3. [3 Consider a Rankine cycle with reheat as shown in the diagram, with state properties as specified in the table. Ignore kinetic and potential energy effects. a. Sketch this cycle on a T-s diagram (label all states). Label each process (such as pump, condenser, etc.) on the T-s diagram. Determine the work from the high- pressure turbine per mass flow rate, in Btu/lb. b. C. d. 10] Determine the thermal efficiency of the cycle. Find the isentropic turbine efficiency for the high-pressure turbine. e. State 1 2 3 4 5 6 Pressure (psi) 1400 100 100 1 1 1400 Quality Superheated steam Superheated steam Superheated steam 0 Compressed liquid Temperature (°F) 1300 600 900 101.7 101.7 101.7 Qin Enthalpy (Btu/lb) 1669.6 1329.3 1480.5 1105.8 69.74 73.918 Reheat section mus W₂ High- pressure- turbine Steam generator Pump Entropy (Btu/lb.°R) 1.7192 1.7582 1.8838 2 1.9779 0.1327 0.1327 Condenser Low-pressure turbine Lout

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Basic Thermodynamic Processes

The word 'thermodynamics' can be divided into two words, 'thermo' and 'dynamics'. The word thermo deals with the heat and thermal phenomenon, whereas dynamics deals with forces or external agent that drives the heat flow or aids in the motion of heat.