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An introduction to energy resources
An introduction to energy resources

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S278_2 Glossary

S278_2 Glossary.

Browse the glossary using this index

Special | A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z | ALL

E

Energy

The capacity to do work, measured in joules (J).

Energy density

The amount of energy stored by a resource relative to the volume that it occupies.

Energy efficiency

The ratio of the useful output of work to the input of energy supplied — usually expressed as a percentage.

Enthalpy

The total energy content of a physical system.