Biophysics and Diving Decompression Phenomenology

Biophysics and Diving Decompression Phenomenology

The biophysics of diving and decompression in the human body are complex. The average individual experiences atmospheric pressure swings of 3% at sea level and over 20% at altitudes greater than a ...
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Biophysics and Models

Pp. 3-74 (72)

B.R. Wienke

Abstract

The biophysics of pressure changes in diving and decompression is extremely complex. Fundamental notions of underlying mechanisms of bubble formation and gas transport are presented. Models are discussed for staging diver ascents focusing on dissolved gas perfusion, bubble formation, and coupled mechanics. Oxygen toxicity is also quantified and detailed. The focus is computational models that have been encoded into underwater computers, tables, and dive planning software. There are some 11 models that have been implemented and safely used by divers, though not all have been tested nor validated.

Keywords:

Bubbles, Dissolved gases, Models, Oxygen toxicity, Transport.

Affiliation:

Los Alamos National Laboratory Nuclear Weapons Technology Simulation and Computing Program Manager Computational Physics C & C Dive Team Ldr Los Alamos, NM 87545 United State