Numerical Simulation of Droplets Impacting on a Liquid Film with a Vapor Bubble Growing
A numerical model of multiphase flow is developed to investigate the relative contributions of droplet parameters to spray cooling heat transfer. The 2-D model takes into account the effects of surface tension, gravity and viscosity. The heat and mass exchanges of free surface are defined to study v...
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Published in | Chinese physics letters Vol. 31; no. 1; pp. 106 - 109 |
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Main Author | |
Format | Journal Article |
Language | English |
Published |
2014
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Subjects | |
Online Access | Get full text |
ISSN | 0256-307X 1741-3540 |
DOI | 10.1088/0256-307X/31/1/014701 |
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Abstract | A numerical model of multiphase flow is developed to investigate the relative contributions of droplet parameters to spray cooling heat transfer. The 2-D model takes into account the effects of surface tension, gravity and viscosity. The heat and mass exchanges of free surface are defined to study vapor bubble behavior in liquid films. The multiphase flow and heat transfer are discussed for the three droplet parameters: initial droplet position, initial droplet temperature, and droplet impact frequency. The heat transfer mechanisms of the three cases are discussed in detail. |
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AbstractList | A numerical model of multiphase flow is developed to investigate the relative contributions of droplet parameters to spray cooling heat transfer. The 2-D model takes into account the effects of surface tension, gravity and viscosity. The heat and mass exchanges of free surface are defined to study vapor bubble behavior in liquid films. The multiphase flow and heat transfer are discussed for the three droplet parameters: initial droplet position, initial droplet temperature, and droplet impact frequency. The heat transfer mechanisms of the three cases are discussed in detail. A numerical model of multiphase how is developed to investigate the relative contributions of droplet parameters to spray cooling heat transfer. The 2-D model takes into account the effects of surface tension, gravity and viscosity. The heat and mass exchanges of free surface are defined to study vapor bubble behavior in liquid films. The multiphase how and heat transfer are discussed for the three droplet parameters: initial droplet position, initial droplet temperature, and droplet impact frequency. The heat transfer mechanisms of the three cases are discussed in detail. |
Author | 侯燕 陶毓伽 淮秀兰 |
AuthorAffiliation | Institute of Engineering Thermophysics, University of Chinese Academy of Sciences, Beijing 100190 University of Chinese Academy of Sciences, Beijing 100049 |
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CitedBy_id | crossref_primary_10_1016_j_applthermaleng_2016_06_176 |
Cites_doi | 10.1016/j.advwatres.2011.06.009 10.1115/1.4001857 10.1016/j.ijheatmasstransfer.2004.10.026 10.1016/j.enconman.2007.07.046 10.1016/j.ijheatmasstransfer.2006.05.009 10.1115/1.4004348 10.1007/s00348-005-0044-2 10.1115/1.1418365 10.1115/1.3220142 10.1115/1.2822684 10.1016/j.ijheatmasstransfer.2006.01.024 |
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Notes | 11-1959/O4 A numerical model of multiphase flow is developed to investigate the relative contributions of droplet parameters to spray cooling heat transfer. The 2-D model takes into account the effects of surface tension, gravity and viscosity. The heat and mass exchanges of free surface are defined to study vapor bubble behavior in liquid films. The multiphase flow and heat transfer are discussed for the three droplet parameters: initial droplet position, initial droplet temperature, and droplet impact frequency. The heat transfer mechanisms of the three cases are discussed in detail. HOU Yan, TAO Yu-Jia, HUAI Xiu-Lan(1 fnstitute of Engineering Thermophysics, University of Chinese Academy of Sciences, Beijing 100190 2 University of Chinese Academy of Sciences, Beijing 100049) ObjectType-Article-1 SourceType-Scholarly Journals-1 ObjectType-Feature-2 content type line 23 |
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References | 11 12 13 14 An Z C (5) 2004; 25 Selvam R P (9) 2005; 746 Selvam R Pand Ponnappan R (10) 2004 1 2 3 4 6 7 8 |
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Snippet | A numerical model of multiphase flow is developed to investigate the relative contributions of droplet parameters to spray cooling heat transfer. The 2-D model... A numerical model of multiphase how is developed to investigate the relative contributions of droplet parameters to spray cooling heat transfer. The 2-D model... |
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SubjectTerms | 2-D模型 Bubbles Droplets Gravitation Heat transfer Liquid films Mathematical models Multiphase Spray cooling 传热机理 多相流动 数值模拟 气泡生长 液滴 液膜 蒸汽 |
Title | Numerical Simulation of Droplets Impacting on a Liquid Film with a Vapor Bubble Growing |
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