1) Bell nozzle
钟形喷管
2) Dualbell nozzle
双钟形喷管
3) dual-bell nozzle
双钟型喷管
1.
By employing the gaseous oxygen as oxidizer and gaseous hydrogen as fuel,hot-firing tests were performed for aerospike nozzle and dual-bell nozzle test engines with altitude compensating features.
采用气氧作氧化剂、气氢作燃料,对具有高度补偿特性的塞式喷管和双钟型喷管进行了点火热试。
4) bell mouth
管头钟形口
5) rectangular nozzle
矩形喷管
1.
Research of the influence of aspect ratio on infrared suppressing characteristics of rectangular nozzles;
宽高比对尾向可见明火矩形喷管红外抑制特性影响研究
2.
The mixing characteristics of external flow with jets from five rectangular nozzles with aspect ratio of 1,4,8,12,16 and from an axisymmetric nozzle were studied numerically.
用数值计算的方法 ,研究了宽高比分别为 1 ,4,8,1 2和 1 6的矩形喷管射流与外流的掺混特性 ,并与等面积的轴对称喷管进行了比较。
6) Annular nozzle
环形喷管
1.
Annular nozzles can automatically adapt the change ofenvironment pressures,so they a.
对环形喷管的概念、特性、分类及其应用作了详细说明，介绍了国内外环形喷管的研究概况，并分析了环形喷管在实际应用中会遇到的问题及解决方法。
补充资料：端石钟形砚(清)
对文物价值而言，历史愈久者愈加珍贵，价格也随之高升，此类清末之器，价格当在一万元以上。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条