Calculate the irreversibility for the process described in Problem 4.210E, assuming that t...

Calculate the irreversibility for the process described in Problem 4.210E, assuming that the heat transfer is with the surroundings at 61 F.

Problem 4.210

A nitrogen line, 540 R, 75 lbf/in.2 is connected to a turbine that exhausts to a closed, initially empty tank of 2000 ft3, as shown in Fig. P4.137. The turbine operates to a tank pressure of 75 lbf/in.2, at which point the temperature is 450 R. Assuming the entire process is adiabatic, determine the turbine work.

FIGURE P4.137