摩擦层
- 名frictional layer;boundary
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对底摩擦层流动垂向变化,海底地形对底流的影响及低频流的产生机制等问题作了初步探讨。
Preliminary studies on the vertical variation of flow in the bottom frictional layer , the effect of bed topography on the bottom flow and the dynamical mechanism of the low-frequency near bottom flow are also presented .
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通过研究二维准动量无辐散、无摩擦层结大气非线性方程组的行波解问题证明,非线性行波解的本质属性是由参数b的符号性质决定的。
Through studying the wave solutions of the non-linear equations of the two-dimensional quasi-momentum non-divergent and non-frictional atmosphere , it is demonstrated that the characteristics of the nonlinear wave solution is determined by the sign of parameter b.
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基于粘弹性摩擦层在定子表面的行波超声波电动机接触模型,利用MATLAB方法,模拟分析了摩擦材料的厚度和弹性模量对电动机特性的影响。
Based on a contact model of traveling wave ultrasonic motor with visco-elastic contact layer on stator surface , effects of thickness of factional material and its modulus of elasticity on characteristic of the motor are simulated using MATLAB method .
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摩擦层中湍流系数
Turbulent exchange in the friction layer
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天然气压缩机十字头摩擦层和本体的选材及结合形式
Material selection and bonding pattern of friction layer and body of crosshead on gas on gas compressor
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同时,铜基体也提高了轴承的运行可靠性,即使轴承的表面摩擦层失效时,铜基体对轴颈也有较强的保护作用。
So in corrosion resistance the bronze base is obviously superior to the steel base , and at the same time , running reliability of bearings is improved , too .
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阐明了决定海面阻力系数的关键因素是海浪的平均波高及摩擦层厚度,并推出了它们之间的关系式。
It could be clarified that the key factors of sea surface drag were relyed on the wave height and atmosphere friction thickness . Furthermore , the relationships between them were deduced .
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针对石油钻机用刹车块的特点及存在问题,研制了一种具有支撑层和摩擦层的双层无石棉高性能刹车块。
Aiming at the features and problems of brake blocks for petroleum drillers , asbestos-free double layer brake ones with high performance , having a support layer and a friction layer , were developed .
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分析表明:裂纹首先自摩擦层表面向里发展,当裂纹不断扩展到达摩擦层与镍栅层的结合面附近时,由于结合面的屏蔽效应转向沿与结合面平行方向扩展;
A crack initiates from the surface firstly , then propagates in the direction parallel to the interface owing to its shielding effect as it approaches the interface between lining layer and nickel layer .
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仿真分析了定子预压力、驱动频率和摩擦层厚度、弹性模量等对电机振动特性和机械特性的影响,实验结果证明了该模型的妥当性和准确性。
Finally , all the factors , such as preload , driving frequency and friction layer , influencing the mechanical characteristics were analyzed , and the accuracy of the analytical model was verified by comparison with the experimental results .
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该项研究应用SEM和AES现代微观测试手段,对对偶件摩擦表面层结构、成分以及形成过程进行了全面系统的分析。
With SEM and AES modern analysis equipment , the structure , composition andorming process of frictional surface of rubbing pair is systematically analyzed .
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通过在SiO2无机层上蒸镀长链醇的取向方法以及摩擦聚酰亚胺层的取向方法,证明了高双折射率、负介电各向异性双氟二苯乙炔液晶具有优良的垂面取向特性。
Excellent homeotropic alignment of high birefringence and negative dielectric anisotropy difluoro-tolane liquid crystals was demonstrated using long-chain alcohol evaporated SiO2 inorganic layers and buffed polyimide layers .
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DF-3弹性金属塑料瓦是以聚四氟乙烯为摩擦表面层,以金属丝垫为中间层,通过特殊工艺牢固结合为一体,并通过一定的工艺过程与瓦基钎焊而成的一种推力轴承。
DF-3 Elastic metal-plastics thrust washing is a composite bearing that takes filled PTFE as overlay , metal wire as interlayer and connects them with steel bases by means of a special welding method .
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钢丝绳摩擦白层的研究
Study on the Friction White Layer of Steel Wire Rope for Well-drilling
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计及摩擦时层合板孔内轴销的应力和位移分析
Stresses and displacements analysis of a pin contained in laminate with considerations of friction
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液体滑动摩擦流层压强分布分析
The Pressure Distribution of Liquid Sliding Friction
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在解析解中,研究了大气条件诸如风速、湍流扩散系数、Ragleigh摩擦以及层结的影响,同时讨论了重力波对温度分布垂直结构的效应。
The influences of the atmospheric conditions , such as wind speed , eddy diffusivity , Rayleigh friction as well as stratification are investigated analytically . In addition , the effects of gravity waves on the vertical structure of the temperature distribution are also discussed .
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从含Ekman摩擦的二层非线性准地转斜压涡度方程出发,提出了一种新的广义能量作为Lyapunov函数,导出了非线性斜压亚临界稳定性判据。
Starting from a two-layer nonlinear quasi-geostrophic baroclinic vorticity equation containing Ekman friction , a new generalized energy is proposed to act as Lyapunov function and thus a new criterion of nonlinear baroclinic subcritical instability containing two inequalities is obtained .
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摩擦表面复合层元素分布规律的研究
Study on Element Distribution Law of Multiple Bed on Rubbing Surface
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摩擦的聚酰亚胺层上液晶分子排列的研究
Study of Liquid Crystal Molecular Alignment by Rubbed Polyimide Layers
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润滑滑动摩擦表面变质层特性的研究
Study of the Characteristics of Lubricated Sliding Worn Layer
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同时发现水基润滑剂具有较好的润滑效果,主要原因是摩擦化学反应层的存在使摩擦系数降低。
The water base drawing lubricant can reduce friction parameter significantly because of friction chemical reaction .
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摩擦磨损表面层温度场分布函数及计算机模拟
Distribution function of temperature field in surface layers of steel during friction and wear and its computer simulation
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探讨了摩擦前后表面层组成和结构的变化。
The composition of the surface layer and the change of surface structure before and after rubbing were discussed .
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将压电摩擦阻尼器与叠层橡胶垫组成智能隔震系统,并将其应用于一实例当中,以LQR控制算法作为此套系统的控制算法。
A new intelligent isolation system combining the piezoelectric friction damper with laminated rubber bearing is proposed and is used in a practical example . Then choosing the LQR as control algorithm , MATLAB program is compiled to conduct time history analysis of super-part of the structure under earthquake .
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我们应用包含对流和大尺度凝结加热、洋面感热和潜热输送及边界层摩擦作用的五层原始方程模式,模拟了西太平洋热带辐合带上7504号台风ORA的发展。
The development of typhoon No. 7504 ( ORA ) along the tropical convergence zone is simulated with a five-level primitive equation model including large scale and convective condensation , surface friction , sensible and latent heat exchanges between the sea and the air .
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摩擦面的物质转移层和氧化膜对摩擦副双方的摩擦磨损都有较大的影响。
The material transfer and oxide film in friction surface may influence the friction-wear performances to certain extant .
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在铜的电铸过程中,通过陶瓷微珠等硬质粒子摩擦和扰动电铸层表面来改善电铸层的质量。
During the electroforming process of copper , the quality of electrodes was improved through polishing and perturbation of hard particles .
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文中利用一个包含地形、边界层摩擦作用的二层锋面简化模型,讨论了地形、边界层对冷锋锋面结构、环流的动力学影响作用问题。
In this study a simplified two layer frontal model is incorporated to investigate the effect of orography and boundary layer friction on the structure and circulation of surface cold front ( SCF ) .
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在硅酸锆含量为5.6%时,摩擦材料表面生成的摩擦膜(层Ⅰ和层Ⅱ)最少。
The transition between two layers was found on friction surface of Zr-5.6 ( zircon content 5.6 vol. % ) .