Question

In a steam power plant, the steam turbine develops 1 MW. The heat supplied to the steam in the steam boiler is 2800 kJ/kg. The heat rejected to the cooling water in the steam condenser is 2100 kJ/kg and the boiler feed pump power is 5 kW. What is the mass flow rate of steam in kg/s? 

          In a steam power plant, the steam turbine develops 1 MW. The heat supplied to the steam in the steam boiler is 2800 kJ/kg. The heat rejected to the cooling water in the steam condenser is 2100 kJ/kg and the boiler feed pump power is 5 kW. What is the mass flow rate of steam in kg/s?
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University Physics with Modern Physics
University Physics with Modern Physics
Hugh D. Young 14th Edition
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In a steam power plant, the steam turbine develops 1 MW. The heat supplied to the steam in the steam boiler is 2800 kJ/kg. The heat rejected to the cooling water in the steam condenser is 2100 kJ/kg and the boiler feed pump power is 5 kW. What is the mass flow rate of steam in kg/s?
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Transcript

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00:01 Given that the turbine develops power, the turbine power is 1000 kilowatt where heat supplied, heat supplied to the steam, to steam in the boiler is 2800 kilojoule per kg and heat rejected by the steam, rejected by steam to the condenser is 2100 kilojoule per kg and work of the pump, work of pump is equal to 5 kilo watt.
00:50 So here we are going to find out the steam flow rate.
00:53 We will put the formula integration of q is equal to integration of w, the heat integration will be the integration of the work which is equal to m naught q in minus of q out is equal to work done by turbine minus work done or the power of the pump...
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