粘壓阻力系數 的英文怎麼說
中文拼音 [niányāzǔlìxìshǔ]
粘壓阻力系數
英文
viscous pressure resistance coefficient- 粘 : 粘動詞(粘附) glue; stick; paste; adhere to; bond
- 壓 : 壓構詞成分。
- 阻 : 動詞(阻擋; 阻礙) block; hinder; impede; obstruct
- 力 : Ⅰ名1 (力量; 能力) power; strength; ability; capacity 2 [物理學] (改變物體運動狀態的作用) forc...
- 系 : 系動詞(打結; 扣) tie; fasten; do up; button up
- 數 : 數副詞(屢次) frequently; repeatedly
- 阻力 : 1 (阻礙事物發展的外力) obstruction; resistance 2 [物理學] resistance; drag; drag force; nowel; ...
- 系數 : [數學] coefficient; ratio; modulus; quotient; factor
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Since lots of factors such as pumping blood ability of heart, heart rate, vascular resistance, flexibility of main artery and big artery, body blood capability and hemal physical state can be reflected by blood pressure, it is of great importance to be one physiological parameter for body cycle system enginery
=血壓是反映心臟泵血功能、心率、血管阻力、主動脈和大動脈的彈性、全身血容量及血液粘滯性等生理參數的重要指標,是反映人體體循環系統機能的重要生理參數。The experiential formula between kc and base resistance q from cpt and, the relationship between ke and c # ( strength of concrete ) are also created by fitting 94 pressed pile testing date. based on analyzing the compacting effects caused by driving pile in loess and it ' s influence on bearing capacity and settlement, another two disturbance parameters, c and e, are proposed for multiplying respectively the parameters of soil cohesive c and deformation modulus es to reflect this effect. by fitting 51 driven pile testing date, we created an experiential formula between the e and r ( the modulus ratio between pile and surrounding soil ), also an experiential formula between the c and base friction resistance fs / pa from cpt of pile surrounding soil
在本文中分析了靜壓樁的沉樁擠土效應對其承載力與沉降特性的影響,在計算模型中引入了樁周土粘聚力c的修正系數k _ c和樁周土變形模量e _ s的修正系數k _ e來體現這種影響,通過對94根靜壓樁試樁資料進行擬合,建立了k _ c與樁端土靜力觸探的端阻q _ c之間經驗公式以及k _ e與c # (混凝土標號)之間的對應關系。In the third chapter, the mathematical models of project system have been established, and simulation has been done on the simulink enviroment of matlab software kits. the simulation focus on the effects of main parameters on the dynamic characteristics of speed control system, and the main parameters include viscosity damp coefficient and friction torque of electrical motor shaft, internal leakage coefficient of pump / motor of hydraulic circuits, gas volume of pressure accumulator, viscosity damp coefficient of cylinder piston and different running building floors, etc. at last, theoretical research effects of the flow and pressure pulsation of pump / motor on car speed and oil volume leakage theory are discussed. the fourth chapter of this thesis concerns the research on the key items about hydraulic power control system according to the ens 1 - 2 and other hydraulic elevator standards
論文第三章針對組成系統的各個模塊進行了機理建模,並且通過matlab軟體中的simulink圖形化模擬環境進行了本課題系統的模擬研究,主要針對影響系統特性的主要參數變化,動態分析系統的輸出特性,在上下行工況中,分析了電機軸系粘性阻尼系數、軸系摩擦力矩、主迴路蓄能器迴路液壓泵馬達內泄漏系數、蓄能器氣體容積、液壓缸柱塞粘性阻尼摩擦系數以及不同運行樓層工況等參數對系統特性的影響;最後對軸向柱塞泵馬達的流量壓力脈動對電梯轎廂速度的影響和蓄能器內油液體積損失機理進行了理論研究。According to elasto - plasticity theory, with the help of finite - method program ansys, the paper undertakes the computer analogue tests about the bearing capacity of pile tip arranged by orthogonal principle, and attains the relations of pile - tip bearing capacity to embedment depth, pile diameter, cohesion, internal friction angle and modulus of deformation. by the means of mathematical statistic, regression equation of the ultimate bearing capacity calculated by finite element method is gained through the regression analysis of 81 group data from the computer analogue tests. by comparison and analysis of the values calculated by finite - element regression equation and the values of in situ loading test, the regression equation is gained which calculates the size effect for base resistance of large diameter pile
根據彈塑性理論,運用大型有限元軟體ansys按正交設計理論對樁端承載力進行模擬計算,獲得樁端承載力與樁長(埋置深度) 、樁徑、粘聚力、內摩擦角及變形模量等主要影響因素的關系,並採用數理統計方法,對81組ansys模擬試驗結果數據進行回歸分析,得到有限元法確定樁端極限承載力的回歸公式,並將有限元法回歸公式計算值與現場小壓板載荷試驗值進行比較分析,得到大直徑樁端阻的尺寸效應系數計算公式。This dissertation also presents the equivalent stiffness and damping models and the nonlinear hysteresis and saturation model of a kind of the mr damper developed by the experimental testing and modeling in order to describe accurately characteristics of the mr damper
建立了磁流變阻尼器的等效剛度和等效粘性阻尼系數與施加電壓、激振頻率和振幅的關系以及能精確表示磁流變阻尼器的力學特性的非線性滯回模型。Firstly a mathematical swath in full scale is studied. the numerical results of total pressure, wall shear stress, corresponding viscous resistance coefficient at different velocity and so on are obtained. the computational viscous resistance coefficients are compared with the estimated ones using empirical formula and the results are found to be in good agreement
首先對一swath數學船型做了研究,得到不同航速下的物面總壓力、物面切應力分佈及相應的粘性阻力系數等結果,並將各航速下的粘性阻力計算結果和經驗公式估算結果做了比較,吻合得較好。The sand is provided with the pseudo - cohesion c by reinforcement, which verified " the frictional reinforcement theory " and " the pseudo - cohesion theory " ; ( 2 ) the vertical pressure can influent the friction only within certain limits ; ( 3 ) the frictional performances of different filling with the same reinforcement are different ; ( 4 ) when the reinforcement and filling are similar, the development of the friction between reinforcement and filling is influenced by physical state of filling ; ( 5 ) the achievement of experiment are applied to project
砂土加筋后具有較大的準粘聚力c值,這證實了關于加筋土原理中的「摩擦加筋理論」和「準粘聚力理論」 。 ( 2 )當垂直壓力在一定范圍內時,垂直壓力越大,摩阻力越大;但當垂直壓力超出一定范圍后,其對摩阻力的影響逐漸減弱, f曲線趨于平緩,且似摩擦系數隨垂直壓力的增大呈非線性減小。分享友人