Experimental Study on Single-Phase Gas Flow in Microtubes

被引：4
|
作者：
Zhang, T. T. [1 ,2 ,3 ]
Jia, L. [2 ]
Li, C. W. [2 ]
Yang, L. X. [2 ]
Jaluria, Y. [1 ]
机构：
[1] Rutgers State Univ, Dept Mech & Aerosp Engn, Piscataway, NJ 08854 USA
[2] Beijing Jiaotong Univ, Sch Mech & Elect Control Engn, Beijing 100044, Peoples R China
[3] China Three Gorges Corp, Planning & Strateg Dev Dept, Yichang 443002, Peoples R China
来源：
JOURNAL OF HEAT TRANSFER-TRANSACTIONS OF THE ASME | 2011年 / 133卷 / 11期
基金：
中国国家自然科学基金;
关键词：
microtube; compressibility; viscous heating; temperature field; HEAT-TRANSFER CHARACTERISTICS; GASEOUS FLOWS; FLUID-FLOW; MICROCHANNEL; COMPRESSIBILITY;
D O I：
10.1115/1.4004391
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
An experimental system for single-phase gas flow in microtubes has been developed. The effects of viscous heating and compressibility on the flow and temperature field were studied for a wide range of governing parameters. Also, an analytical/numerical model of the flow was developed. Numerical results for the flow and heat transfer in the slip flow region were found to agree quite well with the experimental data, lending support to the model. The study provides greater physical insight into and understanding the effects of viscous dissipation and compressibility in microtube flow and the associated heat transfer. In addition, the combined experimental and numerical simulation approaches of the process can be used for control and optimization of systems based on microtube heat transfer. [DOI: 10.1115/1.4004391]
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页数：6
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