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The speed of sound in steam is predictable if steam dryness is known. [45] Also, the specific volume of steam for a given temperature decreases with decreasing dryness. [46] [39] Two examples of estimates of speed of sound in steam calculated from whistles blown under field conditions are 1,326 and 1,352 feet per second. [47]
North American steam locomotive whistles have different sounds from one another. They come in many forms, from tiny little single-note shriekers to larger plain whistles with deeper tones (a deep, plain train whistle is the "hooter" of the Norfolk & Western, used on their A- and Y-class Mallet locomotives). Even more well known were the multi ...
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Steam whistles were also used as a warning device if a supply of steam was present, such as a sawmill or factory. These were common before fire sirens became widely available, particularly in the former Soviet Union. Fire horns, large compressed air horns, also were and still are used as an alternative to a fire siren.
Robert Swanson founded Airchime Ltd., beginning by making custom steam whistles in his British Columbia home. He preferred the sound of steam whistles over the single-chime horns made by Leslie and Westinghouse Air Brake Company. In 1949, he introduced the Hexatone H5, of which some odd (88) were made according to Robert Eugene Swanson's ...
These devices are whistles that do not radiate sound, but are still aerodynamic whistles. The upper figure on the right shows the basic arrangement of one version of the device. The circle on the left is the fluid source (air or liquid). A jet is formed that either goes into the upper or lower channel. The black lines are the feedback paths.
Discuss what TikTok sounds to use, naturally. Biles, the eventual individual all-around winner, chose a crunching sound as she and her teammates mimed biting their gold medals in a TikTok video ...
Whistle tips were popularized by an Internet phenomenon; a KRON-TV interview [citation needed] in which an Oakland man nicknamed Bubb Rubb and his colleague Lil Sis defended and demonstrated the use of whistle tips went viral (specifically, when Rubb enthusiastically, but rather poorly, imitates the sound of the whistle) and was the subject of derivative works on websites such as YTMND.