of stroke patients, but it has not been applied on elbow joints. The goal of this study is to design a simple instrument for performing pendulum tests on upper limbs. Based on biomechanical models of elbow, one can obtain the physiological parameters of the models by using a constrained optimization method (sequential quadratic programming) and the models are validated by using a sophisticated spasticity measurement system developed in previous researches. We hope that the simpl
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15

De, Vries Jaap. "A STUDY ON SPHERICAL EXPANDING FLAME SPEEDS OF METHANE, ETHANE, AND METHANE/ETHANE MIXTURES AT ELEVATED PRESSURES." 2009. http://hdl.handle.net/1969.1/ETD-TAMU-2009-05-601.

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High-pressure experiments and chemical kinetics modeling were performed for laminar spherically expanding flames for methane/air, ethane/air, methane/ethane/air and propane/air mixtures at pressures between 1 and 10 atm and equivalence ratios ranging from 0.7 to 1.3. All experiments were performed in a new flame speed facility capable of withstanding initial pressures up to 15 atm. The facility consists of a cylindrical pressure vessel rated up to 2200 psi. Vacuums down to 30 mTorr were produced before each experiment, and mixtures were created using the partial pressure method. Ignition was o
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16

Ye, Ding-Xiu, and 葉定修. "Chip Implementation of High Speed Low Voltage Limiting-Filtering Amplifier and Received Singal Strengh Indicator Circuits." Thesis, 1997. http://ndltd.ncl.edu.tw/handle/76543745024769274530.

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碩士<br>淡江大學<br>電機工程學系<br>85<br>The low voltage IF (intermediate-frequency) limiting amplifier and received signal strenght indicator (RSSI) are widely used the FM modulation in communication systems. The main functions are amplification and limitation signal and measuring received signal strength. There are several IC's products realizing limiting amplifier and RSSI in bipolar technologies. Here we want to implement the low voltage IF limiting amplifier and received signal strength with CMOS technology. The differential amplifier and full wave rectifier circuit were adopted in this circuit.
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