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Detention Time is the length of time the water is retained in a vessel or basin. Check FAQs
Td=(wLdQ)
Td - Detention Time?w - Width?L - Length?d - Depth?Q - Discharge?

Detention Time given Discharge Example

With values
With units
Only example

Here is how the Detention Time given Discharge equation looks like with Values.

Here is how the Detention Time given Discharge equation looks like with Units.

Here is how the Detention Time given Discharge equation looks like.

6.8929Edit=(2.29Edit3.01Edit3Edit3Edit)
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Detention Time given Discharge Solution

Follow our step by step solution on how to calculate Detention Time given Discharge?

FIRST Step Consider the formula
Td=(wLdQ)
Next Step Substitute values of Variables
Td=(2.29m3.01m3m3m³/s)
Next Step Prepare to Evaluate
Td=(2.293.0133)
LAST Step Evaluate
Td=6.8929s

Detention Time given Discharge Formula Elements

Variables
Detention Time
Detention Time is the length of time the water is retained in a vessel or basin.
Symbol: Td
Measurement: TimeUnit: s
Note: Value should be greater than 0.
Width
Width is the horizontal measurement or dimension of a structure, feature, or area.
Symbol: w
Measurement: LengthUnit: m
Note: Value can be positive or negative.
Length
Length is the measurement or extent of something from end to end.
Symbol: L
Measurement: LengthUnit: m
Note: Value should be greater than 0.
Depth
Depth is the vertical distance from the surface of a reference point, such as the ground or water surface, to a specific point or feature below.
Symbol: d
Measurement: LengthUnit: m
Note: Value can be positive or negative.
Discharge
Discharge is the rate of flow of a liquid.
Symbol: Q
Measurement: Volumetric Flow RateUnit: m³/s
Note: Value should be greater than 0.

Other Formulas to find Detention Time

​Go Detention Time for Rectangular Tank
Td=VQd
​Go Detention Time for Circular Tank
Td=((D)2)((0.011D)+(0.785d)Qd)

Other formulas in Important Formulas of Design of Continuous Flow Type of Sedimentation Tank category

​Go Overflow Rate given Discharge
SOR=QwL
​Go Rate of Flow given Detention Time
qflow=(VTd)
​Go Volume of Tank given Detention Time
V=Tdqflow
​Go Cross-section Area of Tank with known Velocity of Flow of Water
Acs=QVw

How to Evaluate Detention Time given Discharge?

Detention Time given Discharge evaluator uses Detention Time = ((Width*Length*Depth)/Discharge) to evaluate the Detention Time, The Detention Time given Discharge formula is defined as theoretical time required for given amount of water or wastewater to pass through tank at given rate of flow. Detention Time is denoted by Td symbol.

How to evaluate Detention Time given Discharge using this online evaluator? To use this online evaluator for Detention Time given Discharge, enter Width (w), Length (L), Depth (d) & Discharge (Q) and hit the calculate button.

FAQs on Detention Time given Discharge

What is the formula to find Detention Time given Discharge?
The formula of Detention Time given Discharge is expressed as Detention Time = ((Width*Length*Depth)/Discharge). Here is an example- 0.001915 = ((2.29*3.01*3)/3).
How to calculate Detention Time given Discharge?
With Width (w), Length (L), Depth (d) & Discharge (Q) we can find Detention Time given Discharge using the formula - Detention Time = ((Width*Length*Depth)/Discharge).
What are the other ways to Calculate Detention Time?
Here are the different ways to Calculate Detention Time-
  • Detention Time=Volume of Tank/Discharge in TankOpenImg
  • Detention Time=((Diameter)^2)*(((0.011*Diameter)+(0.785*Depth))/Discharge in Tank)OpenImg
Can the Detention Time given Discharge be negative?
No, the Detention Time given Discharge, measured in Time cannot be negative.
Which unit is used to measure Detention Time given Discharge?
Detention Time given Discharge is usually measured using the Second[s] for Time. Millisecond[s], Microsecond[s], Nanosecond[s] are the few other units in which Detention Time given Discharge can be measured.
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