New printed circuit heat exchanger with S-shaped fins for hot water supplier

被引：204
|
作者：
Ngo, Tri Lam [1 ]
Kato, Yasuyoshi [1 ]
Nikitin, Konstantin [1 ]
Tsuzuki, Nobuyoshi [1 ]
机构：
[1] Tokyo Inst Technol, Nucl Reactors Res Lab, Meguro Ku, Tokyo 1528550, Japan
来源：
EXPERIMENTAL THERMAL AND FLUID SCIENCE | 2006年 / 30卷 / 08期
关键词：
printed circuit heat exchanger; supercritical CO2; hot water supplier; waste heat recovery; overall heat transfer coefficient; pressure drop;
D O I：
10.1016/j.expthermflusci.2006.03.010
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
A new PCHE with an S-shaped fin configuration was applied to a hot water supplier in which cold water of 7 degrees C is warmed to 90 degrees C through heat-exchange with supercritical CO2 of 118 degrees C and 11.5 MPa pressure. The fin and plate configurations were determined using 3D CFD simulations for the CO2 side and H2O side and the thermal-hydraulic performance of hot water supplier was evaluated. Compared with a hot water supplier that is currently used in a residential heat pump, the new PCHE provides about 3.3 times less volume; and lower pressure drop by 37% in the CO2 side and by 10 times in H2O side. (C) 2006 Elsevier Inc. All rights reserved.
引用
收藏
页码：811 / 819
页数：9
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