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thrust coefficient, CF

Standard

ECSS-E-ST-35C Rev. 1

Definition

ratio of the thrust integrated over an appropriate time interval divided by the integral over the same time interval of the product of throat area and throat total pressure

Notes

  • NOTE 1 In accordance with this definition, the average thrust coefficient can be calculated as: In many cases, t1 is taken to be the ignition time, t0,and t2 is taken the time at burnout (te). In this case, t2 - t1 = tb and the integral of the thrust becomes the total impulse.
  • NOTE 2 Instantaneous and average thrust coefficients are usually referred to as thrust coefficient

Relations

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