Mean Wind Velocity at Ground Level given Evaporation Loss Per Day Solution

STEP 0: Pre-Calculation Summary
Formula Used
Mean Wind Velocity = ((Evaporation Loss per Day/(Rohwer's Formula Constant*(1.465-(0.00732*Atmospheric Pressure))*(Maximum Vapour Pressure-Actual Vapour Pressure)))-0.44)/0.0732
u = ((E/(C'*(1.465-(0.00732*Pa))*(V-v)))-0.44)/0.0732
This formula uses 6 Variables
Variables Used
Mean Wind Velocity - (Measured in Centimeter per Second) - Mean Wind Velocity refers to the wind in kilometers per hour at a height of about 9 meters above the ground.
Evaporation Loss per Day - (Measured in Meter) - Evaporation Loss per Day refers to the amount of water lost from a surface due to evaporation within a single day, typically measured in millimeters (mm).
Rohwer's Formula Constant - Rohwer's Formula Constant refers to an empirical coefficient used in Rohwer's equation to estimate evaporation rates, adjusting for local climatic conditions.
Atmospheric Pressure - (Measured in Centimeter Mercury (0 °C)) - Atmospheric pressure refers to the force exerted by the weight of the atmosphere on a surface, typically measured in pascals (Pa), millibars (mb), or inches of mercury (inHg).
Maximum Vapour Pressure - (Measured in Centimeter Mercury (0 °C)) - The Maximum Vapour Pressure refers to the highest pressure exerted by a vapour in equilibrium with its liquid at a given temperature, often measured in cm Hg or kPa.
Actual Vapour Pressure - (Measured in Centimeter Mercury (0 °C)) - The Actual vapour pressure refers to the pressure exerted by the water vapour present in the air, reflecting the current humidity and temperature, typically measured in cm Hg or kPa.
STEP 1: Convert Input(s) to Base Unit
Evaporation Loss per Day: 8.29 Centimeter --> 0.0829 Meter (Check conversion ​here)
Rohwer's Formula Constant: 0.75 --> No Conversion Required
Atmospheric Pressure: 74.83 Centimeter Mercury (0 °C) --> 74.83 Centimeter Mercury (0 °C) No Conversion Required
Maximum Vapour Pressure: 0.6 Centimeter Mercury (0 °C) --> 0.6 Centimeter Mercury (0 °C) No Conversion Required
Actual Vapour Pressure: 0.4 Centimeter Mercury (0 °C) --> 0.4 Centimeter Mercury (0 °C) No Conversion Required
STEP 2: Evaluate Formula
Substituting Input Values in Formula
u = ((E/(C'*(1.465-(0.00732*Pa))*(V-v)))-0.44)/0.0732 --> ((0.0829/(0.75*(1.465-(0.00732*74.83))*(0.6-0.4)))-0.44)/0.0732
Evaluating ... ...
u = 2.2203462302081
STEP 3: Convert Result to Output's Unit
0.022203462302081 Meter per Second -->0.0799324642874917 Kilometer per Hour (Check conversion ​here)
FINAL ANSWER
0.0799324642874917 0.079932 Kilometer per Hour <-- Mean Wind Velocity
(Calculation completed in 00.020 seconds)

Credits

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Created by Suraj Kumar
Birsa Institute of Technology (BIT), Sindri
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Evaporation and Transpiration Calculators

Monthly Mean Wind Velocity given Evaporation Loss Per Month
​ LaTeX ​ Go Mean Wind Velocity = ((Evaporation Loss per Month/(Meyer's Constant*(Maximum Vapour Pressure-Actual Vapour Pressure)))-1)*16
Maximum Vapour Pressure given Evaporation Loss Per Month
​ LaTeX ​ Go Maximum Vapour Pressure = Actual Vapour Pressure+(Evaporation Loss per Month/(Meyer's Constant*(1+(Mean Wind Velocity/16))))
Actual Vapour Pressure given Evaporation Loss Per Month
​ LaTeX ​ Go Actual Vapour Pressure = Maximum Vapour Pressure-(Evaporation Loss per Month/(Meyer's Constant*(1+(Mean Wind Velocity/16))))
Evaporation Loss Per Month
​ LaTeX ​ Go Evaporation Loss per Month = Meyer's Constant*(Maximum Vapour Pressure-Actual Vapour Pressure)*(1+(Mean Wind Velocity/16))

Mean Wind Velocity at Ground Level given Evaporation Loss Per Day Formula

​LaTeX ​Go
Mean Wind Velocity = ((Evaporation Loss per Day/(Rohwer's Formula Constant*(1.465-(0.00732*Atmospheric Pressure))*(Maximum Vapour Pressure-Actual Vapour Pressure)))-0.44)/0.0732
u = ((E/(C'*(1.465-(0.00732*Pa))*(V-v)))-0.44)/0.0732

What is Vapour Pressure ?

Vapour pressure is a measure of the tendency of a material to change into the gaseous or vapour state, and it increases with temperature.

How to Calculate Mean Wind Velocity at Ground Level given Evaporation Loss Per Day?

Mean Wind Velocity at Ground Level given Evaporation Loss Per Day calculator uses Mean Wind Velocity = ((Evaporation Loss per Day/(Rohwer's Formula Constant*(1.465-(0.00732*Atmospheric Pressure))*(Maximum Vapour Pressure-Actual Vapour Pressure)))-0.44)/0.0732 to calculate the Mean Wind Velocity, The Mean Wind Velocity at Ground Level given Evaporation Loss Per Day is defined as the average speed of wind over a specified period, crucial for assessing weather patterns and impacts on various environmental processes. Mean Wind Velocity is denoted by u symbol.

How to calculate Mean Wind Velocity at Ground Level given Evaporation Loss Per Day using this online calculator? To use this online calculator for Mean Wind Velocity at Ground Level given Evaporation Loss Per Day, enter Evaporation Loss per Day (E), Rohwer's Formula Constant (C'), Atmospheric Pressure (Pa), Maximum Vapour Pressure (V) & Actual Vapour Pressure (v) and hit the calculate button. Here is how the Mean Wind Velocity at Ground Level given Evaporation Loss Per Day calculation can be explained with given input values -> 0.277462 = ((0.0829/(0.75*(1.465-(0.00732*99764.8526))*(799.932-533.288)))-0.44)/0.0732.

FAQ

What is Mean Wind Velocity at Ground Level given Evaporation Loss Per Day?
The Mean Wind Velocity at Ground Level given Evaporation Loss Per Day is defined as the average speed of wind over a specified period, crucial for assessing weather patterns and impacts on various environmental processes and is represented as u = ((E/(C'*(1.465-(0.00732*Pa))*(V-v)))-0.44)/0.0732 or Mean Wind Velocity = ((Evaporation Loss per Day/(Rohwer's Formula Constant*(1.465-(0.00732*Atmospheric Pressure))*(Maximum Vapour Pressure-Actual Vapour Pressure)))-0.44)/0.0732. Evaporation Loss per Day refers to the amount of water lost from a surface due to evaporation within a single day, typically measured in millimeters (mm), Rohwer's Formula Constant refers to an empirical coefficient used in Rohwer's equation to estimate evaporation rates, adjusting for local climatic conditions, Atmospheric pressure refers to the force exerted by the weight of the atmosphere on a surface, typically measured in pascals (Pa), millibars (mb), or inches of mercury (inHg), The Maximum Vapour Pressure refers to the highest pressure exerted by a vapour in equilibrium with its liquid at a given temperature, often measured in cm Hg or kPa & The Actual vapour pressure refers to the pressure exerted by the water vapour present in the air, reflecting the current humidity and temperature, typically measured in cm Hg or kPa.
How to calculate Mean Wind Velocity at Ground Level given Evaporation Loss Per Day?
The Mean Wind Velocity at Ground Level given Evaporation Loss Per Day is defined as the average speed of wind over a specified period, crucial for assessing weather patterns and impacts on various environmental processes is calculated using Mean Wind Velocity = ((Evaporation Loss per Day/(Rohwer's Formula Constant*(1.465-(0.00732*Atmospheric Pressure))*(Maximum Vapour Pressure-Actual Vapour Pressure)))-0.44)/0.0732. To calculate Mean Wind Velocity at Ground Level given Evaporation Loss Per Day, you need Evaporation Loss per Day (E), Rohwer's Formula Constant (C'), Atmospheric Pressure (Pa), Maximum Vapour Pressure (V) & Actual Vapour Pressure (v). With our tool, you need to enter the respective value for Evaporation Loss per Day, Rohwer's Formula Constant, Atmospheric Pressure, Maximum Vapour Pressure & Actual Vapour Pressure 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 Mean Wind Velocity?
In this formula, Mean Wind Velocity uses Evaporation Loss per Day, Rohwer's Formula Constant, Atmospheric Pressure, Maximum Vapour Pressure & Actual Vapour Pressure. We can use 1 other way(s) to calculate the same, which is/are as follows -
  • Mean Wind Velocity = ((Evaporation Loss per Month/(Meyer's Constant*(Maximum Vapour Pressure-Actual Vapour Pressure)))-1)*16
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