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maintaining a vacuum to improve both efficiency and power. Unlike the surface condenser often used on a steam turbine or marine steam engine, the condensing apparatus...13 KB (1,638 words) - 21:23, 11 August 2024
under a vacuum to lower its boiling point and has a heat source applied, allowing the fresh water to boil off and be condensed. The condensing of the water...15 KB (1,755 words) - 11:50, 13 April 2024
zero-point fields. In quantum field theory this combination of fields is called the vacuum state, its associated zero-point energy is called the vacuum energy...209 KB (26,936 words) - 19:57, 2 September 2024
Sublimation (phase transition) (redirect from Vacuum sublimation)compounds re-condensing along the tube according to their different volatilities, and non-volatile compounds remaining in the hot end. Vacuum sublimation...23 KB (2,360 words) - 23:25, 2 September 2024
Pressure measurement (redirect from Vacuum gauge)greater than total vacuum is technically a form of pressure. For very low pressures, a gauge that uses total vacuum as the zero point reference must be...74 KB (9,894 words) - 01:28, 28 July 2024
Distillation (section Vacuum distillation)than the boiling point of the liquid at standard pressure, and the distillate only has to travel a short distance before condensing. A short path ensures...71 KB (8,809 words) - 22:53, 26 August 2024
A vacuum (pl.: vacuums or vacua) is space devoid of matter. The word is derived from the Latin adjective vacuus (neuter vacuum) meaning "vacant" or "void"...67 KB (7,594 words) - 04:53, 13 August 2024- A vacuum ejector, or simply ejector is a type of vacuum pump, which produces vacuum by means of the Venturi effect. In an ejector, a working fluid (liquid...8 KB (1,196 words) - 17:21, 4 September 2024
used steam to draw water directly from a well by means of a vacuum created by condensing steam. The appliance was also proposed for draining mines, but...29 KB (3,896 words) - 04:53, 20 July 2024
Reflow oven (section Vacuum Reflow Ovens)a heat transfer liquid (e. g. PFPE) condensing on the PCBs. The liquid used is chosen with a desired boiling point in mind to suit the solder alloy to...7 KB (878 words) - 15:05, 18 August 2024
pressure, i.e. 40-50 psi (276-345 kPa), the point being that the high-pressure engine in question was non-condensing, driven solely by the expansive power of...54 KB (6,832 words) - 03:01, 30 August 2024- Cryopump (category Vacuum pumps)A cryopump or a "cryogenic pump" is a vacuum pump that traps gases and vapours by condensing them on a cold surface, but are only effective on some gases...9 KB (1,216 words) - 14:48, 11 July 2024
Vacuum evaporation is the process of causing the pressure in a liquid-filled container to be reduced below the vapor pressure of the liquid, causing the...6 KB (641 words) - 14:24, 27 July 2024- Work function (category Vacuum)work (i.e., energy) needed to remove an electron from a solid to a point in the vacuum immediately outside the solid surface. Here "immediately" means that...31 KB (3,657 words) - 12:42, 24 May 2024
A vacuum pump is a type of pump device that draws gas particles from a sealed volume in order to leave behind a partial vacuum. The first vacuum pump was...39 KB (4,578 words) - 09:08, 14 August 2024
Cold trap (category Vacuum systems)In vacuum applications, a cold trap is a device that condenses all vapors except the permanent gases (hydrogen, oxygen, and nitrogen) into a liquid or...6 KB (730 words) - 20:49, 24 August 2024
Injector (section Vacuum ejectors)or an aspirator. An ejector operates on similar principles to create a vacuum feed connection for braking systems etc. The motive fluid may be a liquid...21 KB (2,923 words) - 08:17, 7 February 2024
Surface condenser (section Vacuum system)other than the condensing of steam turbine exhaust in power plants. In thermal power plants, the purpose of a surface condenser is to condense the exhaust...13 KB (1,856 words) - 07:11, 9 August 2024- portion of the condensed overhead product that is returned to the tower. The reflux flowing downwards provides the cooling required for condensing the vapors...18 KB (2,349 words) - 18:40, 11 July 2024
A central vacuum cleaner (also known as built-in or ducted) is a type of vacuum cleaner appliance installed into a building as a semi-permanent fixture...36 KB (4,753 words) - 22:43, 29 August 2024
- critical point of about −200° C. When such a mixture was cooled to that temperature and expanded from a high degree of compression into a vacuum vessel
- double cylinder, using the space between for condensing water. This was not very satisfactory. The vacuum was secured very slowly and imperfectly. ...One
- analysis and greatly affect the size of containment. Suppression refers to condensing the steam after a major break has released it from the cooling system