Partial Pressure of Water Vapour when Temperature Effects are Considered Solution

STEP 0: Pre-Calculation Summary
Formula Used
Partial Pressure of Water Vapour = Saturated Vapor Pressure of Water-0.7*Temperature Change
e = ew-0.7*ΔT
This formula uses 3 Variables
Variables Used
Partial Pressure of Water Vapour - (Measured in Millibar) - Partial pressure of water vapour is the vapour pressure in any gas mixture in equilibrium with solid or liquid water.
Saturated Vapor Pressure of Water - (Measured in Millibar) - Saturated Vapor Pressure of water is the pressure at which water vapor is in thermodynamic equilibrium with its condensed state.
Temperature Change - Temperature Change is a process whereby the degree of hotness of a body (or medium) changes.
STEP 1: Convert Input(s) to Base Unit
Saturated Vapor Pressure of Water: 1013 Millibar --> 1013 Millibar No Conversion Required
Temperature Change: 10 --> No Conversion Required
STEP 2: Evaluate Formula
Substituting Input Values in Formula
e = ew-0.7*ΔT --> 1013-0.7*10
Evaluating ... ...
e = 1006
STEP 3: Convert Result to Output's Unit
100600 Pascal -->1006 Millibar (Check conversion here)
FINAL ANSWER
1006 Millibar <-- Partial Pressure of Water Vapour
(Calculation completed in 00.004 seconds)

Credits

Created by Chandana P Dev
NSS College of Engineering (NSSCE), Palakkad
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Meerut Institute of Engineering and Technology (MIET), Meerut
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11 EDM Corrections Calculators

Barometric Pressure given Group Refractive Index
Go Barometric Pressure = ((Group Refractive Index-1)+(((11.27*10^-6*Partial Pressure of Water Vapour)/(273.15+Temperature in Celsius))))*((273.15+Temperature in Celsius)/(0.269578*(Group Refractive Index for Standard Condition-1)))
Group Refractive Index if Temperature and Humidity are different from Standard Values
Go Group Refractive Index = 1+((0.269578*(Group Refractive Index for Standard Condition-1)*Barometric Pressure)/(273.15+Temperature in Celsius))-((11.27/(273.15+Temperature in Celsius))*10^-6*Partial Pressure of Water Vapour)
IUCG Formula for Refractive Index
Go Group Refractive Index = 1+(0.000077624*Barometric Pressure/(273.15+Temperature in Celsius))-(((12.924/(273.15+Temperature in Celsius))+(371900/(273.15+Temperature in Celsius)^2))*10^-6*Partial Pressure of Water Vapour)
Essen and Froome Formula for Group Refractive Index
Go Group Refractive Index = 1+(77.624*Barometric Pressure*10^-6/(273.15+Temperature in Celsius))+((0.372/(273.15+Temperature in Celsius)^2)-(12.92*10^-6/(273.15+Temperature in Celsius)))*Partial Pressure of Water Vapour
Overall Standard Error
Go Overall Standard Error = sqrt(Standard Error e^2+(Distance Traveled*Standard Error p*10^-6)^2)
Corrected Slope Distance for Refractive Index
Go Corrected Slope = (Standard Refractive Index/Refractive Index)*Measured Distance
Group Refractive Index at Standard Conditions
Go Group Refractive Index for Standard Condition = 1+(287.604+(4.8864/Wavelength^2)+(0.068/Wavelength^4))*10^-6
Temperature Difference given Partial Pressure
Go Temperature Change = (Saturated Vapor Pressure of Water-Partial Pressure of Water Vapour)/0.7
Partial Pressure of Water Vapour when Temperature Effects are Considered
Go Partial Pressure of Water Vapour = Saturated Vapor Pressure of Water-0.7*Temperature Change
Wave Velocity in Medium
Go Wave Velocity = Velocity in Vacuum/Refractive Index
Wave Velocity in Vacuum
Go Velocity in Vacuum = Wave Velocity*Refractive Index

Partial Pressure of Water Vapour when Temperature Effects are Considered Formula

Partial Pressure of Water Vapour = Saturated Vapor Pressure of Water-0.7*Temperature Change
e = ew-0.7*ΔT

Why the Calculation of Refractive Index is Important?

Calculation of refractive index 'n' is needed only in high-precision distance measurements. In routine surveys, nomograms for the refractive index corrections, usually supplied by the manufacturers with EDM instruments, can be used.

What is Temperature Change Represented in the Above Equation?

It is the difference between the dry bulb temperature reading and wet bulb temperature reading. Wet bulb temperature is the lowest temperature to which air can be cooled by the evaporation of water into the air at a constant pressure. The dry bulb temperature is the ambient temperature. The difference between these two temperatures is a measure of the humidity of the air.

How to Calculate Partial Pressure of Water Vapour when Temperature Effects are Considered?

Partial Pressure of Water Vapour when Temperature Effects are Considered calculator uses Partial Pressure of Water Vapour = Saturated Vapor Pressure of Water-0.7*Temperature Change to calculate the Partial Pressure of Water Vapour, The Partial Pressure of Water Vapour when Temperature Effects are Considered formula is defined as the pressure exerted by the gas in a mixture of air. It can be found using dry and wet bulb thermometer readings. The saturated vapour pressure should be given in millibars. Partial Pressure of Water Vapour is denoted by e symbol.

How to calculate Partial Pressure of Water Vapour when Temperature Effects are Considered using this online calculator? To use this online calculator for Partial Pressure of Water Vapour when Temperature Effects are Considered, enter Saturated Vapor Pressure of Water (ew) & Temperature Change (ΔT) and hit the calculate button. Here is how the Partial Pressure of Water Vapour when Temperature Effects are Considered calculation can be explained with given input values -> 10.06 = 101300-0.7*10.

FAQ

What is Partial Pressure of Water Vapour when Temperature Effects are Considered?
The Partial Pressure of Water Vapour when Temperature Effects are Considered formula is defined as the pressure exerted by the gas in a mixture of air. It can be found using dry and wet bulb thermometer readings. The saturated vapour pressure should be given in millibars and is represented as e = ew-0.7*ΔT or Partial Pressure of Water Vapour = Saturated Vapor Pressure of Water-0.7*Temperature Change. Saturated Vapor Pressure of water is the pressure at which water vapor is in thermodynamic equilibrium with its condensed state & Temperature Change is a process whereby the degree of hotness of a body (or medium) changes.
How to calculate Partial Pressure of Water Vapour when Temperature Effects are Considered?
The Partial Pressure of Water Vapour when Temperature Effects are Considered formula is defined as the pressure exerted by the gas in a mixture of air. It can be found using dry and wet bulb thermometer readings. The saturated vapour pressure should be given in millibars is calculated using Partial Pressure of Water Vapour = Saturated Vapor Pressure of Water-0.7*Temperature Change. To calculate Partial Pressure of Water Vapour when Temperature Effects are Considered, you need Saturated Vapor Pressure of Water (ew) & Temperature Change (ΔT). With our tool, you need to enter the respective value for Saturated Vapor Pressure of Water & Temperature Change 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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