トレンチ内敷設ダクトによる地中熱・間接利用効果の検討

従来型の地中熱・直接利用例との比較を通じて

抄録

In recent years, as the need for development of low-carbon architecture increases, practical use of the natural energy that surrounds buildings is attracting attention. Heat/cool trench systems make use of one such natural energy, subterranean heat. These systems reduce the fresh air load by introducing outside air through trench that pass beneath the bottom floor-slab before blowing the air indoors. This study involves a year-round measurement survey of outside air and indoor outlet temperature of indirect and direct subterranean heat use systems. The thermal effect of an indirect subterranean heat use system is evaluated through comparison between both.