Relevant bibliographies by topics / Spray Flash Evaporation (SFE)

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  1. Journal articles
  2. Dissertations / Theses
  3. Book chapters
  4. Conference papers

Academic literature on the topic 'Spray Flash Evaporation (SFE)'

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Published: 1 March 2025

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Journal articles on the topic "Spray Flash Evaporation (SFE)"

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

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

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Coty, Jean-Baptiste, Cédric Martin, Isabella Telò, and 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 (November 2020): 119827. http://dx.doi.org/10.1016/j.ijpharm.2020.119827.

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Okazaki, Takahiro, Zensaku Kawara, Takehiko Yokomine, and Tomoaki Kunugi. "Enhancement of MSF Using Microbubbles." International Journal of Chemical Reactor Engineering 13, no. 4 (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 t
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Ma, Wei, Siping Zhai, Ping Zhang, et al. "Research Progresses of Flash Evaporation in Aerospace Applications." International Journal of Aerospace Engineering 2018 (December 17, 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
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Sève, Aymeric, Vincent Pichot, Fabien Schnell, and Denis Spitzer. "Trinitrotoluene Nanostructuring by Spray Flash Evaporation Process." Propellants, Explosives, Pyrotechnics 42, no. 9 (2017): 1051–56. http://dx.doi.org/10.1002/prep.201700024.

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Zheng, Lei, Haizhou Xu, Hao Fu, Hua Chen, and 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 (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
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Miyatake, Osamu, and 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, and Yong Ren. "Numerical study of spray cooling with flash evaporation." Journal of Physics: Conference Series 2454, no. 1 (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 investiga
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Ding, Hong Yuan, Peng Deng, Xu Yao Mao, and Chao Wu. "Flash Boiling Spray Simulation Based on Void Fraction and Superheat Controlling." Applied Mechanics and Materials 737 (March 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 pred
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Dissertations / Theses on the topic "Spray Flash Evaporation (SFE)"

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Vince, Maxence. "Analyses in situ et approche paramétrique du procédé Spray Flash Evaporation pour l’élaboration d’hexolites." Electronic Thesis or Diss., Strasbourg, 2024. http://www.theses.fr/2024STRAE018.

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Les nanodiamants (NDs) font l'objet de recherches intenses dans les domaines biomédical, militaire et de la mécanique quantique. Pour produire ces NDs, le recours à la détonation d'un mélange RDX/TNT, aussi appelé hexolite, est souvent préféré. Cependant, pour produire des NDs aux propriétés physico-chimiques performantes, il est nécessaire d’avoir au préalable des particules fines d’hexolites, et des mélanges intimes et homogènes. Pour parvenir à cela, le laboratoire NS3E a développé le procédé de recristallisation par évaporation flash de spray (Spray Flash Evaporation, SFE). Cependant, l'in
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Fathinia, Farshid. "A study into the effects of spray and jet characteristics on flash evaporation system." Thesis, Edith Cowan University, Research Online, Perth, Western Australia, 2020. https://ro.ecu.edu.au/theses/2342.

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Low temperature flash evaporation desalination is a separation system that isolates liquids from other materials when seawater or any fluid undergoes evaporation. Extreme flash evaporation occurs when a low heated liquid is injected into the vacuum area, where the pressure is far below the saturated pressure of the liquid entering the area. This approach of flash evaporation is a key part of this type of system. It has a great potential to develop and improve the implementation of low thermal desalination plants but requires more specific study. Further analysis shows that previous investigati
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Berthe, Jean-Edouard. "Amélioration des explosifs par ajustement de leur balance en oxygène lors de la cristalisation par Evaporation Flash de Spray." Thesis, Strasbourg, 2018. http://www.theses.fr/2018STRAE023/document.

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Dans la littérature, que ce soit pour un explosif secondaire ou un matériau composite, une balance en oxygène (BO) proche de 0% est assimilée à de bonnes performances énergétiques (vitesse de détonation, chaleur de décomposition, etc…). L’objectif majeur de cette thèse est d’améliorer les performances énergétiques d’explosifs secondaires courants (RDX, HMX, CL-20) par l’ajout d’un oxydant (DNA) afin d’obtenir un matériau composite avec une BO de -1%. Le mélange intime de ces deux composés est permis par un procédé d’évaporation flash de spray, utilisé habituellement pour réduire la taille de p
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Pessina, Florent. "Toward particle size reduction by spray flash evaporation : the case of organic energetic crystals and cocrystals." Thesis, Strasbourg, 2016. http://www.theses.fr/2016STRAE031/document.

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La cristallisation en continu de nanoparticules énergétiques est un défi de longue date. Le Spray Flash Evaporation (SFE) est une technique majeure développée et brevetée en interne, pour la production en continu de matériaux énergétiques submicroniques ou nanométriques ; la technologie se base sur la surchauffe d’un solvant pulvérisé dans le vide et s’évaporant de manière flash. Ce présent travail de recherche a pour but de comprendre et contrôler la cristallisation au sein du procédé SFE. Le RDX et le cocristal CL-20:HMX 2:1 sont étudiés. La sursaturation, concernant le SFE, est une fonction
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Le, Brize Axel. "Etude de la nanostructuration de matériaux énergétiques multi-composants pour application aux poudres propulsives à sensibilités réduites." Thesis, Strasbourg, 2017. http://www.theses.fr/2017STRAE020/document.

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Les travaux de thèse présentés dans ce manuscrit ont porté sur l’élaboration et la caractérisation de poudres propulsives à sensibilités réduites. Ceci a été effectué par l’utilisation de matériaux énergétiques relativement insensibles ainsi que par l’emploi du procédé de Spray Evaporation Flash (SFE). Ce dernier a permis d’obtenir des poudres nanostructurées de composition ternaire. La caractérisation de ces poudres propulsives par spectroscopie Raman a permis de mettre en évidence le mécanisme de plastification de la nitrocellulose par les plastifiants employés. Des analyses de microscopie é
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Book chapters on the topic "Spray Flash Evaporation (SFE)"

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Gärtner, Jan Wilhelm, Daniel D. Loureiro, and Andreas Kronenburg. "Modelling and Simulation of Flash Evaporation of Cryogenic Liquids." In Fluid Mechanics and Its Applications. Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-031-09008-0_12.

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AbstractRocket engine manufacturers attempt to replace toxic, hypergolic fuels by less toxic substances such as cryogenic hydrogen and oxygen. Such components will be superheated when injected into the combustion chamber prior to ignition. The liquids will flash evaporate and subsequent mixing will be crucial for a successful ignition of the engine. We now conduct a series of DNS and RANS-type simulations to better understand this mixing process including microscopic processes such as bubble growth, bubble-bubble interactions, spray breakup dynamics and the resulting droplet size distribution. Full scale RANS simulations provide further insight into effects associated with flow dynamic such as shock formation behind the injector outlet. Capturing these gas dynamic effects is important, as they affect the spray morphology and droplet movements.
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Rees, Andreas, and Michael Oschwald. "Experimental Investigation of Transient Injection Phenomena in Rocket Combusters at Vacuum with Cryogenic Flash Boiling." In Fluid Mechanics and Its Applications. Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-031-09008-0_11.

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AbstractThe substitution of the toxic hydrazine in current high-altitude rocket engines like upper stages or reaction control thrusters by green propellants is a major key driver in the current technology development of rocket propulsion systems. Operating these kind of rocket engines at high-altitude leads to a sudden pressure drop in the liquid propellants during their injection into the combustion chamber with a near-vacuum atmosphere prior to ignition. The resulting superheated thermodynamic state of the liquid causes a fast and eruptive evaporation which is called flash boiling. The degree of atomisation is important for a successful ignition and a secure operation of the rocket engine. The development and operation of a cryogenic high-altitude test bench at DLR Lampoldshausen enables the systematical experimental characterization of cryogenic flash boiling due to its ability to adjust and control the injection parameters like temperature, pressure or geometry. Several test campaigns with liquid nitrogen (LN2) were performed using two optical diagnostic methods: First, flash boiling LN2 spray patterns were visualised by means of high-speed shadowgraphy and, secondly, we determined the droplet size and velocity distributions in strongly superheated LN2 sprays with the help of a laser-based Phase Doppler system (PDA). The experimental data generated within these measurement campaigns provide defined boundary conditions as well as a broad data base for the numerical modelling of cryogenic flash boiling like e.g. the publications [8, 9].
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Schwartz, C., M. Comet, F. Schnell, and D. Spitzer. "The Properties of Detonating Compositions Prepared from Submicron KClO4 and TiH2." In Future Developments in Explosives and Energetics. Royal Society of Chemistry, 2023. http://dx.doi.org/10.1039/9781839162350-00158.

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A new kind of THKP was prepared by combining submicron potassium perchlorate made by the Spray Flash Evaporation (SFE) process with titanium hydride. Spray Flash Evaporation is based on flash evaporation to manufacture nanoparticles. The solvated product is nebulized in a chamber, which is maintained under vacuum, thanks to an atomization nozzle. The sudden fall of pressure induces a flash evaporation of the solvent and then crystallization of the product in the form of nanosized particles. This process was used on potassium perchlorate in order to produce nanosized particles of this product. This new type of potassium perchlorate prepared by SFE shows a particle size ranging from 50 to 400 nm. With this submicron sized potassium perchlorate, a better oxidation of titanium hydride was observed and also a transition to detonation in the THKP. This detonation transition was noted when the THKP is placed in a small diameter tube (3 mm) in loose powder. In the same time, the detonation velocity of this type of THKP increased to a value of approximatively 1250 m/s with a porosity of 86%. In comparison, micron sized potassium perchlorate in THKP tested in the same condition, no transition to detonation was observed and sometimes combustion stops. The sensitivities of THKP prepared with submicron sized potassium perchlorate are relatively high with an impact sensitivity of 44.7 J, a friction sensitivity of 192 N and an electrostatic discharge sensitivity of 34.7 mJ. THKP mixtures prepared from submicron potassium perchlorate can be classified as low-sensitivity primary explosives.
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Schwartz, C., M. Comet, F. Schnell, and D. Spitzer. "The Properties of Detonating Compositions Prepared from Submicron KClO4 and TiH2." In Future Developments in Explosives and Energetics. Royal Society of Chemistry, 2023. http://dx.doi.org/10.1039/9781788017855-00158.

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A new kind of THKP was prepared by combining submicron potassium perchlorate made by the Spray Flash Evaporation (SFE) process with titanium hydride. Spray Flash Evaporation is based on flash evaporation to manufacture nanoparticles. The solvated product is nebulized in a chamber, which is maintained under vacuum, thanks to an atomization nozzle. The sudden fall of pressure induces a flash evaporation of the solvent and then crystallization of the product in the form of nanosized particles. This process was used on potassium perchlorate in order to produce nanosized particles of this product. This new type of potassium perchlorate prepared by SFE shows a particle size ranging from 50 to 400 nm. With this submicron sized potassium perchlorate, a better oxidation of titanium hydride was observed and also a transition to detonation in the THKP. This detonation transition was noted when the THKP is placed in a small diameter tube (3 mm) in loose powder. In the same time, the detonation velocity of this type of THKP increased to a value of approximatively 1250 m/s with a porosity of 86%. In comparison, micron sized potassium perchlorate in THKP tested in the same condition, no transition to detonation was observed and sometimes combustion stops. The sensitivities of THKP prepared with submicron sized potassium perchlorate are relatively high with an impact sensitivity of 44.7 J, a friction sensitivity of 192 N and an electrostatic discharge sensitivity of 34.7 mJ. THKP mixtures prepared from submicron potassium perchlorate can be classified as low-sensitivity primary explosives.
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Conference papers on the topic "Spray Flash Evaporation (SFE)"

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Qiu, Shuyi, Shangning Wang, Xuesong Li, Min Xu, and Mohamed Nour. "Quantitative Analysis of Fuel Film Formation and Evolution Following Spray Impingement." In SAE 2024 Vehicle Powertrain Diversification Technology Forum. SAE International, 2025. https://doi.org/10.4271/2025-01-7045.

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<div class="section abstract"><div class="htmlview paragraph">Flash boiling spray has exhibited remarkable atomization performance by utilizing the sudden alterations in the thermodynamic state of the fluid during injection. The notable evaporation properties of flash boiling spray provide potential remedies for the problem of fuel film adhesion resulting from spray-wall impingement, especially during cold starts in reciprocating engines. Multi-hole injectors, which are often employed, frequently experience spray collapse under flash boiling conditions. The collapsing spray impingi
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Liu, Yifu, Yang Yu, Xinghui Hou, and Zhijun Wu. "Effects of Water Addition on Flash-Boiling Spray of Gasoline and Gasoline/Water Mixtures." In WCX SAE World Congress Experience. SAE International, 2023. http://dx.doi.org/10.4271/2023-01-0307.

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<div class="section abstract"><div class="htmlview paragraph">To improve the thermal efficiency and inhibit the knock tendency of gasoline direct injection (GDI) engines, water injection technology has a bright application prospect. Utilize gasoline/water mixture as a way to realize this technology can lower the cost of modifying the engines and bring potential for better spray qualities. Hence it is essential to give deep insight into the effects of water on spray atomization, evaporation and mixture formation for gasoline/water mixtures. A spray synchronous measurement experiment
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Schmehl, Roland, and Johan Steelant. "Flash-Evaporation of Oxidizer Spray During Start-Up of an Upper-Stage Rocket Engine." In 39th AIAA/ASME/SAE/ASEE Joint Propulsion Conference and Exhibit. American Institute of Aeronautics and Astronautics, 2003. http://dx.doi.org/10.2514/6.2003-5075.

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Shen, Li, and Felix Leach. "Effect of Ambient Pressure on Ammonia Sprays Using a Single Hole Injector." In WCX SAE World Congress Experience. SAE International, 2024. http://dx.doi.org/10.4271/2024-01-2618.

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<div class="section abstract"><div class="htmlview paragraph">Ammonia has received attention as an alternative hydrogen carrier and a potential fuel for thermal propulsion systems with a lower carbon footprint. One strategy for high power density in ammonia applications will be direct injection of liquid ammonia. Understanding the evaporation and mixing processes associated with this is important for model development. Additionally, as a prior step for developing new injectors, it is of interest to understand how a conventional gasoline direct injection (GDI) injector would behave
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Guo, Guangyu, Hongling Deng, Chao Zhu, and Zhiming Ji. "Non-Volatile Fraction Effects in Dispersed Vacuum Spray Flash Evaporation." In ASME 2020 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2020. http://dx.doi.org/10.1115/imece2020-23506.

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Abstract Spray flash evaporation has been widely used in spray cooling and thermal distillation as a technology of heat/mass transfer enhancement. In a vacuum spray flash process, the vapor is instantly extracted by vacuuming, while the supersaturated droplets are further cooled by the continued spray flash until becoming saturated or discharged. Hence, in the evaporator, non-equilibrium exists not only in the flash evaporation driven by the pressure difference between droplet and ambient but also in the temperatures of yields, namely, generated vapor and discharged liquid with or without prec
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Guo, Guangyu, Chao Zhu, and Zhiming Ji. "CFD SIMULATION OF ISOLATED SPRAY FLASH EVAPORATION WITH ACTIVE VAPOR EXTRACTION." In 5th Thermal and Fluids Engineering Conference (TFEC). Begellhouse, 2020. http://dx.doi.org/10.1615/tfec2020.fip.032143.

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Wang, Huihui, Dan Zhang, Shuran Zhao, and Jiping Liu. "Experimental Study on Evaporation properties during Spray Flash of Aqueous NaCl Solution." In The 5th World Congress on Momentum, Heat and Mass Transfer. Avestia Publishing, 2020. http://dx.doi.org/10.11159/enfht20.171.

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Ji, Can, Lin Cheng, Naihua Wang, and Zhigang Liu. "SYSTEM DESIGN AND EXPERIMENTAL INVESTIGATION ON HIGHTEMPERATURE AND HIGH-PRESSURE SPRAY FLASH EVAPORATION." In International Heat Transfer Conference 16. Begellhouse, 2018. http://dx.doi.org/10.1615/ihtc16.mpf.023342.

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Chen, Hao, Min Xu, Gaoming Zhang, Ming Zhang, and Yuyin Zhang. "Investigation of Ethanol Spray From Different DI Injectors by Using Two-Dimensional Laser Induced Exciplex Fluorescence at Potential Cold-Start Condition." In ASME 2010 Internal Combustion Engine Division Fall Technical Conference. ASMEDC, 2010. http://dx.doi.org/10.1115/icef2010-35090.

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The spray evaporation of gasoline and ethanol fuel was investigated qualitatively through the use of the planar laser induced exciplex fluorescence (PLIEF) technique in a constant volume chamber. The effect of fuel temperature and ambient pressure on spray evaporation was identified over a range of conditions. Both a swirl injector and a multi-hole injector were examined for each of the two fuels. A coevaporative mixture of benzene and triethylamine (TEA) was used as a fluorescent seeding material to study the evaporation processes of ethanol fuel. A mixture of fluorobenzene (FB) and diethylme
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Golliher, Eric L., and Shi-chune Yao. "Exploration of Impinging Water Spray Heat Transfer at System Pressures Near the Triple Point." In ASME 2013 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/imece2013-66872.

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The heat transfer of a water spray impinging upon a surface in a very low pressure environment is of interest to cooling of space vehicles during launch and re-entry, and to industrial processes where flash evaporation occurs. At very low pressure, the process occurs near the triple point of water, and there exists a transient multiphase transport problem of ice, water and water vapor. At the impingement location, there are three heat transfer mechanisms: evaporation, freezing and sublimation. A preliminary heat transfer model was developed to explore the interaction of these mechanisms at the
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