Joshua Dettmar

Joshua Dettmar

Product Design Engineering BSc

Reducing Respiratory Dead Space and Optimising Breathing Regulation during Open Water Snorkelling

The use of a standard snorkel constitutes a respiratory dead space within the device where exhaled air becomes trapped and cannot escape before the next inhalation. This effectively leads to a build-up of waste respiration upon every exhale and causes potentially dangerous levels of CO2 supply to the brain. Through this the efficiency of breathing can be dramatically reduced and there can be the threat of serious implications for health. The aims of this project were to develop a new snorkel solution which reduced the respiratory dead space, optimised the respiration process and provided a non-restrictive form of subaqueous breathing equipment. Through research and consistent technical development, a final functional prototype was produced which offers a unique solution via the constant delivery of fresh air and removal of exhaled waste.