Liquefied Natural Gas (LNG) carriers are among the most complex and expensive vessels on the ocean, instantly recognizable by their massive insulated spherical tanks that project high above the main deck. To keep the natural gas in a dense liquid state, the onboard cryogenic systems must continuously maintain an extreme internal cargo temperature of minus 162 degrees Celsius.
This freezing environment is essential because if containment fails or the temperature rises, the liquid gas will experience a phase transition back into a gas, expanding to 600 times its original volume. This rapid expansion presents severe explosive hazards, requiring these advanced floating flasks to feature robust multi-layered insulation panels that shield standard structural steel from fracturing under intense cold.
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