A reheater cycle with two stages of reheating is executed with steam expanding initially from 20.111 Mpa and 540oC. The pressures of two heaters are 3.2111 Mpa and 0.85111 Mp, and the steam leaves each reheater at 540oC. Condensation occurs at 70oC. Calculate W, ec and ee.

A turbine is supplied with steam at 25 BAR, 42C and exhaust into a condenser at 55 KPa. Find the thermal efficiency of the cycle. Draw the schematic and T-S diagrams with corresponding labels. (Clear handwritten and step by step solution)

5. ANSWER A AND B WITH CLEAN SOLUTIONS AND WITH FREE BODY DIAGRAM

In a reheat cycle steam at 15 MPa, 540 degrees Celsius enters the engine and expands to 1.95 MPa. At this point the steam is withdrawn and passes through a reheater. It reenters the engine at 540 degrees Celsius. Expansions now occur to the condenser pressure of 0.0035 MPa. Find the efficiency.

If air enters the adiabatic turbine at 227 degree C and 1500kpa. Final pressure would reach 100kpa, and efficiency of turbine at 85%. What is final temperature and final work? Cv is 0.719kJ/kg.K, cp is 1.007kj/kg.k. Pls sketch two processes of T-S diagram

Superheated steam at 18 MPa, 560 °C enters the steam turbine. The pressure at the exit of the turbine is 0.06 MPa and saturated liquid water leaves the condenser at 0.06 MPa. Pressure is increased to 18 MPa again after the pump. Find: (a) Sketch the process on a T-s diagram. (b) The net work per unit of steam flow in kJ/kg. (c) Heat transfer to steam passing through the boiler, in kJ/kg.

A steam turbine is supplied with steam at 20.6 bar and 95°C of superheat and expand to 0.0343 bar. Steam is bled of 4.9, 1.373, and 0.275 bar, the bled steam being cascaded from heater to heater until it discharges through a drain cooler to the condenser. Assuming that the turbine expansion is isentropic and the drain cooler raises the combined heater condensate to condenser temperature, determine the following: The thermal efficiency in percentile. The steam consumption of kg per kW·hr without feed heating.