How to calculate brake power in IC engines?

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Discussion Overview

The discussion revolves around the calculation of brake power in internal combustion (IC) engines, specifically focusing on the concept of brake horsepower and its relation to engine performance. Participants explore different interpretations of the term "brake power," including both theoretical and practical aspects.

Discussion Character

  • Exploratory, Technical explanation, Debate/contested

Main Points Raised

  • One participant provides a formula for calculating horsepower: hp = [RPM * Torque (ft-lbf)]/5252.
  • Another participant shares links to Wikipedia articles that discuss horsepower and brake horsepower, suggesting these as resources for further understanding.
  • A question is raised about whether the inquiry pertains to brake horsepower or the braking forces from engine compression braking, indicating a potential ambiguity in the original question.
  • There is a query regarding whether the discussion is based on a real engine or a theoretical scenario, which may influence the context of the calculations.

Areas of Agreement / Disagreement

Participants do not appear to reach a consensus on the specific focus of the discussion, as there are multiple interpretations of "brake power" and differing contexts (theoretical vs. real engines).

Contextual Notes

The discussion includes ambiguity regarding the definitions of brake power and the context in which it is being calculated, which may affect the applicability of the provided formula and resources.

Vijayent
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Can somebody explain how to calculate brake power in IC engines ?
 
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hp = [RPM * Torque (ft-lbf)]/5252
 
Vijayent said:
Can somebody explain how to calculate brake power in IC engines ?
Are you asking about brake horsepower, or about the braking forces from engine compression braking?
 
is this a real engine or theoretical ?
 

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