測阻力模型 的英文怎麼說

中文拼音 [xíng]
測阻力模型 英文
drag model
  • : 動詞1. (測量) survey; fathom; measure 2. (測度; 推測) conjecture; infer
  • : 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...
  • : 模名詞1. (模子) mould; pattern; matrix 2. (姓氏) a surname
  • 阻力 : 1 (阻礙事物發展的外力) obstruction; resistance 2 [物理學] resistance; drag; drag force; nowel; ...
  • 模型 : 1 (仿製實物) model; pattern 2 (制砂型的工具) mould; pattern3 (模子) model set; mould patter...
  1. Engine load simulated control system was consisted of two unattached parts of work resistance simulated control subsystem and electric bow wave dynamometer control subsystem. with the mathematic models of engine load simulation controller, which transferred the work resistance ' s change to engine load change immediately, the system can met the need of the simulation control system

    發動機負荷擬加載控制系統包括彼此獨立的作業擬控制子系統和電渦流功機控制子系統兩部分,應用發動機負荷擬控制器數學,使作業的變化及時轉換為發動機負荷的變化,能夠滿足擬系統的控制要求。
  2. The pressure drop of the compound tray can be regarded as consisting of dry plate pressure drop, clear liquid resistance, liquid surface tension resistance, and packing pressure drop. the model that has established can fairly predict the pressure drop of the compound tray, the value calculated by the model compared with that detected by experiment is less than 20 %

    復合塔板的壓降可認為由干板壓降、清液層、填料層壓降和克服液體表面張的壓降四部分組成,所建立的壓降計算,能較好地預復合塔板的壓降,計算值與實驗值誤差在20以內,可用於工程設計。
  3. Some researchers have made study on this subject, such as the generation and evolution of frazil ice, shore ice, bottom ice, ice cover and ice jam, the resistance of freeze - up river, flow capacity and variation of water stage

    國內外一些學者通過原,試驗和數值擬的方法對水內冰,岸冰,底冰,冰蓋和冰塞的生成和演變,封凍河道的、過流能和水位變化等有關問題進行了研究。
  4. 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參數化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參數對減振器尼性能的影響,通過試驗試,得到了減振器樣件的尼特性及其可調范圍。
  5. 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,對中國古代木結構中的典構造如: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,定了柱腳與石礎古鏡面間的摩擦系數及摩擦隨上部結構荷載變化的規律; (二)通過單柱承載試驗,定了古建築中木柱的受變形特徵、破壞式、及材料的變形量、極限承載、極限變形等參量; (三)通過柱架低周反復荷載試驗,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、及榫卯減振參數; (四)通過斗?低周反復荷載試驗和受壓試驗,定了古建築木構件與木構件間摩擦系數,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振動臺試驗,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量,對柱根滑移、榫卯變形、斗?的變形、復位、耗能減振參數等進行了定量分析。
  6. The analysis of the repeated test data shows the maximum deviation of air drag coefficient is less than 0. 88 % and the deviation of the most surface pressure data is within 1 %, it illustrates the test data is reliable

    重復試驗的數據分析表明,空氣系數數據的最大偏差小於0 . 88 ,絕大部分壓試驗數據的偏差均在1以內,這說明客車風洞試驗數據的精度較高。
  7. The results of hydraulic resistance and automatic measuring and controlling system presented by this paper have been applied to practical engineering hydraulic model research, forming a characteristics system

    本文關於水和自動控系統的成果均應用於實際工程水研究,形成了有一定特色的體系。
  8. Aiming at the study actuality of fan performance monitoring system and analysis of fan performance curve changes affected by inlet - box and the different fixed - angles of guide blades in the course of installation, a fan flow monitoring model based on rbfnn in whole flow zone was established in this thesis. in the model, the method of no throttle and fan performance curve were used as basis. and on the basis of that model, fan performance curves of 4 - 73no. 8d were approached with experimental data of different speed, different opening - angles of guide blade and different resistance of pipeline, the precision and the error law of model were studied

    本文針對電站風機性能監系統研究較少的現狀,在實驗的基礎上分析了現場加裝進氣箱和由於安裝造成的導流器葉片開度不一致對風機性能曲線的影響,並在此基礎上採用無節流方法量流量,以風機調節性能曲線為依據,建立了基於徑向基函數( rbf )神經網路的風機流量全程監;以實驗室4 - 73no . 8d離心風機為研究對象,探討了rbf神經網路差壓在變轉速、變導流器開度和變管網等工況下的應用精度和誤差分佈規律;最後用visualc + +語言開發了風機性能在線監系統。
  9. At the same time, the intrapartical diffusion and liquid internal mass transfer can been enhanced by ultrasound field, owing to additional stirring, the increasing rate of intraparticle diffusion coefficient is enhanced, while that of the liquid film mass transfer coefficient is reduced under ultrasound field

    研究表明: freundlich ?兩相計算得到濃度與實驗定值非常吻合,超聲場能有效地強化浸取粒內擴散與液膜傳質,攪拌作用下超聲強化液膜擴散的的能降低,強化粒內擴散的能增強。
  10. A friction drag testing system for the underwater axi - symmetrical vehicle model

    一種軸對稱水下航行器摩擦試系統
  11. The method is described as follows : the velocity of the moving part and the gas chamber pressure were measured with a dynamic test measurement system ; a dynamic model was built on force analysis of the moving part ; the total kinetic resistance replaced the horizontal friction and water resistance ; then the resistance - velocity relation curves at moving stages were obtained ; with the empirical formula of the gas chamber pressure and the resistance - velocity relation curves, the preliminary dynamic characteristics were analyzed and the structural form and key parameters of an underwater assault rifle were determined

    具體方法為:由動量系統得活動件速度和氣室壓;分析活動件的受,建立動;以運動總代替水平方向上的摩擦和水,獲得各運動階段的速度關系曲線;利用氣室壓經驗公式和速度關系曲線,對水下突擊步槍進行初步的動學分析,確定其構造式及主要參數。
  12. Performance for a piezoresistive transducer pressure sensor to thermal and pressure environments can be predicted by finite element method. a simplified 1 / 8 model, considering silicon dioxide and nitride process as well as stack anodic bonding and adhesive bonding processes, was developed. the fem results were found to be comparable to experimental data. case studies suggested that pyrex stack induces certain amount of non - linearity, while it isolates hard epoxy nonlinear effect. flexible epoxy bonding or soft adhesive bonding is preferred to the packaging process. the viscoelasticity and viscoplasticity of bonding material will result in hysteresis and drift errors to sensor output. however, soft adhesive s influence on sensor can be ignored under relative stable environments. more over, detailed design and process information will help to improve modeling application

    熱、壓環境下壓變換壓傳感器的性能可以通過有限元方法預.這里研究了簡化的1 / 8考慮了二氧化硅和氮化硅生成過程及堆陽極鍵合和膠粘結合過程.結果發現有限元預結果和實驗數據具有可比性.範例研究表明,硼硅堆導致產生一定的非線性,但它隔離了硬環氧樹脂的非線性.在包裝過程中最好使用柔性環氧黏合或軟黏膠性結合.黏合材料的黏彈性和黏塑性將會導致傳感器輸出的滯后和漂移誤差.然而,在相對穩定的環境下,軟黏合劑對傳感器的影響可以忽略.此外,詳細的設計和過程信息有助於提高的適用性
  13. In this paper, using high - speed train aerodynamics model research system, the propagation mechanism of compression wave, which created when high - speed train entering into a tunnel was researched, at the same time the effect of velocity of the model train and the ratio of train with tunnel was analyzed, the result is helpful for future research

    利用高速列車空氣動實驗系統對高速列車在進入隧道過程中瞬變壓的傳播規律進行研究,並分析了列車速度以及塞比對試結果的影響,得出的結論對以後的研究具有一定的參考和借鑒。
  14. For the case of transporting suspended fine sand, a single - fluid model is used to calculate the flow resistance by solving the navier - stokes equations. the computed agrees well with the measured. and for the case of transporting medium - sized sand, a two - layer model is used and the model produces a good agreement with the experiment data

    對管道輸送細沙懸移質的流場,採用單流體進行數值求解n - s方程,計算結果與實驗資料相吻合;對具有分層流動的中沙管道水輸送,採用兩層代數進廳了計算分析,損失的預結果與實驗吻合較好;最後對管道輸送粗沙的特性和運動機理進行了分析探索,提出了進一步研究的方向。
  15. The relationship between the resisitivity and the stress was simulated by matlab software. based on the mathematical and physical strength model, the resistivity in different thickness of the composite was attained, and the total resistivity was attained through the integral of thickness, which is basically identical with the tested resistivity

    用matlab軟體擬了應與電率的變化關系式,再結合數學物理,得到了組元不同厚度處的電率值,通過對厚度求積分得到的總電率值,與實率值基本吻合。
  16. Based on investigating and technical testing, this paper researches the electric upsetting process comprehensively, puts forward a over - all parameters control system, a intelligent upsetting project, a " spherically upsetting method " and a detecting pressure ? ontrolling temperature method innovatively. it is the first time to use the intelligent control theory in electric upsetting, put forward a defect removing experts system and temperature control fuzzy experts system, as following : 1. method of reconstructing intelligent upsetting machine from a traditional one, changing the parameters to controllable

    本文在理論分析、調研和工藝實驗的基礎上深入研究電熱鐓粗工藝,提出了電熱鐓粗工藝全參數控制系統、智能電鐓機的硬體框架,提出了具有創新性的「球形鐓粗法」及檢變形? ?控制變形溫度的方法,並首次把智能控制技術運用於電熱鐓粗工藝,提出了電熱鐓粗產品缺陷消除專家系統和溫度控制糊專家系統。
  17. The dynamic characteristics of structure were calculated and tested. the simulation system was developed with which the seismic responses of the tall building with podium structure using mr single damper / multiple mr dampers were simulated

    設計和製作了mr尼器耦聯的帶裙房高層建築的試驗結構,對結構的動特性進行了理論計算與實時試。
  18. 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,將轉速比、不平衡量、尼比、粘度作為控制參數,利用floquet乘子預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。
  19. Among them distributing with the traffic of average rate of increase law calculation flow of passengers capacity ; the flow of passengers is brought out in model law calculation with gravity ; constructing the rate sharing responsibility for building model calculation according to transportation resistance shifts the flow of passengers ; think over time value when the flow of passengers is brought out in the calculation

    以膠濟鐵路提速改造為例,就構造的客運量預作了應用研究。其中以平均增長率法計算客流量的交通分佈;以重法計算誘發客流;依據運輸構建的分擔率計算轉移客流;在計算誘發客流時考慮了時間價值。
  20. Gravity model : the typical inputs include one or more flow matrices, an impedance matrix reflecting the distance, time, or cost of travel between zones, and estimates of future levels of productions and attractions

    :輸入的基本數據包括一個或多個流量矩陣,反映距離的抗矩陣,小區間的出行時間和成本,未來發生和集中預
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