Performance Analysis of Direct Expansion Solar Assisted Heat Pump Using Typical Meteorological Year

Cheonkyu Lee; Hyo Jae Jeong

doi:10.7836/kses.2022.42.4.015

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2022 Vol.42, Issue 4 Preview Page Next Page

Research Article

Performance Analysis of Direct Expansion Solar Assisted Heat Pump Using Typical Meteorological Year 표준기상 데이터 적용 냉매 직팽식 태양열 히트펌프 성능 분석

30 August 2022. pp. 15-31

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Abstract

Typical meteorological year (TMY) data can be used in various fields and, based on their reliability, in various industrial areas. For example, the operability of a solar-assisted thermal heat pump, which is an integrated system, largely depends on weather conditions. Furthermore, accurate TMY data are essential for the quantitative designing of heating and cooling systems, which use direct climatic heat sources such as solar and air heat. Herein, a rule of thumb for analyzing the system efficiency of a direct expansion solar-assisted heat pump (DXSAHP) with seasonal variation is proposed. The solar heat collected by the solar absorber was analyzed based on the TMY data, and the heat pump system was evaluated considering the aforementioned solar heat, ambient temperature, and compressor efficiency. Accordingly, this paper presents a detailed numerical analysis of the DXSAHP for three different regions with TMY data in South Korea, namely, the cold (Daegwanryeong), normal (Daejeon) and warm (Jeju) districts. A detailed analysis of the operational performance of the DXSAHP, such as heating performance, work input, and heating COP, was conducted by applying the monthly average climatic conditions recorded in the TMY data.

Keywords

Solar Thermal

Direct Expansion Solar Assisted Heat Pump

Solar Irradiance

Typical Meteorological Year

Coefficient of Performance

키워드

태양열

냉매 직팽식 히트 펌프

일사량

표준기상년

성적계수

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Information

Publisher :Korean Solar Energy Society
Publisher(Ko) :한국태양에너지학회
Journal Title :Journal of the Korean Solar Energy Society
Journal Title(Ko) :한국태양에너지학회 논문집
Volume : 42
No :4
Pages :15-31
Received Date : 2022-03-25
Revised Date : 2022-06-03
Accepted Date : 2022-06-24
DOI :https://doi.org/10.7836/kses.2022.42.4.015

Journal of the Korean Solar Energy Society ISSN:1598-6411(Print) 2508-3562(Online) 한국태양에너지학회 논문집

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