Theoretical flow rate Q(liter/min)00050.044510.95100.04511.01150.11717.75200.2324.89250.39332.535.QUESTION1.Completed Table 1 above, plot flow rate versus head orifice manometer of theoretical and experimental.A1=π D24¿π(0.023)24¿415.476µm2m=A1A2¿415.476µ176.715µ¿2.351A2=π D24¿π(0.015)24¿176.715µm2
When h is 0.0445m,Q=[A1(m2−1)12]√(2gh)Q=[415.476µ(2.3512−1)12](√2(9.81) (0.0445))¿1.8246x10−4m3sx60000lmin¿10.95lminWhen h is 0.045m,Q=[A1(m2−1)12]√(2gh)Q=[415.476µ(2.3512−1)12](√2(9.81) (0.045))¿1.8348x10−4m3sx60000lmin¿11.01lmin
When h is 0.117m,Q=[A1(m2−1)12]√(2gh)Q=[415.476µ(2.3512−1)12](√2(9.81) (0.117))¿2.9585x10−4m3sx60000lmin¿17.75lminWhen h is 0.23m,Q=[A1(m2−1)12]√(2gh)Q=[415.476µ(2.3512−1)12](√2(9.81) (0.23))¿4.1481x10−4m3sx60000lmin¿24.89lmin
When h is 0.393m,Q=[A1(m2−1)12]√(2gh)Q=[415.476µ(2.3512−1)12](√2(9.81) (0.393))¿5.4223x10−4m3sx60000lmin¿32.53lminFigure 1 : Flow rate versus head of orifice manometer of theoretical and experimental00.050.10.150.184.108.40.2060.40.4505101520253035ExperimentalTheoriticalHead orifice manometer (m)Flow rate Q (liter/min)
2.Compare theoretical results and experimental, clarify its.Based on Table 1, the theoretical results are not align with experimental can be causedby several factor. It can be caused by human factor when taking the reading of head oforifices manometer. It also can be caused by the error in machine which is leaking andmay not be properly maintain.
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Fluid Dynamics, Orifice plate, Muhammad Hafi Hilmi Bin Awang, Muhammad Aziq Aznil Bin Azahari, Syed Amirul Nazhan Bin Syed Anuar, Muhammad Baihaqi bin Mazlan
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