Matakuliah
Tahun
Versi
: H0332/Simulasi dan Permodelan
: 2005
: 1/1
Pertemuan #9
Fluid System
1
Learning Outcomes
Pada akhir pertemuan ini, diharapkan mahasiswa
akan mampu :
• Mahasiswa dapat menghubungkan
persamaan-persamaan matematika pada
sistem fluida (C4)
2
Outline Materi
• Fluid System
3
1. Properties of Fluids
• Density
m

V P0 ,T0
• Equation of State: Liquid
 1

  0 1  P  P0    T  T0 
 

where
P
P
  0

 P0 ,T0  / 0
1 
 
0 T
P0 ,T0
P0 ,T0
4
1. Properties of Fluids (cont.)
• Equation of State: Gases
P

RT
n
n
n
n
=
=
=
=
1.0
k
0.0
~
for
for
for
for
P
C
n

an
an
an
an
  0
isothermal process
adiabatic process
isobaric process
isovolumetric process
P

 nP0
P0 ,T0
5
1. Properties of Fluids (cont.)
u(y)
• Viscosity

Liquid
Gases

y
u / y
  0e
x
 L T T0 
u/y
  0  G T  T0 
• Propagation Speed

c0 


• Thermal Ratio
k
Cp
Cv
6
2. Passive Component
• Capacitance
 V A2  
P
Q   
 k 
x
Q
Pcv
xo
Patm
• Inductance
 
P  Q
A
P1 A 1
P 2 A2
l
7
2. Passive Component (cont.)
• Resistance
P  RQ
32 
R
Ad h
d
Q
P1
2
P2
l
• Compressible Fluid Flow
Critical Pressure Ratio
 2 
Pcr  

 k 1
k
k 1
8