Thermodynamics filled in class notes_Part_29

Thermodynamics filled in class notes_Part_29 - 2.9....

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Unformatted text preview: 2.9. STIRLING 65 Now one can calculate the cycle efficiency: = 1 u 4 u 1 h 3 h 2 , (2.443) = 1 parenleftBig 1011 . 98 kJ kg parenrightBig parenleftBig 205 . 756 kJ kg parenrightBig parenleftBig 2733 . 15 kJ kg parenrightBig parenleftBig 933 . 15 kJ kg parenrightBig , (2.444) = . 552098 . (2.445) Now one has q L = u 1 u 4 = parenleftbigg 205 . 756 kJ kg parenrightbigg parenleftbigg 1011 . 98 kJ kg parenrightbigg = 806 . 224 kJ kg . (2.446) So, w net = q H + q L = parenleftbigg 1800 kJ kg parenrightbigg parenleftbigg 806 . 224 kJ kg parenrightbigg = 993 . 776 kJ kg . (2.447) So P meff = W net V max V min , (2.448) = w net v max v min , (2.449) = w net v 1 v 2 , (2.450) = w net RT 1 P 1 RT 2 P 2 , (2.451) = 993 . 776 kJ kg parenleftBig . 287 kJ kg K parenrightBig ( 288 K 100 kPa 900 K 6250 kPa ) , (2.452) = 1265 . 58 kPa. (2.453) 2.9 Stirling Another often-studied air-standard engine is given by the Stirling cycle. This is similar toAnother often-studied air-standard engine is given by the Stirling cycle....
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Thermodynamics filled in class notes_Part_29 - 2.9....

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