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At 06:50 PM 1/11/00 -0500, kirvine@sa*.ne* wrote: >"breathing rate" is basicly insignificant, but you could get effects if >you breathed too little relative to normal breahting. The problem is >that you get relaxed and do not produce much CO2, and obviously have >very hig O2, so your reflex drops away. This could make for less gas >exchange, maybe. Hmmm... I don't think this effect is significant. I assume you mean that if the breath in your lungs takes on enough inert gas to reduce the gas tension significantly, it would reduce the rate of off-gassing; but if this were the case, decomression would occure far more quickly than it does. Each lungfull takes away only a tiny portion of the accumulated inert gas which is one of the reasons it takes a while to decompress. The ZH-L16 equations and constants could be used to calculate the actual mass of inert gas taken on during a dive and then used to calculate the mass off-gassed during deco. Knowing this, the total deco time, and the average diver's breathing rate we can determine the percent saturation with inert gas of each breath and extrapolate the number to a non-average diver breathing only once per minute. I'll see if I can come up with some numbers and post what I find. -Mike Rodriguez <mikey@ma*.co*> Pn(x) = (1/(2^n)n!)[d/dx]^n(x^2 - 1)^n -- Send mail for the `techdiver' mailing list to `techdiver@aquanaut.com'. Send subscribe/unsubscribe requests to `techdiver-request@aquanaut.com'.
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