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Volume of Return Flow Formula

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Volume of Return Flow from irrigation, domestic water supply and industrial use. Check FAQs
Vr=-RN+Ro+Vd+EM+Fx+ΔSv
Vr - Volume of Return Flow?RN - Natural Flow Volume?Ro - Observed Flow Volume?Vd - Volume Diverted Out of Stream?EM - Net Evaporation Losses?Fx - Net Export of Water from Basin?ΔSv - Change in Storage Volumes?

Volume of Return Flow Example

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Here is how the Volume of Return Flow equation looks like with Values.

Here is how the Volume of Return Flow equation looks like with Units.

Here is how the Volume of Return Flow equation looks like.

10Edit=-174Edit+50Edit+12Edit+2Edit+100Edit+20Edit
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Volume of Return Flow Solution

Follow our step by step solution on how to calculate Volume of Return Flow?

FIRST Step Consider the formula
Vr=-RN+Ro+Vd+EM+Fx+ΔSv
Next Step Substitute values of Variables
∴ Vr=-174m³/s+50m³/s+12m³/s+2+100+20
Next Step Prepare to Evaluate
∴ Vr=-174+50+12+2+100+20
LAST Step Evaluate
∴Vr=10m³/s

Volume of Return Flow Formula Elements

Variables
Volume of Return Flow
Volume of Return Flow from irrigation, domestic water supply and industrial use.
Symbol: Vr
Measurement: Volumetric Flow RateUnit: m³/s
Note: Value should be greater than 0.
Natural Flow Volume
Natural Flow Volume is the quantity of water that would have flowed in a river past a particular point in a particular period.
Symbol: RN
Measurement: Volumetric Flow RateUnit: m³/s
Note: Value should be greater than 0.
Observed Flow Volume
Observed Flow Volume is the recorded the quantity of water that would have flowed in a river past a particular point in a particular period.
Symbol: Ro
Measurement: Volumetric Flow RateUnit: m³/s
Note: Value should be greater than 0.
Volume Diverted Out of Stream
Volume Diverted Out of Stream for irrigation, domestic water supply and industrial use.
Symbol: Vd
Measurement: Volumetric Flow RateUnit: m³/s
Note: Value should be greater than 0.
Net Evaporation Losses
Net Evaporation Losses from Reservoirs on the Stream is the loss of stored volatile liquid component or mixture by evaporation by temperature, pressure, and vapor-recovery systems.
Symbol: EM
Measurement: NAUnit: Unitless
Note: Value should be greater than 0.
Net Export of Water from Basin
Net Export of Water from Basin, any area of land where precipitation collects and drains off into a common outlet.
Symbol: Fx
Measurement: NAUnit: Unitless
Note: Value can be positive or negative.
Change in Storage Volumes
Change in Storage Volumes of water storage bodies on the stream is the difference of water incoming and outgoing.
Symbol: ΔSv
Measurement: NAUnit: Unitless
Note: Value should be greater than 0.

Credits

Creator Image
Created by Mithila Muthamma PA
Coorg Institute of Technology (CIT), Coorg
Mithila Muthamma PA has created this Formula and 2000+ more formulas!
Verifier Image
Verified by Chandana P Dev
NSS College of Engineering (NSSCE), Palakkad
Chandana P Dev has verified this Formula and 1700+ more formulas!

Other formulas in Natural Flow category

​Go Natural Flow Volume
RN=(Ro-Vr)+Vd+EM+Fx+ΔSv
​Go Observed Flow Volume at Terminal Site given Natural Flow Volume
Ro=RN+Vr-Vd-EM-Fx-ΔSv

How to Evaluate Volume of Return Flow?

Volume of Return Flow evaluator uses Volume of Return Flow = -Natural Flow Volume+Observed Flow Volume+Volume Diverted Out of Stream+Net Evaporation Losses+Net Export of Water from Basin+Change in Storage Volumes to evaluate the Volume of Return Flow, The Volume of Return Flow formula is defined as the quantity of surface and subsurface water that leaves the field following the application of irrigation water. Volume of Return Flow is denoted by Vr symbol.

How to evaluate Volume of Return Flow using this online evaluator? To use this online evaluator for Volume of Return Flow, enter Natural Flow Volume (RN), Observed Flow Volume (Ro), Volume Diverted Out of Stream (Vd), Net Evaporation Losses (EM), Net Export of Water from Basin (Fx) & Change in Storage Volumes (ΔSv) and hit the calculate button.

FAQs on Volume of Return Flow

What is the formula to find Volume of Return Flow?
The formula of Volume of Return Flow is expressed as Volume of Return Flow = -Natural Flow Volume+Observed Flow Volume+Volume Diverted Out of Stream+Net Evaporation Losses+Net Export of Water from Basin+Change in Storage Volumes. Here is an example- 10 = -174+50+12+2+100+20.
How to calculate Volume of Return Flow?
With Natural Flow Volume (RN), Observed Flow Volume (Ro), Volume Diverted Out of Stream (Vd), Net Evaporation Losses (EM), Net Export of Water from Basin (Fx) & Change in Storage Volumes (ΔSv) we can find Volume of Return Flow using the formula - Volume of Return Flow = -Natural Flow Volume+Observed Flow Volume+Volume Diverted Out of Stream+Net Evaporation Losses+Net Export of Water from Basin+Change in Storage Volumes.
Can the Volume of Return Flow be negative?
No, the Volume of Return Flow, measured in Volumetric Flow Rate cannot be negative.
Which unit is used to measure Volume of Return Flow?
Volume of Return Flow is usually measured using the Cubic Meter per Second[m³/s] for Volumetric Flow Rate. Cubic Meter per Day[m³/s], Cubic Meter per Hour[m³/s], Cubic Meter per Minute[m³/s] are the few other units in which Volume of Return Flow can be measured.
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