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An air-conditioning absorption system has an evaporator capacity of 350 kW with a COP of 0.90 operating at a temperature of 25 C with a

An air-conditioning absorption system has an evaporator capacity of 350 kW with a COP of 0.90 operating at a temperature of 25 C with a condensing temperature of 35 C. The same cooling tower was used to reject the heat from the condenser and the absorber operating 45 C & providing 1 kg/s of water plus lithium bromide solution to the generator. Consider the heat rejection ratio of condenser to evaporator is 1.05, Determine the following: 1. Heat given by the generator & the size of condenser in kW 2. Leaving condenser & evaporator enthalpies & the mass of refrigerant water flowing from the generator to the condenser then to the evaporator & to the absorber (using evaporator heat balance). 3. Weight of lithium bromide in kg/s, concentration in percent & enthalpy from the absorber to the generator in kJ/kg 4. Enthalpy from the generator to condenser in kJ/kg (using condenser heat balance) & concentration in percent & enthalpy from generator to absorber (using generator heat balance). 5. Capacity of the absorber in kW & generator temperature, C. 6. Draw the absorption system & numbering all line processes indicating all heat exchangers with temps., line enthalpies, kJ/kg & mass of water + lithium bromide supplied to the generator in kg/s, mass of lithium bromide supplied to the absorber, mass of water going to the condenser, evaporator & absorber.

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