A new method to select appropriate countermeasures against heat-island effects according to the regional characteristics of heat balance mechanism

Kiyoshi Sasaki, Akashi Mochida, Hiroshi Yoshino, Hironori Watanabe, Tomohiro Yoshida

Research output: Contribution to journalArticlepeer-review

15 Citations (Scopus)

Abstract

This study aims at clarifying the regional heat balance characteristics in an urban space of a city. CFD analyses of mesoscale climates of Tokyo, Sendai and Haramachi were carried out. The influence of regional characteristics on urban climates was examined, based on the results of CFD analyses, by considering the heat balance mechanism in the central part of each city. It was confirmed that the factors greatly contributing to air temperature increasing and decreasing in each city was different. Furthermore, the spatial distribution of heat budget inside Sendai city was drawn, as "Heat Balance Map". The map illustrated the areas where influence of sea breeze was significant in contrast with heat generated from ground surfaces and anthropogenic heat release in this city.

Original languageEnglish
Pages (from-to)1629-1639
Number of pages11
JournalJournal of Wind Engineering and Industrial Aerodynamics
Volume96
Issue number10-11
DOIs
Publication statusPublished - 2008 Oct 1

Keywords

  • CFD analyses
  • Heat Balance Map
  • Heat balance mechanism
  • Regional characteristics
  • Sea breeze
  • Urban climates

ASJC Scopus subject areas

  • Civil and Structural Engineering
  • Renewable Energy, Sustainability and the Environment
  • Mechanical Engineering

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