等效軸 的英文怎麼說
中文拼音 [děngxiàozhóu]
等效軸
英文
equivalent axes-
2. to the circular plate working in axial symmetry vibration at resonant frequency, the equivalent mass in analytical form is derived, that ' s is, and further, the equivalent compliance is obtained using the formula c = 1l 2 m
對于工作在諧振頻率下做軸對稱運動的階梯圓板,採用解析法求得它的等效質量,並由c = 1 / ~ 2m求得等效彈性系數。In different in terne die travel, the metal flow characterize in warm extrusion forming processes and the affection for the flow of metal stage which made by the difference between the blank bottom altitude and the axial direction limiting size in warm extrusion forming technique have been analysed we have gotten the equivalent strain field and the velocity field and other field variable that the blank in different in terne die travel and the die travel - load curve. at the same time, we have analyzed the contributing factor for the oil pump stator forming process optimized and achieve thereasonable die parameter for the war m extrusion forming finally, the optimized technics parameters were used into pilot production, then the qualified oil pump stator forging were produced, the analog results were compared with those of pilot production
論文具體分析研究了不同成形工藝過程中金屬流動的特點,並對不同凸模行程下溫擠成形過程中的金屬流動特點、坯料連皮厚度(底部高度)與溫擠壓成形工藝中的軸向界限尺寸的差值對金屬變形階段的影響進行了分析,獲得了坯料在不同凸模行程下的等效應變場、速度場等場變量及凸模行程-載荷曲線,同時對油泵定子成形過程的影響因素等進行了分析,優化並獲得了合理的溫擠成形工藝及模具參數。最後,利用模擬優化獲得的各項工藝參數進行生產實驗,得到實際生產出的合格油泵定子件,並將模擬結果與生產實驗結果進行比較。Further, the axia ! uniform periodical property can be replaced by an anisotropic dielectric with uniform transverse and uniform axial property
進一步,把軸向周期分佈的均勻介質盤又等效為徑向和縱向均勻的各向異性介質。Therefore, the three fundamentals required to obtain high precise measurements are : 1 ) frequency stability and frequency difference stability of the double - frequency laser source as well as the stable equivalent length of bore ; 2 ) the measuring beam and the reference beam are placed very co - axially ; 3 ) capability of recording the sub - division of the period of phase change and a reversible counter system
因而干涉儀系統達到高精度的基礎是:頻率及頻差穩定的雙頻激光源、穩定的等效腔長;測量光與參考光合光後有很高同軸度的光路結構;能可靠記錄相位差變化周期數的細分及可逆計數系統三部分。Non - linear dynamics characters of a rotor system for an elastic shaft - disk with a crack are examined by introducing the geometric non - linearity and equivalent line - spring model
本文引入了幾何非線性關系和等效線彈簧模型對含裂紋的彈性軸彈性盤轉子系統進行非線性動力學分析。Firstly, in order to treat the local weakened effect of the crack on the shaft, the equivalent line - spring model is built. then the constitutive equations are derived and the flexibility model of the rotating shaft is discussed. based on the lagrange equations, the non - linear dimensionless differential equations of the single rotor system with the disk and crack located at an arbitrary position of the shaft are obtained
首先為處理裂紋對軸的局部削弱作用,提出了等效線彈簧模型,推導了線彈簧彈性本構關系,獲得了裂紋轉動軸的柔度模型,然後,應用lagrange方程建立了盤和裂紋處于軸任意位置的無量綱的單盤轉子系統的非線性運動控制微分方程。It is the main purpose of this paper to calculate the energy splitting of ground state and excited states induced by thermally assisted quantum tunneling. first, a brief introduction is given for the theoretical and experimental studies on the magnetic macroscopic quantum effects. then, spin tunneling in a uniaxial ferromagnetic particle in transverse magnetic field is converted to a pseudoparticle moving in effective double - well potential with the help of the effective potential description of quantum spin systems developed by ulyanov and zaslavskii. finally using the periodic instanton method we evaluate the transition amplitude, energy shift and prefactor of wkb exponential and the energy splitting of ground state and the tunneling rate for excited states induced by thermally assisted quantum tunneling are obtained
文章首先對磁性宏觀量子效應的理論和實驗方面作了簡單介紹,然後藉助于ulyanov和zaslavskii發展的一種等效勢描述方法,把外磁場沿難磁化軸方向時的自旋隧穿約化成在等效雙勢阱中運動的粒子,利用瞬子方法給出基態能級劈裂,最後利用周期瞬子方法分別計算了隧穿幅、能級移動以及wkb前因子,從而給出由於熱助量子隧穿引起的激發態的隧穿率。For getting the runner characteristics more correctly, researching the representation of runner characteristics of the kaplan turbine in this paper, and using this method of modifying runner characteristics to calculate the transient of hydraulic power station. improving the calculating model of the axial thrust in the kaplan turbine ' s transient. base on the theory of screw propeller without any boundary, using the theory of screw propeller with pipe, and the formula to calculate the dynamic axial thrust during transient is developed
本文對轉槳機組在過渡過程中的槳葉劃水產生水推力的數學模型進行了改進,在原來使用無邊界螺旋槳進行等效的基礎上,使用了導管螺旋槳對轉槳機組中的槳葉劃水進行等效,並且比較詳細的分析了影響轉槳機組軸向水推力的各個因素,以及給出了動態計算軸向水推力的公式,通過計算表明,使用改進后的動態水推力計算模型得到的結果能較好的反應實測的動態軸向水推力。Analysis software. the analysis show : the gyroscope effect to the flywheel rotor ' s and the shaft ' s vibration character under high rotate speed should be considered. at this time, the system ' s normal frequency is the function of rotate speed ; the amplitude passing through the resonance field can be lowered obviously by improving the effective damping of the electro - magnetic bearing
建立了高速旋轉狀態下,採用磁軸承作支撐的飛輪轉子和轉軸的動力學模型,給出了有限元法在此問題中的具體應用,並利用i - deas有限元分析軟體具體分析了飛輪系統的共振頻率、系統振型,以及對偏心激勵的響應,分析表明:對于高速旋轉的飛輪轉子和轉軸,應考慮陀螺效應對其動力學特性的影響,此時系統的固有頻率是轉速的函數;通過提高磁軸承的等效阻尼可顯著降低系統通過共振區域時的振幅。In many years, the analysis of mechanical characteristics of permanent magnet bearings is deeply studied by scholars in the world, mathematical model is built for analyzing mechanical characteristics of permanent magnet bearings by static magnetic circuit method and equivalent magnetic charge method
長期以來,國內外學者對永磁軸承力學特性進行了深入地研究,建立了採用靜磁路法和等效磁荷法分析永磁軸承力學特性的數學模型。The synthetical stiffness of ball bearings is obtained by combination the contact stiffness with the oil film stiffness. the concept and the calculation menthod of the equivalent stiffness are presented in this paper
將油膜剛度和接觸剛度組合,推導了滾動軸承的綜合剛度,提出了滾動軸承等效剛度的概念和計算方法。It was difficult to measure the load voltage directly between inner and outer conductor of cable induced by shield current under low flux x ray. this paper introduces a measurement, pouring a current, which was same as cable approximately photocurrent in x ray test, into the shield of cable with a triocoaxial system, and the load voltage was got. finally the measured result of typical cable and comparison with the calculation was given with a special load
在簡要介紹屏蔽電纜的轉移阻抗和轉移導納耦合的基礎上,描述了利用三同軸系統對雙電纜和等效負載組成的電纜系統進行電流注入,模擬電纜屏蔽層發射電流,測量芯線等效負載感應信號的實驗,給出實驗結果及分析,並對理論結果與實驗進行了比較。In this paper, the traffic surveys and analysis of typical heavy - load road were performed firstly ; also the characteristics of traffic, load and distribution of axle load were studied. the deficiencies in the calculation method of surface equivalent modulus of foundation in present specification of cement concrete pavements design for highway were analyzed. based on the elastic multi - layer theory and principles of displacement equivalence, and a great amount of computing data, a calculation method was established
本文首先從典型重載交通道路的交通調查與分析入手,研究了重荷載交通道路的交通量、軸載分佈及荷載特徵,針對現行設計規范中關于基層頂面當量回彈模量值計算公式存在的不足,利用彈性層狀體系理論,按照彎沉等效原則,通過大量的計算分析,回歸出了精度較高、適用范圍更廣的基層頂面當量回彈模量計算公式。For the cantilever beam, the theoretical stiffness and limited capacity are slightly less than the test ones if considering only the steel beam and the reinforced bars in the negative moment zone with the concrete in the tension zone ignored
結果表明:簡支組合扁梁,忽略彈性中和軸以下受拉的混凝土的影響,採用等效換算截面方法計算所得的剛度和極限承載力與試驗結果比較吻合;懸臂梁只考慮混凝土板中配置的負彎矩鋼筋,忽略混凝土,計算所得的剛度和極限承載力比試驗結果略微偏小,但相差不大。Through teat of relative vibration, center - line and center orbit of the shaft during starting - up and carrying load process, the abrasion mechanism, radial disturbance, loading status, and self - centering capability etc. of the the failured bearing have been analysed, and measures for preventing damage of bearing shoes being put forward
摘要通過對機組起動及帶負荷過程中軸的相對振動、軸中心線、軸心軌跡的測試,對失效軸承的磨損機理、徑向擾動、承載狀況和軸承自調心能力等進行分析,提出了預防軸瓦損傷的措施。The bottom roller and sub - bottom roller of hcr is calculated about its equivalent stress, contact stress and the distributing of pulling - stress along the inside track of hcr. also, effects of hollowness and pinch fit are analyzed on bearing stress and rated load
主要計算預負荷空心圓柱滾子軸承的最底部滾子和次底部滾子的等效應力、接觸應力和滾子內圈拉應力的分佈情況,分析滾子空心度和過盈量對軸承應力和額定載荷的影響。The equivalent rotation conversion of electrical actuating machinery main axle inertia on piston compressors
活塞壓縮機驅動電機主軸等效轉動慣量的折算This texts regards the shaft as one well unit equivalent square length of the drum
本文將抽水井當作一個與圓筒軸長相同的等效方形簡單元來處理。In the second part, considering the depress of the stiffness of concrete caused by its transient thermal strain under fire, the current formulas can be conducted, and then the formulas to calculate the internal force and deformation of rc frame under fire can be conducted by structure mechanics
( 2 )受火構件等效成常溫構件后,再對火災高溫下混凝土瞬態熱應變導致的軸向剛度降低進行修正,推導了受火樑柱的剛度降低修正計算公式,基於結構力學矩陣分析法推導了受火構件的溫度內力和變形計算公式。The topic has analysis the body in the static, dynamic and the thermal - stress using the finite element method. in the analysis, adopting entity model building to build the fea model, predigesting the bonded block, using entity equivalence the bearing effect, adopting indirect method to couple the mechanism load and thermal load
分析中,採用實體建模方法建立了機體的有限元模型;對結合部進行了簡化處理;用實體等效軸承的作用;採用間接法耦合了熱載荷和機械載荷的作用;應用錘擊法對機體和軸系進行了動態性能實驗。分享友人