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7/24/2019 Flowmeter Demonstration Lab Report
1/25
Thermofuid lab: Flowmeter demonstration
________________________________________________________________________________________
____________
UNIVERSITI TEKNOLOGI MARA
FAKULTI KEJURUTERAAN KIMIA
THERMOFLUID LAB
(CGE 536)
NAMA NO PELAJAR
MUHAMMAD EZWAN BIN MOHD
HANAFIAH
20!620"3!
NUR AMANINA BINTI AHMAD
NIZAMUDDIN
20!260632
MUHAMMAD IKHMAL BIN #AH#A 20!!$""!
NO% TITLE ALLOCATED MARKS
&
MARKS
ABSTRACT'SUMMAR# 5
2 INTRODUCTION 5
3 AIMS'OBJECTIVES 5
! THEOR# 55 APPARATUS 5
6 PROCEDURES 0
" RESULT 0
$ CALCULATIONS 0
DISCUSSION 20
0 CONCLUSIONS 0
RECOMMENDATIONS 5
2 REFERENCES 5
3 APPENDICES 5
TOTAL 00
1
EPERIMENT * FLOWMETER DEMONSTRATION
DATE PERFORMED * 2''205
SEMESTER * 3
PROGRAMME'CODE * THERMOFLUID LAB ' CGE 536
GROUP * EH2!33B
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R+,-./ *
C1+/+ 4*
TABLE OF CONTENTS*
2
CONTENT PAGE
SUMMARY 3INTRODUCTION 4-6
OBJECTIVES 7
THEORY 8-10
APPARATUS/MATERIALS 11
PROCEDURE 12
RESULT 13
CALCULATION 14-17
DISCUSSION 18
CONCLUSION 1RECOMMENDATION/RE!ERENCE 20
APPENDICES 21-24
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Thermofuid lab: Flowmeter demonstration
SUMMARY:
EXPERIMENT 1: Demonstration of the operation and characteristic
of three dierent asic t!pes of "o#meter
T#$ $%&$'()$*+ #, .$$* *$ + )$,'$ +#$ ',+$ ,* &'$'$
$ (*5 +#'$$ .,( +&$ )$,'(*5 +$#*(9$: '+,)$+$';
A+$' , ,&&,',+ #, T 5$+
,',+$ '$,(*5; $ )+ '$&$,+ +#$ $%&$'()$*+ 3 +()$>
EXPERIMENT $: Determination of the %oss coe&cient #hen "'id"o#s thro'(h a )* de(ree e%o#
T#$ $%&$'()$*+ #, .$$* *$ + $+$')(*$ +#$ $$*+ #$* (
+#'5# , 0 $5'$$ $.> A+$' , ,&&,',+ #,
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Thermofuid lab: Flowmeter demonstration
$%&$'()$*+; , 5', H ,5,(*+Vs
2
2 g ' 0 $5'$$ $. + $+$')(*$ +#$
$($*+ $> T 5$+ ,',+$ '$,(*5; $ )+ '$&$,+ +#$ $%&$'()$*+ 3
+()$>
INTR+DU,TI+N :
EXPERIMENT 1:
!( )$#,*( ( +#$ .',*# ( +#,+ +($ +#$ .$#,
T#$ #',( .$*# @M$ !M 110 ( &'
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Thermofuid lab: Flowmeter demonstration
'$,+$ . '$(*5 +#$ ' $+(*, ,'$, +#$ (*5 &,+#> T#$ &'$'$
($'$*$ ( )$,'$ (*5 +#$ ),*)$+$'> T#$ &'$'$ ($'$*$ ( $ +
,,+$ +#$ ',+$ ( +#'5# +#$ &(&$ (*$> T#$ (*$+ ,'$, +#$
O'(=$ )$+$'
A* '(=$ )$+$' ( 5$*$', , +#(* '(=$ &,+$ (+# , #$ (* +#$ )($> I+
( &,$ (* , &(&$ #(# , ( > A +#$ ( '$,#$ +#$ '(=$ &,+$; +#$
( ( '$ + +#'5# +#$ #$ (* +#$ )($ +#$ '(=$ &,+$> V$*,
*+',+, #(# ( +#$ &(*+ ),%()) * A +#( '; +#$ A+
+#$
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Thermofuid lab: Flowmeter demonstration
R+,)$+$'>
R+,)$+$' ( , , )$+$' ,$ , R+,)$+$' ( , &(+(*
EXPERIMENT $:
T#$
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Thermofuid lab: Flowmeter demonstration
+-.E,TI/E :
EXPERIMENT 1:
T .+,(* +#$ ',+$ )$,'$)$*+ . +(((*5 +#'$$ .,( +&$
)$,'(*5 +$#*(9$: '+,)$+$';
EXPERIMENT $:
T (*
7
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Thermofuid lab: Flowmeter demonstration
T0E+RY:
EXPERIMENT 1:
B$'*( $9,+(* ( ,&&($ + ,,+$ +#$ ',+$ (* .+#
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Thermofuid lab: Flowmeter demonstration
3. Substituting this into and rearranging Bernoullis equation:
4> T 5$+ +#$ ,+, '$+; $($*+ (#,'5$ #, T#$'$'$; K1,* K2,* .$ ,*$(*5 +>
A1 A'$, ,+ &(*+ 1
A2 A'$, ,+ &(*+ 2
P1 P'$'$ ,+ &(*+ 1
P2 P'$'$ ,+ &(*+ 2
U1 V$(+ ,+ &(*+ 1
U2 V$(+ ,+ &(*+ 2
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Thermofuid lab: Flowmeter demonstration
V,$ (#,'5$ $($*+ ,'$ $+$')(*$ . $%&$'()$*+$; +#$
,)$ 8
CO'(=$ &,+$ 0>63
T#$ #$, @#; )$+'$ ( '$'$ $ + +#$ #$(5#+ '$,(*5
),*)$+$'> I* +#( $%&$'()$*+; +#$ #$, $( .$ )&,'$ (+# +#$
',+$ $> P'$'$ '
EXPERIMENT $:
T ,,+$ +#$ $($*+; +#$ $9,+(* $ (
HL %V
2
2 g
#$'$;
HL H$, L
L C$($*+
V
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Thermofuid lab: Flowmeter demonstration
T#$ ,
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Thermofuid lab: Flowmeter demonstration
PR+,EDURE:
EXPERIMENT 1:
1 A&&,',+ , &,$ * +#$ .$*#; (*$+ &(&$ **$+$ + .$*# && ,*
+$+ &(&$ (*+
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Thermofuid lab: Flowmeter demonstration
3> T#$ .$*# #$* +#$ (* +#$ &(&$ ( +$, ,* +#$'$ ( * +',&&$ ...$; .$*#
B (*5 +#$ ,(' .$$ '$; ,+$' 6> R$,(*5 * ),*)$+$'@A-J; R+')$+$' ,* ),%()) )$,'$,.$ ',+$
, *+$>7> S+$& 6 ( '$&$,+$ ' ($'$*+ ',+$> T#$ ',+$ ,* .$ ,+$ .
+(((*5 .+# .$*# A B C D E ! G H I J
13
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Thermofuid lab: Flowmeter demonstration
1 26 263 23 2 261 22 262 23 24 2482 2 20 26 277 282 287 287 203 238 233 338 327 26 301 312 322 322 143 21 2104 374 2 241 31 333 34 348 7 170 166
NO> ROTA
METER
@L/MIN
VOL
@L
TIME
@MIN
!LORA
TE
@L/MIN
!LORATE USING
BERNOULLI EVENTURI ORI!ICE
1 3 0>1 >82 1>0330
104
>13
105
2 10 3 0>2618 11>16 1>8623
104
1>770
104
3 1 3 0>2000 1>00 2>7004
104
2>648
104
4 20 3 0>1363 21>3 3>431
104
3>2702
104
D$+$')(*,+(* +#$ $($*+ #$* ( +#'5# , 0 $5'$$ $.
V)$
@L
T()$
@$
!',+$;
@/)(*
D($'$*+(, P($)$+$'
H$,; # @))
V V2/25
N>@)/ @))
E. @#I-#J
1 3 30>3
>82 1 0>1831
1>7087
103
2 3 16>13
11>16 3
0>31
0
6>270
103
3 3 12>00
1>00
0>471
8 0>01134
4 3 8>36
21>23 4
0>677
2 0>0233
14
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Thermofuid lab: Flowmeter demonstration
,A2,U2ATI+N
EXPERIMENT 1
For the venturi meter
Upstream pipe diameter1 = 26mm
Cross sectional area
A1
=
d2
4 = 5.3093 10
4
m2
Throat diameter2 = 16mm
Cross sectional area of throatA
2 = d
2
4 = 2.0106 10
4
m2
ischar!e coefficient
Cd ven=0.9"
For the orifice plate
Upstream pipe diameter1 = 26 mm
Cross sectional area of upstream pipe #1 =
d2
4 = 5.3093 10
4
m2
Throat diameter2 = 16mm
Cross sectional area of throat A
2 = d
2
4 = 2.0106 10
4
m2
ischar!e coefficientCd
orifice =0.63
1
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Thermofuid lab: Flowmeter demonstration
Timed Flo$ rate% &t 'm3(s) = * = *olume Collected
t Timed to collect
= 0.003 m3( 30.93
= 9.+0 , 10-5m3(s
*ariale #rea Flo$ /ate% &a'm3(s) = *alue from instrument readin! '(min)
60% 000
5 ( min
60% 000
= ".33 , 105m3(s
rifice late Flo$ /ate% &o'm3') =
Cd A2(
2g H
1(A
2
A1
)2 )
=
0.016
(24)
(
2(9.81)(0.023)
1
(
0.016
0.026 )
4
)(0.63) =9.1939 , 105m3(s
16
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Thermofuid lab: Flowmeter demonstration
*enturi 4eter Flo$ /ate% &v 'm3') =
Cd A2(
2g H
1(A
2
A1
)2 )
=
0.016
(24)(2(9.81)(0.012)
1(0.016
0.026)4 )
(0.98)
= 1.0330 , 10-m3(s
/otameter 7rror = '&a8 &t) , 100
&t = '".3333 , 105 9.+0 , 10-5) , 100
9.+0 , 10-5
= -1.0"
rifice late 7rror = '&o8 &t) , 100
&t
= '9.1939 , 105 9.+0 , 10-5 ) , 100
9.+0 , 10-5
= -5.21
*enturi 4eter 7rror = '&v8 &t) , 100
&t
= '1.0330 , 10- 9.+0 , 10-5 ) , 100
9.+0 , 10-5
= 6.9
This calculation is repeated for the 2 % 3 % repeated e,periment to find accurate data
! ',+$
17
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Thermofuid lab: Flowmeter demonstration
N T()$ ',+$+@)3/
R+,)$+$'! R,+$ ,@)3/
V$*+'( )$+$'! ',+$ 6 10
5 8>3333
105 1>0330
104
>13 105
21>8 10
4 1>6667
104
1>8623 104
1>770 104
32>000 10
4 2>000
104
2>7004 104
2>648 104
43>84 10
4 3>3333
104
3>431 104
3>2702 104
P$'$*+,5$ $''' )&,'$ + +()$ ',+$
N7 /otameter
flo$ rate error
')
rifice plate
flo$ rate error ')
*enturi meter flo$
-rate error ')
1 -1.0" 6.50 -5.21
2 -10.39 0.13 -5.53
3 0 ".02 2.59
-+.13 -.19 -"."9
avera!e +.90 .+1 5.56A
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Thermofuid lab: Flowmeter demonstration
0 10 1 20 2
0
1
2
3
4
6
@% 0>12% 1>4
0
H
L(*$,' @H
L(*$,' @H
Theslope% : = 0.122"
error =' 0.122"-0.3) , 100
0.3
= 5+.0
DISCUSSIONS
;ective of this e,periment 1 is to otain the flo$ rate measurement < utiliin!
three asic tues $hich is rotameter % venturi and orifice .The
flo$rate is the volume of fluid $hich passes per unit time represented < unit &.
1
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Thermofuid lab: Flowmeter demonstration
?ince the percenta!e error for this e,periment from #-@ is not more than 15 so it is
considered as successful e,periment . A< referrin! percenta!e of error that $e calculated T#$ '$))$*,+(* ,'$ , $
1. B$'$ +,'+(*5 +#$ $%&$'()$*+; +$*+ )+ , +#$ (*+'+(*
') +#$ &$' A
6 T#$ .$'+.$>)/,+#Q)/
22
https://www.youtube.com/watch?v=Ml0bhxtur9Ihttp://www.engineeringtoolbox.com/http://www.engineeringtoolbox.com/https://www.youtube.com/watch?v=Ml0bhxtur9I7/24/2019 Flowmeter Demonstration Lab Report
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Thermofuid lab: Flowmeter demonstration
APPENDI,ES
9i('re 1: APPARATUS
9i('re $: /ent'ri meter and manometer
23
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Thermofuid lab: Flowmeter demonstration
9i('re 6: Rotometer and Dischar(e /a%3e
9i('re 7: )* de(ree e%o#
24
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Thermofuid lab: Flowmeter demonstration
9i('re 8: +rice meter
9i('re ;: ,ontro% /a%3e
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