패키지형 히트펌프 시스템이 적용된 실의 난방 시 드래프트에 의한 재실자 쾌적 특성 = Characteristics of Occupants′ Comfort related to Draft during the Heating Operation in the Space with Packaged Terminal Heat Pump System

다국어 초록 (Multilingual Abstract)

Packaged terminal heat pump systems, which are mainly used in small- and medium-sized buildings, are known to be cost-effective and thermally comfortable heating and cooling equipment. However, in practice, the issues of inefficient energy use as well as thermal discomfort have been discussed. Simplified design and application processes of packaged terminal heat pump systems can cause occupant thermal discomfort. In this study, the actual characteristics of occupant thermal comfort related to draft were analyzed during the operation of packaged terminal heat pump systems. Indoor thermal environment was evaluated by an Effective Draft Temperature(EDT) equation. The result shows that thermal discomfort occurred since 4-way type heat pump system is applied without careful consideration of the air temperature, velocity and indoor air distribution.

참고문헌 (Reference)

1 Lee, J., "Theoretical Study on the diffuser and indoor air distribution" 22 (22): 34-44, 2005

2 Moon, E., "Analysis on Thermal Comfort Related to Draft in Small and Medium-sized Building with Heat Pump HVAC System" 34 (34): 189-190, 2014

3 ASHRAE, "ASHRAE Handbook: Fundamentals, American Society of Heating"

4 Shin, B., "A Study on the Thermal Comfort by the Diffusion Direction with Ceiling Type Air Conditioner in Winter" 1199-1204, 2002

5 Kang, K., "A Field Measurement for Indoor Thermal Environment and Thermal Comfort of Occupant in Office building controlled by Multi-System Air-conditioner" 89-94, 2012