DSMC simulation of gas heat transfer between coaxial cylinders | |
Song H(宋航); Yang C(杨超); Sun QH(孙泉华) | |
2019 | |
会议日期 | 23 July 2018 ~ 27 July 2018 |
会议地点 | University of StrathclydeGlasgow; United Kingdom; |
英文摘要 | How to reduce the heat loss caused by heat conduction of gas between coaxial cylinders is of vital importance. The problem is widely presented in the oil transportation pipeline and the solar parabolic trough receiver, where hydrogen percolation is inevitable. One of the most common methods is to fill with inert gas, such as argon and xenon. In this work, several factors affecting the heat loss in the coaxial cylinders are studied using the DSMC method, including the wall thermal accommodation coefficient, wall temperature, gas composition, and number density of the gas mixture. After determining argon as the filling gas, the effect of different combinations of the argon and hydrogen densities on the heat flux was studied, and an empirical formula was proposed to evaluate the heat flux of the Ar-H2 mixture. © 2019 Author(s). |
会议录 | AIP Conference Proceedings
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语种 | 英语 |
URL标识 | 查看原文 |
ISBN号 | 9780735418745 |
内容类型 | 会议论文 |
源URL | [http://dspace.imech.ac.cn/handle/311007/85090] ![]() |
专题 | 力学研究所_高温气体动力学国家重点实验室 |
作者单位 | 1.State Key Laboratory of High Temperature Gas Dynamics, Institute of Mechanics, CAS, Beijing, 100190, China 2.School of Engineering Science, University of Chinese Academy of Sciences, Beijing, 100049, China |
推荐引用方式 GB/T 7714 | Song H,Yang C,Sun QH. DSMC simulation of gas heat transfer between coaxial cylinders[C]. 见:. University of StrathclydeGlasgow; United Kingdom;. 23 July 2018 ~ 27 July 2018. |
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