阻力參數 的英文怎麼說

中文拼音 [shēnshǔ]
阻力參數 英文
drag parameter
  • : 動詞(阻擋; 阻礙) block; hinder; impede; obstruct
  • : 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...
  • : 參構詞成分。
  • : 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; ...
  1. Using the hulscher model of the formation of sand waves and sandbanks, under the ancient bathymetry, or under the modern bathymetry, the stokes number of the tidal flow and resistance parameter in the radial sandbanks satisfy the conditions for the formation of sandbanks. the research demonstrates that the dynamic flow conditions result in the development of tidal current sandbank. the radial sandbanks and it ' s asymmetrical distributions will still maintain in the future

    應用hulscher沙波及沙脊增長模式,通過對該海域斯托克斯及底部阻力參數的計算首次發現,南黃海輻射沙脊群海域在概化古地形和現代輻射狀沙脊群水下地形情況下,其斯托克斯及底部阻力參數均滿足形成潮流沙脊的條件。
  2. The penetration test study the disturbance of soil in difference location. by using finite element method, the paper study the stratum movement and the earth surface deformation caused by pipe jacking, analysis the construction parameter such as head pressure, deflexion, friction force impact on earth surface deformation, give the distributing rule and range of additional soil pressure in soil

    採用有限元計算分析的方法,對頂管施工引起的地層運動及地表位移進行研究,分析了機頭土壓、機頭偏斜、摩等不同施工對地表變形的影響以及附加應在土中的分佈規律和影響范圍。
  3. 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、主動脈和大動脈的彈性、全身血容量及血液粘滯性等生理的重要指標,是反映人體體循環系統機能的重要生理
  4. The rheological equations, derived from n - s equation in hydromechanics employing the newton fluid model and the bingham plastic model, demonstrate that damping force can be controlled by changing the magnetic field in the gaps. 4

    流變學方程表明:改變尼通道的磁場強度可以控制磁流變尼器的,從理論上分析了磁路尼通道的結構對磁流變尼器的影響。
  5. The structure and operating principle of an air - charged split - type adjustable shock absorber was described, e non - linear parameterized mathematical model of this shock absorber ' s damping characteristics was established according to fluid mechanics theory and the main structural affection factors to shock absorber ' s damping performance, such as the diameter of piston valve orifice, the diameter of adjustable orifice, the initial volume of gas chamber, the diameter of piston rod, the inner diameter of oil pipe and so on, were analyzed by simulations

    摘要通過分析一種分體式充氣可調尼減振器的結構和工作原理,運用流體學理論,建立了該減振器尼特性的非線性化模型,模擬分析了活塞尼閥孔徑、尼調節孔徑、氣室初始體積、活塞桿直徑、油管內徑等主要結構對減振器尼性能的影響,通過試驗測試,得到了減振器樣件的尼特性及其可調范圍。
  6. Taking the contact stress, bend stress stiffness and temperature stress as the condition, taking the weight of the kiln tyre as optimization aim function, the redia and the width of the tyre are optimized general optimize methods just consider the affecting of the parameters to aim function, but in fact, structural parameters ( such as structure dimension, interval and so on ), physics and dynamics ( damp factor, conduct factor, friction factor material ' s elastic module strength limits and so on ), which would be changed after used. the difference are called discrepancy robust design ' s basic concept is : all design parameters " discrepancy will affect the aim funct ion and arouse the quality target discrepancy

    一般的優化方法,僅僅考慮了對其目標函的影響,而實際情況下有些是變化的,產品的結構(如幾何尺寸、間隙等) 、物理和尼系、傳導系、磨擦系、材料的彈性模量和強度極限等的設計值與製造后和使用中的實際值會有差異,這種差異稱為設計變量和噪聲因素的變差。
  7. Based on extensive investigation of construction technique history of chinese ancient buildings, the structure method, structure developing history and seismic behavior of chinese ancient timber structure buildings are analyzed in several respects of the structural system and form. through a series of experiments on constituent parts of chinese ancient timber building structure, including the tests on the corbels and brackets called dougong subjected to low cyclic reversed loadings, the tests on the wooden frame using the tenon - mortise joints as connections of column and beam subjected to low cyclic reversed loadings, the tests on vibration isolation effect of friction and slippage between column footing and their socle base, and a series of shaking table tests on a chinese ancient timber structure palace building mode under artificial earthquake at serving conditions, destroyed conditions and reinforced conditions, many valuable results of structures such as moment - curvature hysteretic loops of dougong structure and tenon - mortise joints under low cyckc reversed loadings, the static function, the seismic performance, energy dissipation, vibration reduction, energy - loss mechanism, nechanicalmode and failure mode were studied. aplenty of valuable parameters of the structure system were obtained, such as the natural period of structure, vibration modes, damping ratio, factor of vibration isolation, oscillate amplitude of ineitial accebration, velocity and displacement, magnitude of slippage, and the mechanism of structure failure and collapse etc. based on these research, the complete analysis of ancient timber structure under earthquake were carried out in which including mechanism analysis method, calculating mode, strength analysis of members and joints, strengthening methods for serving damaged ancient timber structure buildings were also taken into account

    依照宋代《營造法式》建造了抬梁式殿堂木結構構件及結構模型,對中國古代木結構中的典型構造如:柱腳在礎石頂面平擱簡支、柱架榫卯連接、柱高不越間之廣、側腳、生起、斗拱等的構造機理及結構功能進行了量化分析和實驗研究: (一)通過木柱石礎靜摩擦試驗,測定了柱腳與石礎古鏡面間的摩擦系及摩擦隨上部結構荷載變化的規律; (二)通過單柱承載試驗,測定了古建築中木柱的受變形特徵、破壞模式、及模型材料的變形模量、極限承載、極限變形等量; (三)通過柱架低周反復荷載試驗,測定了柱架的抗側移剛度、柱架恢復特性及滯回曲線、榫卯張角剛度及其變化規律、柱架及榫卯的極限承載和極限變形、及榫卯減振; (四)通過斗?低周反復荷載試驗和受壓試驗,測定了古建築木構件與木構件間摩擦系,斗?抗側移剛度,斗?恢復特性及滯回曲線,斗?抗壓極限承載及受變形規律; (五)通過抬梁式殿堂間架模型振動臺試驗,測定了殿堂木構架結構自振周期,地震反應振形、尼特性及尼比;按結構分層特點對柱腳、柱頭和斗?層上的屋蓋的地震反應採用多點同步測量,對柱根滑移、榫卯變形、斗?的變形、復位、耗能減振等進行了定量分析。
  8. As a newly developed high - performance ship, wave piercing catamaran ( wpc ) has been applied and investigated more and more extensively. in this paper, the theoretic calculation method of wave resistance of a kind of wave piercing passenger catamaran with 500 passengers has been researched, including the ship lines optimization ; the fast speed experiment research work and the research of the relation between the principal dimensions and the resistance. the relation between the wave piercing catamaran and the ship form parameters has been further researched, and also some useful theoretic basis and practical means have been provided for its practical engineering appliance

    本文以「 500客位穿浪雙體船」為研究對象,對穿浪雙體船興波理論計算和船型優化方法進行了研究,其主要研究內容如下:一、穿浪雙體船的線型優化二、穿浪雙體船快速性理論與試驗研究三、穿浪雙體船主尺度與快速性的關系通過以上內容,較深入的研究了穿浪雙體船船型與快速性的關系,為其在實際工程中的應用提供了理論依據和解決方法。
  9. Since these theoretical analyses are based on inviscid potential flow theory, theoretical calculation and computational simulation may complement each other. the hydrodynamics and undulating propulsion of specimens were studied using three dimensional computational fluid dynamics ( cfd ) modeling. the cfd analysis using kinematic model of undulatory dorsal / median fin draws a series of conclusions, which include that the body drag increases significantly with the lateral body oscillation ; the body drag is minimum while the start point of

    計算結果表明游動過程中的形體隨側向周期性擺動而增大;當背鰭前端位於身體側向最寬處時,形體具有局部最小值,結論與實驗觀測結果相吻合;在實驗觀測的典型運動下,波動面的運動方程中的非對稱因素的出現使推進增大約1 . 10倍。
  10. In this thesis, the technology of visual fictitous design was used to design the level exchanged direction and double direction plough. first, the traction force formula of cylindrical plough face based on the prior study was deduced, and the forces of the solid model of circumrotatory pin was calculated, and visual dummy design technology was applied to analyse the force of circumrotatory pin and the parameter of pin

    其次在前人研究的基礎上推導出圓柱型犁體曲面的牽引公式;根據該公式計算出旋轉銷三維實體模型所受的,根據該運用可視化虛擬設計技術對模型進行受分析,對旋轉銷的進行合理設計;根據牽引公式計算出安全螺栓所受的,根據該運用虛擬設計技術對安全機構進行設計。
  11. Several icing parameters were imported to calculate the change of drag coefficient and typical derivatives between clean aircraft and iced aircraft, and the aircraft flight envelope change of iced and un - iced situation was computed, and the small disturbance flight dynamics model was modified to study the effect of the ice accretion on the aircraft dynamics by importing the ice parameter to it, and the longitudinal and lateral stability and the elevator, aileron and rudder step response were also studied and simulated

    根據這些計算了飛機結冰后以及典型氣動導的變化,並計算了結冰前後飛機的飛行包線;同時對結冰前後飛機的縱向、橫側動穩定性以及升降舵、副翼和方向舵階躍操縱響應進行模擬計算。
  12. The result of orthogonal experiment and secondary regression experiment on the bionic disk plows indicates that the bionic non - smooth partial sphere structure cell can decrease resistance by almost 30 % than common plow in the condition that the structure and distribution combine rationally. therefore, the bionic design and experiment research on disk plows is very significant

    仿生圓盤犁刀的正交試驗和二次回歸試驗結果分析表明,如果圓盤犁刀的仿生非光滑球冠結構單元的結構和分佈組合搭配合理,仿生圓盤犁比普通圓盤犁可減少約30 ,因而本文對圓盤犁刀進行仿生設計與試驗研究是非常有意義的。
  13. Based on the pull - out tests data between geogrids and expansive soil / sands arranged by the orthogonal table l9 ( 34 ), the following conclusions are reached : 1 ) the displacement - properties of pullout tests depend on the pullout speed. the law of factors " affecting degree, which influences the parameters between geogrids and soils in the pulling - out procedure, is obtained. with the concept of " equivalent pull - out displacement ( x ) " brought forward, the whole process of pull out tests is divided into two process - " main process ( when x 1. 0 ) " and " residual process ( when x 1. 0 ) ", and three stages - static friction resistance stage, slip friction resistance stage, and residual friction resistance stage

    基於正交設計表l9 ( 3 ~ 4 )分別安排了影響因素與土工格柵膨脹土或砂土界面相互作用的拉拔試驗據,獲悉: 1 )拉拔試驗位移特性主要取決于影響因素中拉拔速率;通過分析並獲取影響因素對筋土界面相互作用的影響程度及其在拉拔試驗過程中的變化規律,提出了當量拉拔位移( x )的概念,並據此將拉拔試驗全過程劃分成「主過程( x 1 . 0 ) 」和「殘余過程( x 1 . 0 ) 」 ;且將影響因素對拉拔或摩擦的影響程度分成三階段(靜摩擦階段、滑動摩擦階段,殘余摩擦階段) ; 2 )不同(規范)定義的筋土界面摩擦值相差較大,但影響因素對摩擦影響程度及其變化規律不會因不同(規范)定義而受到影響。
  14. The stress condition ; overall stability ; effect of filling gravels into the hole of the block of the precast concrete interlocking blocks in the water flow during the flood period as well as the resistance parameters of the blocks are studied through experimental simulation ; in which a comprehensive analysis is made on the mechanical stability and the anti - erosion properties of the blocks, and then the requirement and the safety degree of the gravel filling are given

    摘要通過試驗模擬研究了預制混凝土連鎖塊在洪水期水流中的受狀況、整體穩定性、孔內填充碎石的作用及連鎖塊阻力參數,綜合分析了連鎖塊結構的學穩定性和抗沖性,給出了碎石填充的要求及安全度。
  15. In the thesis the low drag - low noise optimization of the vehicle main form design is realized, main accomplishments are as follows. researched the knowledge of drag and flow noise, the parameters of the boundary layer are calculated by the hess - smith method and boundary layer momentum integral method. the calculation of the length of transition zone and change in boundary layer displacement thickness between laminar and turbulent states in the transition is improved, then the drag coefficient and self - noise from the transition zone are calculated as the objective functions of the optimization

    主要研究內容和成果如下:對航行器繞流流場進行分析,深入研究了和流噪聲產生機理,建立了和自噪聲的評估值計算模型;採用物面分佈源匯法和邊界層動量積分法對繞流流場的流體動進行計算,改進了轉捩區長度和邊界層位移厚度的計算,應用於航行器頭部駐點自噪聲的計算;最後設計了和自噪聲值計算程序模塊。
  16. In order to test resistance parameters and general properties of the idler automatically and continuously, by using " the rotating inertia method " to construct mechanical drive control system, theory of realizing double parameters measurement of the idler was discussed, and by using pressure transducer parts to control the experiment pressure, method of examining the idler was also put forward

    摘要為實現對托輥阻力參數及綜合性能的自動化、連續化的測試,論述了利用理論學中「轉動慣量法」構建機械傳動控制系統,實現托輥測量的原理,闡明了採用壓傳感器部件控制試驗壓,達到托輥產品在規定壓下跑合要求的檢測方法。
  17. The aerodynamic objective function is described as some aerodynamic parameters gained by reynolds - averaged n - s equations, such as : the lift, the drag, the ratio of lift to drag or the pitching moment, etc. the optimum process is started by a base airfoil

    本文採用基於n - s方程的流場計算程序來求解流場,得到升矩系等氣動,並以其中某個或某些構成目標函
  18. Third, based on the parameterization of the related land surface characteristics, using the probability density functions ( pdf ) and the grossly dynamic resistance method, a statistical - dynamical parameterization scheme is put forward. the mean evapotranspiration flux of lower reaches of the yangtze river is calculated by tins scheme and the results are compared with the formers " conclusions. finally, the calculated results by the statistical - dynamical parameterization scheme are compared with the mosaic method

    第三,在進行了有關地表特徵物理量的化后,結合擬合的概率密度函,根據總體動抗法,提出了一種考慮網格區整體非均勻性的統計-動化方案,並採用這種方案計算了長江三角洲地區的平均蒸發散通量,計算結果與以前研究者的研究成果進行了比較驗證。
  19. Measurement of mechanical characteristics for motor by

    激波誘導兩相流中影響的特性研究
  20. Based on the major parameters deduced the traditional experiences and a lot of experiments, this paper brings forward a new, on hydrodynamics computing equation of the circulation oil volume of the lubrication system and the minimize pressure required in the main oil channel, also says briefly several part resistance coefficient which is used usually

    以傳統的、由大量實驗而得出的發動機潤滑系統各主要為基礎,提出了一種新的、以流體學為依據而得出的潤滑系統循環油量和各泄漏量的計算公式,以及主油道所需最低油壓的計算公式;簡要地介紹了潤滑系統中常見的幾種局部
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