Cryogenic pumps are specialized devices designed to move and store liquids at extremely low temperatures, typically below -150°C. They are commonly used in industries such as liquid natural gas (LNG), superconductivity, and cryogenics to handle materials like liquid helium and liquid nitrogen. These pumps work by creating a vacuum that allows the cryogenic fluids to flow efficiently without vaporizing. The operation of cryogenic pumps relies on the principles of thermodynamics and fluid mechanics. They often utilize mechanical or magnetic systems to maintain low temperatures and prevent heat transfer. By effectively managing the flow of cryogenic liquids, these pumps play a crucial role in various scientific and industrial applications, ensuring safety and efficiency.