A parametric approach for the study of heat flow between street canyon and the atmosphere

Eusuf, Muhammad Abu and Salleh, Wira Md. Noor and Mamun, Abdullah Al and M., Adnan and Sabeek Eusuf, M.S.R. and Rahman, Mohammed Ataur and Ibrahim, Mansor (2018) A parametric approach for the study of heat flow between street canyon and the atmosphere. Planning Malaysia: Journal of the Malaysian Institute of Planners, 16 (2). pp. 50-61. ISSN 1675-6215 E-ISSN 0128-0945

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Abstract

This paper presents the investigation results of the convective heat flow behaviour among the top of an urban street canyon and overlying atmosphere using a numerical model together with available field measurement data in variable geographical and meteorological conditions. It finds that the heat flow structure characterizes the street canyon have a strong relationship with narrowness index, outside wind velocity and latitude of the study area. The increase of the narrowness index and consequently, reduction of the sky-view factor leads to the diminution of heat flow exchange. The temperature of canyon surfaces in smaller narrowness index (n) decreases quickly to the lower degree than the temperature of the surface with larger (n) one. The increase of wind velocity outside of canyon makes this convective heat exchange flow higher, and cooler the street canyon. A parametric approach was established to evaluate this convective heat exchange flow based on the narrowness index, the latitude of the city and outside wind velocity.

Item Type:	Article (Journal)
Additional Information:	3634/67171
Uncontrolled Keywords:	street canyon, narrowness index, convective heat flux
Subjects:	N Fine Arts > NA Architecture T Technology > TA Engineering (General). Civil engineering (General) T Technology > TA Engineering (General). Civil engineering (General) > TA170 Environmental engineering. Sustainable engineering T Technology > TC Hydraulic engineering. Ocean engineering
Kulliyyahs/Centres/Divisions/Institutes (Can select more than one option. Press CONTROL button):	Kulliyyah of Architecture and Environmental Design Kulliyyah of Engineering > Department of Civil Engineering Kulliyyah of Architecture and Environmental Design > Department of Architecture Kulliyyah of Engineering
Depositing User:	Dr. Engr. Muhammad Abu Eusuf
Date Deposited:	31 Oct 2018 10:14
Last Modified:	31 Dec 2018 17:19
URI:	http://irep.iium.edu.my/id/eprint/67171

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