Thermodynamics Glossary

Equations

Energy Quantities

Term	Symbol	Units
Internal Energy	$U$	$\text{kJ}$
Specific internal energy	$u$	$\text{kJ}/\text{kg}$
Heat	$Q$	$\text{kJ}$
Specific heat	$q$	$\text{kJ}/\text{kg}$
Work	$W$	$\text{kJ}$

Thermodynamic Properties

Term	Symbol	Units
Enthalpy	$H$	$\text{kJ}$
Quality	$x$	Dimensionless

Unit Breakdowns

Unit	Breakdown
$\text{J}$ – joule	$\frac{\text{kg}\cdot {\text{m}}^2}{{\text{s}}^2}=\text{N}\cdot \text{m}$
$\text{W}$ – watt	$\frac{\text{kg}\cdot {\text{m}}^2}{{\text{s}}^3}=\frac{\text{J}}{\text{s}}$

Property Table