Thermo Final Exam Eqn Sheet

Thermo Final Exam Eqn Sheet - isentropic: Steps to solve...

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Barometer Manometer Efficiency (General) Coefficient of Performance Quality (ex) Specific Heats For constant Cv (or Ideal Gas): If P2=P1(constant Cp): If T2=T1 Ideal Gas Law Compressibility Power Work Mass flow rate 1 st Law: Nozzle or Diffuser Turbine Clausius Inequality Entropy for Ideal Gas Entropy Balance (closed system): Entropy Balance (control volume): Isentropic Eqns (Ideal Gas): Isentropic Efficiency Exergy Exergy Change Flow Exergy for Open Systems and Heat Exchangers Exergy Rate balance for Open Systems: Exergy Rate balance for Steady State: Exergetic Efficiencies Vapor Power Cycles: Turbine: Work out Pump: Work in Boiler: Q in Condenser: Qout P1=P4 P3=P2 isentropic (s1=s2, s3=s4) Boiler: Turbine: Condenser: Pump: System Efficiency: When the Pump and Turbine are not
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Unformatted text preview: isentropic: Steps to solve Vapor Power cycle (general):-Given: T1, P1 and either P3 or T3-Find: all hs-Use T1, P1 to look up h1 and s1-Since P2=P3 then s2=s3, look up h2-x3=0 (saturated liquid assumed usually) and P3 is given, then look up h3 which =h3 2 P3. Then find v3=vf-Since P4=P1, h4-h3=v2(P4-P3) and solve for h4-next compute W T , W P , Q in-get If Pump and Turbine are not isentropic: Otto Cycle: 12 : Q12=0, s1=s2 23: Qin, V2=V3 34: Wout, Q34=0, s4=s3 41: V4=V1 Power: Displacement Volume: Compression Ratio: Useful calculations/short-cuts: Work: Efficiency: Mean Effective Pressure: Diesel Cycle: Work: Cut-off ratio:...
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Thermo Final Exam Eqn Sheet - isentropic: Steps to solve...

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