2. An ideal RANKINE cycle delivers 210 MW of power. Steam enters the turbine at 10 MPa and500C and is cooled in a condenser at 10 kPaa. Determine the thermal efficiency of this cycleb. Mass flow of waterc. Heat rejected in the condenserd. Work inputted to the pump (remember the volume is constant)e. Quality of the Steam at the turbine exit

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Answered: 2. An ideal RANKINE cycle delivers 210…

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

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An ideal RANKINE cycle delivers 210 MW of power. Steam enters the turbine at 10 MPa and500C and is cooled in a condenser at 10 kPaa. Determine the thermal efficiency of this cycleb. Mass flow of waterc. Heat rejected in the condenserd. Work inputted to the pump (remember the volume is constant)
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 At this point the steam is withdrawn and passes through a reheater.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.
In a Rankine Cycle, steam enters the turbine at 2.5 MPa and condenser of 50KPa.What is the thermal efficiency of the cycle?
A thermal power plant operates such that the steam exits boiler at 4 MPa, 400C and the condenser pressure is 10 kPa. The efficiency of the turbine and pump is 85% and 90% respectively. a. Draw the plant PFD (Process Flow Disgram) and the process Ts diagram and calculate quality of steam discharge from the turbine as well as the plant's thermal efficiency. b. If the plant produces 300MW of net power, - What is the steam flowrates in kg/hr? - If the plant uses natural gas as a fuel, determine the flowrate of NG in MMSCMD. State the reference for your data. - If the plant uses coal as a fuel, determine the amount of coal required (tonne per annum). State the reference for your data and all your assumptions. c. How much power required by the pump in kW? Is this the real power required by the pump? Explain d. Find the heat rejected in the condenser and evaluate the thermal efficiency using this value. e. The heat rejected to surrounding is through a cooling water system from a nearby ocean.…
A power plant operating in a Reheat Rankine Cycle produces steam at 3 MPa, 600oC in the boiler. It keeps the condenser at 45oC by transfer of 10 MW out as heat transfer. The first turbine section (high-pressure) expands to 500 kPa and then flow is reheated followed by the expansion in the low-pressure turbine. Provide a detailed solution. Avoid shortcuts. Determine the mass flow rate (kg/s)
At 10kPa pressure and dryness degree x=0.90, the steam coming out of the turbine goes to the pump with adiabatic efficiency of 0.85 after condensing in the condenser. The pump sends the condensed water to the steam boiler with a working pressure of 8MPa. a) Find the h.T values of the inlet points of the condenser, pump and boiler b) Since the flow rate of the condensed water is 9000 kg/h, find the load of the condenser c) Find the power of the pump
1. Determine the Rankine efficiency of a condensing steam turbine operating in a Rankine cycle as follows: Steam pressure - 200 psiaSteam temperature - 1000 FExhaust pressure - 2 in Hg absoluteSteam rate - 1.5 lb/kW-hr 2. If the no. 1 problem has a thermal efficiency of 30%, how many barrels of 30 °API fuel oil will be required to produce 1000 kW-hr of power. Neglect the pump work.
A power plant operating in a Reheat Rankine Cycle produces steam at 3 MPa, 600oC in the boiler. It keeps the condenser at 45oC by transfer of 10 MW out as heat transfer. The first turbine section (high-pressure) expands to 500 kPa and then flow is reheated followed by the expansion in the low-pressure turbine. Provide a detailed solution. Avoid shortcuts. Show how much is the net power output (kW)
Reference Book: Introduction to Chemical Engineering Thermodynamics by Smith, Van Ness, etc. 7th or 8th Ed.
A steam power plant operating on a simple ideal Rankine cycle maintains the boiler at 6000 kPa, turbine inlet at 600°C, and condenser at 50 kPa. Calculate and Compare the thermal efficiency of this cycle when a) It is operated in such a way that the liquid enters the pump as saturated liquid at the pressure of the pump. condenser. b) It is operated in such a way that the liquid enters the pump 11.3 °C colder than a saturated liquid. at condenser pressure. c) Plot the process from a) on a T-s diagram.
An Ideal Reheat Cycle , steam enters the high pressure turbine at 750 psia and 800F and leaves at 100 psia. It is then reheated to 800F, passes through the low pressure turbine and exhausts to a condenser at 1 psia. Find the thermal efficiency of the cycle in %. From Steam Table h1 =1401.5 Btu/lb h2 =1189.96 Btu/lb h3 =1429.8 Btu/lb h4 = 1031.13 Btu/lb h5 = 69.72 Btu/lb h6 = 72.09 Btu/lb (include the diagram)
A power plant operating in a Reheat Rankine Cycle produces steam at 3 MPa, 600oC in the boiler. It keeps the condenser at 45oC by transfer of 10 MW out as heat transfer. The first turbine section (high-pressure) expands to 500 kPa and then flow is reheated followed by the expansion in the low-pressure turbine. Provide a detailed solution. Avoid shortcuts. Solve for the High-Pressure and Low-Pressure Turbines work output (kJ/kg)

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