Div2Lec03

Div2Lec03 - Lecture 3 Transient Analysis Apply the...

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Lecture 3: Transient Analysis Apply the conservation of mass and energy to the process of discharging a rigid vessel. » Conservation of mass: CM in out in out dm mm dt m    out out mh CM out dm m( s i n gle outlet) dt m m dt  CV F CV out t CV out dm m m dt (I = initial state)  T, p, v 3.1 I t CV F I m m m (F = final state) . Q
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Continue Discharging of Rigid Vessel Conservation of Energy : 22 CV in out in out in out vv dE Q W m h gz m h gz dt       » Assumptions – Rigid tank no work ixed control volume E E 0 – Fixed control volume PE CV = KE CV = 0 E CV = U CV – No inlet (no mass flow rate in) and single outlet – Negligible kinetic and potential energies in outlet stream » Thus, CV dU m h 3.2 out out Qm dt
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Continue Discharging of Rigid Vessel CV ut out CV out out dU Q mh d U Qdt m dt h   out CV dt Q
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This document was uploaded on 04/23/2011.

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Div2Lec03 - Lecture 3 Transient Analysis Apply the...

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