Erdi Karaçal Mechanical Engineer University of Gaziantep

1. ME 416 MECHANICAL ENGINERING LABORATORY
DEPARTMENT OF MECHANICAL
ENGINEERING
UNIVERSITY OF GAZIANTEP
FLOW MEASUREMENT EXPERIMENT
Submitted to: Res. Assist. EMRE KARA
Submitted by: (GROUP 7)
HALİL İBRAHİM GÜLMEZ
MESUT GÜNGÖR
FIRAT GÜNYEL
YAŞAR GÜRBÜZ
HACER İLHAN
EMRE KARACA
ERDİ KARAÇAL
DECEMBER 2013

2. We have tabulated the values of error for venturi meter, orifice meter and rotameter.
As can be seen directly from the tables venturi meter has the lowest error.It has the lowest
energy loses.
ERROR OF VENTURI METER
Run No Venturi Weight Tank e %
1 0,091 0,096 4,68
2 0,118 0,142 16,91
3 0,142 0,197 27,86
4 0,217 0,227 4,61
5 0,243 0,278 12,57
ERROR OF ORIFICE METER
Run No Orifice Weight Tank e %
1 0,071 0,096 26,06
2 0,110 0,142 22,20
3 0,134 0,197 32,35
4 0,191 0,227 16,10
5 0,223 0,278 19,57
ERROR OF ROTAMETER
Run No Rotameter Weight Tank e %
1 0,075 0,096 21,50
2 0,110 0,142 22,27
3 0,130 0,197 34,13
4 0,220 0,227 3,20
5 0,240 0,278 13,60

3. m' (kg/s)
Run No Venturi Orifice Rotameter Weight Tank
1 0,091 0,071 0,075 0,096
2 0,118 0,110 0,110 0,142
3 0,142 0,134 0,130 0,197
4 0,217 0,191 0,220 0,227
5 0,243 0,223 0,240 0,278
Table 2 :Flow Rates
Figure:Mass Flow Rates of Devices
0,000
0,050
0,100
0,150
0,200
0,250
0,300
0 1 2 3 4 5 6
MassFlowRates
Measurements
Mass Flow Rates & Measurements
Venturi
Orifice
Rotameter
Weight Tank

4. Question 3
y = 0,875x - 0,002
0,000
0,050
0,100
0,150
0,200
0,250
0,300
0,000 0,100 0,200 0,300
Venturi(kg/s)
Weight Tank (kg/s)
Mass Flow Rates of
Weight Tank & Venturi
Venturi/WeightTank
Doğrusal
(Venturi/WeightTank)
y = 0,844x - 0,013
0,000
0,050
0,100
0,150
0,200
0,250
0,000 0,100 0,200 0,300
Orifice(kg/s)
Weight Tank (kg/s)
Mass Flow Rates of
Weight Tank & Orifice
Orifice/WeightTank
Doğrusal
(Orifice/WeightTank)
y = 0,952x - 0,024
0,000
0,050
0,100
0,150
0,200
0,250
0,300
0,000 0,100 0,200 0,300
Rotameter(kg/s)
Weight Tank (kg/s)
Mass Flow Rates of
Weight Tank & Rotameter
Rotameter/Weight
Tank
Doğrusal
(Rotameter/Weight
Tank)

5. Appendix
VENTURI MEASUREMENTS
HA HC HA-HC KEA Hac /KEA
0,274 0,27 0,004 0,00067 5,988023952
0,269 0,265 0,004 0,00067 5,988023952
0,27 0,263 0,007 0,00117 5,988023952
0,274 0,26 0,014 0,00234 5,988023952
0,274 0,259 0,015 0,00251 5,988023952
Table A1:Venturi Meter Head Loss and Inlet Kinetic Head
DIFFUSOR MEASUREMENTS
HC HD HC-HD KEA KEC Hcd /KEC
0,27 0,271 -0,001 0,00067 0,00067 -1,497005988
0,265 0,267 -0,002 0,00067 0,00067 -2,994011976
0,263 0,265 -0,002 0,00117 0,00117 -1,710863986
0,26 0,264 -0,004 0,00234 0,00234 -1,710863986
0,259 0,262 -0,003 0,00251 0,00251 -1,19760479
Table A2: Wide Angle Diffusor Head Loss and Inlet Kinetic Head
ORIFICE MEASUREMENTS
HE HF HE-HF KEE Hef/KEE
0,271 0,264 0,007 0,00006 116,95906
0,267 0,25 0,017 0,00015 116,95906
0,265 0,24 0,025 0,00021 116,95906
0,265 0,214 0,051 0,00044 116,95906
0,265 0,195 0,07 0,00060 116,95906
Table A3: Orifice Head Loss and Inlet Kinetic Head
ELBOW MEASUREMENTS
HG HH HG-HH KEA KEG Hgh/KEG
0,262 0,265 -0,003 0,00067 0,00005 -66,435177
0,249 0,252 -0,003 0,00067 0,00005 -66,435177
0,239 0,245 -0,006 0,00117 0,00008 -75,925917
0,211 0,221 -0,01 0,00234 0,00016 -63,271597
0,192 0,206 -0,014 0,00251 0,00017 -82,674887
Table A4: Right Angle Elbow Head Loss and Inlet Kinetic Head
ROTAMETER MEASUREMENTS
HH HI HH-HI HG-HH KEA KEH Hhı/KEH
0,265 0,17 0,095 -0,003 0,000668 -0,0029955 31,71440403
0,252 0,16 0,092 -0,003 0,000668 -0,0029955 30,71289654
0,245 0,147 0,098 -0,006 0,001169 -0,0059921 -16,3548739
0,221 0,118 0,103 -0,01 0,002338 -0,0099842 -10,3163048
0,206 0,1 0,106 -0,014 0,002505 -0,0139831 7,580597738
Table A5:Rotameter Head Loss and Inlet Kinetic Head