Chapter 9, Problem 9.19P

When a steam boiler generates saturated steam at 2.5 mpa and the condenser pressure is 20 kpa, what is the Rankine cycle efficiency?Show complete step-by-step process and solution.

In a reheat cycle steam at 550°C expands in an h.p. turbine till it is saturated vapour. It is reheated at constant pressure to 450°C and then expands in a I.p. turbine to 40°C. If the maximum moisture content at turbine exhaust is limited to 10%, find (a) the reheat pressure, (b) the boiler pressure, c) the net specific work output,plss give info as much as possible

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A reheat steam cycle has 13500 kPa throttle pressure at the turbine inlet and 2800 kPa reheat pressure. The throttle and reheat temperature of the steam is 540°C. The condenser pressure is 3.4 kPa. Find the cycle thermal efficiency in %. Note: At 13.5 MPa, tsat = 333.88 deg C, s, 3.5921 kJ/kg-K, Sg 5.4022 kJ/kg-K.

Draw the schematic diagram for regenerative vapour power cycle with 2 steam blades. Represent the complete process in T-S diagram

A reheater cycle is executed of 1kg steam expanding initially from 12.356 Mpa and 540.356oC. The reheater pressures are 2.5356 MPa and the steam leaves the reheater at 420.356oC. Condensation occurs at 0.02356 Mpa. Calculate W, ec and ee.

Steam is delivered to turbine at 5.4 Mpa and 600C. Before condensation at 31C, steam is extracted for feedwater heating at 0.6 Mpa. For an ideal regenerative cycle, find the thermal efficiency. (Attach your T-S and schematic diagram of this problem)

A reheat steam cycle has 13,580 kPa of throttle pressure at the turbine inlet and a 37.50308414 atm reheat pressure, the throttle and reheat temperature of the steam is 1302 R, condenser pressure is 4.3 kPa, find the following:a. Thermal Efficiency in percentb. Heat Rejected in kJ/kg  Consider the Problem no. 3, if the efficiency at high – pressure and low – pressure turbine is 76% and 75%, respectively, calculate the following:a. Net Work in BTU/lbb. Quality After Turbine Expansion in percent

Reheat steam has 2000 psia throttle pressure at the turbine inlet and 410 kPa reheat pressure, the throttle and reheat temperature of the steam is 1010 F, condenser pressure is 0.50 psia, engine efficiency of high pressure and low pressure is 75%. Find the cycle thermal efficiency.