how efficiently a reaction mass engine creates thrust, which is often proportional to effective exhaust gas velocity
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Vinony's link graph records 778 inbound references to 比冲, and connects out to delta-v, thrust specific fuel consumption and International System of Units.
It sits within the topics Classical mechanics, Engine technology and Physical quantities.
Vinony links it to 32 Wikipedia language editions.
Wikidata facts
- Subclass of
- scalar quantity
Show 1 more fact
- facet of
- rocket science
Sources (2)
via Wikidata · CC0
Article · 中文
比衝或比衝量亦有稱比推力(英語:specific impulse)是用來表示一個推進系統的燃燒效率。比衝的定义为:火箭发动机单位重量推进剂产生的冲量,或单位重量(重力)流量的推进剂产生的推力。比冲的单位为米/秒(m/s)或牛·秒/千克(N·s/kg)(考慮单位質量流量的推进剂),工程上會考慮单位重量流量的推进剂。比冲的單位习惯使用秒(s),可以理解为1牛顿重的物质产生1牛顿推力的可持续时间(秒数)。比衝越高代表效率越好,亦即可以用相同質量的燃料產生更多的動量。
Abstract from DBpedia / Wikipedia · CC BY-SA