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난방 및 급탕 부하를 고려한 태양열 온수 급탕 시스템의 시뮬레이션 해석
장환영(H.Y. Jang),김병기(B.G. Kim),서정세(J.S. Suh) 대한기계학회 2006 대한기계학회 춘추학술대회 Vol.2006 No.11
This paper is to simulate a solar water heating system under the several patterns of heat load by the dynamic simulation code(TRNSYS). This system consists of evacuated solar collector, a water-storage tank, an electronic heater, pump, controller, auxiliary heater and so on. The results of simulations will be presented on an annual data base for a Active Solar System, which provides domestic heating & hot water for a four-person family. The simulation model is used to evaluate the annual variation of annual energy performance, the solar fraction with respect to demand hot water temperature required, difference of space heating temperature and preset storage tank water temperature, and consumption profile of the domestic hot water demand.
실내 설정온도에 따른 태양열 냉난방 시스템의 동적 거동 해석
장환영(H.Y. Jang),이상범(S.B. Lee),정경택(K.T. Chung),서정세(J.S. Suh) 대한기계학회 2007 대한기계학회 춘추학술대회 Vol.2007 No.5
The thermal behavior of a building in response to heat input from an active solar space heating system is analysed to determine the effect of the variable storage tank temperature on the cycling rate, on and off temperature of a heating cycle and on the comfort characteristics of room air temperature. A computer simulation of the system behavior has been performed and verified by comparisons with various parameters. Especially, this study is focused on the effect of the system's performance when subjected to dynamic cooling loads. The heat input to the absorption system is provided by an array of solar collectors that coupled to a thermal storage tank.
난방 및 급탕 부하를 고려한 태양열 온수 급탕 시스템의 시뮬레이션 해석
장환영(H.Y. Jang),김병기(B.G. Kim),서정세(J.S. Suh) 대한기계학회 2006 대한기계학회 춘추학술대회 Vol.2006 No.11
This paper is to simulate a solar water heating system under the several patterns of heat load by the dynamic simulation code(TRNSYS). This system consists of evacuated solar collector, a water-storage tank, an electronic heater, pump, controller, auxiliary heater and so on. The results of simulations will be presented on an annual data base for a Active Solar System, which provides domestic heating & hot water for a four-person family. The simulation model is used to evaluate the annual variation of annual energy performance, the solar fraction with respect to demand hot water temperature required, difference of space heating temperature and preset storage tank water temperature, and consumption profile of the domestic hot water demand.