Enthalpy in Propulsion Formulas

Enthalpy is the amount of heat energy per unit mass of a substance. And is denoted by h. Enthalpy is usually measured using the Kilojoule per Kilogram for Specific Energy. Note that the value of Enthalpy is always negative.

Formulas to find Enthalpy in Propulsion

fxEnthalpy of Ideal Gas at given TemperatureGo

Propulsion formulas that make use of Enthalpy

fxStagnation enthalpyGo

List of variables in Propulsion formulas

fx Specific Heat Capacity at Constant Pressure Go

fx Temperature Go

FAQ

What is the Enthalpy?

Enthalpy is the amount of heat energy per unit mass of a substance. Enthalpy is usually measured using the Kilojoule per Kilogram for Specific Energy. Note that the value of Enthalpy is always negative.

Can the Enthalpy be negative?

Yes, the Enthalpy, measured in Specific Energy can be negative.

What unit is used to measure Enthalpy?

Enthalpy is usually measured using the Kilojoule per Kilogram[kJ/kg] for Specific Energy. Joule per Kilogram[kJ/kg], Joule per Gram[kJ/kg], Joule per Centigram[kJ/kg] are the few other units in which Enthalpy can be measured.

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