Velocity for Regime Channel using Lacey's Theory Solution

STEP 0: Pre-Calculation Summary
Formula Used
Velocity of Flow in Meter = ((Discharge for Regime Channel*Silt Factor^2)/140)^0.166
V = ((Q*f^2)/140)^0.166
This formula uses 3 Variables
Variables Used
Velocity of Flow in Meter - (Measured in Meter per Second) - Velocity of flow in meter is the flow velocity is defined as a superficial volume average, and it corresponds to a unit volume of the medium, including both the pores and the matrix.
Discharge for Regime Channel - (Measured in Cubic Meter per Second) - Discharge for Regime Channel is a stream channel if it is transporting water and sediment in equilibrium such that there is neither scour of the channel bed.
Silt Factor - Silt factor indicates the type of bed material from clay to heavy sand.
STEP 1: Convert Input(s) to Base Unit
Discharge for Regime Channel: 35 Cubic Meter per Second --> 35 Cubic Meter per Second No Conversion Required
Silt Factor: 4.22 --> No Conversion Required
STEP 2: Evaluate Formula
Substituting Input Values in Formula
V = ((Q*f^2)/140)^0.166 --> ((35*4.22^2)/140)^0.166
Evaluating ... ...
V = 1.28133230330329
STEP 3: Convert Result to Output's Unit
1.28133230330329 Meter per Second --> No Conversion Required
FINAL ANSWER
1.28133230330329 1.281332 Meter per Second <-- Velocity of Flow in Meter
(Calculation completed in 00.004 seconds)

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Lacey's Theory Calculators

Velocity for Regime Channel using Lacey's Theory
​ LaTeX ​ Go Velocity of Flow in Meter = ((Discharge for Regime Channel*Silt Factor^2)/140)^0.166
Hydraulic Mean Depth for Regime Channel using Lacey's Theory
​ LaTeX ​ Go Hydraulic Mean Depth in Meters = (5/2)*((Velocity of Flow in Meter)^2/Silt Factor)
Area of Regime Channel Section
​ LaTeX ​ Go Area of Channel = (Discharge for Regime Channel/Velocity of Flow in Meter)
Wetted Perimeter of Channel
​ LaTeX ​ Go Perimeter of Channel = 4.75*sqrt(Discharge for Regime Channel)

Velocity for Regime Channel using Lacey's Theory Formula

​LaTeX ​Go
Velocity of Flow in Meter = ((Discharge for Regime Channel*Silt Factor^2)/140)^0.166
V = ((Q*f^2)/140)^0.166

What is Regime Condition?

A channel is said to be in regime condition if it is transporting water and sediment in equilibrium such that there is neither silting nor scouring of the channel

What is Silt Grade and Silt Charge?

Silt charge is defined as the weight of silt per unit volume of water. Average size of silt particles is just a number. As we know range of silt particles is 0.002 mm to 0.005 mm.

How to Calculate Velocity for Regime Channel using Lacey's Theory?

Velocity for Regime Channel using Lacey's Theory calculator uses Velocity of Flow in Meter = ((Discharge for Regime Channel*Silt Factor^2)/140)^0.166 to calculate the Velocity of Flow in Meter, The Velocity for Regime Channel using Lacey's Theory formula is defined as the mean velocity in a Lacey channel is proportional to R2/3 where R = hydraulic radius. Velocity of Flow in Meter is denoted by V symbol.

How to calculate Velocity for Regime Channel using Lacey's Theory using this online calculator? To use this online calculator for Velocity for Regime Channel using Lacey's Theory, enter Discharge for Regime Channel (Q) & Silt Factor (f) and hit the calculate button. Here is how the Velocity for Regime Channel using Lacey's Theory calculation can be explained with given input values -> 1.281332 = ((35*4.22^2)/140)^0.166.

FAQ

What is Velocity for Regime Channel using Lacey's Theory?
The Velocity for Regime Channel using Lacey's Theory formula is defined as the mean velocity in a Lacey channel is proportional to R2/3 where R = hydraulic radius and is represented as V = ((Q*f^2)/140)^0.166 or Velocity of Flow in Meter = ((Discharge for Regime Channel*Silt Factor^2)/140)^0.166. Discharge for Regime Channel is a stream channel if it is transporting water and sediment in equilibrium such that there is neither scour of the channel bed & Silt factor indicates the type of bed material from clay to heavy sand.
How to calculate Velocity for Regime Channel using Lacey's Theory?
The Velocity for Regime Channel using Lacey's Theory formula is defined as the mean velocity in a Lacey channel is proportional to R2/3 where R = hydraulic radius is calculated using Velocity of Flow in Meter = ((Discharge for Regime Channel*Silt Factor^2)/140)^0.166. To calculate Velocity for Regime Channel using Lacey's Theory, you need Discharge for Regime Channel (Q) & Silt Factor (f). With our tool, you need to enter the respective value for Discharge for Regime Channel & Silt Factor 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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