flow measurement
TRANSCRIPT
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
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
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
Mas
s Flo
w R
ates
Measurements
Mass Flow Rates & Measurements
Venturi
Orifice
Rotameter
Weight Tank
Question 3
y = 0,875x - 0,002
0,0000,0500,1000,1500,2000,2500,300
0,000 0,100 0,200 0,300
Vent
uri (
kg/s
)
Weight Tank (kg/s)
Mass Flow Rates of Weight Tank & Venturi
Venturi/Weight Tank
Doğrusal (Venturi/Weight Tank)
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
Orif
ice
(kg/
s)
Weight Tank (kg/s)
Mass Flow Rates of Weight Tank & Orifice
Orifice/Weight Tank
Doğrusal (Orifice/Weight Tank)
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
Rota
met
er (k
g/s)
Weight Tank (kg/s)
Mass Flow Rates of Weight Tank & Rotameter
Rotameter/Weight Tank
Doğrusal (Rotameter/Weight Tank)
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
