「ノズル」の版間の差分

ちなみに初版はApr,9,2007 20:00(UTC)頃のen:Nozzleからコピペ
(新規。翻訳中です)
 
(ちなみに初版はApr,9,2007 20:00(UTC)頃のen:Nozzleからコピペ)
===高速度ノズル===
一般に、ノズルは[[内部エネルギー]]を犠牲にする代わり、[[運動エネルギー]]を増加させる事に用いられる。
Frequently the goal is to increase the [[kinetic energy]] of the flowing medium at the expense of its [[pressure]] [[energy]] and/or [[internal energy]].
 
Nozzles can be described as ''convergent'' (narrowing down from a wide diameter to a smaller diameter in the direction of the flow) or ''divergent'' (expanding from a smaller diameter to a larger one). A [[de Laval nozzle]] has a convergent section followed by a divergent section and is often called a convergent-divergent nozzle.
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