Solved problems 1(control volume)

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  • 08/12/201008/12/2010 Dr. Munzer Ebaid Dr. Munzer Ebaid 11

    SOLVED PROBLEMS

    CONTROL VOLUME APPROACH

    CHAPTER (5)

  • 08/12/201008/12/2010 Dr. Munzer Ebaid Dr. Munzer Ebaid 22

    CONTROL VOLUME APPROACH

    3. Continuity equation outincv mmdtdM

    && =

    Volume Flow Rate Mass Flow Rate

    1. Velocity is constant:

    2. Velocity is variable:

    AVQ =& AVQm == &&

    =A

    VdAQ& QVdAVdAmAA

    && ===

    5. The extensive property is defined as )(B

    6. The intensive property

    =

    massBb

    21 )()( AVAV =21 mm && =4. Continuity equation in a pipe

  • 08/12/201008/12/2010 Dr. Munzer Ebaid Dr. Munzer Ebaid 33

    CONTROL VOLUME APPROACH

    0=

    +

    +

    zw

    yv

    xu10. Differential form of continuity equation

    21

    0

    21 V

    pp V

    =9. Cavitation index

    7. Reynolds transport theorem( in general) +=cscv

    sys dAVbdQbdtd

    dtdB

    8. Reynolds transport theorem( for mass) +=CSCV

    sys dAVdVdtd

    dtdM

  • 08/12/201008/12/2010 Dr. Munzer Ebaid Dr. Munzer Ebaid 44

    CONTROL VOLUME APPROACH

  • 08/12/201008/12/2010 Dr. Munzer Ebaid Dr. Munzer Ebaid 55

    CONTROL VOLUME APPROACH

  • 08/12/201008/12/2010 Dr. Munzer Ebaid Dr. Munzer Ebaid 66

  • 08/12/201008/12/2010 Dr. Munzer Ebaid Dr. Munzer Ebaid 77

  • 08/12/201008/12/2010 Dr. Munzer Ebaid Dr. Munzer Ebaid 88

  • 08/12/201008/12/2010 Dr. Munzer Ebaid Dr. Munzer Ebaid 99

    Problem 5.55(p. 176)

    Mixture

  • 08/12/201008/12/2010 Dr. Munzer Ebaid Dr. Munzer Ebaid 1010

    Problem 5.75(p. 181)

    Table (5)Throat

  • 08/12/201008/12/2010 Dr. Munzer Ebaid Dr. Munzer Ebaid 1111

  • 08/12/201008/12/2010 Dr. Munzer Ebaid Dr. Munzer Ebaid 1212

    CONTROL VOLUME APPROACH

    THE END

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