How many tons of refrigeration are required to do this?
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- Q3/ A refrigeration unit of 20 T.R uses R-12 as a refrigerant and works between evaporating and condensing (10 degree) temperature of -20 °C and 37 °C. The vapor leaves the evaporator saturated and the liquid leaves the condenser saturated also. Find out the change of; (a) Mass flow rate of refrigerant, (b) Power consumed, (c) Volumetric efficiency, and (d) Piston displacement in the following to cases (i) The evaporation temperature is decreased to -27 °C due to a change of product while the condensing temperature is still constant, (ii) The condensing temperature is increased to 45 °C due to a change of outside conditions while the evaporating temperature is still constant at -20 °C.Sea water for cooling enters a condenser at 32℃ and leaves 42℃. The Condenser temperature 65℃, Calculate LMTD. ANSWER: 28℃The evaporator of a refrigeration system is to be maintained at-12°C.If degree superheat is 7℃, find the temperature of refrigerant entering the compressor.
- I need the answer as soon as possibleplease answer all and with complete solutions. thank you.A commercial refrigeration system with refrigerant R-134a as working fluid is used to keep the refrigerated space at -25 °C by rejecting waste heat to cooling water that enters the condenser at 15 °C as saturated liquid, as shown in Figure Q3, leaves at 30 °C as saturated liquid as well and flow rate is 1080 kg/h. The refrigerant enters the compressor at 500 kPa and leaves at 1.4 MPa and 68 °C. The pressure drop inside the condenser is 86 % and the density is 200 kg/m³. Determine : Q3 (i) refrigerant mass flow rate, (ii) compressor power input, (iii) the refrigerant load, (iv) coefficient of performance (COP), and (v) COP Carnot refrigerant system and compressor power input at minimum temperature
- Q.2: A refrigeration system using refrigerant 22 is to have a refrigerating capacity of 80 kW. The cycle is a standard vapor-compression cycle in which the evaporating temperature 42°C. -8°C and the condensing temperature (a) Determine the volume flow of refrigerant measured in cubic is meters inlet at the to the compressor. second per (b) Calculate the power required by the compressor. (c) At the entrance to the evaporator what is the fraction of vapor in the mixture.A refrigeration system with a capacity of 10 tons of refrigeration, operates at 210 kPa in the evaporator, while in the condenser it is 800 kPa. If R-134a refrigerant is in a saturated state, calculate the theoretical power required to operate the compressor. Compressor power = .... kWFor a 10-ton-capacity refrigeration system, the pressure of refrigerant in the evaporator is 150 kPa, whereas in the condenser it is 950 kPa. If refrigerant R-134a is used under saturated conditions, calculate the theoretical power required to operate the compressor = ... KW
- A refrigeration system with a capacity of 10 tons of refrigeration, operates at 210 kPa in the evaporator, while in the condenser it is 850 kPa. If R-134a refrigerant is in a saturated state, calculate the theoretical power required to operate the compressor. Compressor power = ... W.A cooling system capacity Fifteen ton refrigeration, operating at 150 kPa in the evaporator, while in the condenser is 950 kPa. If refrigerant R-134a is in saturated conditions, calculate the power theoretical required to operate compressor. Power Compressor...kW.Need awnser I give you like for awnser