Condensation heat transfer and multi-phase pressure drop of CO2 near the critical point in a printed circuit heat exchanger

被引：29

作者：

Bae, Seong Jun ^{[1
]}

Kwon, Jinsu ^{[1
]}

Kim, Seong Gu ^{[1
]}

Son, In-woo ^{[1
]}

Lee, Jeong Ik ^{[1
]}

机构：

[1] Korea Adv Inst Sci & Technol, Dept Nucl & Quantum Engn, 373-1 Guseong Dong, Daejeon 305701, South Korea

来源：

INTERNATIONAL JOURNAL OF HEAT AND MASS TRANSFER | 2019年 / 129卷

关键词：

Supercritical carbon dioxide cycles; Heat transfer; Pressure drop; Homogeneous equilibrium models; CO2 two-phase flow; SUPERCRITICAL CARBON-DIOXIDE; TRANSCRITICAL RANKINE-CYCLE; BRAYTON CYCLE; 2-PHASE FLOW; GENERAL CORRELATION; POWER CYCLE; TUBE; PERFORMANCE; SMOOTH; TEMPERATURE;

D O I：

10.1016/j.ijheatmasstransfer.2018.10.055

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

In this study, condensation heat transfer and multi-phase pressure drop of CO2 near the critical point are investigated occurring in a Printed Circuit Heat Exchanger (PCHE) for a supercritical CO2 power cycle application in mind. Homogeneous Equilibrium Model (HEM) approach is used to evaluate and develop appropriate heat transfer and pressure drop correlations. The experiment was performed with the CO2 test facility called SCO2PE (Supercritical CO2 Pressurizing Experiment) in KAIST. The heat transfer and pressure drop test was conducted with the PCHE in the facility. Existing correlations were compared to the test data and a new set of correlations was necessary to be developed. A new set of correlations is newly suggested in this paper which captures physical characteristics reasonably well. (C) 2018 Elsevier Ltd. All rights reserved.

引用

页码：1206 / 1221

页数：16

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