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Problem SolvingProblem Solving
Water HammerWater Hammer
PhenomenonPhenomenon
Prepared by :
Bravo Shift Operation Dept./Process EFGH
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2
Safety Moment & Message
DEFENSIVE DRIVING
TIPSNO! THE R"#ES
B"$#E "P%
P&' &TTENTION
DON(T SPEED
DRIVE $ONFIDENT#') NOT&GGRESIVE#'
SAFD!"E
A!"E
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#
Agenda
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$
De%nition
!ater ha**er +or) *ore ,enera--) 0i1 ha**er34
is a pressre srge or 5aveca0se1 5hen a'id in motion is for(ed to
stopor
chan,e 1irection s011en-.
(Wikipedia, 2015)
!i-- 6e *ore prono0nce1 in biphasesystems +hot or co-13.
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)
*ases & E+e(ts of WaterHammer
Hydrali(Sho(,
7o*entar press0re rise in apipin, sste* 5hich res0-ts5hen the
-i80i1 is starte1 or
stoppe1 80ic9-
-hermalSho(,
Ther*a- ,ra1ient ca0ses1i:erent parts of an o6;ect toe
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.
*ases & E+e(ts of WaterHammer
How water hammer can be formed?
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*ases & E+e(ts of WaterHammer
!ater ha**er has great momentm+hi,h ve-ocit3=
=an1 creates hgevibration
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Prevents Water Hammer
*ases :
F-o5 chan,es s011en-
*ontrolling 'ids 'o1 byopening(losing piping system smoothly
Ther*a- shoc9
Avoid large temperatre di+eren(e 34-5bet1een 6old7 and 6ne17
system
Biphase 0i1
!f possible8 ventdrain trapped 'id
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Water Hammer HandlingEperien(e
Warm;p High Pressre Steam at -rain
H=)Prepare for
1arming;p$?-;=2#
F
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10/10*opyright 2>=# P- ada, B@ Alli ht d
-han,
yo
