BSI BS 5514-3:1990

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Reciprocating internal combustion engines: performance -- Specification for test measurements

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A newer publication replaces it: BSI BS ISO 3046-3


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BSI BS 5514-3:1990

Reciprocating internal combustion engines: performance -- Specification for test measurements

PUBLISH DATE 1990
PAGES 12
BSI BS 5514-3:1990

SPECIFICATION FOR TEST MEASURE

Common measurement techniques of main performance parameters of engines include various methods to assess critical operational characteristics effectively.

The parameters measured typically cover aspects such as power output, torque, fuel consumption, and exhaust emissions. Units and permissible deviations for the measured values are strictly defined to ensure consistency and reliability.

Measurement units commonly used are:

  • Power output: kilowatts (kW) or horsepower (hp)
  • Torque: Newton-meters (Nm)
  • Fuel consumption: liters per hour (L/h) or grams per kilowatt-hour (g/kWh)
  • Exhaust emissions: parts per million (ppm) or grams per kilometer (g/km)

Permissible deviations vary depending on the specific parameter and applicable standards but remain within tight tolerances to maintain engine performance integrity.

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