Estimate the expansion factor in measuring the flow of O₂ at 16 °C through a 100 mm i.d. pipe using a square edged orifice plate. The upstream pressure is 6.9 bar abs, and the downstream pressure is 3.6 bar abs. The orifice diameter is 50 mm. Ro2 = 260 J/kg-K.

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
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Q = Volume flow rate, μ= find, P= find
E, the velocity of approach factor, can be
calculated with E = 1/sqrt(1-B^4)
E =
1
√1-B4
requires knowledge of the product CE.
The beta ratio is ß = d0/d1
Then, the Reynolds number needs to be calculated:
4Q
Red1
π * d₁ * v
Where, v is the fluid kinematic viscosity
And d1 is the circular pipes diameter.
Transcribed Image Text:Q = Volume flow rate, μ= find, P= find E, the velocity of approach factor, can be calculated with E = 1/sqrt(1-B^4) E = 1 √1-B4 requires knowledge of the product CE. The beta ratio is ß = d0/d1 Then, the Reynolds number needs to be calculated: 4Q Red1 π * d₁ * v Where, v is the fluid kinematic viscosity And d1 is the circular pipes diameter.
PROBLEM 1:
a. Estimate the expansion factor in measuring the flow of O₂ at 16 °C through a 100 mm i.d.
pipe using a square edged orifice plate. The upstream pressure is 6.9 bar abs, and the
downstream pressure is 3.6 bar abs. The orifice diameter is 50 mm. Ro2 = 260 J/kg-K.
b. Determine the permanent pressure loss caused by the orifice.
Transcribed Image Text:PROBLEM 1: a. Estimate the expansion factor in measuring the flow of O₂ at 16 °C through a 100 mm i.d. pipe using a square edged orifice plate. The upstream pressure is 6.9 bar abs, and the downstream pressure is 3.6 bar abs. The orifice diameter is 50 mm. Ro2 = 260 J/kg-K. b. Determine the permanent pressure loss caused by the orifice.
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