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A lab-based study of subground passive cooling system for indoor temperature control

Chok, Mun-Hong and Chan, Chee-Ming (2017) A lab-based study of subground passive cooling system for indoor temperature control. AIP Conference Proceedings, 1903 (080015). pp. 1-6. ISSN 15517616

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Abstract

Passive cooling is an alternative cooling technique which helps to reduce high energy consumption. Respectively, dredged marine soil (DMS) is either being dumped or disposed as waste materials. Dredging works had resulted high labor cost, therefore reuse DMS as to fill it along the coastal area. In this study, DMS chosen to examine the effectiveness of passive cooling system by model tests. Soil characterization were carried out according to BS1377: Part 2: 1990. Model were made into scale of 3 cm to 1 m. Heat exchange unit consists of three pipe designs namely, parallel, ramp and spiral. Preliminary tests including flow rate test and soil sample selection were done to select the best heat exchange unit to carry out the model test. Model test is classified into 2 conditions, day and night, each condition consists of 4 configurations which the temperature results are determined. The result shows that window left open and fan switched on (WO/FO) recorded the most effective cooling effects, from 29 °C to 27 °C with drop of 6.9 %.

Item Type: Article
Subjects: T Technology > TH Building construction > TH7005-7699 Heating and ventilation. Air conditioning
Divisions: Faculty of Engineering Technology > Department of Civil Engineering Technology
Depositing User: Mr. Mohammad Shaifulrip Ithnin
Date Deposited: 30 Apr 2019 01:08
Last Modified: 30 Apr 2019 01:08
URI: http://eprints.uthm.edu.my/id/eprint/11045
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