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2. US Navy decompression models and tables - Wikipedia

   en.wikipedia.org/wiki/US_Navy_decompression...

   The US Navy has used several decompression models from which their published decompression tables and authorized diving computer algorithms have been derived. The original C&R tables used a classic multiple independent parallel compartment model based on the work of J.S.Haldane in England in the early 20th century, using a critical ratio exponential ingassing and outgassing model.

3. Decompression equipment - Wikipedia

   en.wikipedia.org/wiki/Decompression_equipment

   The personal decompression computer, or dive computer, is a small computer designed to be worn by a diver during a dive, with a pressure sensor and an electronic timer mounted in a waterproof and pressure resistant housing and which has been programmed to model the inert gas loading of the diver's tissues in real time during a dive. [31]

4. Dive computer - Wikipedia

   en.wikipedia.org/wiki/Dive_computer

   A dive computer, personal decompression computer or decompression meter is a device used by an underwater diver to measure the elapsed time and depth during a dive and use this data to calculate and display an ascent profile which, according to the programmed decompression algorithm, will give a low risk of decompression sickness.

5. Shearwater Research - Wikipedia

   en.wikipedia.org/wiki/Shearwater_Research

   The Shearwater NERD was released at Dive 2013 in Birmingham, UK. [19] Shearwater Perdix in compass mode. In 2015, the Perdix wrist mounted dive computer was released. The Perdix is similar to the Petrel but has a 30% longer battery life and a thinner and lower profile. [20] The computer was named after the grey partridge Perdix perdix. [21]

6. Bühlmann decompression algorithm - Wikipedia

   en.wikipedia.org/wiki/Bühlmann_decompression...

   The Bühlmann decompression model is a neo-Haldanian model which uses Haldane's or Schreiner's formula for inert gas uptake, a linear expression for tolerated inert gas pressure coupled with a simple parameterised expression for alveolar inert gas pressure and expressions for combining Nitrogen and Helium parameters to model the way inert gases enter and leave the human body as the ambient ...

7. Haldane's decompression model - Wikipedia

   en.wikipedia.org/wiki/Haldane's_decompression_model

   Haldane's decompression model is a mathematical model for decompression to sea level atmospheric pressure of divers breathing compressed air at ambient pressure that was proposed in 1908 by the Scottish physiologist, John Scott Haldane (2 May 1860 – 14/15 March 1936), [1] who was also famous for intrepid self-experimentation.

8. Karl E. Huggins - Wikipedia

   en.wikipedia.org/wiki/Karl_E._Huggins

   In 1979 on a diving trip to the Bahamas, he was introduced to the concept of multi-level diving and the technique of repet-up s, which was in use by commercial divers as a way to make more effective use of the Navy tables for multi-level diving, though there were some theoretical uncertainties with the system, as the Navy tables of the time ...

9. Trimix (breathing gas) - Wikipedia

   en.wikipedia.org/wiki/Trimix_(breathing_gas)

   The "standard" mixes evolved because of three coinciding factors — the desire to keep the equivalent narcotic depth (END) of the mix at approximately 34 metres (112 ft), the requirement to keep the partial pressure of oxygen at 1.4 ATA or below at the deepest point of the dive, and the fact that many dive shops stored standard 32% nitrox in ...