查询词典 cavitation

At the same time, the car water pump is prone to suffer from cavitation erosion at the entrance of the water pump . So installing a low-pressure radiator cap is usually a useful help.

气蚀是汽车水泵的另一个问题，一般在水泵的进水侧会出现腐蚀，所以通常都安装一个低压散热器盖。

Vibrations induced at both the lower guide bearing and a wicket gate are analysed in order to detect the cavitation occurrence and to quantify its aggressiveness.

而且他们还分析了在边门引起的震动以便于发现气窝并确定它的危害。

Vacuum tank test of Three Gorges surface spillway was conducted to study the flow cavitation.

针对三峡工程溢流坝表孔设计体型，通过减压模型试验研究了其空化特性。

Some different viewpoints on scale effects of cavitation inception testing in a normal water tunnel or in vacuum tank were discussed respectively.

讨论了在常规循环水洞或在减压箱中进行模型空化试验时，关于初生空化比尺效应的不同观点。

Guangxi Yantan turbine diameter 8m 90s in the 20th century in operation, mainly due to the hydraulic design and manufacturing quality Runner and other reasons, put into operation a serious vibration, cracks, vibration tube into the door crack, power generation Floor Vibration machine layer. 10 years of annual repair cracks, cavitation, multiple blade line has been restored can not be guaranteed, for the more radical change in this situation, has on one desktop PC upgrades, replacement of the old wheel, replaced by a Taiwan new designs, new technology a new wheel, troubled years of generating station floor floor vibration problems are basically solved.

广西岩滩水电站直径达8m的水轮机在20世纪90年代投入运行，主要是由于水力设计和分瓣转轮制造质量等原因，投入运行后振动严重，裂纹产生，尾水管进入门振裂，发电机层楼板振动。10年来年年修补裂纹、空蚀、多次修复后叶片型线已无法保证，为较彻底的改变这种状况，已对其中一台机进行升级改造，更换了老转轮，代之以一台新设计、采用新工艺的新转轮，困扰电站多年的发电机层楼板振动问题得到基本解决。

The tip speed limit is for controlling the tip vortex cavitation energy, which is a function of tip speed to the sixth power.

尖端的车速限制是为了控制尖端涡穴蚀的能源，这是一个功能提示的速度向第六权力。

At present, the laboratory comprises two parts: Ship model towing tank and Cavitation tunnel.

目前该实验室主要由两部分组成：船模试验池及空泡水筒。

The optimization of the layout of the stilling well was also studied. The results show that the sudden enlargement between the circular inlet and the shaft in this spillway is significantly different from the traditional face-stuck shaft. This can prevent cavitation of the vertical shaft by high-velocity flow, reducing the difficulty of construction.

研究表明，该溢洪道自环形进水口以下采用突扩方式与竖井连接所形成的脱壁水流结构，与传统的贴壁式竖井的水流结构具有明显不同，不仅可以有效避免竖井段因水流流速较高可能造成的空化空蚀破坏，降低施工难度，而且有利于水舌掺气并促进消力井消能。

Steel casting to be annealed before integration in stern frame construction. Shape of stern frame to be in accordance with tank tests in order to provide sufficient propeller clearance and to avoid cavitation.

铸钢件在与艉框架安装成一体前应进行退火处理，艉框架的形式必须根据船模试验的结构来确定，以便获得足够的螺旋桨间隙和避免产生对螺旋桨的气蚀。

KCG Cage Trim was developed not only to prevent cavitation but also to attenuate noise generated by high pressure drop gas and steam applications.

KCG笼式阀芯不仅可以防止气蚀，还可以减弱由高压降燃气和蒸汽产生的噪音。

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷