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Calculation of Square Duct Elbow Area (㎡)

Author: orz007Executions: 18701
TOP/Shared Formulas (Engineering)/Civil & Mechanical

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Rectangular Duct Elbow Area Calculation (㎡)
①　π(a^2-b^2)*(θ/360)*2
②　2πb*(θ/360)*c
③　2πa*(θ/360)*c
Surface area F = ① + ② + ③
a
mm
b
mm
c
mm
θ
°
F Surface Area ㎡

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