非圓柱度 的英文怎麼說
中文拼音 [fēiyuánzhùdù]
非圓柱度
英文
noncylindricity-
The worm - drive is widely used in modern industry, especially the ordinary cylinder worm - drive in machine tool manufacturing sector. main disadvantages of worm dives are lubrication and wear problems due to relatively high sliding at the tooth contacts. the ordinary cylinder worm - drive has almost become an exclusive selection in general low speed transmission work - platform and continuous graduation mechanism
蝸桿傳動具有傳動比大、體積小、運轉平穩、噪音小等特點，在現代工業中應用非常廣泛，在機床製造業中，普通圓柱蝸桿傳動的應用尤為普遍，並且幾乎成了一般低速傳動工作臺和連續分度機構的唯一傳動形式。This small artillery ' s age can ' t be dated easily, maybe in ming qing dynasty. as for carving it ' s an old craftwork, but the rare thing is its fine technics. carving on surface is comparatively easy, but on cylinder it ' s much harder, while on prism it ' s most difficult thing i can master. look, this dragon is fresh and full of energy, and must be made by an uncommon man. enjoying it from this point of view can descry the highest art culture connotation which the ancients wanted to express and show
此一小火炮的年代不好定錘，明清物吧，至於雕刻嗎，開門的老工藝，但難得的是工藝精湛，在平面上雕刻相對容易，在圓柱體上就難的多，而在稜柱體上雕刻以及浮雕工藝是最難掌握，你看，這條龍活力四射，昂揚大氣，決非等閑之輩所能造詣，從此一角度和層次去欣賞，便挖掘透視到了古人所欲表達和展示的更高的藝術文化內涵。In this paper, micro - cavity semiconductor laser ( mcsl ) with pillar vertical - cavity surface - emitting structure ( vcsel ) which has potential applications in optical communication and optical interconnect is theoretically analyzed, the calculation model that used to discuss the modal performance of rectangular columnar and cylinder vcsel with oxidized aperture is established by using vector field model. the numerical simulations in the case of cylinder structure show oscillating wavelength and threshold gain against inside and outside radius of laser, the layer refractive index and pair number of bragg mirror, thickness, position and oxidized material ' s refractive index of oxidized aperture, in detail. more practically, considering dos shell of laser as non - perfect one, or supposing that dos shell is separated from the laser, we can obtain more significative results
本工作以矢量場模型出發，對具有誘人應用前景的柱形垂直腔面發射結構（ vcsel ）的微腔半導體激光器（ mcsl ）進行了理論分析，建立了用於分析方柱形和圓柱形結構具有氧化孔徑層的激光器的模式特性的理論模型；對圓柱形結構情況進行了數值模擬，得到了振蕩波長、閾值增益隨激光器內外半徑、 bragg反射鏡層折射率、周期數以及氧化孔徑層厚度、位置和氧化物折射率的詳細變化規律；為使理論計算更接近實際，將外加金屬包殼視為非理想導體，或將金屬包殼與激光器結構隔開，分別對這兩種情況下的結果進行了討論。The nonlinear thermal vibration characteristic of the composite thin - cylindrical shells under linear temperature field is investigated by the ansys parametric design language ( apdl )
摘要採用有限元軟體ansys參數設計語言（ apdl ）實現復合材料薄壁圓柱殼結構在線性分佈溫度場作用下的非線性熱振動特性分析。9. nonline transient temperature field was analyzed for concrete - filled square steel tubular columns. fire resisting limit of concrete - filled square steel tubular columns was discussed. 10
對內（圓）鋼管增強方鋼管混凝土柱在火災高溫下的非線性瞬態溫度場進行了分析，討論了內（圓）鋼管增強方鋼管混凝土柱的耐火極限。Tightsen retaining adhesives can used for no threaded cylindrical metal assemblies, can increase the shear strength of press fits and slip fits
泰盛圓柱型零件固持膠系列產品用於增加壓配合、滑動配合圓柱形非螺紋配合件的剪切強度。The paper researches the transient time precision and the following problem of the results developing with time for 2 - d high order blocking and matched method, at the same time, anlysing the stability of high order methods including boundary conditions. the results show that the domain decomposition and matched method using high order method can follow the time developing solution of taylor problem well, the computation result of the flow over a single or two tandem arranging circular cylinder agree the experiment and others " results well, moreover, the panting results of lift and drag coefficient are better than others
本文利用高精度分塊耦合求解方法，對其瞬態時間精度和非定常時間發展解的跟隨性問題進行了研究，同時也對包含邊界條件的線法高精度格式的穩定性也作了分析，研究結果表明高精度的分塊耦合求解方法可以很好地跟隨taylor問題的時間發展解，與單圓柱繞流和雙圓柱繞流的實驗結果比較以及他人結果比較符合很好，對升阻力系數在渦脫落時的脈動問題的結果優於他人結果。Abstract : this paper takes the manufacturing of non - circular gear as an example to analyze the non - circular gear ' s tip curve error influence upon it s contact ratio which is manufactured by involute cylindrical shape cutter, and it provides a theory basis to control strictly non - circular gear ' s contact ratio
文摘:以非圓齒輪插齒加工為例，分析了利用漸開線圓柱插齒刀加工非圓齒輪時齒頂曲線誤差對非圓齒輪重合度的影響，為嚴格控制非圓齒輪副的重合度提供了理論保證。In order to verify the feasibility of the present method, chapter 3 takes the fluid flow of sphere, cylinder and the additive mass of two spheres as three examples, finishes the calculation by disposing the source or sink whose strength is expressed as the format of nurbs and emphatically the processing of the singular integral. it can be drawn from the comparison of the results of present method and the theoretical solution, i. e. a good precision can be gotten under a few collocation points with the method
為了考查本文方法的可行性，第3章以圓球體繞流、圓柱繞流以及兩個等圓球體在流場中的附加質量作為例子，通過在物體表面布置強度以非均勻有理b樣條表達的源匯和著重對奇異積分的處理后完成了相應的計算，從與理論解的比較可以看出本方法的優越：在數目很少的配置點下數值解可取得十分良好的精度。The threshold speed and the typical characteristics of the oil whip of the system are simulated under the nonlinear model of oil film force, and the state of motion and type of the bifurcation are analyzed by floquet multiplicators which is computed by the shooting method. secondly, the the nonlinear dynamical model of the low - pressure rotor - bearing system by column bearing with reduced dimensions is presented. the numerical results show the rule of the amplitude with the eccentricity of rotor, the length - to - diameter ratio, oil viscosity and the clearance - to - radius ratio of the bearing under the definite speed
其次，對降維后的低壓轉子?軸承系統的非線性動力學方程，計算了圓柱瓦軸承支撐的轉子系統的振動穩定性在固定轉速下隨偏心距、軸承長徑比、潤滑油動力粘度和軸承間隙比的變化規律，並分析了轉子前軸承軸頸的失穩轉速與轉子偏心距、軸承長徑比、潤滑油動力粘度和軸承間隙比之間的關系，同時利用floquet理論分析其運動狀態和分岔類型。Second, the thermoelastic coupling vibration of cylindrical shell are discussed by means of the same method. the coupling coefficient, amplitude of temperature, initial displacement, ratio of length to radius and that of radius to thickness are main factors which influence the thermoelastic vibration of cylindrical shell ; the higher the coupling coefficient is, the lower the axial force, the axial stress and the axial moment are
其次，我們用同樣的方法研究了圓柱殼的非線性熱彈耦合振動，主要結論如下：影響圓柱殼非線性熱彈耦合振動的因素主要有耦合系數、溫度幅值、長徑比、徑厚比以及初始位移參數；耦合系數越大，軸向應力、軸向力以及軸向彎矩越小。On the premise of summarizing former contributions in the field, and considering the universality of the cylindrical space with circular cross - section in industry, the author develop a novel ofpt structure, on which the design theories, numerical simulation, design of experimental system for plane structure, preliminary experiment and design of applied space structure are presented. the main contents of the thesis are that : put forward the novel ofpt pixel distribution and plane - light - path design theories and their empirical formulae. the numbers of the ofs units and their emitting rays can be decided by the requirements of image - reconstructed resolution and the size of the center unmeasured region
本論文在總結前人工作的前提下，充分兼顧了工業中具有圓形截面的圓柱形容器或管道普遍存在的事實，提出了一種新型的光纖過程層析成像結構，並從理論設計方法，具體結構模擬，平面結構實驗系統設計，初步實驗以及空間結構實用化設計、理論分析等方面進行了研究，主要的創新點在於：提出了一種用於工業過程監測與控制的新型光纖過程層析成像結構設計方法，並推導了該方法的經驗公式，該方法主要包括像素分配和平面光路結構設計，可以根據工程應用中圖像重建的解析度和圓形截面非測量區域所佔比例的要求，設計所需傳感單元的數目和傳感單元發射光線的數目；設計了一種新型的光纖過程層析成像結構，並對該結構進行了可行性分析和數值模擬。This paper is main to explored to examination the mass center of not even quantity distributes cylindrical parts by means of four points revolving method and to examination the inertia moment of the parts by means of the law of just turning
本文主要從工程的角度上探討了對非均勻圓柱形工件（部件）採用四點旋轉法檢測質心和根據剛體轉動定理利用旋轉法檢測轉動慣量的方法。Non - steady transient thermal elastohydrodynamic lubrication analysis model based on surface roughness in high - speed cylindrical roller bearing has been established, and effects of roughness amplitude, wavelength, and texture in contact surface of raceway and rolling element on bearing elastohydrodynamic lubrication performance are analysed
摘要建立了基於表面粗糙的高速圓柱滾子軸承非穩態時變熱彈流分析模型，分析了抽承滾道與滾動體接觸表面粗糙度幅值大小及其方向對軸承彈流性能的影響。分享友人