Dr.Safaa Hameed Faisal Power Plant Engineering Lectures Q5// For simple Rankine cycle, the steam used by the turbine is 5.4 kg/kWh at a pressure of 50 bar and a temperature of 350°C. The efficiency of the boiler is 82% with feed water at 150 °C. a- How many kg of coal are required per kWh? The Calorific value of fuel is 28100KJ/kg. b-if the cost of coal is 10$ per ton, then what is the fuel cost per kWh.

Dr.Safaa Hameed Faisal Power Plant Engineering Lectures Q5// For simple Rankine cycle, the steam used by the turbine is 5.4 kg/kWh at a pressure of 50 bar and a temperature of 350°C. The efficiency of the boiler is 82% with feed water at 150 °C. a- How many kg of coal are required per kWh? The Calorific value of fuel is 28100KJ/kg. b-if the cost of coal is 10$ per ton, then what is the fuel cost per kWh.

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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2. An electrical power plant that uses the Rankine cycle has a pump to increase the water pressure and multiply it by 50. In addition, there is a boiler whose fuel has a calorific value of 35 MJ/kg. The water that enters the process has a temperature of 60 °C and is at atmospheric pressure. The steam that leaves the turbine has a quality of 70% and the work generated in the turbine is 300 MW. a. How much water is needed to run the plant? b. What is its efficiency?
turbine turbine Reheater (4 Boiler P4= P5 = Prcheat Pump Condenser The following data was given for a steam power plant operating on the ideal reheat Rankine cycle. 3-4: Inlet steam at 17.5 MPa and 600 °C 6-1: inlet steam at a pressure of 11.16 kPa at a wetness fraction of 0 1 At state 1, the specific volume is 0.00101 m/kg Find the pressure in bar at state 6 to 3 decimal places
High-P turbine Low-P turbine Reheater (4) Boiler P4 = P5 = Preheat Pump Condenser The following data was given for a steam power plant operating on the ideal reheat Rankine cycle. 3-4: Inlet steam at 17.5 MPa and 600 °C 6-1: inlet steam at a pressure of 11.16 kPa at a wetness fraction of 0.1. At state 1, the specific volume is 0.00101 m3/kg Find the temperature in degree C at state 4 to 2 deciamal places.
Known: The data provided at the principal states of a thermal power plant. Assume an Ideal Rankine Cycle. (a) Explain about the general theory about the thermal power plant? (b) Formulate to determine the work done by the pump, and also formulate the work done by the turbine? (c) Evaluate the amount of heat supplied to the steam, and also determine the thermal efficiency of the cycle? Conditions: The steam enters into the turbine at a Pressure of 24 bar & 400°C and the exhaust steam is enter into the condenser at a pressure of 0.1 bar. Scheme and given data: Boiler 24 bar & 400°C Turbine 0.1 bar Condenser
For a given actual Rankine Cycle, the actual turbine work serves as the input in determining the isentropic turbine efficiency. True or False
A generator uses a gas turbine cycle. Air enters the compressor at a pressure of 1 bar and a temperature of 30°C with a compressor efficiency of 0.85. Hot gas exits the combustion chamber at a pressure of 9 bar and a temperature of 900°C. The power generated by the turbine is 2400 kW with a turbine efficiency of 0.82. a. Draw installation diagrams and T-s cycle process diagramd b. Determine the work of the compressor and turbine and the mass rate of the air requirement c. Cycle thermal efficiency (air: Cp=1,005 kJ/kg. K dan γ=1.4; Gas hot: cp=1,005 kJ/kg K and γ=1.4)
A=83 B=87
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