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The Area of Partially Full Sewers refers to the cross-sectional flow area at a given water depth, crucial for hydraulic and flow rate calculations. Check FAQs
a=A(qQ(Nnp)(R)16)
a - Area of Partially Full Sewers?A - Area of Running Full Sewers?q - Discharge when Pipe is Running Partially Full?Q - Discharge when Pipe is Running Full?N - Roughness Coefficient for Running Full?np - Roughness Coefficient Partially Full?R - Hydraulic Mean Depth Ratio?

Area of Cross-Section for Partial Flow given Hydraulic Mean Depth Ratio Example

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Here is how the Area of Cross-Section for Partial Flow given Hydraulic Mean Depth Ratio equation looks like with Values.

Here is how the Area of Cross-Section for Partial Flow given Hydraulic Mean Depth Ratio equation looks like with Units.

Here is how the Area of Cross-Section for Partial Flow given Hydraulic Mean Depth Ratio equation looks like.

3.8357Edit=5.4Edit(17.48Edit32.5Edit(0.74Edit0.9Edit)(0.61Edit)16)
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Area of Cross-Section for Partial Flow given Hydraulic Mean Depth Ratio Solution

Follow our step by step solution on how to calculate Area of Cross-Section for Partial Flow given Hydraulic Mean Depth Ratio?

FIRST Step Consider the formula
a=A(qQ(Nnp)(R)16)
Next Step Substitute values of Variables
a=5.4(17.48m³/s32.5m³/s(0.740.9)(0.61)16)
Next Step Prepare to Evaluate
a=5.4(17.4832.5(0.740.9)(0.61)16)
Next Step Evaluate
a=3.8356677203907
LAST Step Rounding Answer
a=3.8357

Area of Cross-Section for Partial Flow given Hydraulic Mean Depth Ratio Formula Elements

Variables
Area of Partially Full Sewers
The Area of Partially Full Sewers refers to the cross-sectional flow area at a given water depth, crucial for hydraulic and flow rate calculations.
Symbol: a
Measurement: AreaUnit:
Note: Value should be greater than 0.
Area of Running Full Sewers
The Area of Running Full Sewers refers to the total cross-sectional area of the pipe when it is completely filled with fluid.
Symbol: A
Measurement: AreaUnit:
Note: Value should be greater than 0.
Discharge when Pipe is Running Partially Full
Discharge when Pipe is Running Partially Full means water is flowing partially form the pipe.
Symbol: q
Measurement: Volumetric Flow RateUnit: m³/s
Note: Value should be greater than 0.
Discharge when Pipe is Running Full
Discharge when Pipe is Running Full means water is flowing through the whole cross-section of pipe.
Symbol: Q
Measurement: Volumetric Flow RateUnit: m³/s
Note: Value should be greater than 0.
Roughness Coefficient for Running Full
The Roughness Coefficient for Running Full accounts for uniform surface resistance affecting flow velocity and friction loss.
Symbol: N
Measurement: NAUnit: Unitless
Note: Value should be greater than 0.
Roughness Coefficient Partially Full
Roughness Coefficient Partially Full means roughness coefficient of pipe while running partially full.
Symbol: np
Measurement: NAUnit: Unitless
Note: Value should be greater than 0.
Hydraulic Mean Depth Ratio
The Hydraulic Mean Depth Ratio refers to the ratio of the hydraulic mean depth for a partially full pipe to that when it's running full.
Symbol: R
Measurement: NAUnit: Unitless
Note: Value should be greater than 0.

Other Formulas to find Area of Partially Full Sewers

​Go Area of Cross-Section for Partial Flow given Discharge Ratio
a=A(qsQratio(Nnp)(rpfRrf)16)
​Go Area of Cross-section for Partial Flow given Hydraulic Mean Depth and Discharge Ratio
a=A(qsQratio(Nnp)(R)16)

Other formulas in Area of Cross Section of Circular Sewer category

​Go Area of Cross-Section for Full Flow given Hydraulic Mean Depth Ratio
A=aqQ(Nnp)(R)16
​Go Area of Cross-section for Full Flow given Discharge Ratio
A=aqsQratio(Nnp)(rpfRrf)16

How to Evaluate Area of Cross-Section for Partial Flow given Hydraulic Mean Depth Ratio?

Area of Cross-Section for Partial Flow given Hydraulic Mean Depth Ratio evaluator uses Area of Partially Full Sewers = Area of Running Full Sewers*((Discharge when Pipe is Running Partially Full/Discharge when Pipe is Running Full)/((Roughness Coefficient for Running Full/Roughness Coefficient Partially Full)*(Hydraulic Mean Depth Ratio)^(1/6))) to evaluate the Area of Partially Full Sewers, The Area of Cross-Section for Partial Flow given Hydraulic Mean Depth Ratio is defined as the cross-sectional area occupied by the flow, depending on the depth of water in the sewer. Area of Partially Full Sewers is denoted by a symbol.

How to evaluate Area of Cross-Section for Partial Flow given Hydraulic Mean Depth Ratio using this online evaluator? To use this online evaluator for Area of Cross-Section for Partial Flow given Hydraulic Mean Depth Ratio, enter Area of Running Full Sewers (A), Discharge when Pipe is Running Partially Full (q), Discharge when Pipe is Running Full (Q), Roughness Coefficient for Running Full (N), Roughness Coefficient Partially Full (np) & Hydraulic Mean Depth Ratio (R) and hit the calculate button.

FAQs on Area of Cross-Section for Partial Flow given Hydraulic Mean Depth Ratio

What is the formula to find Area of Cross-Section for Partial Flow given Hydraulic Mean Depth Ratio?
The formula of Area of Cross-Section for Partial Flow given Hydraulic Mean Depth Ratio is expressed as Area of Partially Full Sewers = Area of Running Full Sewers*((Discharge when Pipe is Running Partially Full/Discharge when Pipe is Running Full)/((Roughness Coefficient for Running Full/Roughness Coefficient Partially Full)*(Hydraulic Mean Depth Ratio)^(1/6))). Here is an example- 6.14409 = 5.4*((17.48/32.5)/((0.74/0.9)*(0.61)^(1/6))).
How to calculate Area of Cross-Section for Partial Flow given Hydraulic Mean Depth Ratio?
With Area of Running Full Sewers (A), Discharge when Pipe is Running Partially Full (q), Discharge when Pipe is Running Full (Q), Roughness Coefficient for Running Full (N), Roughness Coefficient Partially Full (np) & Hydraulic Mean Depth Ratio (R) we can find Area of Cross-Section for Partial Flow given Hydraulic Mean Depth Ratio using the formula - Area of Partially Full Sewers = Area of Running Full Sewers*((Discharge when Pipe is Running Partially Full/Discharge when Pipe is Running Full)/((Roughness Coefficient for Running Full/Roughness Coefficient Partially Full)*(Hydraulic Mean Depth Ratio)^(1/6))).
What are the other ways to Calculate Area of Partially Full Sewers?
Here are the different ways to Calculate Area of Partially Full Sewers-
  • Area of Partially Full Sewers=Area of Running Full Sewers*(Discharge Ratio/((Roughness Coefficient for Running Full/Roughness Coefficient Partially Full)*(Hydraulic Mean Depth for Partially Full/Hydraulic Mean Depth while Running Full)^(1/6)))OpenImg
  • Area of Partially Full Sewers=Area of Running Full Sewers*(Discharge Ratio/((Roughness Coefficient for Running Full/Roughness Coefficient Partially Full)*(Hydraulic Mean Depth Ratio)^(1/6)))OpenImg
Can the Area of Cross-Section for Partial Flow given Hydraulic Mean Depth Ratio be negative?
No, the Area of Cross-Section for Partial Flow given Hydraulic Mean Depth Ratio, measured in Area cannot be negative.
Which unit is used to measure Area of Cross-Section for Partial Flow given Hydraulic Mean Depth Ratio?
Area of Cross-Section for Partial Flow given Hydraulic Mean Depth Ratio is usually measured using the Square Meter[m²] for Area. Square Kilometer[m²], Square Centimeter[m²], Square Millimeter[m²] are the few other units in which Area of Cross-Section for Partial Flow given Hydraulic Mean Depth Ratio can be measured.
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