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학교교실 천정매입형 히트펌프의 최적 토출각도 선정에 관한 연구 KCI 등재후보

A Study on the Establishment of an Optimum Diffusion Angle for a Built-In Type Heat Pump at Classroom

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한국실내환경학회지 (Journal of Korean Society for Indoor Environment)
한국실내환경학회 (Korean Society for Indoor Environment)
초록

teacher s efficiency is an important factor. Recently, some schools installed an air conditioner in classroom, while most schools selected the built-in type air conditioner. However, the study on a valuation of thermal environment is not sufficient, especially in classroom. It is insufficient that the study is a valuation of thermal environment which considered valuation about indoor thermal environment diffusion angle and air volume. In this work, the change of thermal environment was investigated for five kinds of air diffusion angle(15∘, 30∘, 45∘, 60∘, 90∘) for ceiling type air conditioner. The vector and temperature distributions of air in the room were calculated by a 3-dimensional numerical method. This study was also conducted to calculate the Mean Age of Air and Predicted Mean Vote(PMV). This analysis showed that 30-45° is the optimum angle of diffusion in cooling mode and in heating mode.

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