Hydraulic Radius or Hydraulic Mean Depth Calculator

✖Wetted Surface Area of Channel [length^2] is the total area of outer surface in contact with the surrounding water.ⓘ Wetted Surface Area of Channel [A]			+10% -10%
✖Wetted Perimeter of Channel is defined as the surface of the channel bottom and sides in direct contact with the aqueous body.ⓘ Wetted Perimeter of Channel [p]			+10% -10%

✖Hydraulic Radius of Channel is the ratio of the cross-sectional area of a channel or pipe in which a fluid is flowing to the wet perimeter of the conduit.ⓘ Hydraulic Radius or Hydraulic Mean Depth [R_H]

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Formula

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Hydraulic Radius or Hydraulic Mean Depth

Formula

`"R"_{"H"} = "A"/"p"`

Example

`"1.5625m"="25m²"/"16m"`

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Download Section modulus, Hydraulic Depth and Practical Channel Sections Formulas PDF

Hydraulic Radius or Hydraulic Mean Depth Solution

STEP 0: Pre-Calculation Summary

Formula Used

Hydraulic Radius of Channel = Wetted Surface Area of Channel/Wetted Perimeter of Channel
R_H = A/p
This formula uses 3 Variables

Variables Used

Hydraulic Radius of Channel - (Measured in Meter) - Hydraulic Radius of Channel is the ratio of the cross-sectional area of a channel or pipe in which a fluid is flowing to the wet perimeter of the conduit.
Wetted Surface Area of Channel - (Measured in Square Meter) - Wetted Surface Area of Channel [length^2] is the total area of outer surface in contact with the surrounding water.
Wetted Perimeter of Channel - (Measured in Meter) - Wetted Perimeter of Channel is defined as the surface of the channel bottom and sides in direct contact with the aqueous body.

STEP 1: Convert Input(s) to Base Unit

Wetted Surface Area of Channel: 25 Square Meter --> 25 Square Meter No Conversion Required
Wetted Perimeter of Channel: 16 Meter --> 16 Meter No Conversion Required

STEP 2: Evaluate Formula

Substituting Input Values in Formula

R_H = A/p --> 25/16

Evaluating ... ...

R_H = 1.5625

STEP 3: Convert Result to Output's Unit

1.5625 Meter --> No Conversion Required

FINAL ANSWER

1.5625 Meter <-- Hydraulic Radius of Channel

(Calculation completed in 00.004 seconds)

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Home » Engineering » Civil » Hydraulics and Waterworks » Flow in Open Channels » Geometrical Properties of Channel Section » Section modulus, Hydraulic Depth and Practical Channel Sections » Hydraulic Depth » Hydraulic Radius or Hydraulic Mean Depth

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Created by Rithik Agrawal

National Institute of Technology Karnataka (NITK), Surathkal

Rithik Agrawal has created this Calculator and 1300+ more calculators!

Verified by M Naveen

National Institute of Technology (NIT), Warangal

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< 6 Hydraulic Depth Calculators

Wetted Perimeter given Hydraulic Mean Depth

Go Wetted Perimeter of Channel = Wetted Surface Area of Channel/Hydraulic Radius of Channel

Hydraulic Radius or Hydraulic Mean Depth

Go Hydraulic Radius of Channel = Wetted Surface Area of Channel/Wetted Perimeter of Channel

Wetted Area given Hydraulic Mean Depth

Go Wetted Surface Area of Channel = Hydraulic Radius of Channel*Wetted Perimeter of Channel

Wetted Area given Hydraulic Depth

Go Wetted Surface Area of Channel = Hydraulic Depth*Top Width

Top Width given Hydraulic Depth

Go Top Width = Wetted Surface Area of Channel/Hydraulic Depth

Hydraulic Depth

Go Hydraulic Depth = Wetted Surface Area of Channel/Top Width

Hydraulic Radius or Hydraulic Mean Depth Formula

Hydraulic Radius of Channel = Wetted Surface Area of Channel/Wetted Perimeter of Channel
R_H = A/p

What is Hydraulic Radius or Hydraulic Mean Depth?

The cross section of water flowing through a channel or pipe divided by the wetted perimeter of the conduit. Synonym of: hydraulic radius.

How to Calculate Hydraulic Radius or Hydraulic Mean Depth?

Hydraulic Radius or Hydraulic Mean Depth calculator uses Hydraulic Radius of Channel = Wetted Surface Area of Channel/Wetted Perimeter of Channel to calculate the Hydraulic Radius of Channel, The Hydraulic Radius or Hydraulic Mean Depth formula is defined as the ratio of the cross-sectional area of a channel or pipe in which a fluid is flowing to the wetted perimeter of the conduit. Hydraulic Radius of Channel is denoted by R_H symbol.

How to calculate Hydraulic Radius or Hydraulic Mean Depth using this online calculator? To use this online calculator for Hydraulic Radius or Hydraulic Mean Depth, enter Wetted Surface Area of Channel (A) & Wetted Perimeter of Channel (p) and hit the calculate button. Here is how the Hydraulic Radius or Hydraulic Mean Depth calculation can be explained with given input values -> 1.5625 = 25/16.

FAQ

What is Hydraulic Radius or Hydraulic Mean Depth?

The Hydraulic Radius or Hydraulic Mean Depth formula is defined as the ratio of the cross-sectional area of a channel or pipe in which a fluid is flowing to the wetted perimeter of the conduit and is represented as R_H = A/p or Hydraulic Radius of Channel = Wetted Surface Area of Channel/Wetted Perimeter of Channel. Wetted Surface Area of Channel [length^2] is the total area of outer surface in contact with the surrounding water & Wetted Perimeter of Channel is defined as the surface of the channel bottom and sides in direct contact with the aqueous body.

How to calculate Hydraulic Radius or Hydraulic Mean Depth?

The Hydraulic Radius or Hydraulic Mean Depth formula is defined as the ratio of the cross-sectional area of a channel or pipe in which a fluid is flowing to the wetted perimeter of the conduit is calculated using Hydraulic Radius of Channel = Wetted Surface Area of Channel/Wetted Perimeter of Channel. To calculate Hydraulic Radius or Hydraulic Mean Depth, you need Wetted Surface Area of Channel (A) & Wetted Perimeter of Channel (p). With our tool, you need to enter the respective value for Wetted Surface Area of Channel & Wetted Perimeter of Channel and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.

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