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This paper, MATALAB was used to simulate series-connecting of the ground-source heat pump and the solar collector. Firstly, the simulation models of heat pump unit, ground heat-exchanger and solar collector were established. Secondly, the dynamic simulation model of combined heating system under series-connecting mode was obtained through the established sub-models and mutual coupling relations. Finally,...
In order to reduce air-conditioning energy consumption of original computer room, an isolated heat exchange system is added to Beijing Unicom computer room. The steady-state model of the heat exchange system is built using mechanism modeling method according to actual operating data and the basic principles of heat transfer process. The optimal operating point of the system is obtained with the help...
This paper presents an advanced switched model approach for vapor compression cycle (VCC) systems with shut-down and start-up operations. Building upon recent work [2], a full dynamic system model with switched moving-boundary components is presented that is able to accommodate severe transients in heat exchanger dynamics. These new switched heat exchanger models are created with uniform model structures,...
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