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The Depth of Flow at Inlet refers to the depth of water in a channel or conduit at the point where water enters a structure, such as a culvert, intake structure, or storm water inlet. Check FAQs
y=(Qw3P)23
y - Depth of Flow at Inlet?Qw - Water Flow?P - Perimeter of Grate Opening?

Depth of Flow at Inlet given Inlet Capacity for Flow Depth up to 4.8in Example

With values
With units
Only example

Here is how the Depth of Flow at Inlet given Inlet Capacity for Flow Depth up to 4.8in equation looks like with Values.

Here is how the Depth of Flow at Inlet given Inlet Capacity for Flow Depth up to 4.8in equation looks like with Units.

Here is how the Depth of Flow at Inlet given Inlet Capacity for Flow Depth up to 4.8in equation looks like.

7.1178Edit=(14.61Edit35Edit)23
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Depth of Flow at Inlet given Inlet Capacity for Flow Depth up to 4.8in Solution

Follow our step by step solution on how to calculate Depth of Flow at Inlet given Inlet Capacity for Flow Depth up to 4.8in?

FIRST Step Consider the formula
y=(Qw3P)23
Next Step Substitute values of Variables
y=(14.61m³/s35ft)23
Next Step Convert Units
y=(14.61m³/s31.524m)23
Next Step Prepare to Evaluate
y=(14.6131.524)23
Next Step Evaluate
y=2.16951502809414m
Next Step Convert to Output's Unit
y=7.1178314569733ft
LAST Step Rounding Answer
y=7.1178ft

Depth of Flow at Inlet given Inlet Capacity for Flow Depth up to 4.8in Formula Elements

Variables
Depth of Flow at Inlet
The Depth of Flow at Inlet refers to the depth of water in a channel or conduit at the point where water enters a structure, such as a culvert, intake structure, or storm water inlet.
Symbol: y
Measurement: LengthUnit: ft
Note: Value can be positive or negative.
Water Flow
The Water Flow refers to the movement of water through various natural or engineered systems.
Symbol: Qw
Measurement: Volumetric Flow RateUnit: m³/s
Note: Value can be positive or negative.
Perimeter of Grate Opening
The Perimeter of Grate Opening refers to the boundary or outline of the opening in a grate that allows water to enter a storm water collection or drainage system.
Symbol: P
Measurement: LengthUnit: ft
Note: Value should be greater than 0.

Other Formulas to find Depth of Flow at Inlet

​Go Depth of Flow at Inlet given Runoff Quantity with Full Gutter Flow
y=((Qro0.7Lo)23)-a

Other formulas in Disposing of Storm Water category

​Go Runoff Quantity with Full Gutter Flow
Qro=0.7Lo(a+y)32
​Go Length of Opening given Runoff Quantity with Full Gutter Flow
Lo=Qro0.7(a+y)32
​Go Depression in Curb Inlet given Runoff Quantity with Full Gutter flow
a=((Qro0.7Lo)23)-y
​Go Inlet Capacity for Flow Depth
Qw=3Py32

How to Evaluate Depth of Flow at Inlet given Inlet Capacity for Flow Depth up to 4.8in?

Depth of Flow at Inlet given Inlet Capacity for Flow Depth up to 4.8in evaluator uses Depth of Flow at Inlet = (Water Flow/(3*Perimeter of Grate Opening))^(2/3) to evaluate the Depth of Flow at Inlet, The Depth of flow at inlet given inlet capacity for flow depth up to 4.8in is defined as the perimeter of grate opening over which water may flow when flow depth is up to 4.8 inches. Depth of Flow at Inlet is denoted by y symbol.

How to evaluate Depth of Flow at Inlet given Inlet Capacity for Flow Depth up to 4.8in using this online evaluator? To use this online evaluator for Depth of Flow at Inlet given Inlet Capacity for Flow Depth up to 4.8in, enter Water Flow (Qw) & Perimeter of Grate Opening (P) and hit the calculate button.

FAQs on Depth of Flow at Inlet given Inlet Capacity for Flow Depth up to 4.8in

What is the formula to find Depth of Flow at Inlet given Inlet Capacity for Flow Depth up to 4.8in?
The formula of Depth of Flow at Inlet given Inlet Capacity for Flow Depth up to 4.8in is expressed as Depth of Flow at Inlet = (Water Flow/(3*Perimeter of Grate Opening))^(2/3). Here is an example- 23.35247 = (14.61/(3*1.5240000000061))^(2/3).
How to calculate Depth of Flow at Inlet given Inlet Capacity for Flow Depth up to 4.8in?
With Water Flow (Qw) & Perimeter of Grate Opening (P) we can find Depth of Flow at Inlet given Inlet Capacity for Flow Depth up to 4.8in using the formula - Depth of Flow at Inlet = (Water Flow/(3*Perimeter of Grate Opening))^(2/3).
What are the other ways to Calculate Depth of Flow at Inlet?
Here are the different ways to Calculate Depth of Flow at Inlet-
  • Depth of Flow at Inlet=((Runoff Quantity/(0.7*Length of Opening))^(2/3))-Depression in Curb InletOpenImg
Can the Depth of Flow at Inlet given Inlet Capacity for Flow Depth up to 4.8in be negative?
Yes, the Depth of Flow at Inlet given Inlet Capacity for Flow Depth up to 4.8in, measured in Length can be negative.
Which unit is used to measure Depth of Flow at Inlet given Inlet Capacity for Flow Depth up to 4.8in?
Depth of Flow at Inlet given Inlet Capacity for Flow Depth up to 4.8in is usually measured using the Foot[ft] for Length. Meter[ft], Millimeter[ft], Kilometer[ft] are the few other units in which Depth of Flow at Inlet given Inlet Capacity for Flow Depth up to 4.8in can be measured.
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