Question Refergration system Q(2): The LiBr-water absorption cycle shown in the Fig. below operates at the following temperatures: generator, 105°C; condenser, 35°C, evaporator, 5°C; and absorber, 30°C. The flow rate of solution delivered by the pump is 0.4 kg/s. (a) What are the mass flow rates of solution returning from the generator to the absorber and of the refrigerant? Ans. Refrigerant flow rate- 0.093 kg/s (b) What are the rates of heat transfer at each of the components, and the COPabs? Ans. Refrigerating capacity 220 kW High-pressure vapor Solution Heat GeneratorHeat Condenser Throttling valve Expansion valve Low-pressure vapor Heat Absorber EvaporatorHeat Pump

Saturation pressure of wator at 35^(@)C=5.63kpa saturation press of water at s^(@)C=0.874kpa (evaporator)(a) At the Generator, Li-Br water solution From Fig 15.3 below at 10^(@)C,5.63kpa=>x_(2)=70%Lithium bromide in solution, % by massFig.15.3: Pressure-Temperature-Concentration diagram for H_(2)O - LiBr solutionAt the absorber Li-Br water solution From Fig 15.3 below at 30^(@)C,0.874kpa=>x_(1)~=54.1.Lithium bromide in solution, % by masslet quadm_(1)=LiBr-water solution deliverd by pump {:[m_(2)=" Solution returning from generator to "],[" absorber. "]:}m_(3)= refrigerant mass flow rateBy Total mass flow balancem_(2)+m_(3)=m_(1)=0.4kg//sBy Li-Br mass Balance{:[m_(1)x_(1)=m_(2)x_(2)],[0.4(0.54)=m_(2)(0.7)],[m_(2)=0.3086kg//s]:}:. Flow rate of solietion =m_(2)=0.3086kg//sFlow rate of refrigerant =m_(3)=m_(1)-m_(2){:[= ... See the full answer