Mithila Muthamma PA
Coorg Institute of Technology (CIT), Coorg
Mithila Muthamma PA has created this Calculator and 300+ more calculators!
Himanshi Sharma
Bhilai Institute of Technology (BIT), Raipur
Himanshi Sharma has verified this Calculator and 500+ more calculators!

11 Other formulas that you can solve using the same Inputs

Length of weir or notch for velocity of approach
Length=Discharge/((2/3)*coefficient of discharging*sqrt(2*[g])*(((initial height of liquid+final height of liquid)^1.5)-(final height of liquid^1.5))) GO
Conversion factor when flow velocity is given
conversion factor=((flow velocity*roughness coefficient of conduit surface)/((energy loss^(1/2))*hydraulic radius^(2/3))) GO
Roughness coefficient when flow velocity is given
roughness coefficient of conduit surface=(conversion factor*hydraulic radius^(2/3)*energy loss^(1/2))/flow velocity GO
Energy loss when flow velocity is given
energy loss=((flow velocity*roughness coefficient of conduit surface)/(conversion factor*hydraulic radius^(2/3)))^2 GO
Flow velocity using Manning's formula
flow velocity=(conversion factor*hydraulic radius^(2/3)*energy loss^(1/2))/roughness coefficient of conduit surface GO
Conveyance Function Determined by Manning’s Law
Conveyance Function=(1/Manning’s Roughness Coefficient)*(Cross sectional area)^(5/3)/(Wetted Perimeter)^(2/3) GO
Cease-to-flow Depth when Depth at the Gauging Station given
Cease-to-flow Depth=Depth at the Gauging Station-Head at the Control*(Discharge)-Terms of Order^2 GO
Depth at the Gauging Station
Depth at the Gauging Station=Cease-to-flow Depth+Head at the Control*(Discharge)+Terms of Order^2 GO
Length of weir or notch without velocity of approach
Length=Discharge/((2/3)*coefficient of discharging*sqrt(2*[g])*(initial height of liquid^1.5)) GO
Velocity of piston during retraction
Velocity=Discharge/(Area of piston-Area of piston rod) GO
Velocity of piston during extension
Velocity=Discharge/Area of piston GO

11 Other formulas that calculate the same Output

Cross-Sectional Area When Stress is Applied at Point y in a Curved Beam
Cross sectional area=(Bending Moment /(Stress*Radius of Centroidal Axis))*(1+(Distance of Point from Centroidal Axis/(Cross-Section Property*(Radius of Centroidal Axis+Distance of Point from Centroidal Axis)))) GO
Cross-Sectional Area when Axial Buckling Load for a Warped Section is Given
Cross sectional area=(Axial buckling Load*Polar moment of Inertia)/(Shear Modulus of Elasticity*Torsion constant+((pi^2)*Young's Modulus*Warping Constant/(Length^2))) GO
Cross-Sectional Area when Total Unit Stress in Eccentric Loading is Given
Cross sectional area=Axial Load/(Total Unit Stress-((Axial Load*Outermost Fiber Distance*Distance_from Load Applied/Moment of Inertia about Neutral Axis))) GO
Cross-sectional area of the rod if stress induced in rod due to impact load is known
Cross sectional area=(2*Modulus Of Elasticity*Load Dropped(Impact Load)*Height through which load is dropped)/(Length of Rod*(Stress induced^2)) GO
Cross-Sectional Area when Elastic Critical Buckling Load is Given
Cross sectional area=(Critical Buckling Load*((Coefficient for Column End Conditions*Length/Radius of gyration)^2))/((pi^2)*Young's Modulus) GO
Cross-Sectional Area when Maximum Stress For Short Beams is Given
Cross sectional area=Axial Load/(Maximum stress at crack tip-(Maximum Bending Moment*Distance from the Neutral axis/Moment of Inertia)) GO
Tape Cross-Sectional Area when Temperature Corrections for Nonstandard Tension is Given
Cross sectional area=((Pull on Tape-Total Tension)*Unsupported length)/(Temperature correction*Modulus of elasticity) GO
Cross-Sectional Area when Torsional Buckling Load for Pin Ended Columns is Given
Cross sectional area=Torsional buckling load*Polar moment of Inertia/(Shear Modulus of Elasticity*Torsion constant) GO
Cross-Sectional Area when Critical Buckling Load for Pin Ended Columns is Given
Cross sectional area=Critical Buckling Load*(Slenderness Ratio^2)/((pi^2)*Young's Modulus) GO
Total Cross-Sectional Area of Tensile Reinforcing
Cross sectional area=8*Bending moment/(7*Reinforcement Stress*Depth of the Beam) GO
Area when water flow equation is given
Cross sectional area=water flow/flow velocity GO

Cross-sectional area when Discharge is given from Manning's equation Formula

Cross sectional area=(Discharge*Manning’s Roughness Coefficient)/(hydraulic radius^(2/3)*Bed Slope^(1/2))
A=(Q*n)/(R^(2/3)*S̄^(1/2))
More formulas
Depth at the Gauging Station GO
Cease-to-flow Depth when Depth at the Gauging Station given GO
Friction Slope GO
Instantaneous Discharge when Friction Slope is given GO
Conveyance Function Determined by Manning’s Law GO
Conveyance Function determined by Chézy’s law GO
Diffusion Coefficient in Advection-diffusion flood routing GO
Discharge from Manning's equation GO
Hydraulic Radius in Manning's formula GO
Hydraulic radius when Discharge is given in Manning equation GO
Slope of Gradient of the Stream bed when Discharge is given in Manning's equation GO
Mass flux computation GO
Instantaneous Discharge when Instantaneous Mass flux is given GO
Estimated Distance when Discharge is given in Tracer Method GO
Estimated Distance when Channel Width is given GO
Channel Width when Estimated Distance is given in Tracer Method GO
Water Table depth when Distance is given in Tracer Method GO
Surface Velocity of the river in Float Method GO
Mean River Velocity in Float Method GO
Manning’s Equation GO
Flow velocity in Continuous Discharge Measurements GO
Water Depth when Flow Velocity is given in Continuous Discharge Measurements GO

What is Manning's equation?

The Manning's equation is an empirical equation that applies to uniform flow in open channels and is a function of the channel velocity, flow area and channel slope.

How to Calculate Cross-sectional area when Discharge is given from Manning's equation?

Cross-sectional area when Discharge is given from Manning's equation calculator uses Cross sectional area=(Discharge*Manning’s Roughness Coefficient)/(hydraulic radius^(2/3)*Bed Slope^(1/2)) to calculate the Cross sectional area, Cross-sectional area when Discharge is given from Manning's equation formula is defined by The area of flow is calculated as the total cross-sectional area of the pipe minus the cross-sectional area of the empty space above the water. Cross sectional area and is denoted by A symbol.

How to calculate Cross-sectional area when Discharge is given from Manning's equation using this online calculator? To use this online calculator for Cross-sectional area when Discharge is given from Manning's equation, enter Discharge (Q), Manning’s Roughness Coefficient (n), hydraulic radius (R) and Bed Slope (S̄) and hit the calculate button. Here is how the Cross-sectional area when Discharge is given from Manning's equation calculation can be explained with given input values -> 0.008346 = (1*0.012)/(0.609600000002438^(2/3)*4^(1/2)).

FAQ

What is Cross-sectional area when Discharge is given from Manning's equation?
Cross-sectional area when Discharge is given from Manning's equation formula is defined by The area of flow is calculated as the total cross-sectional area of the pipe minus the cross-sectional area of the empty space above the water and is represented as A=(Q*n)/(R^(2/3)*S̄^(1/2)) or Cross sectional area=(Discharge*Manning’s Roughness Coefficient)/(hydraulic radius^(2/3)*Bed Slope^(1/2)). Discharge is the rate of flow of a liquid, Manning’s Roughness Coefficient represents the roughness or friction applied to the flow by the channel, hydraulic radius 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 and Bed Slope is used to calculate the shear stress at the bed of an open channel containing fluid that is undergoing steady, uniform flow.
How to calculate Cross-sectional area when Discharge is given from Manning's equation?
Cross-sectional area when Discharge is given from Manning's equation formula is defined by The area of flow is calculated as the total cross-sectional area of the pipe minus the cross-sectional area of the empty space above the water is calculated using Cross sectional area=(Discharge*Manning’s Roughness Coefficient)/(hydraulic radius^(2/3)*Bed Slope^(1/2)). To calculate Cross-sectional area when Discharge is given from Manning's equation, you need Discharge (Q), Manning’s Roughness Coefficient (n), hydraulic radius (R) and Bed Slope (S̄). With our tool, you need to enter the respective value for Discharge, Manning’s Roughness Coefficient, hydraulic radius and Bed Slope and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.
How many ways are there to calculate Cross sectional area?
In this formula, Cross sectional area uses Discharge, Manning’s Roughness Coefficient, hydraulic radius and Bed Slope. We can use 11 other way(s) to calculate the same, which is/are as follows -
  • Cross sectional area=(Bending Moment /(Stress*Radius of Centroidal Axis))*(1+(Distance of Point from Centroidal Axis/(Cross-Section Property*(Radius of Centroidal Axis+Distance of Point from Centroidal Axis))))
  • Cross sectional area=Axial Load/(Maximum stress at crack tip-(Maximum Bending Moment*Distance from the Neutral axis/Moment of Inertia))
  • Cross sectional area=Axial Load/(Total Unit Stress-((Axial Load*Outermost Fiber Distance*Distance_from Load Applied/Moment of Inertia about Neutral Axis)))
  • Cross sectional area=Critical Buckling Load*(Slenderness Ratio^2)/((pi^2)*Young's Modulus)
  • Cross sectional area=(Critical Buckling Load*((Coefficient for Column End Conditions*Length/Radius of gyration)^2))/((pi^2)*Young's Modulus)
  • Cross sectional area=Torsional buckling load*Polar moment of Inertia/(Shear Modulus of Elasticity*Torsion constant)
  • Cross sectional area=(Axial buckling Load*Polar moment of Inertia)/(Shear Modulus of Elasticity*Torsion constant+((pi^2)*Young's Modulus*Warping Constant/(Length^2)))
  • Cross sectional area=8*Bending moment/(7*Reinforcement Stress*Depth of the Beam)
  • Cross sectional area=((Pull on Tape-Total Tension)*Unsupported length)/(Temperature correction*Modulus of elasticity)
  • Cross sectional area=(2*Modulus Of Elasticity*Load Dropped(Impact Load)*Height through which load is dropped)/(Length of Rod*(Stress induced^2))
  • Cross sectional area=water flow/flow velocity
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