Evaluation of the use of different dedicated mechanical subcooling (dms) strategies in a water source transcritical co2 heat pump for space heating applications

SUMMARY

As the critical temperature of the CO2 is relatively low, in a heat pump for water heating applications, CO2 operates in a transcritical regime. This means that the pump will either work in a subcritical thermodynamic cycle if the temperature of the water to be heated is relatively low, or in a transcritical or supercritical thermodynamic cycle if the temperature of the water to be heated is higher. Gu and Deng studied the feasibility of using urban wastewater heat as a heat source in a water to water heat pump. According to, shell-and-tube heat exchangers . . .

 



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