Study on dualsource gas internalcombustion engine heating systems

Puts forward a dualsource heating system with gas internalcombustion engine as thermal power equipment and establishes a mathematical model of economic evaluating indexes for this system. Applying it to an actual case, analyses the main factors—the environmental temperature, the COP of heat pump, the generating efficiency of gas internalcombustion generator—that influence the economic evaluating indexes of the system. Under certain conditions, the operating economic efficiency of this system is higher than that of natural gasfired central heating boiler systems.