Two-phase flow pattern map for R170 in a horizontal smooth tube

被引：32

作者：

Zhuang, Xiaoru ^{[1
,2
]}

Gong, Maoqiong ^{[1
]}

Chen, Gaofei ^{[1
]}

Zou, Xin ^{[1
]}

Shen, Jun ^{[1
]}

机构：

[1] Chinese Acad Sci, Tech Inst Phys & Chem, State Key Lab Technol Space Cryogen Propellants, Beijing 100190, Peoples R China

[2] Univ Chinese Acad Sci, Beijing 100049, Peoples R China

来源：

INTERNATIONAL JOURNAL OF HEAT AND MASS TRANSFER | 2016年 / 102卷

基金：

中国国家自然科学基金;

关键词：

Flow pattern; Flow pattern map; R170; Horizontal tube; Two-phase; CONDENSATION HEAT-TRANSFER; PARALLEL MICRO-CHANNELS; PART; PRESSURE-DROP; MIXTURE; REGIMES;

D O I：

10.1016/j.ijheatmasstransfer.2016.06.094

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

An experimental investigation of two-phase flow patterns and their transitions for R170 in a horizontal smooth tube was presented. The tests were conducted at various saturation pressures from 1.5 MPa to 2.5 MPa for different mass fluxes from 100 kg m(-2) s(-1) to 250 kg m(-2) s(-1) over the entire vapor quality range. The effects of mass flux and saturation pressure on two-phase flow pattern transitions were investigated and analyzed. The physical properties of velocity, viscosity and surface tension are important to the flow pattern transition criteria under our experimental conditions. Several two-phase flow pattern maps in horizontal tubes were compared with the experimental data. Finally, a new flow pattern map for R170 in a horizontal tube based on the Kim et al. (2012) map was carried out. (C) 2016 Elsevier Ltd. All rights reserved.

引用

页码：1141 / 1149

页数：9

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