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8/18/2019 Gambar Tabel Grafik Minor Losses
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MINOR LOSSES
Sambungan Pipa (fittings):
Flow through run
Flow through branchReturn bend
45o elbow
90o elbow
45o street elbow
90o street elbow
90o long radius elbow
Katup (valves):
Globe ale
Gate ale
!utter"l# ale
$ngle ale
Foot ale
!all ale
%hec& ale
Enlargement :
Sudden enlarge'ent
Gradual enlarge'ent
Contraction :
Sudden constraction
Gradual constraction
Exit loss
Entrance loss
T
e
2
L
f D
LK
g2
VK h
=
= ( ) &oe"isien tahanan *resistance coefficient +
Le ) ,an-ang e&ialen
" . ) "a&tor gese&an /ada turbulen /enuh
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Sudden Enlarge'ent
Grafik /Tabel
s
m12V
D
D1K
s
m12V
g2
VK h
2
2
1
2
L
→≠
−=→≈
=
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Gradual Enlarge'ent
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Sudden %onstruction
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Gradual %onstruction
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Entrance Loss
Eit Loss
g2
Vh0.1K
2
L =→=
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Globe 1ale Gate 1ale !utter"l# 1ale
!all 1ale $ngle 1ale %hec& 1ale
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Foot 1ale ,oo/et dis&
Foot 1ale 2inged dis&
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Fitting
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8/18/2019 Gambar Tabel Grafik Minor Losses
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(e&asaran /ada berbagai -enis /i/a
