Heating and Cooling Hybrid System with Gas Mixture Sourced Heat Pump and Heating Boiler  

作　　者：S. Egnatosyan Z. Melikyan 

机构地区：[1]Yerevan State University of Architecture and Construction, Yerevan 0009, Armenia

出　　处：《Journal of Energy and Power Engineering》2011年第11期1021-1029,共9页能源与动力工程（美国大卫英文）

摘　　要：Preliminary investigation shows that air sourced type heat pumps by energy efficiency are competitive with gas boilers having 93% of coefficient of performance （COP） if heat pumps are used in climatic zones, having outside air temperature higher than （-3 ℃ to -5 ℃）. But, in such conditions the heat pump＇s evaporator is covered by ice crust, which cuts off the flow of outside air-heat source through the evaporator of heat pump. For avoiding stating problems it is recommended to use as heat source a mixture of waste warm gases. In this article a high efficiency heating-cooling system is developed, consisting of warm gases mixture sourced heat pump, heating boiler operating simultaneously with heat pump and solar air heater. The heating demand of the served house is shared between boiler and heat pump. Instead of outside air the warm gases mixture enters into evaporator of heat pump. A new construction of heat exchanger was developed. The article presents the structure and principle of operation, as well as the method for optimization and design of suggested system. Analysis proved high energy efficiency and cost effectiveness of the new system.

关 键 词：GAS MIXTURE heat pump BOILER hybrid system HEATING cooling. 

分 类 号：TK018[动力工程及工程热物理] TU831.4[建筑科学—供热、供燃气、通风及空调工程]