Abstract
The High Pressure Tank in the National Maritime Research Institute (NMRI) is an experimental facility for research and development of deep-sea technology, where deep-sea conditions, such as pressure and temperature, can be conveniently simulated. The tank has a size of 1.1m at the inner diameter and 3.0m depth. The maximum pressure is 60MPa. Sensors are installed to measure the pressure, temperature and pH of the water in the tank, and six monitoring cameras have been installed in the tank. Subsidiary units belonging to the tank control its pressure, temperature and pH in the tank. Using the tank the NMRI has carried out various experiments of deep-sea technologies, such as a pressure test of the pressure vessel for a submersible vehicle, the corrosion test of ship materials in a deep-sea environment, and simulation experiments of ocean storage of Carbon Dioxide (CO2) .
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