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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 ...
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.
The whistles of a calliope are tuned to a chromatic scale, although this process is difficult and must be repeated often to maintain quality sound. Since the pitch of each note is largely affected by the temperature of the steam, accurate tuning is nearly impossible; however, the off-pitch notes (particularly in the upper register) have become ...
Listening to the York Factory Whistle Concert early Christmas morning has been a tradition for generations. The concert, which features eerie-sounding holiday songs, is set for 12:10 a.m. on Dec ...
Steam whistle from a supertanker, in Merseyside Maritime Museum, United Kingdom An air horn is a pneumatic device designed to create an extremely loud noise for signaling purposes. It usually consists of a source which produces compressed air , which passes into a horn through a reed or diaphragm.
Sound Ideas is a Canadian audio company and the archive of one of the largest commercially available sound effects libraries in the world. [2] [3] It has accumulated the sound effects, which it releases in collections by download or on CD and hard drive, through acquisition, exclusive arrangement with movie studios, [4] and in-house production.
This chicken Parmesan soup combines the rich flavors of a traditional chicken Parm—juicy seasoned chicken, tangy marinara sauce and savory Parmesan cheese—with the warmth and comfort of a soup.
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