Research of refrigeration system for a new type of constant temperature hydraulic tank

Different from the traditional hydraulic oil cooling method , a new type of constant temperature oil tank cooling system based on semiconductor refrigeration technology is designed .This paper stud-ies the principle of semiconductor refrigeration and establishes a heat transfer model .Semiconductor cooler on piping refrigeration is simulated , and influence of the parameters on the outlet tempera-ture, such as pipe pressure difference of inlet and outlet , pipe length, pipe radius, are gotten, and then hydraulic tank semiconductor refrigeration system is proposed .The semiconductor refrigeration system can control temperature at 37 ±1°C.