Bühlmann decompression algorithm: Difference between revisions

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{{Short description|Mathematical model of tissue inert gas uptake and release with pressure change}}

The '''Bühlmann decompression set of parametersmodel''' is ana [[Haldane'sneo-Haldanian decompression model|Haldanian]] [[mathematicalwhich model]] ([[algorithm]]) ofmodels the way in which [[inert gases]] enter and leave the human body as the [[ambient pressure]] changes.<ref name="AAB1984" /> Versions are used to create '''Bühlmann [[decompression tables''']] and in personal dive computers to compute no-decompression limits and decompression schedules for dives in real-time. These [[decompression tables]], allowallowing [[Underwater diving|divers]] to plan the depth and duration for dives and the required [[decompression stops]].

The sets of parameters have been developed by Swiss physician Dr. [[Albert A. Bühlmann]], who did research into decompression theory at the Laboratory of Hyperbaric Physiology at the University Hospital in [[Zürich]], [[Switzerland]].<ref name="AAB1982" /><ref name="spums1999" />

The results of Bühlmann's research that began in 1959 were published in a 1983 German book whose English translation was entitled ''Decompression-Decompression Sickness''.<ref name="AAB1984" /> The book was regarded as the most complete public reference on decompression calculations and was used soon after in [[dive computer]] algorithms.

The model (Haldane, 1908)<ref name="haldane" /> assumes [[Decompression theory#Perfusion limited tissues and parallel tissue models|perfusion limited gas exchange and multiple parallel tissue compartments]] and uses an [[Exponential decay|inverse exponential model]] for in-gassing and out-gassing, both of which are assumed to occur in the dissolved phase.

TheMultiple sets of parameters have beenwere developed by Swiss physician Dr. [[Albert A. Bühlmann]], who did research into decompression theory at the Laboratory of Hyperbaric Physiology at the University Hospital in [[Zürich]], [[Switzerland]].<ref name="AAB1982" /><ref name="spums1999" />

The results of Bühlmann's research that began in 1959 were published in a 1983 German book whose English translation was entitled ''Decompression-Decompression Sickness''.<ref name="AAB1984" /> The book was regarded as the most complete public reference on decompression calculations and was used soon after in [[dive computer]] algorithms.

==Principles==