Scrubber Duration Equation Question

jqn · 14th August 2007, 00:28

I have been working through the equations in Nuckols et al and have run into a problem. In an example of absorbtion efficiency they use gas density of .441 lbs/ft3 and viscosity of 1.17 x 10**5 lbm/ft-sec. I have not been able to replicate these numbers and I'm wondering where they came from. The example is for a mission to 200' in 50 degree F water.

Jerry

bletso · 14th August 2007, 10:23

It sounds close to air densisty corrected for depth of 200 feet. Was air their medium? Don't forget the density correction for a colder saturated (water vapor) gas

Dale

14th August 2007, 00:28	#1 (permalink)
jqn New Member Current Rebreather/s: Sport Kiss Other Rebreather/s: Join Date: May 2005 Location: So. California Posts: 72	Scrubber Duration Equation Question I have been working through the equations in Nuckols et al and have run into a problem. In an example of absorbtion efficiency they use gas density of .441 lbs/ft3 and viscosity of 1.17 x 10**5 lbm/ft-sec. I have not been able to replicate these numbers and I'm wondering where they came from. The example is for a mission to 200' in 50 degree F water. Jerry
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14th August 2007, 10:23	#2 (permalink)
bletso An independent diver. Current Rebreather/s: Dolphin Home Build Other Rebreather/s: Dolphin Home Build Join Date: May 2006 Location: Louisville, KY, USA Posts: 256	Re: Scrubber Duration Equation Question It sounds close to air densisty corrected for depth of 200 feet. Was air their medium? Don't forget the density correction for a colder saturated (water vapor) gas Dale
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