02_definisi dan sifat fluida [compatibility mode]
TRANSCRIPT
-
8/18/2019 02_Definisi Dan Sifat Fluida [Compatibility Mode]
1/6
1
4005 / 2
Definisi dan Sifat FluidaDefinisi dan Sifat FluidaDefinisi dan Sifat FluidaDefinisi dan Sifat Fluida
. , .., .
. .
2222
B ?
:
.
F:
.
τ α = ∝
τ µ = ∝
F
3333
B C G
C: , , ,
G: ,
, ,
G
4444
:
, , , ,
G:
, , ,
B:
, , ,
-
8/18/2019 02_Definisi Dan Sifat Fluida [Compatibility Mode]
2/6
2
5555
B >
.
().
() , ,
.
6666
(
B (
(
(
/
:D :
: , .
7777
/ ( ρ
:
.
: = ()
= (3)
ρ = (/3)
ρ =
8888
.
ρ = =
-
8/18/2019 02_Definisi Dan Sifat Fluida [Compatibility Mode]
3/6
3
9999
Berat Jenis (Specific Weight ), γ
B:
B ( ) :
.
γ ρ = = =
10101010
:
.
ρ γ
ρ γ = =
11111111
:
. .
3/, 3/.
12121212
2.1
1 3 860 ,
, , .
γ = = = = × =
ρ = = =
γ
γ = = =
-
8/18/2019 02_Definisi Dan Sifat Fluida [Compatibility Mode]
4/6
4
13131313
2.2
A 5000 6
3 .
500 .
?
= 5000 500 = 4500
γ
γ ρ
= = =
= = =
14141414
D: .
( )
, ()
= 2068 /2.
= −
15151515
()
, ℓ
D : τ .
,(
(ℓ
, ( ℓ ℓ
: τ = µ/
µ ( ) , , .
16161616
()
G
-
8/18/2019 02_Definisi Dan Sifat Fluida [Compatibility Mode]
5/6
5
17171717
18181818
( )
D ,
, , ,
(),
, σ
σ = 0.073 / (@ 20C)
19191919
.
,
.
.
:
: σ =
γ =
=
σ θ
γ =
20202020
.
.
φ, .
/ (φ <90°,
/ (φ > 90°,.
-
8/18/2019 02_Definisi Dan Sifat Fluida [Compatibility Mode]
6/6
6
21212121
.
( ) = = ρ = ρ π
( )
=
⇒ ρ π = π σ φ
σ φ=
ρ
22222222