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Friday, November 24, 2017

Shifting Right With High Temperature

Given,

v2vp=2RTboomnMm

but

v2boom=3RTboomnMm=v2rms

then in order for vrmsvvp temperature has to change by,

Tboom32Tboom such that,

v2vp=2RnMm32Tboom=3RTboomnMm=v2boom

So,

Tvp=32Tboom; temperature is increased and the distribution shifted right until vp is now vrms previously, which was numerically, vboom.

It is wrong to use,

v2boom=32v2p

and so,

Tboom=v2boommolarmass10338.3144

Tvp=v2pmolarmass10328.3144

Tvp=23v2boommolarmass10328.3144

Tvp=Tboom

In this case,vp replaces vrms on the same velocity probability distribution, the temperature of the profile remains the same.  vboom is still at vrms.  What is needed is to increase temperature such that vp=vboom, on a new distribution.

Have a nice day.