Performance
Spark-ignition engine

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BM2540 V1 Article

Performance


Spark-ignition engine

Author : Jean TRAPY

Publication date: October 10, 2000 | Lire en français

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3. Performance

3.1 Definitions

Two important criteria characterize a motor: its power and its efficiency.

  • The effective powerP e is the product of the torque C measured on the motor output shaft, and the angular speed Ω of this shaft :

    P e = C Ω

    with C in N · m, Ω in rad/s and P e in W.

By entering the engine speed N in rpm : Pe=π30CN

...
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