Pressure chamber to simulate burial in sand or fallen ground

摘要

The pressure chamber consists of a firm-standing barrel exterior 2.5 m in height and related diameter range 1.2-1.8 m. It contains a bag of the same height for filling with gas or fluid etc. and thereafter pressurised. The bag forms a hollow cylinder to accommodate the subject whose body despite girth is accordingly exposed to surface pressure within the bag. The exterior is made of heavy-duty fabric and a rigidly connected solid base and top with a hole in it forming respectively a standing surface for the subject and admission hole for head of the subject.