Mechanical Engineering Thermodynamics - Lec 20, pt 1 of 7: Actual Rankine Cycle

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  1. Ron Hugo
  2. Rankine Cycle (Namesake)
  3. Mechanical Engineering (Professional Field)
  4. Thermodynamics (Field Of Study)
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Комментарии
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this guy is an angel sent from thermodynamic

tahmidjamil
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You usually determine this by knowing information from state 3.  If state 3 to 4 is an isentropic process, then the entropy between 3 and 4 will be equal and with this state 4 is determined. Note that state 3 is usually determined by knowing the temperature out of the boiler and the pressure of the fluid in the boiler.  If the process is not isentropic, you will usually have an adiabatic efficiency for the turbine.  With the adiabatic efficiency you can determine the isentropic (ideal) enthalpy at state 4, and then the non-ideal or actual enthalpy at state 4.  With actual enthalpy and knowing the pressure in the condenser, you are able to determine if state 3 is superheated or in the two phase region. 

ronhugo
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Im cutting my thermo class and watching your videos fully

asmrteenboy
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Nice presentation. You only forgot to mention that with increasing boiler pressure Wnet also decreases (3-4 isentropic expansion in a turbine)..

Geruzija
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excellent explanation thank you so much

ferdinandp
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too Good! U're qualified man. . . but I'm concerned about Point 4.  how do we know if it wll be dry or wet steam?

mosialive