Experimental and numerical investigation of a cross flow air-to-water heat pipe-based heat exchanger used in waste heat recovery

被引：60

作者：

Ramos, Joao ^{[1
]}

Chong, Alex ^{[1
]}

Jouhara, Hussam ^{[2
]}

机构：

[1] Univ South Wales, Fac Comp Engn & Sci, Pontypridd CF37 1DL, M Glam, Wales

[2] Brunel Univ London, RCUK Ctr Sustainable Energy Use Food Chains, Coll Engn Design & Phys Sci, Inst Energy Futures, Uxbridge UB8 3PH, Middx, England

来源：

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

基金：

英国工程与自然科学研究理事会;

关键词：

Heat pipe; Heat exchanger; CFD modelling; Heat recovery; THERMAL PERFORMANCE; CLOSED THERMOSIPHON; VENTILATION AIR; DESIGN; SYSTEM; SIMULATION;

D O I：

10.1016/j.ijheatmasstransfer.2016.06.100

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

This paper applies CFD modelling and numerical calculations to predict the thermal performance of a cross flow heat pipe based heat exchanger. The heat exchanger under study transfers heat from air to water and it is equipped with six water-charged wickless heat pipes, with a single-pass flow pattern on the air side (evaporator) and two flow passes on the water side (condenser). For the purpose of CFD modelling, the heat pipes were considered as solid devices of a known thermal conductivity which was estimated by experiments conducted on the exact same heat pipe configuration under an entire testing range. The CFD results were compared with the experimental and the numerical results and it was found that the modelling predictions are within 10% of the experimental results. (C) 2016 Elsevier Ltd. All rights reserved.

引用

页码：1267 / 1281

页数：15

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