IEVref:811-06-42ID:
Language:enStatus: Obsolete
Term: effective deceleration (as a function of distance)
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Definition: the value of deceleration γe obtained by dividing the difference of the squares of the initial and final speeds by twice the distance travelled while the reduction of speed is taking place :

γ e = V i 2 V t 2 2l MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbbjxAHX garuavP1wzZbItLDhis9wBH5garmWu51MyVXgaruWqVvNCPvMCG4uz 3bqee0evGueE0jxyaibaieYdi9WrpeeC0lXdi9qqqj=hEeeu0lXdbb a9frFj0xb9Lqpepeea0xd9s8qiYRWxGi6xij=hbba9q8aq0=yq=He9 q8qiLsFr0=vr0=vr0db8meaabaGacmGadiWaaiWabaabaiaafaaake aacqaHZoWzdaWgaaWcbaGaaeyzaaqabaGccqGH9aqpdaWcaaqaaiaa dAfadaqhaaWcbaGaaeyAaaqaaiaaikdaaaGccqGHsislcaWGwbWaa0 baaSqaaiaabshaaeaacaaIYaaaaaGcbaGaaGOmaiaadYgaaaaaaa@4581@

where:
l is the distance between the position of the train or vehicle at the moment of the operation of the brake control and its position when the final speed is attained ;
Vi is the initial speed measured at the moment of operation of the control device for the brake ;
Vt is the final speed obtained at the end of the braking


Publication date:1991-09
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Internal notes:2017-06-02: Cleanup - Remove Attached Image 811-06-42.gif
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