1) squealer tip
凹槽叶顶
1.
Effects of squealer tips on blade aerodynamic performances and tip heat transfer in a gas turbine were investigated.
结果表明:在凹槽内存在复杂的流动结构,相对平叶顶动叶,凹槽能够显著降低叶顶的泄漏流量,减小泄漏损失,尤其在大间隙时更为明显;在小间隙时采用凹槽叶顶可以降低叶顶热负荷,而在大间隙时,凹槽叶顶的热负荷反而高于平叶顶的热负荷。
2) recessed tip
叶尖凹槽
3) roof in hollow tiles
凹槽形瓦屋顶
5) groove
[英][ɡru:v] [美][gruv]
凹槽
1.
The Fast Multipole Method for Electromagnetic Scattering of a Groove in a Perfectly Conducting Plane;
无限大导体平面上凹槽散射的快速多极子分析
2.
Fast Calculation of Wide Angle Scattering Fields of a Groove in a Perfectly Conducting Plane Based on Asymptotic Waveform Evaluation Technique;
渐近波形估计应用于无限大导体平面上凹槽散射场宽角度方向性函数的快速获取
3.
BST thick films are fabricated in the grooved silicon substrate by tape casting method.
采用流延法在有凹槽的硅片上制备出钛酸锶钡((Ba,Sr)TiO3)厚膜材料。
6) cavity
[英]['kævəti] [美]['kævətɪ]
凹槽
1.
Numerical study of supersonic turbulence flows on 2-D cavity;
二维凹槽超声速湍流流动数值模拟
2.
Study on cavity flow characteristics of supersonic combustor;
超音速燃烧室凹槽流动特性研究
3.
The large eddy simulation of supersonic cavity flow field
超声速凹槽大涡数值模拟研究
补充资料:凹模壁厚及凹模垫板尺寸
型腔壁部投影面积 壁 厚, 毫 米
F, 厘米2 h1 h2 h3 h4 h5
<5 15~20 30~40 <=10 15~20 30~40
>5~10 20~25 40~50 10~15 20~25 40~55
>10~50 20~30 50~60 15~20 20~30 55~65
>50~100 30~35 60~75 20~25 30~40 65~70
>100~200 35~40 75~85 25~30 40~50 70~75
>200 >40 >85 30~35 50~60 >80
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