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

页码：811 / 819

页数：9

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