Compared with R22 refrigerant and R410A refrigerant used in traditional household air conditioners,R32 refrigerant is environmentally friendly,and R32 refriger-ant has better refrigeration performance than R410A,which contributes to the miniaturi-zation of system design.Due to the large refrigerating capacity per unit volume of R32 re-frigerant,R32 system has higher requirements for the flow design of condenser.In this paper,the flow path of R32 refrigerant air conditioning condenser is designed and opti-mized by the method of system simulation and experimental test,and the performance of refrigeration and heating is optimized by the variable shunting design.
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