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Articles de revues sur le sujet « Spray Flash Evaporation (SFE) »

Auteur : Grafiati
Publié le 1 mars 2025

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1

Berthe, Jean-Edouard, Fabien Schnell, Yannick Boehrer et Denis Spitzer. « Nanocrystallisation of Ammonium DiNitramide (ADN) by Spray Flash Evaporation (SFE) ». Propellants, Explosives, Pyrotechnics 43, no 6 (24 mai 2018) : 609–15. http://dx.doi.org/10.1002/prep.201800039.

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Lobry, Emeline, Jean-Edouard Berthe et Denis Spitzer. « Spray flash evaporation SFE process : Identification of the driving parameters on evaporation to tune particle size and morphology ». Chemical Engineering Science 231 (février 2021) : 116307. http://dx.doi.org/10.1016/j.ces.2020.116307.

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Coty, Jean-Baptiste, Cédric Martin, Isabella Telò et Denis Spitzer. « Use of Spray Flash Evaporation (SFE) technology to improve dissolution of poorly soluble drugs : Case study on furosemide nanocrystals ». International Journal of Pharmaceutics 589 (novembre 2020) : 119827. http://dx.doi.org/10.1016/j.ijpharm.2020.119827.

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Okazaki, Takahiro, Zensaku Kawara, Takehiko Yokomine et Tomoaki Kunugi. « Enhancement of MSF Using Microbubbles ». International Journal of Chemical Reactor Engineering 13, no 4 (1 décembre 2015) : 469–75. http://dx.doi.org/10.1515/ijcre-2014-0169.

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Abstract Multi Stage Flash (MSF) distillation plants are widely used in saline water desalination. In order to enhance MSF, it is important to increase an evaporation rate in the flashing stage. A spray flash method, in which superheated water jets are injected through nozzles into a depressurized environment to increase the gas/liquid interface area, is a promising technique to make the increase of evaporation rate, which leads directly to the reduction of energy consumption and cost of the MSF plant. In this paper, the introduction of microbubbles into the spray jet as the nucleation sites to increase the evaporation rate of the spray flash is proposed. The spray flash behaviours with/without microbubbles at outside/inside of the nozzle-inside were observed by means of a high speed camera to investigate the mechanism of enhancement of spray flash due to microbubbles. Moreover, the number densities of droplets and bubble volume increase were obtained from visualized images in order to discuss quantitatively on the effects of introduction of microbubbles.
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Ma, Wei, Siping Zhai, Ping Zhang, Yaoqi Xian, Lina Zhang, Rui Shi, Jiang Sheng, Bo Liu et Zonglin Wu. « Research Progresses of Flash Evaporation in Aerospace Applications ». International Journal of Aerospace Engineering 2018 (17 décembre 2018) : 1–15. http://dx.doi.org/10.1155/2018/3686802.

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Liquid is overheated and evaporated quickly when it enters into the environment with lower saturation pressure than that corresponding to its initial temperature. This phenomenon is known as the flash evaporation. A natural low-pressure environment and flash evaporation have unique characteristics and superiority in high altitude and outer space. Therefore, flash evaporation is widely used in aerospace. In this paper, spray flash evaporation and jet flash evaporation which are two different forms were introduced. Later, key attentions were paid to applications of flash evaporation in aerospace. For example, the flash evaporation has been used in the thermal control system of an aircraft and the propelling system of a microsatellite and oil supply system of a rocket motor. Finally, the latest progresses in the calculation model and numerical simulation of flash evaporation were elaborated.
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Sève, Aymeric, Vincent Pichot, Fabien Schnell et Denis Spitzer. « Trinitrotoluene Nanostructuring by Spray Flash Evaporation Process ». Propellants, Explosives, Pyrotechnics 42, no 9 (7 juin 2017) : 1051–56. http://dx.doi.org/10.1002/prep.201700024.

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Zheng, Lei, Haizhou Xu, Hao Fu, Hua Chen et Wenlong Cheng. « Experiment and simulation study on the characteristics of pressure swirl nozzle flash spray under the influence of superheat ». Journal of Physics : Conference Series 2683, no 1 (1 janvier 2024) : 012036. http://dx.doi.org/10.1088/1742-6596/2683/1/012036.

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Abstract The good atomization performance of the pressure swirl nozzle makes it widely used in the fuel injection device of the internal combustion engine. Flash spray caused by fuel inlet superheat can affect spray and combustion characteristics. In this paper, a spray parameter measurement system is set up, combined with phase Doppler particle analysis (PDPA) technology to research the effect of superheat on spray velocity and droplet diameter distribution. To improve the safety of the experiment, Methyl Nonafluorobutyl Ether (HFE7100) with a boiling point of 61°C was used as the spray fluid. The cavitation model and VOF model are used to simulate the pressure swirl nozzle flash spray. The results show that when the temperature changes from 40°C to 60°C, the velocity of spray droplets increases and the particle size decreases under the action of weak evaporation; When the temperature changes from 60°C to 70°C, the evaporation mode is dominated by flash, making the droplet velocity at the spray center greatly increase and the velocity distribution change from saddle-shaped distribution to unimodal distribution. The droplet diameter increases, which may be due to the expansion of the droplet caused by the formation of bubbles inside the droplet under the action of flash.
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8

Miyatake, Osamu, et Yasuhiro Miki. « Simplified expression for efficiency of spray flash evaporation. » KAGAKU KOGAKU RONBUNSHU 13, no 2 (1987) : 252–56. http://dx.doi.org/10.1252/kakoronbunshu.13.252.

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Chen, Mengrong, Yue Xie, Mengjun Gong, Xinyu Zhang et Yong Ren. « Numerical study of spray cooling with flash evaporation ». Journal of Physics : Conference Series 2454, no 1 (1 mars 2023) : 012012. http://dx.doi.org/10.1088/1742-6596/2454/1/012012.

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Abstract This work aims to apply Computational Fluid Dynamic (CFD) method to establish a flash evaporation spray cooling (FESC) model to simulate the heating process and find the optimum cooling performance. The heat transfer process during FESC is studied through numerical simulation using commercial code ANSYS FLUENT. The species transport model and the discrete phase model are applied to simulate the multiphase flow and heat transfer process. The turbulence effect is included. The effects of flow rate, nozzle pressure, nozzle angle, and the nozzle orifice size on spray cooling are investigated through analyzing the final surface temperature distributions. This work revealed the mechanism of the heat transfer process in FESC by means of particle tracks and velocity magnitude distribution. The simulated results for the effect of flow rate were compared with other researchers’ previous published experimental results. The comparison shows same trend, which verified the model and the simulation result. The optimum cooling performance is found by analyzing various working conditions. The results show that high flow rate, high nozzle pressure, small nozzle angle and small nozzle orifice can improve the FESC characteristics. The detailed mechanisms of these effects under various working conditions are also discussed. Under giving working conditions, the optimum cooling performance is obtained for the condition where mass flow rate of working fluid is 2L/min, the nozzle pressure is 100MPa, the nozzle angle is 15 degrees and the orifice size of the nozzle is 1mm.
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10

Ding, Hong Yuan, Peng Deng, Xu Yao Mao et Chao Wu. « Flash Boiling Spray Simulation Based on Void Fraction and Superheat Controlling ». Applied Mechanics and Materials 737 (mars 2015) : 289–95. http://dx.doi.org/10.4028/www.scientific.net/amm.737.289.

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A new flash boiling spray model whose atomization criterion based on the void fraction and superheat while evaporation model based on the dual-zone method is established to simulate the flashing sprays. The model function is implemented in KIVA program. Flash boiling spray model predicts spray penetration and spray cone angle and its development trend, in good agreement with the experimental results. The model has a good capability in simulating flash sprays at low superheat conditions, which breakup is controlled by void fraction, as well as high superheat transition process. It can also predict flare flashing sprays to some extent at higher superheat conditions.
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11

Su, Fengmin, Yiming Fan, Chi Zhang, Yifan Wang, Yanyang Wang et Benli Peng. « Vitrification by Transient Vacuum Flashing Spray Cooling of Liquid Nitrogen ». Cryoletters 43, no 3 (1 mai 2022) : 167–74. http://dx.doi.org/10.54680/fr22310110212.

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BACKGROUND: The transient vacuum flashing spray cooling of liquid nitrogen (LN2 ) on a microstructured surface can provide ultra-fast cooling rate and may improve cell survival rates. OBJECTIVE: To utilize flashing spray cooling of LN2 instead of film boiling to improve further cell vitrification. METHOD: This study analyzed the effects of the three key parameters (flow rate of liquid nitrogen, ambient pressure, and spray distance) on the cooling process by experimentation. RESULTS: The experimental results showed that the vacuum flashing spray cooling of LN2 can gain higher cooling rates than that achieved by film boiling in conventional vitrification methods. The three parameters all affected the vacuum flash evaporation spray cooling of LN2, and their effect trends were not monotonous but followed a parabolic trend that increased and then decreased. That is, the three parameters all have optimum values to the cooling process. CONCLUSION: Vacuum flash evaporation spray cooling can develop the ultra-fast cooling rates needed to enhance cell vitrification.
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12

Koito, Yasushi, Kazuyoshi Tanaka et Osamu Miyatake. « An Experimental Study on Enhancement of Spray Flash Evaporation. » KAGAKU KOGAKU RONBUNSHU 29, no 1 (2003) : 150–53. http://dx.doi.org/10.1252/kakoronbunshu.29.150.

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13

Cai, Benan, Xiaobing Tuo, Zichen Song, Yulong Zheng, Hongfang Gu et Haijun Wang. « Modeling of spray flash evaporation based on droplet analysis ». Applied Thermal Engineering 130 (février 2018) : 1044–51. http://dx.doi.org/10.1016/j.applthermaleng.2017.11.083.

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14

Cai, Benan, Yongguang Yin, Yulong Zheng, Wei Wang, Hongfang Gu, Jianan Yao et Haijun Wang. « Mathematical study of spray flash evaporation in a spray-assisted seawater desalination chamber ». Desalination 465 (septembre 2019) : 25–37. http://dx.doi.org/10.1016/j.desal.2019.03.007.

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15

Cai, Benan, Qingqing Wang, Songtao Yin, Hongfang Gu, Haijun Wang, Hongdong Zhen et Lei Zhang. « Energy analysis of spray flash evaporation from superheated upward jets ». Applied Thermal Engineering 148 (février 2019) : 704–13. http://dx.doi.org/10.1016/j.applthermaleng.2018.11.084.

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16

Koito, Yasushi, Yasuhiro Maruta, Kazuyoshi Tanaka et Osamu Miyatake. « Influence of a Non-Volatile Solute on Spray Flash Evaporation. » KAGAKU KOGAKU RONBUNSHU 28, no 1 (2002) : 95–101. http://dx.doi.org/10.1252/kakoronbunshu.28.95.

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17

Wang, Chao, Ruina Xu, Yu Song et Peixue Jiang. « Study on water droplet flash evaporation in vacuum spray cooling ». International Journal of Heat and Mass Transfer 112 (septembre 2017) : 279–88. http://dx.doi.org/10.1016/j.ijheatmasstransfer.2017.04.111.

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18

Chen, Q., Kum Ja M, Y. Li et K. J. Chua. « Experimental and mathematical study of the spray flash evaporation phenomena ». Applied Thermal Engineering 130 (février 2018) : 598–610. http://dx.doi.org/10.1016/j.applthermaleng.2017.11.018.

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19

Miyatake, O., T. Tomimura et Y. Ide. « Enhancement of Spray Flash Evaporation by Means of the Injection of Bubble Nuclei ». Journal of Solar Energy Engineering 107, no 2 (1 mai 1985) : 176–82. http://dx.doi.org/10.1115/1.3267673.

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Spray flash evaporators are being used or considered for power systems utilizing solar energy, ocean thermal energy, and geothermal energy. As part of an attempt to develop a compact, efficient flash evaporator, an experimental study of the effect of injection of bubble nuclei has been conducted. The bubble nuclei were generated by electrolyzing warm water, which was ejected from a simple tubular nozzle into a low-pressure vapor zone. Effects of electrolytic current level, nozzle diameter, liquid flow rate, liquid temperature, and superheat were investigated. The evaporator rates attained were superior to those in conventional multistage flash evaporators with open channels.
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20

Duronio, Francesco, Angelo De De Vita, Alessandro Montanaro et Luigi Allocca. « Experimental Investigation and Numerical CFD Assessment of a Thermodynamic Breakup Model for Superheated Sprays with Injection Pressure up to 700 Bar ». Fluids 8, no 5 (14 mai 2023) : 155. http://dx.doi.org/10.3390/fluids8050155.

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Among the most relevant fields of research recently investigated for improving the performance of gasoline direct injection (GDI) engines, there are ultrahigh injection pressures and the flash-boiling phenomenon. Both perform relevant roles in improving the air/fuel mixing process, reducing tailpipe emissions and implementing new combustion methods. When a high-temperature fuel is released into an environment with a pressure lower than the fuel’s saturation pressure, flash boiling occurs. Due to complex two-phase flow dynamics and quick droplet vaporization, flash boiling can significantly modify spray formation. Specifically, if properly controlled, flash boiling produces important benefits for the fuel–air mixture formation, the combustion quality and, in general, for overall engine operation. Flash boiling was broadly investigated for classical injection pressure, but few works concern ultrahigh injection pressure. Here, the investigation of the spray produced by a multihole injector was performed using both experimental imaging techniques and CFD simulations aiming to highlight the combined impact of the injection pressure and the flash boiling occurrence on the spray morphology. The shadowgraph method was employed to observe the spray experimentally. The information gathered allows for assessing the performances of an Eulerian–Lagrangian algorithm purposely developed. Breakup and evaporation models, appropriate for flashing sprays, were implemented in a CFD (Computational Fluid Dynamics) code. The experimental results and the CFD simulations demonstrate a good agreement, demonstrating that through adoption of a flash-boiling breakup model, it is possible to reproduce non-evaporating and superheated sprays while changing few simulation parameters. Finally, the results also show the significance of injection pressure in preventing spray collapse.
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21

Busby, Yan, Emeline Lobry, Fabien Schnell, Guillaume Galland et Denis Spitzer. « From Microdroplets to Microcrystals : Tunable Caffeine Particles by Spray Flash Evaporation ». Crystal Growth & ; Design 21, no 2 (20 janvier 2021) : 854–60. http://dx.doi.org/10.1021/acs.cgd.0c01194.

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22

Cheng, Wen-Long, Wei-Wei Zhang, Hua Chen et Lei Hu. « Spray cooling and flash evaporation cooling : The current development and application ». Renewable and Sustainable Energy Reviews 55 (mars 2016) : 614–28. http://dx.doi.org/10.1016/j.rser.2015.11.014.

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Cai, Benan, Qi Zhang, Yang Jiang, Hongfang Gu et Haijun Wang. « Experimental study on spray flash evaporation under high temperature and pressure ». International Journal of Heat and Mass Transfer 113 (octobre 2017) : 1106–15. http://dx.doi.org/10.1016/j.ijheatmasstransfer.2017.06.017.

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Cai, Benan, Jianxin Zhang, Yuqi Zhao, Xunjian Che, Jianchuang Sun, Jiameng Tian et Weihua Cai. « Numerical investigation on vacuum spray flash evaporation of ethanol-water solution ». International Communications in Heat and Mass Transfer 163 (avril 2025) : 108719. https://doi.org/10.1016/j.icheatmasstransfer.2025.108719.

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Payri, Raul, Pedro Marti-Aldaravi, Rami Abboud et Abian Bautista. « Numerical Analysis of GDI Flash Boiling Sprays Using Different Fuels ». Energies 14, no 18 (18 septembre 2021) : 5925. http://dx.doi.org/10.3390/en14185925.

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Modeling the fuel injection process in modern gasoline direct injection engines plays a principal role in characterizing the in–cylinder mixture formation and subsequent combustion process. Flash boiling, which usually occurs when the fuel is injected into an ambient pressure below the saturation pressure of the liquid, is characterized by fast breakup and evaporation rates but could lead to undesired behaviors such as spray collapse, which significantly effects the mixture preparation. Four mono–component fuels have been used in this study with the aim of achieving various flashing behaviors utilizing the Spray G injector from the Engine Combustion Network (ECN). The numerical framework was based on a Lagrangian approach and was first validated for the baseline G1 condition. The model was compared with experimental vapor and liquid penetrations, axial gas velocity, droplet sizes and spray morphology and was then extended to the flash boiling condition for iso–octane, n–heptane, n–hexane, and n–pentane. A good agreement was achieved for most of the fuels in terms of spray development and shape, although the computed spray morphology of pentane was not able to capture the spray collapse. Overall, the adopted methodology is promising and can be used for engine combustion modeling with conventional and alternative fuels.
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Spitzer, Denis, Vincent Pichot, Jean-Edouard Berthe, Florent Pessina, Tanja Deckert-Gaudig, Volker Deckert, Emeline Lobry et Marc Comet. « NANOCRYSTALLIZATION OF ENERGETIC MATERIALS BY SPRAY FLASH EVAPORATION FOR EXPLOSIVES AND PROPELLANTS ». International Journal of Energetic Materials and Chemical Propulsion 18, no 4 (2019) : 325–39. http://dx.doi.org/10.1615/intjenergeticmaterialschemprop.2019027410.

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Fathinia, Farshid, Mehdi Khiadani, Yasir M. Al-Abdeli et Abdellah Shafieian. « Performance improvement of spray flash evaporation desalination systems using multiple nozzle arrangement ». Applied Thermal Engineering 163 (décembre 2019) : 114385. http://dx.doi.org/10.1016/j.applthermaleng.2019.114385.

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Klaumünzer, Martin, Laurent Schlur, Fabien Schnell et Denis Spitzer. « Continuous Crystallization of ZnO Nanoparticles by Spray Flash Evaporation versus Batch Synthesis ». Chemical Engineering & ; Technology 38, no 8 (27 juillet 2015) : 1477–84. http://dx.doi.org/10.1002/ceat.201500053.

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Fan, Yiming, Fengmin Su, Benli Peng, Yulong Ji, Nannan Zhao et Hongbin Ma. « Experimental study on liquid nitrogen flash evaporation spray on super-hydrophilic microstructured surface ». International Communications in Heat and Mass Transfer 134 (mai 2022) : 105998. http://dx.doi.org/10.1016/j.icheatmasstransfer.2022.105998.

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Ghosh, Mrinal, A. K. Sikder, Shaibal Banerjee, M. B. Talawar et N. Sikder. « Preparation of reduced sensitivity co-crystals of cyclic nitramines using spray flash evaporation ». Defence Technology 16, no 1 (février 2020) : 188–200. http://dx.doi.org/10.1016/j.dt.2019.05.018.

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Cheng, Wen-Long, Yu-Hang Peng, Hua Chen, Lei Hu et Han-Ping Hu. « Experimental investigation on the heat transfer characteristics of vacuum spray flash evaporation cooling ». International Journal of Heat and Mass Transfer 102 (novembre 2016) : 233–40. http://dx.doi.org/10.1016/j.ijheatmasstransfer.2016.05.140.

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32

Ra, Y., et R. D. Reitz. « The application of a multicomponent droplet vaporization model to gasoline direct injection engines ». International Journal of Engine Research 4, no 3 (1 juin 2003) : 193–218. http://dx.doi.org/10.1243/146808703322223388.

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A model for unsteady droplet vaporization is presented that considers the droplet temperature range from flash-boiling conditions to normal evaporation. The theory of continuous thermodynamics was used to model the properties and compositions of multicomponent fuels such as gasoline. In order to model the change of evaporation rate from normal to boiling conditions more realistically, an unsteady internal heat flux model and a new model for the determination of the droplet surface temperature are proposed. An explicit form of the equation to determine the heat flux from the surrounding gas mixture to the droplet/gas interface was obtained from an approximate solution of the quasi-steady energy equation for the surrounding gas mixture, with the interdiffusion of fuel vapour and the surrounding gas taken into account. The model was applied to calculate normal and boiling evaporation processes of droplets for various ambient temperatures and droplet temperatures. Single-droplet evaporation calculated using the present model was compared with the results calculated by using the standard evaporation routine of the KIVA-3V code. Also, simulations of the vaporization of a single-component fuel (iso-octane) were compared with multi-component fuel cases. The vaporization of a hollow cone spray of fuel injected into a cylindrical chamber was simulated for both normal and flash-boiling conditions using the KIVA-3V code implemented with the present model. In addition, the model was applied to a realistic gasoline direct injection engine.
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Fu, Hao, Rui Zhao, Wenjun Long et Wenlong Cheng. « Study on cooling performance of rapid cooling system based on vacuum spray flash evaporation ». Applied Thermal Engineering 201 (janvier 2022) : 117751. http://dx.doi.org/10.1016/j.applthermaleng.2021.117751.

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Miyatake, Osamu, Muhammad Enamul Kabir, Hidehiko Noda et Kouji Sugihara. « Transient characteristics and performance of hybrid latent heat storage and spray flash evaporation system. » JOURNAL OF CHEMICAL ENGINEERING OF JAPAN 30, no 6 (1997) : 1076–82. http://dx.doi.org/10.1252/jcej.30.1076.

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Gao, Wenzhong, Jiaye Qi, Jiahao Zhang, Guangming Chen et Dawei Wu. « An experimental study on explosive boiling of superheated droplets in vacuum spray flash evaporation ». International Journal of Heat and Mass Transfer 144 (décembre 2019) : 118552. http://dx.doi.org/10.1016/j.ijheatmasstransfer.2019.118552.

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Lin, Yan-Ke, Zhi-Fu Zhou, Yu Fang, Hong-Lin Tang et Bin Chen. « Heat transfer performance and optimization of a close-loop R410A flash evaporation spray cooling ». Applied Thermal Engineering 159 (août 2019) : 113966. http://dx.doi.org/10.1016/j.applthermaleng.2019.113966.

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Ji, Can, Naihua Wang et Zhigang Liu. « Three-dimensional simulation of flash evaporation of non-uniform spray in saturated vapor environment ». Heat and Mass Transfer 56, no 12 (10 août 2020) : 3289–301. http://dx.doi.org/10.1007/s00231-020-02936-4.

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Tian, Jiameng, Bufa Li, Junfeng Wang, Bin Chen, Zhifu Zhou et Hai Wang. « Transient analysis of cryogenic cooling performance for high-power semiconductor lasers using flash-evaporation spray ». International Journal of Heat and Mass Transfer 195 (octobre 2022) : 123216. http://dx.doi.org/10.1016/j.ijheatmasstransfer.2022.123216.

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Cai, Benan, Haijun Wang, Qian Li, Yandong Hou et Weihua Cai. « Experimental investigation on thermal characteristics of spray flash evaporation under high temperature and high pressure ». Annals of Nuclear Energy 167 (mars 2022) : 108869. http://dx.doi.org/10.1016/j.anucene.2021.108869.

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Ji, Can, Lin Cheng, Naihua Wang et Zhigang Liu. « Experimental investigation on high-pressure high-temperature spray flash evaporation and the characteristic Jakob number ». Experimental Thermal and Fluid Science 102 (avril 2019) : 94–100. http://dx.doi.org/10.1016/j.expthermflusci.2018.10.018.

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Pichot, Vincent, Aymeric Seve, Jean-Edouard Berthe, Fabien Schnell et Denis Spitzer. « Study of the Elaboration of HMX and HMX Composites by the Spray Flash Evaporation Process ». Propellants, Explosives, Pyrotechnics 42, no 12 (8 novembre 2017) : 1418–23. http://dx.doi.org/10.1002/prep.201700171.

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Wu, Dawei, Wenhui Zhang, Li Tang et Cunquan Zhang. « A New Integrated Scheme for Urban Road Traffic Flood Control Using Liquid Air Spray/Vaporization Technology ». Sustainability 12, no 7 (31 mars 2020) : 2733. http://dx.doi.org/10.3390/su12072733.

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With the rapid progress of urbanization, cities’ demands for traffic flood control are steadily on the increase, and people are gradually paying more attention to traffic safety and environmental issues. Considering the considerable convenience and service ability of liquid air and corresponding products, people have begun to switch to using liquid air as an emergency coolant. However, this air’s cryogenic operation and vigorous vaporization expansion restricts its widespread application. Our study explores innovative applications based on liquid air spray/evaporation icing and natural melting, which can be applied to urban flood protection. This study also includes a brief introduction to the nature of liquid air and road icing, a conceptual design based on liquid air flash evaporation (for urban flood protection), and the modeling and solving of natural road ice melting. This paper introduces many innovative key technologies, which include the rapid solidification of floods to form emergency ice dams or diversion channels and the application of liquid air spray to form icy roads for the temporary passage of small cars or pickup trucks. Additionally, the economic estimations are performed by using downtown traffic flood control in Wuhan as an example to showcase our innovative scheme for applying liquid air spray/vaporization for urban traffic flooding control, which is practical, pollution free, and cost effective. Our innovative scheme will be promising for flood control in modern cities.
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Ghiaasiaan, S. M. « Thermal-Hydraulics of OC-OTEC Spout Flash Evaporators ». Journal of Energy Resources Technology 114, no 3 (1 septembre 1992) : 187–96. http://dx.doi.org/10.1115/1.2905940.

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A mechanistic model was developed for the thermal-hydraulic processes in the spout flash evaporator of an OC-OTEC plant. Nonequilibrium, two-fluid, conservation equations were solved for the two-phase flow in the spout, accounting for evaporation at the gas-liquid interface, and using a two-phase flow regime map consisting of bubbly, churn-turbulent and dispersed droplet flow patterns. Solution of the two-phase conservation equations provided the flow conditions at the spout exit, which were used in modeling the fluid mechanics and heat transfer in the evaporator, where the liquid was assumed to shatter into a spray with a log-normal size distribution. Droplet size distribution was approximated by using 30 discrete droplet size groups. Droplet momentum conservation equations were numerically solved to obtain the residence time of various droplet size groups in the evaporator. Evaporative cooling of droplets was modeled by solving the 1-D heat conduction equation in spheres, and accounting for droplet internal circulation by an empirical thermal diffusivity multiplier. The model was shown to favorably predict the available single-spout experimental data.
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SAIKI, Atsushi, Yasuhiro FUJII, Osamu SAKURAI, Naoki WAKIYA, Kazuo SHINOZAKI et Nobuyasu MIZUTANI. « Preparation of Homo and Hetero Multilayer YSZ Thin Films by Ultrasonic Spray ICP Flash Evaporation Method ». Journal of the Ceramic Society of Japan 106, no 1231 (1998) : 312–16. http://dx.doi.org/10.2109/jcersj.106.312.

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Fathinia, Farshid, Mehdi Khiadani et Yasir M. Al-Abdeli. « Experimental and mathematical investigations of spray angle and droplet sizes of a flash evaporation desalination system ». Powder Technology 355 (octobre 2019) : 542–51. http://dx.doi.org/10.1016/j.powtec.2019.07.081.

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Zhou, Zhi-Fu, Yan-Ke Lin, Hong-Lin Tang, Yu Fang, Bin Chen et Ye-Chun Wang. « Heat transfer enhancement due to surface modification in the close-loop R410A flash evaporation spray cooling ». International Journal of Heat and Mass Transfer 139 (août 2019) : 1047–55. http://dx.doi.org/10.1016/j.ijheatmasstransfer.2019.05.063.

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Wu, Haoqing, Shijie Mi, Yong Qian, Tianhao Zhang, Jinhe Zhang, Cheng Pan, Lei Shi et Xingcai Lu. « Spray and evaporation characteristics of high-pressure liquid ammonia injection under flash-boiling and evaporating conditions ». Fuel 381 (février 2025) : 133627. http://dx.doi.org/10.1016/j.fuel.2024.133627.

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48

Paredi, Davide, Tommaso Lucchini, Gianluca D’Errico, Angelo Onorati, Lyle Pickett et Joshua Lacey. « Validation of a comprehensive computational fluid dynamics methodology to predict the direct injection process of gasoline sprays using Spray G experimental data ». International Journal of Engine Research 21, no 1 (22 août 2019) : 199–216. http://dx.doi.org/10.1177/1468087419868020.

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A detailed prediction of injection and air–fuel mixing is fundamental in modern direct injection, spark-ignition engines to guarantee a stable and efficient combustion process and to minimize pollutant formation. Within this context, computational fluid dynamics simulations nowadays represent a powerful tool to understand the in-cylinder evolution of spray and air–fuel charge. To guarantee the accuracy of the adopted multidimensional spray sub-models, it is mandatory to validate the computed results against available experimental data under well-defined operating conditions. To this end, in this work, the authors proposed the calibration and validation of a comprehensive set of spray sub-models by means of the simulation of the Spray G experiment, available in the context of the engine combustion network. For a suitable validation of the proposed numerical setup in addition to the baseline condition, gasoline direct injection operating points typical of early injection with homogeneous operation, late injection with high ambient density and flash boiling with enhanced fuel evaporation were also simulated. Numerical computations were validated against a wide set of available experimental data by means of an accurate post-processing analysis taking into account axial liquid and vapor penetrations, gas-phase velocity between spray plumes, droplet size, plume liquid velocity, direction and mass distribution. Satisfactory results were achieved with the proposed setup, which is able to predict gasoline spray evolution under different operating conditions.
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Lobry, Emeline, Jean‐Edouard Berthe, Jakob Hübner, Fabien Schnell et Denis Spitzer. « Tuning the Oxygen Balance of Energetic Composites : Crystallization of ADN/Secondary Explosives Mixtures by Spray Flash Evaporation ». Propellants, Explosives, Pyrotechnics 46, no 3 (18 janvier 2021) : 398–412. http://dx.doi.org/10.1002/prep.202000090.

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Chen, Qi, Guoying Xu et Peng Xia. « The performance of a solar-driven spray flash evaporation desalination system enhanced by microencapsulated phase change material ». Case Studies in Thermal Engineering 27 (octobre 2021) : 101267. http://dx.doi.org/10.1016/j.csite.2021.101267.

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