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If the throttling valve or device is located at the entry into a pressure vessel so that the flash evaporation occurs within the vessel, then the vessel is often referred to as a flash drum. [1] [2] If the saturated liquid is a single-component liquid (for example, propane or liquid ammonia), a part
In practice, the Joule–Thomson effect is achieved by allowing the gas to expand through a throttling device (usually a valve) which must be very well insulated to prevent any heat transfer to or from the gas. No external work is extracted from the gas during the expansion (the gas must not be expanded through a turbine, for example).
This plot device is generally believed to have been popularized by movie serials and 19th-century theatrical melodramas. A well-known example is the cliché of the moustache-twirling villain leaving the heroine tied to railroad tracks.
A critical lens is a way of looking at a particular work of literature by focusing on style choices, plot devices, and character interactions and how they show a certain theme (the lens in question). It is a common literary analysis technique. [1]
Examples include the balanced "double beat" type used on Gresley A3 Pacifics. Throttling of a rocket engine means varying the thrust level in-flight. This is not always a requirement; in fact, the thrust of a solid-fuel rocket is not controllable after ignition, and is instead pre-planned by varying the shape of the void down the center of the ...
The devices shown are on steam engines. Power is supplied to the governor from the engine's output shaft by a belt or chain connected to the lower belt wheel. The governor is connected to a throttle valve that regulates the flow of working fluid (steam) supplying the prime mover. As the speed of the prime mover increases, the central spindle of ...
Poetry analysis is the process of investigating the form of a poem, content, structural semiotics, and history in an informed way, with the aim of heightening one's own and others' understanding and appreciation of the work.
For example, the last line of a poem with a consistent metre may be foregrounded by changing the number of syllables it contains. This would be an example of a deviation from a secondary norm. In the following poem by E. E. Cummings, [16] there are two types of deviation: light's lives lurch a once world quickly from rises army the gradual of ...