thermal efficiency

noun

, Thermodynamics.

1. the ratio of the work output of a heat engine to the heat input expressed in the same units of energy.

thermal efficiency

noun

1. the ratio of the work done by a heat engine to the energy supplied to it Compare efficiency

Word History and Origins

Origin of thermal efficiency¹

First recorded in 1905–10

Example Sentences

The model showed that thermal trapping achieves the target temperature at lower concentrations with the same performance, or at higher thermal efficiency for equal concentration.

From Science Daily

They have made a revolutionary step forward in thermal efficiency - the measure of converting fuel energy to power - by increasing it to more than 50% from the 30% or so of a standard road-going petrol engine.

From BBC

He points out that the high-tech turbo hybrid power units used to power Formula 1 cars since 2014 are among the most efficient ever designed in terms of the percentage of fuel energy that is converted into power - a measure known as thermal efficiency.

From BBC

F1 engines have a thermal efficiency rating of about 50%, while road-car petrol engines are generally in the region of 30%.

From BBC

They have a thermal efficiency - the measure of the conversion of fuel-energy to power - of more than 50%, when a standard road-car internal combustion engine is around 30%.

From BBC