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MT: Equation of changeMT: Equation of change

for multi-componentfor multi-component

systemsystem

Instructor :Instructor :Dr. Nurul HasanDr. Nurul Hasan

Date :Date :27/04/0927/04/09

Universiti Teknologi PETRONASUniversiti Teknologi PETRONAS

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Continuity equation

Momentum equationEnergy equation

Few applications

Multi-component systemMulti-component system

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Continuity equation for multi-

component system

( ) ( )

rjV

t

+=

..

( )V

t

.=

( ) 0. =V

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B is moving

A reacts to form C

Steady state

AA

ABA ck

z

cD

dz

dcv

12

2

0

=

Application 1

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Equation of change multi-

component system

( ) rn

t

w+=

.

( ) gt

v

+=

.

( ) gvet

vU

..2

1 2

+=

+

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Equation of change multi-

component system

vjn += vv+=[ ]

+++= 22

1. vUvvqe

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Condensation of A

T (y)

xA(y)

B Stagnant Layer

Application 2

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Application 3

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Continuity equation-MC

Momentum equation-MCEnergy equation-MC

Few applications

What we learnt today?What we learnt today?