2) ahead
[英][ə'hed] [美][ə'hɛd]
前头，在前
3) Front distance
探头前沿
4) front seal
前封头
1.
The flow field configuration close-by front seal in the chamber is also analysed particularly.
采用RNGk-ε湍流模型,计算了某管状装药旋转固体火箭发动机在不同旋转速度情况下的燃烧室喷管统一流场,着重分析了不同转速情况下燃烧室内燃气流动的特点,得到了该发动机燃烧室内旋流切向速度沿径向分布趋势以及旋流涡核半径在不同转速情况下的变化特点,对燃烧室前封头局部区域的流场结构也进行了较为细致的分析。
6) head
[英][hed] [美][hɛd]
前辐射头
1.
,ANSYS)in this paper, for a single head simulating its boundary condition in a compound bar transducer, its vibrating mode and relationships between the mode and its geometry size is analyzed for in-air ; The longitudinal elementary frequency, and coupling between transducer longitudinal and flapping on elementary frequency with dimensions of head is calculated.
采用有限元方法,研究了复合棒压电纵向振动换能器前辐射头两端自由及小端面中心固定时的弯曲振动模态及与几何尺寸之间的关系;探讨了换能器多模振动特性与前盖板几何尺寸之间的变化关系。
2.
For a single head simulating and its boundary condition in a compound bar transducer,its vibrating mode and relationships between the mode and its geometry size is analyzed in-air.
采用有限元方法分析计算了前辐射头在两端自由和小端面中心固定时在空气中的弯曲振动模态,以及这些模态随其几何尺寸变化的关系;计算分析了换能器多模振动特性与前盖板几何尺寸之间的变化关系。
补充资料：前头
1.前面。 2.面前;跟前。 3.犹言今后﹐将来。 4.以前。
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