Theoretical flow rate Q litermin 5 00445

Theoretical flow rate q litermin 5 00445

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Theoretical flow rate Q (liter/min) 0 0 0 5 0.0445 10.95 10 0.045 11.01 15 0.117 17.75 20 0.23 24.89 25 0.393 32.53 5. QUESTION 1. Completed Table 1 above, plot flow rate versus head orifice manometer of theoretical and experimental. A 1 = π D 2 4 ¿ π ( 0.023 ) 2 4 ¿ 415.476 µm 2 m = A 1 A 2 ¿ 415.476 µ 176.715 µ ¿ 2.351 A 2 = π D 2 4 ¿ π ( 0.015 ) 2 4 ¿ 176.715 µm 2
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When h is 0.0445m, Q = [ A 1 ( m 2 1 ) 1 2 ] ( 2 gh ) Q = [ 415.476 µ ( 2.351 2 1 ) 1 2 ] ( 2 ( 9.81 ) ( 0.0445 ) ) ¿ 1.8246 x 10 4 m 3 s x 60000 l min ¿ 10.95 l min When h is 0.045m, Q = [ A 1 ( m 2 1 ) 1 2 ] ( 2 gh ) Q = [ 415.476 µ ( 2.351 2 1 ) 1 2 ] ( 2 ( 9.81 ) ( 0.045 ) ) ¿ 1.8348 x 10 4 m 3 s x 60000 l min ¿ 11.01 l min
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When h is 0.117m, Q = [ A 1 ( m 2 1 ) 1 2 ] ( 2 gh ) Q = [ 415.476 µ ( 2.351 2 1 ) 1 2 ] ( 2 ( 9.81 ) ( 0.117 ) ) ¿ 2.9585 x 10 4 m 3 s x 60000 l min ¿ 17.75 l min When h is 0.23m, Q = [ A 1 ( m 2 1 ) 1 2 ] ( 2 gh ) Q = [ 415.476 µ ( 2.351 2 1 ) 1 2 ] ( 2 ( 9.81 ) ( 0.23 ) ) ¿ 4.1481 x 10 4 m 3 s x 60000 l min ¿ 24.89 l min
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When h is 0.393m, Q = [ A 1 ( m 2 1 ) 1 2 ] ( 2 gh ) Q = [ 415.476 µ ( 2.351 2 1 ) 1 2 ] ( 2 ( 9.81 ) ( 0.393 ) ) ¿ 5.4223 x 10 4 m 3 s x 60000 l min ¿ 32.53 l min Figure 1 : Flow rate versus head of orifice manometer of theoretical and experimental 0 0.05 0.1 0.15 0.2 0.25 0.3 0.35 0.4 0.45 0 5 10 15 20 25 30 35 Experimental Theoritical Head orifice manometer (m) Flow rate Q (liter/min)
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2. Compare theoretical results and experimental, clarify its. Based on Table 1, the theoretical results are not align with experimental can be caused by several factor. It can be caused by human factor when taking the reading of head of orifices manometer. It also can be caused by the error in machine which is leaking and may not be properly maintain.
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  • Fall '15
  • 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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