Gay–Lussac Number
The GayLussac number characterizes the relative thermal volume expansion of substances.
The Gay\[Hyphen]Lussac number equals the reciprocal of the product of the coefficient of thermal expansion and the temperature difference.
Formula
![Copy to Clipboard QuantityVariable["Ga", "GayLussacNumber"] == 1/(QuantityVariable["α", "ThermalExpansionCoefficient"]*QuantityVariable["Δ​T", "TemperatureDifference"])](https://www.wolframcloud.com/objects/resourcesystem/marketplacestorage/resources/f14/f146ef98-bf65-4d16-833c-31bdac06c205/Webpage/FormulaImage.png)
| symbol | description | physical quantity |
|---|---|---|
| Ga | GayLussac number | "GayLussacNumber" |
| α | coefficient of thermal expansion | "ThermalExpansionCoefficient" |
| Δ​T | temperature difference | "TemperatureDifference" |
Forms
Examples
Get the resource:
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| Out[1]= | ![]() |
Get the formula:
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Use some values:
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| Out[3]= |

![FormulaData[
ResourceObject[
"Gay\[Dash]Lussac Number"], {QuantityVariable[
"Ga","GayLussacNumber"] -> 19000000,
QuantityVariable["\[Alpha]","ThermalExpansionCoefficient"] ->
Quantity[0.000018999999999999998`, 1/("KelvinsDifference")]}]](images/f14/f146ef98-bf65-4d16-833c-31bdac06c205-io-3-i.en.gif)