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Hydraulic Radius Design Equations Formulas Calculator

Open Channel Flow - Fluid Mechanics - Hydraulics - Hydrology


Solving for hydraulic radius of a fully, half or partially filled pipe.
This calculator will solve steps 1 thru 7 given flow depth and radius.

step   solve for flow depth less than pipe radius  flow depth greater than pipe radius 
    pipe with flow depth less than the radius pipe with flow depth greater than the radius
1 circular segment height circular segment height circular segment height
2 central angle central angle central angle
3 circular segment area circular segment area circular segment area
4 arc length arc length arc length
5 flow area flow area flow area
6 wetted perimeter wetted perimeter wetted perimeter
7 hydraulic radius hydraulic radius hydraulic radius

 


Inputs:

flow depth (d)
pipe radius (r)



Conversions:

flow depth (d)
=0
=0
meter
pipe radius (r)
=0
=0
meter


Solution:

hydraulic radius of a pipe (h)
=NOT CALCULATED 


Other Units:



Change Equation
Select an equation to solve for a different unknown

hydraulic radius
hydraulic radius hydraulic radius
area of section flow area of section flow
wetted perimeter wetted perimeter
hydraulic radius of a pipe hydraulic radius of a pipe

mean depth
mean depth mean depth
area of section flow area of section flow
top water surface width top water surface width

Froude number
Froude number Froude number
flow velocity flow velocity
acceleration of gravity acceleration of gravity
mean depth mean depth




References - Books:

U.S. Department of the Interior Bureau of Reclamation. Water Resources Research Laboratory: Water Measurement Manual. Washington DC, 2001.
Lindeburg, Michael R. 1992. Engineer In Training Reference Manual. Professional Publication, Inc. 8th Edition.

Popular Pages:


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by Jimmy Raymond

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