Experiment 4 214s42

c c ! "#$ #% "" ! #% c+*(* !







&' ()*

Experiment no. 4 Hydrostatic Force on Submerged and Semi ʹ submerged Rectangular Area 1. .

Œbjective:

*"( ($$"*%(( #,*#* % +" "% -% +"#( !

Apparatus /Equipment: (*,.%% /''( % 0(*,1 $(% % ('

Description of Apparatus: ( *, .%% /''( % +!% ($ ( " *, $"*%(( # ($ %( &(" * % +" % ,# " ($ !*#( * *, ($ # ( *, '%% " 2 * % !2!%*,$"(*+"* %((" $''( % %#* %( #("* #( !( %' (#! #% 3(( 4 (("#*%%($(*' *,($( 4 %+ "* 3$ #$ %* ("4 ,"' 2*( 5%( * ($ ' 2*( % #* ( +! # + /( * " *, ($ + 3$ #$ % #!*% (* ($ ' 2*( % "6 %(+! #* ( 3 $( " ( ($ *($ " *, ($ + % 3 $( # * (" " ($ + %,+ #("(** "!7 " (3$ #$'*6#(%"*3 (*($ ( 4 ($ ! *, #* (#( *, ($ ' 2*( #* # "% 3 ($ ($ & % *, ($ 7 " ( ($ % * ! ($ $"*%(( # ,*# * ($ #( ! " ,# 3* !" '*2 " * (+* (($4 ,"& % $ 3( ( 4 % , ((" 3 ($ "6 %(+! ,( " #*#( ! ( % " #("* # # !%' (!2!* ("* ($+%*,($( 4 1(# +% ''! "(**" ",*($( 4%*%(*4($ + ($$* 8* (!'*% ( *

3. Theory: / '! % ,# 3$ % +" ! 7 " 3 !! + % +6#(" (* $"*%(( # ,*# 3$ #$ # + #*' (" % ($' # '!($(,*# %'*" #(*,'%% ( %($* 3$ #$($'%% #(% 9 % +"'! % #($'%% 2 %3 ($$ $(($''*#$ %(*#* % "" ,, ( !3$ #$ %

c c ! "#$ #% "" ! #% &' ()* c+*(* ! %( ''!!!(*($! 7 "% ,#%'% ("(*($! 7 "% ,#%'% (" ($,*!!*3 " % 4 =

Measurements to be made $ 3 $( 1 " ($ #*%'* " "'($ *, 3( 8 ($ '(% (* + % " $ ,*!!*3 " %( #% 2 +($ ,#( *,($# (*,'%% ''( %:;<0:+:;< "": 4 4

c c ! "#$ #% "" ! #% c+*(* ! 9 ($0 -% +"#* " ( * c( $':2( #!$ $(,*, !# (*# (*,'%% 8:"'($*,3(% ,#(*+*((**,($7 " ('! % ,# ":$ $(*, ",#7 " ( +:3 "($*, ",#*,7 " ( For Semi ʹ submerged condition $"*%(( #,*# %#!# !("%,*!!*3% ù > = v





=ù



&' ()*



v ù h 4 * (+* (($' 2*( = ù -





= ù

`



= ù

`

ùV

4

=ù











c c ! "#$ #% "" ! #% c+*(* !







&' ()*

For the Fully submerged condition $$"*%(( #,*# %#!# !(" % ($,* !

ù> = v





=ù



vùh 4 * (+* (($' 2*(3 !! !"($,*!!*3 7 ( *

Fluids Mechanics Laboratory Manual

= ù =V V = ù

4.





v= h ` ù

V

Vù

vùh = ù

Experimental Procedure: $$"*%(( #''( %3%%( '* (*'*,($$" ! #+ #$ $''( %3%!2!" $''( %3%* ("+ % ($,**(%#3 "($%' (!2! $3 $(# 3%((#$"(*($+ "($#* (3 $(3%"6 %("(*4($ +$* 8* (! $3 $(# 3%"""3 $( $ %3* !"4($+( '%*%!*3!'* 3( (* ($( 4*,($$"*%(( #''( %(*%(*($+(* (%$* 8* (!'*% ( * $"'($ *,3(!2!3% *(" * ($ % % +" #* " ( * " ,, ( 3 $( 2! % $ # " ,, ( 3( "'($% 3 %" < *($, !!% +"#* " ( * !%*" ,, (3 $(2! %3% %"



c c ! "#$ #% "" ! #% c+*(* ! . Presentation of Data and Results: !

1 $( =#

$+

0 -% +"* " ( * < < > << ;< ? >

!!% +"* " ( * < < << ; ; > ;> ? Sample Computations: Semi-submerged Condition $+: @ hbar = 0.01 š 3$+: ;< /: ;< A = 0.00 ß :? < < F = 0.3311







&' ()*

/

*#)

$'

&$')

1&)

$'2% 1 *

< ?

>? ? <>?

?<; ?; ;?;

> > >

< ; >
?< ? <

;< ;< ;< ;<

>> < ? < <; > >;

>< >; > >

>>?< ?; ;;

>; ;? ;? ?>

< > ; ?

Fully Submerged Condition 3$": $+: <- < hbar = 0.0

š 3$+: ;<A": /: ;< A = 0.007 ß :? << ;< F = 4.0466



3$0: $': - hp = 0.19 ß ß $': Fhp = 0.069 ; 1:@ ? ;< -r = 0.6744







3$ó A 9B: ;< @ 9B:> <&> :> <&>@ ;<& << : < $': - <C < hp = 0.16 ß ß $': >> << Fhp = 0.668 ; 1: < ? ;< -r = 0.6744

c c ! "#$ #% "" ! #% c+*(* ! 6.







&' ()*

Discussion of Results: * ($ % % +" #* " ( * * #*' (" 2! % $' ( ($ * &'#(" 2! % 1 /%($"'($*,3(% ,#+*((**,($7 " ('! % ,# #%%/ " *# #%% 3$ !($2( #!$ $(,*, !# (*# (*,'%% "#%% $ %#* " ( * $%*%($("*% D( &#"%(* * ($ , !! % +" #* " ( * * #*' (" 2! % $' ( ($ * &'#(" 2! % 1 (,*($"'($*,3(% ,#+*((**,($7 " ('! % ,#(<* #*' ("2! $' %7 (#!*%@!*%(7 !(** &'#("2! 1 03 ($($% % +"#* " ( * %($ "'($ *, 3( % ,# +*((* *, ($ 7 " ( '! % ,# #%% / " *# #%% 3$ ! ($ 2( #!$ $(,*, !# (*# (*,'%% "#%% $ %#* " ( * $%*%($(&#"%(* * &' (($# (*,'%% ''( %3(!4" $ %!4# %%* #* ( +! # + *( (* + +! # 3$ #$ ,,#(% ($ "'($ *, 3( % ,# (* +*((* *, ($ 7 " ( '! % ,# "($ %# %%* *% 7. Conclusions and recommendations: /'! % ,#3$ % +" ! 7 "3 !!+% +6#("(*$"*%(( #%,*#3$ #$ %'*" #( *, '%% ( % ($ * 3$ #$ ($ '%% #(% $ '%% 2 % 3 ($ $ $( %* % ($ $ $( *, , !# #%% '%% #%% /% '%% #%% $"*%(( # ,*# !%* #%% 3$ #$ % '%% %" #(!'*'*( * !(*,*#