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Decompression (diving) – Pressure reduction and its effects during ascent from depth; Decompression sickness – Disorder caused by dissolved gases forming bubbles in tissues; Decompression theory – Theoretical modelling of decompression physiology; Dive computer – Instrument to calculate decompression status in real time
The decompression tables or software used to plan the dive, [22] The equipment used to control and monitor depth and dive time, such as: personal dive computers, depth gauges, and timers, [23] Shot lines, surface marker buoys (SMBs), Decompression buoys (DSMBs) and decompression trapezes [23] diving stages (baskets), wet and dry bells,
Decompression may be shortened (or accelerated) by breathing an oxygen-rich "deco gas" such as a nitrox with 50% or more oxygen. The high partial pressure of oxygen in such decompression mixes create the effect of the oxygen window. [74] This decompression gas is often carried by scuba divers in side-slung cylinders.
Decompression may be shortened ("accelerated") by breathing an oxygen-rich "decompression gas" such as a nitrox blend or pure oxygen. The high partial pressure of oxygen in such decompression mixes produces the effect known as the oxygen window. [1] This decompression gas is often carried by scuba divers in side-slung cylinders.
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.
Experts say vehicle-based attacks are simple for a 'lone wolf' terrorist to plan and execute, and challenging for authorities to prevent.
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.
This profile type is used to maximise dive time while limiting decompression time when using decompression tables, but could also use decompression software. At each change of depth range limit the nominal residual inert gas loading is recalculated for the dive to that point by the supervisor, and a new effective dive time established based on ...