Chapter 4. Control Volume
Analysis Using Mass
Open & Closed Systems
Steady-state & transient
Developing the Mass Rate Balance
Fig04_01
Fig. 4.1 One-inlet, one-exit control volume.
Developing the Control Volume Mass
Balance equation (mathematical basis)
Developing the Control
Volume Mass Balance
Fig04_04
Evaluating the Mass Flow Rate
Fig. 4.2 Illustration used
to develop an
expression for mass flow
rate in terms of local fluid
properties.
Fig04_02
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Numerical Problems
Take Molecular mass of water,
M= 18.00 kg/kmol
R=8.314 KJ/ Kg. K
Take density of propane=450 kg/m3
Refer Table A-15 for ammonia
If you can derive an expression solvable numerically for “t”, it is sufficient
Practice Problem
Thank you