: *COP > 1…. If the heat transfer into a refrigeration system is 278 kJ/s and the work of the cycle is 325 kJ/s, then what is the efficiency of the refrigeration system? View
: What is the mass flow rate of a refrigeration fluid with a density of 1136 kg/m^3, a volume flow rate of 0.015 cm^3 / s? View
: Find the approximate efficiency of a combined cycle with 40% electricity out of both the Rankine and Brayton cycles. View
: Determine the back work ratio given the following fictional specific enthalpies used in the previous problem: h_1 = 300 kJ/kg, h_2 = 580 kJ/kg, h_3 = 1460 kJ/kg, h_4 =750 kJ/kg. (Assume that state 1 is the entrance to the compressor, state two is between the compressor and the burner, state 3 is between the burner and the turbine and state 4 is the exit of the turbine) View
: Determine the efficiency given the following fictional specific enthalpies: h_1 = 300 kJ/kg, h_2 = 580 kJ/kg, h_3 = 1460 kJ/kg, h_4 =750 kJ/kg. (Assume that state 1 is the entrance to the compressor, state two is between the compressor and the burner, state 3 is between the burner and the turbine and state 4 is the exit of the turbine) View
: What is the efficiency of a Brayton Cycle if the specific work into the compressor is 330 kJ/kg and the specific work out of the turbine is 675 kJ/kg and the specific heat transfered into the heat exchanger is 580 kJ/kg? View
