Transcription of University of Oklahoma
{{id}} {{{paragraph}}}
Example: tourism industry
University of Oklahoma
1. A steam power plant operates on a simple ideal Rankine cycle between the specified pressure limits. The thermal efficiency of the cycle, the mass flow rate of the steam, and the temperature rise of the cooling water are to be determined. Assumptions 1 Steady operating conditions exist. 2 Kinetic and potential energy changes are negligible. Analysis (a) From the steam tables (Tables A-4, A-5, and A-6), ()()()kJ/kg 1kJ 1kPa 107,000/kgm .81191in,1233121in,3kPa 10 @1kPa 10 @1=+=+== = =====ppffwhhPPwhhvvv ()()kJ/kg 10 KkJ/kg 744443443333=+=+== = = == == ==fgffgfhxhhsssxssPshTP qin qout 10 kPa 13 24 7 MPa s Thus, kJ/kg = == = == = =qqwhhqhhq and (b) skg 036/.kJ/kg 45,000netnet===wWm&& (c) The rate of heat rejection to the cooling water and its temperature rise are ()( )()( ) = == ===CkJ/kg 2000kJ/s 70,586)(kJ/s ,58670kJ/kg 2. A steam power plant that operates on the ideal reheat Rankine cycle is considered.
1. A steam power plant operates on a simple ideal Rankine cycle between the specified pressure limits. The thermal efficiency of the cycle, the mass flow rate of the steam, and the temperature rise of the cooling water
Information
Domain:
Source:
Link to this page:
Please notify us if you found a problem with this document: