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Division 6.3.5 Engine cycle work

United Kingdom

Original text. Later amendments are not shown.

The calculation of reference and actual cycle work (see point 7.8.3.4) shall be based upon engine power in accordance with point 6.3.1. In this case, P f and P r of equation (6-7) are zero, and P equals P m.

If auxiliaries/equipment are installed in accordance with points 6.3.2 and/or 6.3.3, the power absorbed by them shall be used to correct each instantaneous cycle power value P m,i, by means of equation (6-8):

P i = P m,i – P f,i + P r,i (6-7)
P AUX = P r,i – P f,i (6-8)

Where:

P m,i

  • is the measured engine power, kW

    • P f,i

  • is the power absorbed by auxiliaries/equipment to be fitted for the test but that were not installed, kW

    • P r,i

  • is the power absorbed by auxiliaries/equipment to be removed for the test but that were installed, kW.