支承膜 的英文怎麼說
中文拼音 [zhīchéngmó]
支承膜
英文
support membrane-
The diaphragm was clamped between two support housings.
隔膜被夾緊在兩個支承套之間。Fist ly, use mass equivalent method to predigest the original rotor system. secondly, use transfer matrix arithmetic to have finished the relative program to calculate the critical speed of flexible multi - tray rotor bearing system by matlab language. thirdly. finish program the unbalance response using riccati - transfer matrix arithmetic and finity buck arithmetic. fourthly, answer to the high vibration of uncontroled system when cross the critical speed, come out to adopt changing clearance damper bearing to control the viberation
本文對多柔盤轉子-支承系統的振動現象做了以下初步探索:用質量離散化方法把原轉子系統簡化;採用matlab語言編制了對傳遞矩陣法計算多柔盤轉子-支承系統的臨界轉速;用matlab語言對riccati傳遞矩陣法和有限元法編制了程序計算系統的不平衡響應;並針對其過臨界轉速時振動較大的現象,提出採用變間隙控制油膜剛度和阻尼,從而使原系統的在特定轉速(臨界轉速)的一段范圍內不平衡響應減小;並從被動控制與主動控制兩方面進行數值模擬,取的了較好的控制效果。In water hydrostatic bearing lubrication, however, more accurate research results can be obtained as long as inertia of water flow is considered, because inertia item almost has the same quantitative level as the viscous one
然而,在水靜壓支承潤滑中,水的流動慣性項幾乎與粘性項具有相同的數量級,對水膜的流速及壓力分佈具有一定的影響,因此應予以考慮,才能得出更加準確的研究結果。After deducing simplified general formula, a method for calculating structure and performance parameter of water hydrostatic bearing is presented, in which the throttle function of short damping hole is employed to decrease water film thickness and to improve the bearing performance
由於滑靴的靜壓支承性能較差,因此在推導出簡化通用公式后,提出了計算水靜壓支承結構和性能參數的方法,利用短阻尼孔的節流作用來減小水膜設計厚度,提高支承性能。Geometric parameters of this floor with both box filler and tube filler are analyzed respectively
分別對角點支承現澆薄壁箱體和薄壁筒芯兩種不同內膜的空心樓蓋作了幾何參數分析。Bifurcation and chaos analysis of the elastic disc - shaft rotating system with the nonlinear oil - film bearings
具非線性油膜軸承支承的彈性盤軸轉子系統的分岔和混沌分析The dynamics behaviors of the flexible jeffcott rotor system supported by unsteady short dynamic bearing are investigated. based on nonlinear unsteady - state dynamic n - oil film force model described by three functions the local stability of the periodic solutions with the controlling parameters, rotational speed ratio, imbalance amount, damping ratio and viscidity, are predicted by using the floquet multiplier. it is found that the period doubling bifurcation is caused by a certain imbalance amount and the hopf bifurcation is created by the lost stability of the oil - film
研究了非穩態動載短軸承支撐的jeffcott柔性轉子系統的動力特性,基於可用三個函數表示動態油膜的非穩態非線性油膜力模型,將轉速比、不平衡量、阻尼比、粘度作為控制參數,利用floquet乘子預測周期解的局部穩定性,發現倍周期分叉是由一定量的不平衡引起的,而hopf分叉是由油膜失穩造成的。By application navier - stokes equations under the sphere coordinate, the calculation formula of the support load of the oil film of the ball joint coupling based on hydrostatic bearing. support property equation of this ball joint coupling was set up. at same time, the formula of the oil film stiffness was established
運用球坐標系下的納維-斯拖克斯方程組推導出靜壓支承球鉸副油膜支承反力的求解公式,給出了靜壓支承球鉸副油膜支承特性方程,得出了靜壓支承球鉸副油膜剛度計算公式; 4In this thesis, pressure distribution model of water film in sliding shoes supporting clearance with considering inertia is deduced and according curve is drawn to vividly illustrate the effect of inertia on water film
本文推導出了考慮慣性時滑靴支承間隙中水膜的壓力分佈模型,並作出曲線加以形象的說明。By application of the simulink toolbox of matlab, the simulation models were obtained. in addition, the relation between various parameters of the slipper pair and ball friction coupling based on hydrostatic support and dynamic characteristic of the oil film was analyzed. 5
建立了靜壓支承球鉸副和滑靴副油膜動態特性的數學模型,並運用matlab中的simulink工具箱對油膜的動態特性進行模擬; 5This paper discusses the performance of load bearing under different boundary conditions by model test and finite element analysis. the x - side binding of the supporting surface connecting with up - side chord member of slice arch is the most important factor that affects membrane effect of the slab. the load bearig capacity of the slab with fixed end increased forty percent of the capacity of the simple - supported slab, because membrane effect of the slab with fixed end is remarkable
本文通過模型試驗和有限元分析,較深入地探討了在不同邊界條件下微彎板的受力性能,結果發現與拱片上弦桿連接的支承面有側向約束條件是影響微彎板的薄膜效應最重要的因素,當該支承面為固結狀態時,薄膜效應十分顯著,其承載力比簡支約束微彎板的承載力提高了約40 。From simple to complex, there are three multi - decks rotor models supported by two seals bearings in two ends established in this article. first model is a multi - decks rotor with loosening foundation. second model is rub rotor - bearing system
本文由簡單到復雜建立了三個採用滑動軸承支撐的雙圓盤轉子?軸承模型,首先是以帶有一端軸承支座松動的簡化雙圓盤轉子系統為模型(轉子系統在非線性油膜力的作用下) 。分享友人