1, Consider a steam power plant that operates on an ideal reheat Rankine Cycle.The Plant maintains the boiler at 8MPa, the reheat section at 700kPa.and the condenser at 10kPa. The mixture quality at the exit of both turbines is 93%. Determine the temperature at the inlet of each turbine .

Please solve part d, e and F only

A medium size power station is used to produce 30 MW net power for arefinery. The station uses steam as the operating fluid and operatesaccording to the Carnot cycle between the pressure limits of 0.4 bar and35 bar. Steam enters the boiler as a saturated liquid and leaves it as adry saturated vapour.   (i) Calculate the thermal efficiency of the power station if theisentropic efficiency of the steam turbine is 94%. (ii) State main disadvantages of using the Carnot cycle as the basis fora power station. (iii) State the name of the cycle that is used in practice in powerstations, along with three key benefits over the Carnot cycle.

3 (a) A simple Rankine cycle uses water as the working fluid (Figure Q3). IA 9 in 4s 4 gout Figure Q3. Rankine Cycle The boiler operates at 7,000 kPa and the condenser at 100 kPa. At the entrance to the turbine, the temperature is 450 °C. The isentropic efficiency of the turbine is 90%, pressure and pump losses are negligible, and the water leaving the condenser is subcooled by 9.6 °C. The boiler is sized for a mass flow rate of 20 kg/s. Determine, (i) The rate at which heat is added in the boiler, (ii) The power required to operate the pumps, (iii) The net power produced by the cycle, (iv) The thermal efficiency. (b) After a long walk in the 14 °C outdoors, a person wearing glasses enters a room at 25°C and 60% relative humidity. (i) What is the difference between specific and relative humidity? (ii) Please explain whether the glasses will become fogged or not and why. An

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A steam power plants operates between a boiler pressure of 40 bar and a condenser pressure of 0.04 bar. If steam entry to the turbine with dry saturated calculate for a carnot cycle : i. Sketch the T-s diagram ii. Find T1 and T2 iii. Find h1 and h2 iv. Calculate the efficiency Carnot cycle

Please show how to solve the following : Cycle pump power requirement ,Turbine power production ,Cycle efficiency

Q3] A steam power plant operates on the reheat Rankin Cycle. Steam enters the high-pressure turbine at 10 MPa and 600 C and leaves at 2MPa. Steam is reheated at constant pressure to 450 C before it expanded in the low-pressure turbine. Steam leaves the low-pressure turbine at 1 bar and leave the condenser as a saturated liquid. Determine the 1- The work of each turbine 2 Boiler 2- The work of pump 1 3- The cycle's thermal efficiency. Pump 4- Draw T-S Diagram 3 5 HPT LPT Condenser 6

In a reheat cycle steam at 15 Mpa, 540°C enters the engine and expands to 1.95 Mpa. At this point the steam is withdrawn and passed through a reheater. It reenters the engine at 540°C. Expansion now occurs to the condenser pressure of 0.0035 Mpa. (a) For the ideal cycle, find ee (b) A 60,000 kW turbine operates between the same state points except that the steam enters the reheater at 1.95Mpa and 260°C, departs at 1.8 Mpa and 540°C. The steam flow is 147,000 kg/hr; generator efficiency is 96%. For actual engine, ek, mk, and nk, (c) Determine the approximate enthalpy of the exhaust steam if the heat lost through the turbine casing is 2% of the combined work.4. Steam at 200 bar, 760°C enters the thrott

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)