[2014-09-27 00:47:58 +0200] Anton Lundin: > On 26 September, 2014 - Gaetan Bisson wrote: > > > [2014-09-26 15:02:20 +0200] Robert Helling: > > > Another thing I forgot earlier: The calculation of the gas consumption > > > need adopting to rebreathers as well. > > > > I do not think it does. > > > > We could ask for the O2 SAC and the O2 cylinder type/pressure/volume, > > but since O2 consumption does not depend on depth its computation is > > hardly significant. That's why to keep things simple my proposed UI only > > asks for the setpoint. > > > > O2 consumption _is_ depth dependent. To achieve a ppO2 of 1.3 on 70m in a > XL "bladder" from a 10/50 Dil consumes more O2 than achieving ppO2 of > 1.3 in a Air Dil at 30m. > > The O2 metabolism will just be proportional to the workload, but to > calculate the O2 metabolism from the used O2 volume we would need a > counter-lung+loop+scrubber+head estimate.
Right. I only had O2 consumption due to metabolism in mind. As you point out more information is required for the rest, so I did not think it would be realistic to compute. -- Gaetan _______________________________________________ subsurface mailing list [email protected] http://lists.hohndel.org/cgi-bin/mailman/listinfo/subsurface
