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A two-evaporator compression refrigeration system, as shown in the figure, uses R-134a as the working fluid. The system operates with evaporator 1 at 3Â°C, evaporator 2 at -27Â°C, and the condenser at 800 kPa. The refrigerant is circulated through the compressor at a rate of 0.12 kg/s, and the low-temperature evaporator serves a cooling load of 10 kW. Considering the refrigerant is saturated liquid at the exit of the condenser and saturated vapor at the exit of each evaporator, and the compresso

A two-evaporator compression refrigeration system, as shown in …

2023年12月7日

A two-evaporator compression refrigeration system as shown in Fig. P 11-120 E uses refrigerant- 134 a as the working fluid. The system operates evaporator 1 at 30^∘ F, evaporator 2 at -29.5^∘ F, and the condenser at 160 psia. The cooling load of evaporator 1 is double that of evaporator 2 . Determine the cooling load of both evaporators per unit of flow through the compressor, as well as the COP of this system. The refrigerant is saturated liquid at the exit of the condenser and saturated vapor

A two-evaporator compression refrigeration system as shown in …

10 个月之前

VIDEO solution:A two-evaporator compression refrigeration system as shown in Fig. P11-114E uses refrigerant-134a as the working fluid. The system operates evaporator 1 at 30^∘ F evaporator 2 at -29.5^∘ F, and the condenser at 160 psia. The cooling load of evaporator 1 is double that of evaporator 2 Determine the cooling load of both evaporators per unit of flow through the compressor, as well as the COP of this system. The refrigerant is saturated liquid at the exit of the condenser and saturate

VIDEO solution:A two-evaporator compression refrigeration syste…

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Consider a two-stage cascade refrigeration system operating between the pressure limits of 1.2 MPa and 200 kPa with refrigerant-134a as the working fluid. The refrigerant leaves the condenser as a saturated liquid and is throttled to a flash chamber operating at 0.45 MPa. Part of the refrigerant evaporates during this flashing process, and this vapor is mixed with the refrigerant leaving the low-pressure compressor. The mixture is then compressed to the condenser pressure by the high-pressure co

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