The property data for a steady state vapor-compression refrigeration cycle with refrigerant 134a as the working fluid aregiven in the table below. The refrigeration capacity of the cycle is 9.4 tons and the refrigerant mass flow rate is 12.4 kg/min.Determine the net changes in flow exergy rate of the refrigerant passing through the evaporator A (Ed) evap and condenserA(Ed) cond, both in kW. Let po = 1 bar, To = 24°C.(a) A (Ed) evap= Ex: 7.77kW(b) A (Ed) cond= Ex: 0.999kWT3, P3 = P2==Qout32State p (bar) T (°C) h (kJ/kg) s (kJ/kg. K)wwwP21 1.4-10.0 243.40.960627.064.0 300.81.030337.024.0 82.900.311341.4-18.8 82.900.33014==ExpansionvalveP4 PlEvaporatorwwCondenserCompressorWT₁, Pim

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Answered: The property data for a steady state…

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

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Problem 1.1MA

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What are the four processes that make up the simple ideal vapor compression refrigeration (VCR) cycle? Make sure you mention what is physically happening during each process Themodynamics question. please explain briefly.Thank you
The LiBr-water absorption cycle shown in the Fig. 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? (b) What are the rates of heat transfer at each of the components, and the COP? High-pressure vapor Solution 105 Generator Heat Pump Monog Heat Condenser Throttling Expansion valve valve Low-pressure vapor Heat Absorber Evaporator Heat
Refrigerant-134a is used in a heat pump operating according to an ideal cycle with vapor compression. The flow rate of the refrigerant is 0.32kg/s. Condenser and evaporator pressures are 900kPa and 200kPa, respectively. Calculate a) the heat given to the hot environment from the cycle, b) the volumetric flow rate of the refrigerant at the compressor inlet, c) the heating efficiency coefficient.
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Refrigerant 22 is the working fluid in a Carnot vapor refrigeration cycle for which the evaporator temperature is -30°C. Saturated vapor enters the condenser at 36°C, and saturated liquid exits at the same temperature. The mass flow rate of refrigerant is 10 kg/min. Determine the refrigeration capacity, in tons, (A) 7.4 B 6.6 C) 6.9 D 6.4
An NH; vapor compression refrigeration system has a condensing temperature of 25°C and an evaporating temperature of -10°C. The refrigerating capacity is 7 tons. If the suction vapor was superheated from -10°C to 10 C, Determine: a) refrigerant flow rate; b) Volumetric flow at compressor suction; c) theoretical power required; d) Heat rejected in the condenser; e) Refrigerating Effect; f) COP
Can you also show the T-s and P-h diagrams? A Single Stage Vapor Compression (SSVC) refrigeration system has a cooling capacity of 6 tons. The discharge of the evaporator is at -20°C & 0.1 MPa and the discharge of the condenser is at 30°C & 1.0 MPa. Determine the following: (a) the COP of the system, (b) the Energy Efficiency Ratio in kJ/hr/W, (c) the HP/ton of the system, (d) the Refrigerating Efficiency of the system.
Refrigerant 22 is the working fluid in a Carnot vapor refrigeration cycle for which the evaporator temperature is -30°C. Saturated vapor enters the condenser at 36°C, and saturated liquid exits at the same temperature. The mass flow rate of refrigerant is 10 kg/min. Determine the power input to the compressor, in kW, (A) 6.72 (B) 5.35 7.76 3.51 D
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Data for steady-state operation of a vapor-compression refrigeration cycle with Refrigerant 134a as theworking fluid are given in the table below. State 1 is at the compressor inlet. The cooling capacity (i.e therate at which heat is removed from the cooled space) is 4.6 tons. 1 ton of refrigeration is equivalent to211 kJ/min. Ignoring heat transfer between the compressor and its surroundings, sketch the ?-? diagramof the cycle and determinea) the mass flow rate of the refrigerant, in kg/min.b) the isentropic compressor efficiency.c) the coefficient of performance.State ? (bar) ? (°C) ℎ (kJ/kg) ? (kJ/kg-K)

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