Novel ventilation cooling system for reducing air conditioning in buildings. Part I: Testing and theoretical modelling

Turnpenny, John, Etheridge, D.W. and Reay, D.A. (2000) Novel ventilation cooling system for reducing air conditioning in buildings. Part I: Testing and theoretical modelling. Applied Thermal Engineering, 20 (11). pp. 1019-1037. ISSN 1359-4311

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Abstract

A latent heat storage unit incorporating heat pipes embedded in phase change material (PCM) is developed and tested for a novel application in low energy cooling of buildings. A one-dimensional mathematical model of the heat transfer from air to PCM is presented to allow sizing of a test unit. Details of the construction and testing of one heat pipe/PCM unit in a controlled environment are described, and measurements of heat transfer rate and melting times are presented. When the difference between air and PCM temperature was 5 °C, the heat transfer rate was approximately 40 W over a melt period of 19 h. The heat transfer rate could be improved, and the phase change time shortened, with an alternative design for finning of the heat pipe inside the PCM.

Item Type: Article
Uncontrolled Keywords: air conditioning,buildings,energy conservation,heat pipes,heat storage,heat transfer,mathematical models,ventilation,phase change materials (pcm),cooling systems
Faculty \ School: Faculty of Science > School of Environmental Sciences
University of East Anglia > Faculty of Arts and Humanities > Research Groups > Political, Social and International Studies
Depositing User: Pure Connector
Date Deposited: 03 Dec 2013 14:52
Last Modified: 21 Apr 2020 22:19
URI: https://ueaeprints.uea.ac.uk/id/eprint/45021
DOI: 10.1016/S1359-4311(99)00068-X

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