collision frequency


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collision frequency

[kə′lizh·ən ‚frē·kwən·sē]
(physics)
The average number of collisions undergone by a particle traveling through a material, such as an electron traveling through a gas, in a unit time.
References in periodicals archive ?
In the first 18 months of installing the SmartDrive solution on all company-owned trucks, Fraley & Schilling reported a 67 percent decrease in its collision frequency rate.
59 percent in the first quarter of 2016, while collision frequency was 5.
A Knowsley council spokesman said: "There is clear evidence of the effect of reducing traffic speeds on the reduction of collisions and casualties, as collision frequency is reduced at lower speeds and where collisions do occur there is a lower risk of fatal injury.
It was explained in the following way: the addition of PGPR to the food emulsion is not only increased the viscosity of the continuous media but also got adsorbed over the surface of the droplets resulting a decrease in sedimentation rate, collision frequency and an increase in electrostatic as well as steric stability as expected by Equations (1, 2) [25].
Based on Allstate's claims data, the report ranks America's 200 largest cities in terms of collision frequency to identify which have the safest drivers, including how these cities rank when precipitation, whether ice, rain or snow, is a factor.
Secondly, the collision frequency in the network was varied and for a fixed transmission range the performance of CoTRaP was evaluated.
The report, based on Allstate claims data, ranks America's 200 largest citiesi in terms of car collision frequency to identify which cities have the safest drivers.
Long reaction time as caused by the low reaction rate is directly related to low collision frequency among reactants.
Birmingham City Council's 'Information Briefing' circulated by email states: "There is clear evidence of the effect of reducing speeds on the reduction of collisions and casualties, as collision frequency is lower at lower speeds; and where collisions do occur, there is a lower risk of fatal injury at lower speeds.
The counter-current settling regime in the denser fluidized bed creates more opportunities for bubble-particle attachment by increasing the collision frequency and minimizing turbulence.

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