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Dual-stage carbon-dioxide cooling device regulating method, involves increasing preset valve for increasing cooling performance, and providing control algorithm for optimal pressure based on part loading control
Dual-stage carbon-dioxide cooling device regulating method, involves increasing preset valve for increasing cooling performance, and providing control algorithm for optimal pressure based on part loading control
The method involves modularly opening or closing control valves by changing intermediate pressure in secondary flow paths, where the valves are arranged behind respective sub cooler. A preset valve (34) arranged behind a gas cooler (4) is lowered for reducing cooling performance of pressure, by changing compressed final pressure of an upper layer. The preset valve is increased for increasing the cooling performance still an optimal pressure is reached between the performance and a driving performance. A control algorithm is provided for the optimal pressure based on a part loading control.
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