Academic literature on the topic 'Volume fraction of water vapor'
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Journal articles on the topic "Volume fraction of water vapor"
Grabarczyk, Marcin, Mateusz Żbikowski, Łukasz Mężyk, and Andrzej Teodorczyk. "Temperature effect on explosion parameters of hydrogen-air deflagrations in presence of water vapor." Challenges of Modern Technology 7, no. 3 (September 29, 2016): 39–44. http://dx.doi.org/10.5604/01.3001.0009.5449.
Full textSU, Yongqiang, Jinfa SHI, and Yahui WANG. "Numerical Simulation of Cavitation of Water Jet Nozzle Based on Realizable k-ε Model." Mechanics 28, no. 1 (February 17, 2022): 12–18. http://dx.doi.org/10.5755/j02.mech.28583.
Full textHu, Xiao, and Ye Gao. "Investigation of the Disk Cavitator Cavitating Flow Characteristics under Relatively High Cavitation Number." Applied Mechanics and Materials 29-32 (August 2010): 2555–62. http://dx.doi.org/10.4028/www.scientific.net/amm.29-32.2555.
Full textGreco, Antonio, C. Esposito Corcione, and Alfonso Maffezzoli. "Water Vapor Permeability of Clay Nanocomposites Based on Amorphous PET." Defect and Diffusion Forum 297-301 (April 2010): 422–26. http://dx.doi.org/10.4028/www.scientific.net/ddf.297-301.422.
Full textNielsen, O. F., M. Bilde, and M. Frosch. "Water Activity." Spectroscopy: An International Journal 27 (2012): 565–69. http://dx.doi.org/10.1155/2012/414635.
Full textHan, Xiangdong, Yong Kang, Deng Li, and Weiguo Zhao. "Effects of surface roughness on self-excited cavitating water jet intensity in the organ-pipe nozzle: Numerical simulations and experimental results." Modern Physics Letters B 33, no. 27 (September 30, 2019): 1950324. http://dx.doi.org/10.1142/s021798491950324x.
Full textTang, Pan, Juan Manzano Juárez, and Hong Li. "Investigation on the Effect of Structural Parameters on Cavitation Characteristics for the Venturi Tube Using the CFD Method." Water 11, no. 10 (October 22, 2019): 2194. http://dx.doi.org/10.3390/w11102194.
Full textWarren, B. A., and J. F. Klausner. "Developing Lengths in Horizontal Two-Phase Bubbly Flow." Journal of Fluids Engineering 117, no. 3 (September 1, 1995): 512–18. http://dx.doi.org/10.1115/1.2817292.
Full textDhar, BK, SK Mahapatra, SK Maharana, A. Sarkar, and SS Sahoo. "Numerical study on phase change of water flowing across two heated rotating circular cylinders in tandem arrangement." Journal of Computational Multiphase Flows 8, no. 4 (October 24, 2016): 201–12. http://dx.doi.org/10.1177/1757482x16674218.
Full textYousef, Khaled, Ahmed Hegazy, and Abraham Engeda. "Experimental and CFD Investigation into Using Inverted U-Tube for Gas Entrainment." Applied Sciences 10, no. 24 (December 18, 2020): 9056. http://dx.doi.org/10.3390/app10249056.
Full textDissertations / Theses on the topic "Volume fraction of water vapor"
Рачинський, Артур Юрійович. "Гідродинаміка і тепломасообмін в контактному утилізаторі теплоти газокрапельного типу." Thesis, КПІ ім. Ігоря Сікорського, 2017. https://ela.kpi.ua/handle/123456789/19313.
Full textDissertation is devoted to experimental research, aimed at improving the efficiency of contact heat and mass transfer units by increasing the interfacial surface of heat and mass transfer during the liquid spraying by centrifugal nozzles, implementation of which results in significant savings of material and energy resources. Comprehensive experimental study of the characteristics of the liquid spraying torch (irrigation density, expansion angle of nozzle torch, the average volume-surface diameter of liquid droplets) was done. The influence of input parameters to the relevant properties was shown and surface area of the sprayed liquid droplets was defined. The limit temperature of water heating and its dependence on initial vapor content in which water is heated to the limit temperature depending on the initial vapor content and dry air output were experimentally set. The parametric borders of effective use of centrifugal mechanical nozzle without evaporation of heated liquid drops were defined. Intensity of heat and mass transfer in the contact gas-droplet unit with centrifugal nozzle in terms of heat utilization of energy units’ exhaust gases was experimentally researched. The empirical dependences for calculating the average heat transfer and mass transfer coefficients relating to the actual surface of the sprayed liquid droplets are obtained for the first time. The peculiarities of transfer processes in the gas-droplet system were determined and generalized dependence for heat and mass transfer were received. Based on experimental studies of spraying characteristics and heat and mass transfer processes at vapor condensation from vapor-gas mixture on the sprayed liquid droplets, the method of calculating the droplet contact utilization unit was developed.
Диссертация посвящена исследованиям, направленным на повышение эффективности работы контактных аппаратов путем увеличения межфазной поверхности теплообмена путем распыления жидкости, внедрение которых приводит к существенной экономии материальных и энергетических ресурсов. Работа содержит результаты экспериментальных исследований характеристик распыла и процессов тепломассоотдачи при конденсации пара из парогазовой смеси на каплях распыленной жидкости. Исследовано влияние температуры и давления воды на тонкость распыла (величину среднего объемно-поверхностного диаметра капель) для центробежной форсунки в параметрических условиях ее работы и применительно к условиям работы контактного утилизатора теплоты отходящих газов. На основании проведенных опытов получены новые зависимости величины среднего объемно-поверхностного диаметра капель для параметров распыливания жидкости с помощью центробежной форсунки в новом диапазоне изменения избыточного давления и температуры воды перед форсункой. В результате теоретического анализа движения капель жидкости в факеле распыления центробежной форсунки и использования экспериментальных данных по средним объемно-поверхностным диаметрам капель предложена методика определения действительной межфазной поверхности процессов тепломассообмена в контактных газожидкостных аппаратах капельного типа. Экспериментально определена зависимость граничной температуры нагрева воды в контактном аппарате газокапельного типа с центробежной форсункой применительно к условиям утилизации теплоты отходящих газов энергетических агрегатов. Исследования проведены в диапазоне избыточных давлений воды перед форсункой (0,2–0,6) МПа и объемной доли водяных паров парогазовой смеси на входе в аппарат от 0,02 до 0,45. Показано использование полученной зависимости для рас чета предельных значений параметров парогазового потока, ограничивающих область эффективной работы контактного аппарата с конденсацией пара и отсутствием режима испарения капель нагретой жидкости. Экспериментально определена интенсивность тепло- и массоотдачи в контактном аппарате газокапельного типа с центробежной форсункой в условиях утилизации теплоты отходящих газов энергетических агрегатов. Исследование проведены в диапазоне избыточного давления воды перед форсункой (0,2 - 0,6) МПа и объемной долей водяного пара парогазовой смеси на входе в аппарат от 0,08 до 0,35. По результатам экспериментальных исследований определены коэффициенты тепло- и массоотдачи, которые были отнесены к реальной поверхности капель. Полученные в работе результаты экспериментальных исследований коэффициентов тепло- и массоотдачи сравнивались с известными литературными данными для одиночной капли. Установлено, что интенсивность теплоотдачи для капель жидкости с парогазовым потоком выше, чем для одиночной капли, а для массоотдачи, ниже. Установлены особенности процессов переноса в газокапельной системе и получены обобщающие зависимости для процессов тепло- и массообмена для факела капель конуса распыла. В результате указанного комплекса работ предложена методика теплового расчета контактного газокапельного утилизатора теплоты низкотемпературных отходящих газов при распылении жидкости механической центробежной форсункой, которая учитывает реальные условия протекания процессов переноса в рассматриваемой двухфазной системе. Приведенная процедура теплового расчета утилизационной установки позволяет при заданных параметрах отходящих газов и воды на входе получить тип и количество распылителей для генерирования капель воды, выполнить компоновку в штатном коробе для отвода газов, рассчитать параметры теплоносителей на выходе с установки и определить ее теплопроизводительность.
Рачинський, Артур Юрійович. "Гідродинаміка і тепломасообмін в контактному утилізаторі теплоти газокрапельного типу." Doctoral thesis, Київ, 2017. https://ela.kpi.ua/handle/123456789/19312.
Full textGhodsinezhad, Hadi. "Experimental investigation on natural convection of AI2O3-water nanofluids in cavity flow." Diss., University of Pretoria, 2016. http://hdl.handle.net/2263/61292.
Full textDissertation (MEng)--University of Pretoria, 2016.
Mechanical and Aeronautical Engineering
MEng
Unrestricted
Ottermann, Tanja Linda. "Experimental and numerical investigation into the natural convection of TiO2-water nanofluid." Diss., University of Pretoria, 2016. http://hdl.handle.net/2263/61323.
Full textDissertation (MEng)--University of Pretoria, 2016.
Mechanical and Aeronautical Engineering
MEng
Unrestricted
Dahlbäck, Per. "Modeling a novel sorption dehumidication method : super saturation of water vapour in a closed volume using the finite volume method." Thesis, Uppsala universitet, Avdelningen för beräkningsvetenskap, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-208511.
Full textBeyer, M., D. Lucas, J. Kussin, and P. Schütz. "Air-water experiments in a vertical DN200-pipe." Forschungszentrum Dresden, 2011. http://nbn-resolving.de/urn:nbn:de:bsz:d120-qucosa-74486.
Full textBeyer, M., D. Lucas, J. Kussin, and P. Schütz. "Air-water experiments in a vertical DN200-pipe." Forschungszentrum Dresden-Rossendorf, 2008. https://hzdr.qucosa.de/id/qucosa%3A22143.
Full textPereira, Cléber Carvalho. "Estudo experimental e modelagem do escoamento estratificado ondulado óleo-água." Universidade de São Paulo, 2011. http://www.teses.usp.br/teses/disponiveis/18/18147/tde-15052011-101158/.
Full textThe oil-water stratified flow is quite common in the oil industry, especially in offshore directional wells and pipelines. However, there are few studies on the physics of the wavy structure observed in upward and downward stratified flow. The goal of this work was to study the geometric and kinematic properties of interfacial waves, i.e., the average shape, wavelength, amplitude and celerity. A homemade Labview®-based software enabled the automatic acquisition of data extracted from frames obtained via high resolution video recording. In situ volume fraction and two-phase pressure gradient data for five inclination angles (-20°, -10°, 0°, 10° and 20°) at several pairs of oil and water flow rates were also collected. A phenomenological model that takes into account the wavy structure is proposed to calculate volume fractions and two-phase pressure gradient and it was compared with available models from the literature and experimental data. The good agreement of the proposed model with the data collected in this study is promising and suggests that it may provide better predictions in comparison with models from the literature. The study of the interfacial perturbation wave equation for stratified flow indicates that the observed waves nature is kinematic and not dynamic; and based on the kinematic wave velocity equation we could compare the experimental celerity with the theoretical one, with good agreement.
Boháček, Jan. "EFFECT OF FLOW PARAMETERS OF WATER AND AIR ATOMIZED SPRAYS ON COOLING INTENSITY OF HOT SURFACES." Doctoral thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2011. http://www.nusl.cz/ntk/nusl-233959.
Full textHamad, Faik A., S. He, M. Khurshid Khan, and Hans H. Bruun. "Development of kerosene–water two-phase up-flow in a vertical pipe downstream of A 90° bend." 2011. http://hdl.handle.net/10454/9515.
Full textThe development of kerosene–water up-flow in a vertical pipe of 77.8 mm inner diameter and 4500 mm, length downstream of a 90◦bend, hasbeen investigated using a Pitot tube and dual optical probe. The CFD ANSYS Fluent 12.0 is used to model the flow and the results are comparedwith experimental data. The CFD provides detailed information on flow structure which is difficult to obtain in experiments. The experimentalmeasurements of the local parameters demonstrate that the single phase and two-phase flows reached the fully developed axisymmetricalconditions at L/D = 54. These results also show the severe asymmetry distributions of the two-phase flow parameters at the entrance region(L/D = 1). The predictions from Fluent are found to be in close agreement with experimental data for L/D ≥ 16 but there is a significant discrepancyat L/D = 1.
Books on the topic "Volume fraction of water vapor"
Bansal, Narottam P. CVD silicon carbide monofilament reinforced SrO-Al₂O₃-2SiO₂ (SAS) glass-ceramic composites. [Washington, D.C.]: National Aeronautics and Space Administration, 1995.
Find full textMihaylov, Vyacheslav, Elena Sotnikova, and Nina Kalpina. Eco-friendly air protection systems for motor transport facilities. ru: INFRA-M Academic Publishing LLC., 2022. http://dx.doi.org/10.12737/1093106.
Full textGeodetic Mobile Solar Spectrometer. (Geodatisch-geophysikalische Arbeiten in der Schweiz, Achtundsechzigster Band, Volume 68). Institut fur Geodasie & Photogrammetrie, 2005.
Find full textBook chapters on the topic "Volume fraction of water vapor"
Ding, Nan, Shubi Zhang, Xin Liu, and Yili Xia. "Voxel Nodes Model Parameterization for GPS Water Vapor Tomography." In China Satellite Navigation Conference (CSNC) 2017 Proceedings: Volume I, 233–42. Singapore: Springer Singapore, 2017. http://dx.doi.org/10.1007/978-981-10-4588-2_20.
Full textLiu, Zhimin, Yangyang Li, Fei Li, and Jinyun Guo. "Estimation and Evaluation of the Precipitable Water Vapor from GNSS PPP in Asia Region." In China Satellite Navigation Conference (CSNC) 2017 Proceedings: Volume I, 85–95. Singapore: Springer Singapore, 2017. http://dx.doi.org/10.1007/978-981-10-4588-2_8.
Full textValdés, Julio J., Antonio Pou, and Yaimara Céspedes-González. "Process Mining Capabilities Extended to Time Series Analysis as Applied to Meteosat Water Vapor Images." In Proceedings of the Future Technologies Conference (FTC) 2021, Volume 1, 650–67. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-89906-6_43.
Full textJing, Chunguo, Guangzhong Xing, Bin Liu, and Qiuguo Bai. "Determination of Gas and Water Volume Fraction in Oil Water Gas Pipe Flow Using Neural Networks Based on Dual Modality Densitometry." In Advances in Neural Networks - ISNN 2006, 1248–53. Berlin, Heidelberg: Springer Berlin Heidelberg, 2006. http://dx.doi.org/10.1007/11760191_182.
Full textLi, Li, Zhimin Yuan, Ping Luo, Jun Shen, Sichun Long, Liya Zhang, and Zongli Jiang. "A System Developed for Monitoring and Analyzing Dynamic Changes of GNSS Precipitable Water Vapor and Its Application." In China Satellite Navigation Conference (CSNC) 2015 Proceedings: Volume I, 95–105. Berlin, Heidelberg: Springer Berlin Heidelberg, 2015. http://dx.doi.org/10.1007/978-3-662-46638-4_10.
Full textBrock, Fred V., and Scott J. Richardson. "Hygrometry." In Meteorological Measurement Systems. Oxford University Press, 2001. http://dx.doi.org/10.1093/oso/9780195134513.003.0007.
Full text"3. Classical mass-fraction Henry’s constants of water vapor in molten polymers." In CRC Handbook of Thermodynamic Data of Aqueous Polymer Solutions, 83. CRC Press, 2004. http://dx.doi.org/10.1201/9780203998205-39.
Full text"Independent Component Analysis for Separating Water Vapor Spectrum from Terahertz Spectra." In Intelligent Engineering Systems Through Artificial Neural Networks, Volume 17, 585–91. ASME Press, 2007. http://dx.doi.org/10.1115/1.802655.paper92.
Full textYoon, Hongkyu, A. J. Valocchi, and C. J. Werth. "Impact of spatially distributed nonaqueous phase liquid saturation and water content on soil vapor extraction in heterogeneous porous media." In Computational Methods in Water Resources: Volume 1, 757–66. Elsevier, 2004. http://dx.doi.org/10.1016/s0167-5648(04)80097-2.
Full textParlance, Marc B., and John D. Albertson. "Evaporation : Use of Fast-Response Turbulence Sensors, Raman Lidar, and Passive Microwave Remote Sensing." In Vadose Zone Hydrology. Oxford University Press, 1999. http://dx.doi.org/10.1093/oso/9780195109900.003.0014.
Full textConference papers on the topic "Volume fraction of water vapor"
Hong, S. W., J. H. Kim, B. T. Min, I. K. Park, and H. D. Kim. "Suppression Features of a Vapor Explosion With Prototypic Reactor Materials." In 16th International Conference on Nuclear Engineering. ASMEDC, 2008. http://dx.doi.org/10.1115/icone16-48770.
Full textJiang, Kecheng, Xuebin Ma, and Songlin Liu. "CFD Application to Subcooled Boiling Analyses on the First Wall of WCCB Blanket for CFETR." In 2017 25th International Conference on Nuclear Engineering. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/icone25-66216.
Full textGokaltun, S., P. V. Skudarnov, and C. X. Lin. "Verification and Validation Studies for a Laminar Non-Premixed Methane/Air Flame." In ASME 2006 International Mechanical Engineering Congress and Exposition. ASMEDC, 2006. http://dx.doi.org/10.1115/imece2006-15086.
Full textWang, DeMing, and Chao Zhang. "Numerical Modeling of Heat Transfer and Water Shedding in Automotive Evaporator Louvered Fins." In ASME 2000 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2000. http://dx.doi.org/10.1115/imece2000-1530.
Full textYin, Zhan, Jianjun Wen, Min Zeng, and Qiuwang Wang. "Numerical Investigation of Laminar Filmwise Condensation of Water Vapor in Horizontal Tube With VOF Method in the Presence of Air." In ASME 2014 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/imece2014-37331.
Full textZhao, Z., D. Poulikakos, and S. Glod. "Pressure and Power Generation During Explosive Vaporization on a Thin-Film Microheater." In ASME 1998 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 1998. http://dx.doi.org/10.1115/imece1998-1222.
Full textYousef, Khaled, Ahmed Hegazy, and Abraham Engeda. "Effect of Moisture Content on Mixing Air With Water-Liquid Flowing Through Inverted U-Tube for Power Plant Condenser Applications." In ASME-JSME-KSME 2019 8th Joint Fluids Engineering Conference. American Society of Mechanical Engineers, 2019. http://dx.doi.org/10.1115/ajkfluids2019-4902.
Full textLi, Wei, Weiqiang Li, Weidong Shi, Ling Zhou, and Bing Pei. "Influence of Different Impeller Diameter on Cavitation Performance in an Engine Cooling Water Pump." In ASME/JSME/KSME 2015 Joint Fluids Engineering Conference. American Society of Mechanical Engineers, 2015. http://dx.doi.org/10.1115/ajkfluids2015-09754.
Full textLi, Huiying, Sergio A. Vasquez, Hemant Punekar, and R. Muralikrishnan. "Prediction of Boiling and Critical Heat Flux Using an Eulerian Multiphase Boiling Model." In ASME 2011 International Mechanical Engineering Congress and Exposition. ASMEDC, 2011. http://dx.doi.org/10.1115/imece2011-65539.
Full textShao, Huaishuang, Yungang Wang, Haidong Ma, and Qinxin Zhao. "Numerical Investigation on Two-Phase Flow Characteristic in the Separated Structure Shell-and-Tube Waste Heat Boiler." In ASME 2017 Power Conference Joint With ICOPE-17 collocated with the ASME 2017 11th International Conference on Energy Sustainability, the ASME 2017 15th International Conference on Fuel Cell Science, Engineering and Technology, and the ASME 2017 Nuclear Forum. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/power-icope2017-3283.
Full textReports on the topic "Volume fraction of water vapor"
Cohen, Shabtai, Melvin Tyree, Amos Naor, Alan N. Lakso, Terence L. Robinson, and Yehezkiel Cohen. Influence of hydraulic properties of rootstocks and the rootstock-scion graft on water use and productivity of apple trees. United States Department of Agriculture, 2001. http://dx.doi.org/10.32747/2001.7587219.bard.
Full textMacDonald, James D., Aharon Abeliovich, Manuel C. Lagunas-Solar, David Faiman, and John Kabshima. Treatment of Irrigation Effluent Water to Reduce Nitrogenous Contaminants and Plant Pathogens. United States Department of Agriculture, July 1993. http://dx.doi.org/10.32747/1993.7568092.bard.
Full textRusso, David, and William A. Jury. Characterization of Preferential Flow in Spatially Variable Unsaturated Field Soils. United States Department of Agriculture, October 2001. http://dx.doi.org/10.32747/2001.7580681.bard.
Full text