耦合盤 的英文怎麼說
中文拼音 [ǒugěpán]
耦合盤
英文
coupling disc-
Vibration analysis of mistuned bladed disc of steam turbine
輪盤系統耦合振動分析The convert and evolution course of periodical response, quasi - periodical response, double - periodical bifurcation, chaos of the system response is analyzed. ( 3 ). it is deduced that the general differential equation of bending - torsional - pendular coupling vibration about rotor with the gyroscopic moment
( 3 )推導了一般意義下,考慮陀螺力矩的單盤轉子彎扭擺耦合振動非線性方程,基於該方程,推出了不平衡轉子和碰摩轉子的非線性彎扭擺耦合振動方程。While a 3d assembly model of blade - disc structure was established, a finite element model for calculating the vibration characteristics during blade - disc coupling was set up by taking into consideration of the coupling action of contact stress between blade and disc
摘要在建立了葉片與輪盤三維裝配模型的基礎上,考慮了由於裝配產生的接觸應力與葉片輪盤之間的耦合作用后,建立了葉片輪盤裝配耦合的振動特性計算的有限元模型。The results show that the method is more reliable than selecting modes manually, especially for weak coupling mistuned bladed disks with a higher accuracy as well as less computation period
計算結果顯示,對失諧葉盤系統,特別是在弱耦合情況下,該方法比人為選擇模態更為可靠,可以使用較少機時,獲得較高的求解精度。This paper presents design thinking, operation and structure of a load self - locked brake type elevator which features endless stroke, single sheave and rope - groove friction
摘要介紹1種直重機械中的無限行程單卷盤回轉型繩槽耦合式負載自鎖制動提升機的設計思想、工作原理和結構形式。In the second chapter, equivalent circuit of the eddy current sensor is firstly analyzed. based on that, the carrier signal generating circuit that is realized by the lc periodic circuit is introduced, thus, the carrier signal of standard frequency is obtained through the trimming capacity. subsequently, the disc type rotational armature generator and the rotational coupling transformer are separately leaded in to realize the power supplies of the carrier signal generating circuit and output of the measuring signal
在傳感器設計一章中,首先對渦流傳感器進行等效電路分析,在此基礎上分析了由電感、電容諧振電路構成的載波信號發生電路,並通過微調電容獲得了標準頻率的載波信號;接下來提出了採用盤式旋轉電樞發電機解決載波信號發生電路電源供給問題的方案,同時通過旋轉耦合變壓器的引入,使得測量信號輸出問題很好地解決;本章最後給出的一組實驗曲線充分說明了這一方案的可實現性。In specific, the formulation of the rcwa for 2 - d and 3 - d metallic gratings and the formulation of the fdtd method for dispersive media are presented. a novel hybrid diffraction method, which is based on the kirchhoff - huygens diffraction formula and the rcwa, is proposed to simulate the working of a planar integrated diffraction grating
針對在光通信以及光盤存儲領域的具體應用,著重對二維及三維金屬光柵衍射問題的嚴格耦合波分析以及色散媒質散射問題的時域有限差分方法進行了公式推導。These disks are used to create a diffuse source that is optimal for coupling into fibers and attenuating the overall signal when spectrometer saturation is an issue and other attenuation methods ( such as adjusting spectrometer integration times ) are impractical or undesirable
當分光計的飽和度成為問題或其它衰減方法(如調整分光計綜合時間)不合實際或不合要求時,這些盤用做散射源,則對與光纖耦合和衰減所有信號最優。It applies an interval method to select element in the evolutionary structure optimization method ( eso ), and recovers or deletes element by the “ birth and dead ” function of element. another method viewed as second order smoothing technique for suppressing the checkerboard patterns has been proposed based on the filtering function ’ s principle. then the above methods are applied to solve a temperature - controlling problem in the steady heat conducting field and a multi - objective topology optimization problem considering multiple load cases and coupled effect
本文基於ansysparametricdesignlanguage ( apdl ) ,提出漸進結構法中應用區間法進行單元的篩選,通過單元「生死」的功能實現單元的恢復與刪除,根據濾波函數法原理提出修改的二階棋盤格處理方法,並就穩態熱傳導溫度控制問題,考慮熱、力耦合的多載荷工況的多目標拓撲優化設計問題進行求解。Based on a jeffcott rotor system with rigid support, the differential equations of coupled vibrations are established
針對存在質量偏心的單圓盤jeffcott轉子模型,通過拉格朗日方程,建立了彎扭耦合振動模型。As a part of the civil 863 plans, two multiple - contact models for two kinds of braking system are built in the paper, in which contact fields are described as coons surfaces, initial velocity is programmed in fortran. the thermal - mechanical coupling braking processes are simulated for the first time by msc. marc, the general - used nonlinear fem software. time distributions of the velocity, the stress and the temperature of the components under various initial velocity and brake force are obtained, which offer theoretic gist to study the life of the wheel, the disc and so on
作為國家行業863重大課題《鐵路機車車輛虛擬樣機系統》的一部分,本文在研究接觸問題和熱?機耦合問題數值方法的基礎上,採用國際上通用的非線性有限元分析軟體msc . marc建立了踏面制動和盤形制動主要部件的多體接觸計算模型,其中用解析方法描述,即用nurb曲線、高斯曲面來描述接觸區域,用fortran語言編寫定義初速度的用戶子程序,首次對兩種制動過程熱?機耦合進行了數值模擬,定量給出了主要制動部件在不同初速度、不同制動力下各個時刻的速度、應力和溫度的變化規律,為研究車輪、閘瓦以及制動盤壽命提供了理論依據。Included three positions system, the helicopter airscrew electro - hydraulic servo loading system has coupling nexus of three positions and three loadings. trough analyzing nexus of the displacement and the force, this paper designs the three channels electro - hydraulic servo loading system basing on the analysis of single channel electro - hydraulic servo loading system. surplus torque, which is produced through position disturbance, is a chief problem facing aerodynamic loading system
直升機旋翼的操控通過三個助力器完成,模擬負載時把旋翼所受空氣動力折算到了三個助力器上,由於三個助力器是鉸點在一個模擬盤上,所以三通道加載系統與三個助力器位置系統有一定的耦合關系。First, on the basic theory of the coaxial disk cylindrical waveguide, we analysis field equation in each area of the coaxial disk cylindrical waveguide with longitudinal ribs. the dispersion equation and the coupling impedance of this structure are obtained by means of triangle function ' s orthogonality and combing with the field matching method. through the numerical calculation, we discuss the influence of various structure ' s parameter on the dispersion and the coupling impedance
主要工作和創新成果如下:一、首先在盤荷波導理論的基礎上,嚴格分析加上脊后的各區場表達式,利用邊界條件和函數的正交性推導出對應的色散方程和耦合阻抗表達式,並通過數值模擬計算,詳細討論了該結構的幾何參數對色散方程和耦合阻抗的影響。With the help of ansys software, the vibration characteristic of blade - disc coupling structure was calculated and analyzed using cycle analysis method
並採用ansys軟體,使用循環分析方法對某葉片輪盤耦合結構的振動特性進行了計算分析。Brushless, winding insulation class h, self exciting, and self regulating. single bearing construction with drive from engine via a flexible disc coupling bolted directly to the engine flywheel
採用單軸承, h級絕緣,自導通風,無刷旋轉磁場型,具有自動激磁及自動穩壓之功能並利用一可撓性的盤式耦合器而耦合於引擎的飛輪上。The research on rotor dynamics takes a new look after introducing the theory of modern nonlinear dynamics. domestic and international scholars did a lot of research effort by the theory of modern nonlinear dynamics, such as bifurcation and chaos behavior on crack rotor system, vibration of oil film, rub - collision rotors, loosening foundation, catastrophe and gradation of rotor trouble. we got many important results, but most of research that focused on single deck rotors with singularity troubles, research coupling troubles of rotor systems is not enough
目前,國內外科技工作者採用非線性理論和方法對轉子系統進行了大量的研究工作,包括轉子系統裂紋故障的分岔與混沌行為及穩定性,轉子系統的油膜震蕩、碰摩、基礎松動的研究,轉子系統故障的慢變過程及突變的研究等,但是目前轉子系統多被簡化為具有某一單一故障的單盤轉子模型,對耦合故障多盤轉子系統的動力學行為和故障機理研究還比較少,而工程實際中的轉子系統模型更為復雜,耦合故障普遍存在。The aims are to implement 1 : 1 pixel - matching of high resolution data pages ( 1024 768 ) between slm and ccd, and to design a compact holographic disc storage system with optimized optical and mechanical structure, thus, to help with putting the holographic data storage technology into practice. we reviewed first the fundamental theory on volume holography ( mainly the coupling - wave theory ), and the mechanism of holographic storage materials ( mainly photorefractive crystals and photopolymers ). based on the above fundamentals, the importance of fourier transform holograms for holographic storage is described
本論文從盤式體全息存儲的基本理論和相關技術出發,首先描述了光學體全息記錄的基本物理過程和耦合波理論;然後根據全息圖的類型特點,闡述了傅立葉變換全息光路作為體全息存儲器的光路系統的優點;同時對光學體全息存儲材料的存儲特性做了一些簡單的介紹;接下來討論了光學體全息體積復用存儲技術,最後對本論文工作應用到的空間-角度復用與盤式體全息存儲技術以及有關體全息存儲器光學設計的像差理論進行了詳細敘述。And, the foundation study of coupling of the power train and the chassis system in the paper. the stiffness of rubber mounts is formulated using fea, by analyzing the relations between the stiffness and all kind of factors of rubber mounts, the formula of the stiffness for a shortcut to engineering practice is composed on the two adopting uniform design theory, the stimulation and field testing are done based on the results by optimization design.,
同時探討了動力總成與底盤系統的耦合振動特性,並在此基礎上運用有限元( fea )的方法,求解橡膠懸置的剛度特性,分析了橡膠懸置各個因數對剛度影響的規律,採用均勻設計的方法擬合了懸置剛度關于各個參數的公式,為工程實際應用提供了快捷的設計方法。Based on the data of the rare - earth element in coals from coal seams of the late permian liupanshui, leping, huangshi and chongqing coal mining districts in south china, this paper focuses on the discussion of the characters of content distribution, occurrence, distribution pattern and geologic factors of the rare - earth element in coals in the studied districts
摘要在華南地區貴州六盤水、江西樂平和湖北黃石礦區以及重慶鐘梁山和磨心坡煤礦晚二疊世煤的稀土元素電感耦合等離子質譜分析數據的基礎上,系統研究了華南地區煤的稀土元素的質量分數分佈特徵、賦存特徵、配分模式及其地質控制因素。分享友人