1997•Journal of Architecture and Planning (Transactions of AIJ)Open access

EXPERIMENTAL STUDY ON PRE-HEATED COLD FRESH OUTDOOR AIR SUPPLY THROUGH CRAWL SPACE WITH VERTICAL EDGE INSULATION : Passive ventilation strategy and systems in cold region Part 1

Akira Fukushima, Mutsuaki MIYAURA, Masamichi ENAI, Satoshi Doi

Abstract

Ventilation system for single family house supplying cold fresh outdoor air through crawl space with vertical edge insulation is presented and discussed through experimental study on the experimental house in Sapporo in this paper. Results are as follows; 1) Stable ventilation rate and fresh air intake can be gotten by this system in winter under the condition of condensed housing area. 2) Low temperature caused by cold air intake to crawl space is limited to small area around the air intake opening in the space 3) A little influences on indoor thermal condition such as floor surface temperature by cold fresh outdoor air supply through crawl space is found during heating season.

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Key concepts: Ventilation (architecture), Fresh air, Environmental science, Cold winter, Air space, Meteorology, Cold weather, Room air distribution