Relative Efficiency in Engine Dynamics Formulas

The Relative Efficiency of an I.C. engine is the ratio of indicated thermal efficiency to the thermal efficiency of a theoretically reversible cycle. And is denoted by η_r.

Formulas to find Relative Efficiency in Engine Dynamics

fxRelative EfficiencyGo

Engine Dynamics formulas that make use of Relative Efficiency

fxIndicated Thermal Efficiency given Relative EfficiencyGo

List of variables in Engine Dynamics formulas

fx Indicated Thermal Efficiency Go

fx Air Standard Efficiency Go

FAQ

What is the Relative Efficiency?

The Relative Efficiency of an I.C. engine is the ratio of indicated thermal efficiency to the thermal efficiency of a theoretically reversible cycle.

Can the Relative Efficiency be negative?

{YesorNo}, the Relative Efficiency, measured in {OutputVariableMeasurementName} {CanorCannot} be negative.

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