High-pressure

In space and astronautical engineering, high-pressure refers to a condition where the pressure of a gas or fluid is significantly higher than the ambient pressure. High-pressure systems are commonly used in rocket engines, where the combustion of fuel and oxidizer generates high-pressure gases that are expelled through a nozzle to produce thrust. High-pressure systems are also used in life support systems, where they are used to regulate the flow of gases such as oxygen and nitrogen to maintain a breathable atmosphere inside spacecraft and space habitats. High-pressure systems can pose significant safety risks if not properly designed and maintained, as the sudden release of high-pressure gases can cause explosions or other catastrophic failures.
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