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Gasoline / ethanol /methano vapour properties

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Bensmit

Bensmit

Mechanical
Joined
Dec 8, 2003
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9
Location
NZ
For a project for petrol vapour recovery, is the viscosity of ethanol / methanol vapour much different from petrol vapour? Does anyone have viscosity data for these three gaseous fuels?
 
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since they are gases, the viscosity will be nearly the same .007 centpoise
 
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Thanks for that - I have seen a lot of hydrocarbon gases are around the 0.007 centipoise figure. Why then does air, also a gas, have more than double the viscosity (0.018 centipoise)? Is it dependant on molar mass?
 
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