说明:双击或选中下面任意单词,将显示该词的音标、读音、翻译等;选中中文或多个词,将显示翻译。
您的位置:首页 -> 词典 -> 钝体
1)  bluff body
钝体
1.
Coherent structure in wake over slotted bluff body;
开缝钝体尾迹的拟序结构
2.
By the experimental bench of bluff body flame and under different working orders,the speed in blowing out the flame of methane premixing gas with vapour is measured.
利用钝体稳定火焰实验台,在不同工况下,测量了含水蒸汽的甲烷预混气的火焰吹熄速度。
3.
A cold state numerical simulation of the flow field behind a dual duct swirl burner,fitted with a central bluff body,is performed by making use of CFD software,wherewith the flow field,the velocity distribution,the central recirculation zone s dimension and flow volume are obtained in cases of an inserted cone shaped,a wedge-shaped and a parabolic shaped bluff body.
借助CFD软件,对配置中心钝体的双通道旋流燃烧器出口流场进行了冷态数值模拟,分别获得了锥型、楔型和抛物线型三种钝体后的流场分布、速度分布、中心回流区尺寸和中心回流量大小等结果。
2)  bluff-body
钝体
1.
The PIV experimental investigation on cold-state wake behind bluff-body;
钝体冷态流场的PIV实验研究
2.
Experiments were performed to investigate the differences between the propane/air turbulent diffusion reactive flows past bluff-body and the propane/humid air turbulent diffusion reactive flows in the same conditions.
实验测量了加湿、不加湿状况下钝体后丙烷/空气湍流扩散燃烧流场,分析了两种燃烧流场的异同点。
3)  blunt body
钝体
1.
Measurement of the underwater acoustic field in water entry of blunt body;
钝体入水时的水下声场的测量(英文)
2.
The results show that transpiration cooling can provide effective thermal protection with lower blowing ratio on blunt body surfaces,over which the main flow is curved external flow.
本文进行了钝体头锥发汗冷却的实验研究,揭示了注入率,主流温度以及主流Re数对发汗冷却壁温及冷却效率的影响规律。
4)  blunt-body
钝体
1.
Experiments have been performed to investigate the differences between the propane/air turbulent diffusion reactive flow past blunt-body and the cold airflow under the same condition.
实验测量了钝体后丙烷/空气湍流扩散燃烧流场及其对应的冷态流场,分析了两种流场的异同点。
2.
Reconstruction of a 75t/h coal dust furnace applied blunt-body separating dense and light mode burner to first wind hole of burner at four corner in heat power plant, remarkable effects have been obtained in this plant and attained low load of the boiler (40%), when the boiler operated at high varying load, the burner was not applied oil.
动力厂热电车间在1台75t/h煤粉炉上用钝体浓淡分离型燃烧装置对其四角布置的燃烧器一次风口进行改造,获得了较好效果,达到了改造后锅炉低负荷(40%)和大量程变负荷运行时不投油助燃,锅炉燃烧效率有较大的提高。
5)  blunt-nosed body
钝,钝头体
6)  fluid desensitized
液体钝感
1.
The foreign fluid desensitized blasting caps and their structure were introduced in this paper.
介绍了国外油气井用液体钝感电雷管及其结构特征,同时列出了其中部分电雷管的电性能参数。
补充资料:奥氏体-贝氏体球铁
分子式:
CAS号:

性质:又叫奥-贝球铁。基体组织为奥氏体加贝氏体组织的球墨铸铁。这类球铁硅含量一般在1.4%~3.8%。含锰量小于0.5%,与普通球铁比较硅偏高、锰偏低。通过调节化学成分与热处理获得理想的奥-贝球铁的基体组织为针状贝氏体或无碳贝氏体一富碳奥氏体。这类球铁具有优良的综合机械性能、强度高、耐磨性好、韧性好、特别是有高的缺口韧性,可代替钢,用于制作重要受力结构件,如曲轴、齿轮、凸轮轴等。

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