Goff–Gratch Equation for Water
The Goff–Gratch equation is an experimental correlation proposed to estimate the saturation water vapor pressure at a given temperature.
The Goff-Gratch equation describes a nonlinear relationship between temperature and saturation vapor pressure over water.
Formula
![Copy to Clipboard Log[Quantity[0.0009869232667160128, "Hectopascals"^(-1)]*QuantityVariable[Subscript["P", "w"], "Pressure"]]/Log[10] == 0.008132799999999999*(-1 + 10^(-3.49149*(-1 + Quantity[373.15, "Kelvins"]/QuantityVariable["T", "Temperature"]))) - 1.3816*^-7*(-1 + 10^(11.344*(1 + Quantity[-0.0026798874447273215, "Kelvins"^(-1)]*QuantityVariable["T", "Temperature"]))) + 2.1836673985681023*Log[Quantity[373.15, "Kelvins"]/QuantityVariable["T", "Temperature"]] - 7.90298*(-1 + Quantity[373.15, "Kelvins"]/QuantityVariable["T", "Temperature"])](https://www.wolframcloud.com/objects/resourcesystem/marketplacestorage/resources/ca3/ca32f1c5-c0ce-4f2e-acb9-f7ebb0cdaf07/Webpage/FormulaImage.png)
Forms
Examples
Get the resource:
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Get the formula:
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Use some values:
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