What does cryopump mean?
Definitions for cryopump
cry·op·ump
This dictionary definitions page includes all the possible meanings, example usage and translations of the word cryopump.
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Wiktionary
cryopumpnoun
A vacuum pump that traps gases and vapours by condensing them on a cold surface.
Wikidata
Cryopump
A cryopump or a "cryogenic pump" is a vacuum pump that traps gases and vapours by condensing them on a cold surface. They are only effective on some gases, depending on the freezing and boiling points of the gas relative to the cryopump's temperature. They are sometimes used to block particular contaminants, for example in front of a diffusion pump to trap backstreaming oil, or in front of a McLeod gauge to keep out water. In this function, they are called a cryotrap or cold trap, even though the physical mechanism is the same as for a cryopump. Cryotrapping can also refer to a somewhat different effect, where molecules will increase their residence time on a cold surface without actually freezing. There is a delay between the molecule impinging on the surface and rebounding from it. Kinetic energy will have been lost, the molecules slow down. For example, hydrogen will not condense at 8 kelvin, but it can be cryotrapped. This effectively traps molecules for an extended period and thereby removes them from the vacuum environment just like cryopumping.
Numerology
Chaldean Numerology
The numerical value of cryopump in Chaldean Numerology is: 3
Pythagorean Numerology
The numerical value of cryopump in Pythagorean Numerology is: 1
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"cryopump." Definitions.net. STANDS4 LLC, 2024. Web. 23 Apr. 2024. <https://www.definitions.net/definition/cryopump>.
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