Explosive limits 1

[RonHRob]

Can someone help refresh my memory on calculation fo Explosive limits? I have a 200 cubic foot enclosure. What volume of Isopropyl aclohol liquid would I vaporize to get to 2.5%V/V in that enclosure.

Thanks in advance for your help on this.

 

[Latexman]

PV=nRT

n=m/MW

m=PxVxMW/RxT

The "partial volume" of IPA = 200 x 0.025 = 5 ft^3.

at 60 F and 14.7 psia

m=(14.7 psia)(5 ft^3)(60.09 lb/lbmole)/[(10.73 ft^3 psia/lbmole/R)(520 R)]

m=0.8 lb

Good luck,
Latexman

 

[siretb]

I have a related question. For the hydrogen oxygen inerts,
how is the LEL (lower explosion limit) and MOC (maximum oxygen content) affected by temperature.
I could find data at room temperature, but I am looking for the 250°C temperature.

 

[Latexman]

Please start a new thread with a descriptive subject. If you don't, it'll make searching for it later more difficult.

Good luck,
Latexman