\[u = \frac{E}{V}\]
Variables
uenergy density (J/m³)
Eenergy (J)
Vvolume (m³)
Description
What is this formula?
The energy density equation calculates the amount of energy stored per unit volume of a material or system.
When to use it
Use this formula when analyzing batteries, fuels, capacitors, energy storage systems, or material energy concentration.
Example
A storage system contains 50000 J of energy in a volume of 0.25 m³.
Data:
E = 50000 J
V = 0.25 m³
Formula:
u = E/V
Substitution:
u = 50000/0.25
Result:
u = 200000 J/m³
Applications
Energy storage systems, battery technology, fuel analysis, material science, thermodynamics, and engineering design.