Pressure of Gasoline at 240 F 1

[BullGator]

Where can I find a formula or table that will give me the pressure of gasoline in a closed system at various temperatures from 180 to 240 F?

 

[SomptingGuy]

Nowhere. It depends on the size of the system.

- Steve

 

[dcasto]

In the GPSA data book, there is figuire 23-20 "high-temperature vapour pressures for light hydrocarbons"

You can start with the vapour pressure of your piticular gasoline mix at 100 F, then trace the line for that product all the way to 600F or the criticle pressure.

For example a 11 psia Gasoline has a vapour pressure of 50 psia at 180 F and 95 psia at 240 F.

 

[black2003cobra]

Vapor pressure thread here:

http://www.eng-tips.com/viewthread.cfm?qid=218716&page=4

 

[SomptingGuy]

Hmm, no mention of vapour pressure in the OP.

- Steve

 

[ta5ari]

It actually does not depends on the size of the system but only on fuel bulk modulus and fuel thermal expansion coefficient i.e. Dp/DV=B (bulk modulus) DV/DT=Ct (thermal expansion coefficient) therefore Dp=B*Ct*DT
You can simply calculate the Dp knowing the two parameters B and Ct

 

[dcasto]

gasoline in a closed system means vapour pressure