Problem 08.036E-DEPENDENT MULTI-PART PROBLEM - ASSIGN ALL PARTS - Refrigerant Constant Volume System NOTE: This is a multi-part question. Once an answer is submitted, you will be unable to return to this part. A 17-ft3 rigid tank contains refrigerant-134a at 30 psia and 55 percent quality. Heat is transferred now to the refrigerant from a source at 120°F until the pressure rises to 50 psia. Assume the surroundings to be at 75°F. Problem 08.036E.b - Exergy Destroyed for Refrigerant Constant Volume System Determine the exergy destroyed during this process. The exergy destroyed during this process is [ Btu.

Problem 08.036E-DEPENDENT MULTI-PART PROBLEM - ASSIGN ALL PARTS - Refrigerant Constant Volume System NOTE: This is a multi-part question. Once an answer is submitted, you will be unable to return to this part. A 17-ft3 rigid tank contains refrigerant-134a at 30 psia and 55 percent quality. Heat is transferred now to the refrigerant from a source at 120°F until the pressure rises to 50 psia. Assume the surroundings to be at 75°F. Problem 08.036E.b - Exergy Destroyed for Refrigerant Constant Volume System Determine the exergy destroyed during this process. The exergy destroyed during this process is [ Btu.

Principles of Heat Transfer (Activate Learning with these NEW titles from Engineering!)

8th Edition

ISBN:9781305387102

Author:Kreith, Frank; Manglik, Raj M.

Publisher:Kreith, Frank; Manglik, Raj M.

Chapter6: Forced Convection Over Exterior Surfaces

Section: Chapter Questions

Problem 6.8P

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1.1 Determine the electrical power supplied to a boiler when the temperature of the enteringwater is 20 C and the exiting temperature is 89 C. The flow of.the pressured water is 2 Kg/s. There is anegligible pressure drop through this boiler and it operates at a constant pressure of 3 bars. The specificheat is c = 4,370 J/(Kg K). There is a 1.5(105) W rate of heat loss from the boiler during this process to asurrounding at 293.2 k. Consider steady state conditions.1.2 Calculate the total rate of entropy production in Problem 1.1.1.3 Calculate the total rate of exergy destruction (W) in Problem 1.1. The dead statetemperature is 293.2 K and pressure is 1 bar.1.4 Calculate the mass flowrate of fuel (natural gas, CH4) required to heat the water flow to theconditions of problem 1.1 if the electrical heating device is replaced with a gas fired boiler. The highheating value (HHV) of the fuel is 50.02 MJ/kg.1.5 Calculate the exergy destroyed in the process described by problem 1.4. The exergy…