阻力公式 的英文怎麼說

中文拼音 [zǔlìgōngshì]
阻力公式 英文
drag formula
  • 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...
  • 公 : Ⅰ形容詞1 （屬于國家或集體的） state owned; collective; public 2 （共同的;大家承認的） common; gen...
  • 式 : 名詞1 （樣式） type; style 2 （格式） pattern; form 3 （儀式; 典禮） ceremony; ritual 4 （自然科...
  • 阻力 : 1 （阻礙事物發展的外力） obstruction; resistance 2 [物理學] resistance; drag; drag force; nowel; ...
  1. The scale effects due to unsimilar bed risistance is discussed in detail, and the correct way of scour depth is supposed. at last, a new transport rate formulas of uniform or nonuniform bed load is given

    本文還對由於阻力不相似而引起的比尺效應進行了較詳細的討論，從理論上給出了沖刷深度比尺效應的修正方法及新的均勻、非均勻推移質輸沙率的計算公式。
  2. On this foundation the article inducts in detail the method which is based on the relative settlement of calculating unit area end support ( qb ) force at the same time considering the feature of pedestal pile ' s " arch effect " the article introduces conception of pile effective length and finally obtain t he formula of calculating man - made pipe with bulb - shaped axial carrying capacity. the article uses marc program to calculate and analyze foundation soil ' s stress and displacement and gets the change curve chart and the proportion that is shared by king - pipe side soil friction resistance and pipe end counterforce respectively. the article inducts the structure of pedestal in detail on the basis of generalizing pedestal application cases of many countries

    在此基礎上論文詳細歸納了以相對沉降為依據確定單位面積端承力q _ b的計算方法，並考慮擴底樁的「拱效應」特點引入了有效樁長的概念，最後結合公路規范推出了比較實用的人工挖孔擴底樁軸向承載力計算公式。論文運用了marc程序對地基土的應力和位移進行了有限元數值計算分析，得到了地基土的應力和位移場的變化曲線和在加載過程中樁側土摩阻力和樁端反力各自所承擔的比例；本文還在總結各國挖孔擴底樁應用情況的基礎上就擴底樁的構造進行了詳細的歸納。
  3. Roll over protective structure ( rops ) is a device which installs on out of construction vehicle. the main functions are : when the vehicle rolling over. rops can prevent the vehicle from rolling over further, and reduce the possibility of rolling vehicle injures operator ; when the vehicle traveling on freezing soil. concrete and rock, it has large resist continuous impact ability ; when the vehicle overturning rops can support the whole vehicle. arrangement of falling object protective structure ( fops ) can block objects ( such as trees, rocks ) so that supply protection for operator. this problem is that research rolling over and falling objects protective structure of bulldozer by learning research condition of rops / fops and relative lay down international standard. on the base of theory analysis. detrudes counting formula of rops / fops deformation through founding mechanics analysis model of rops / fops at the stage of elasticity and plastoelastic. and finds a set of feasible nonlinear finite element analysis counting. lt calculates rops / fops plastoelastic deforma variable of 320hp bulldozer, bulldozer has been carried out by optimizing design method

    其主要功能是：當車輛滾翻時， rops能刺入未凍土壤而阻止車輛的進一步滾翻，降低滾翻的車輛對系著安全帶司機軋傷的可能性；保證rops在碰撞和沖擊變形不大的地面（如凍土、混疑土上、巖石）時，能具有相當大的抗連續沖擊能力；當車輛已經處于顛覆狀態時，已經變形的rops應能支撐住整車。落物保護裝置（簡稱fops ） ，其構件的布置方式要能遮蔽墜落的物體（如，樹木、巖石等） ，以便對司機提供適當的保護。本課題主要通過了解國內外有關對rops fops的研究情況和有關國際標準的制定，對大型推土機傾翻和落物保護裝置進行研究，在理論分析的基礎上，通過建立rops fops的力學分析模型，推導彈性、彈塑性階段rops fops變形的計算公式，建立一套可行的rops fops的非線性有限元分析計算方法。
  4. Secondly, detailedly analyzing reasons inducing these problems, author finds it is that not thinking of the slope of pipeline and the friction in the process of producing water hammer pressure functions, but, thinking of the effect of the slope of pipeline in the process of producing the consequent water hammer calculative continuity function, which results in the inconsequent illogicality in the whole process of producing

    接著，對這些問題存在的原因進行了詳細分析，發現在當前推導水擊壓強公式的過程中沒有考慮管道的傾斜度和摩擦阻力的影響，而在後面水擊計算的連續性方程的推導過程中則考慮了管道的傾斜度，這就導致了在當前連續性方程的整個推導過程中前後矛盾的不合理現象。
  5. The effect of cutting speed, cutting thickness, cutting knife and materials on the working power capacity is discussed. finally tractive property of road plane milling machine is also studied. through the comparison of the results of theory calculation and experimental results the equation of working power capacity of milling machine is modified

    本文對冷式瀝青路面銑刨機的動力學工作過程進行了理論分析與試驗研究，並利用金屬材料切削的基本原理，研究了主切削力，並從能量轉化守恆的角度推導了銑刨機銑刨作業阻力和功率計算公式，討論了機器切削速度、銑刨厚度以及刀具與材料特性對銑刨作業阻力和功率的影響規律，最後討論了銑刨機牽引性能，且通過試驗研究驗證了銑刨作業阻力和功率公式。
  6. By introducing the resistance equations of sand wave by others, the total resistance can be computed

    在引入沙波阻力的有關計算公式后，即可將以上幾種阻力單元疊加計算河流總阻力。
  7. 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阻力公式；根據該公式計算出旋轉銷三維實體模型所受的力，根據該力運用可視化虛擬設計技術對模型進行受力分析，對旋轉銷的參數進行合理設計；根據牽引阻力公式計算出安全螺栓所受的力，根據該力運用虛擬設計技術對安全機構進行設計。
  8. The numerical algorithm of solving the adjoint equations for different design cases have been developed by using finite volume methodology which is usually used to solve the flow governed equation. it includes the some important aspects, such as flux formulation, wall and far - field boundary treatment methodology, dissipative term formulation, etc. after the solution of the adjoint equations is obtained, the derivatives of the cost function with respect to all the design variables can be evaluated with the same operation. this can yields a significant saving over the other gradient - based techniques when there are many design variables

    （ 3 ）進行了應用控制理論和三維歐拉方程的機翼氣動反設計研究，以及有升力約束情形下機翼跨音速減阻問題研究，分別推導了相應的共軛方程及邊界條件數學表達形式，研究與發展了三維共軛方程的有限體積數值求解方法，及相應梯度公式的數值求解方法，通過對計算網格生成、流場計算、共軛方程數值求解、梯度求解和優化演算法等多方面的有效結合，成功發展了三維機翼的氣動反設計和跨音速減阻優化設計程序，成功地進行了多個設計算例研究。
  9. ( 3 ) hydraulic resistance coefficient formulas are derived according to a great number of flume experiments and relative theory analysis

    （ 3 ）通過系列水槽試驗和相關理論分析，提出了十字片梅花加糙的有效水深和水力阻力系數計算公式。
  10. Abstract : the resistance formulas of air - flow through grain layer which are commonly used are collected in this article. the resource, relationship and usage coverage of these formulas are discussed. the values from these formulas are compared. and the factors influencing the resistance are stated. at the end of this article, the attention which should be paid concerning air - flow resistance through grain is pointed out

    文摘:本文匯集了糧層阻力的主要計算公式，指出各公式的來源、相互關系及使用范圍，對這些公式的計算值進行了比較，分析了各因素對糧層阻力的影響，指出計算糧層阻力時應注意的問題。
  11. In consideration of the soil arch effect between anti - slide piles, a calculation formula for the anti - slide pile spacing was developed, taking the following factors as the controlling conditions - the static equilibrium equation of the frictional resistance and adhesive force between the side of piles and slope soil, which sustains the thrusting force of the landside, and the strength conditions at the medial cross - section and two end sections of soil arch

    摘要考慮抗滑樁樁間土拱效應，以樁側與邊坡土體間的摩阻力及黏著力承擔滑坡推力的靜力平衡條件和土拱跨中與拱腳處截面的強度條件共同控制，建立了抗樁間距的計算公式。
  12. 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：由動力學測量系統測得活動件速度和氣室壓力；分析活動件的受力，建立動力學模型；以運動總阻力代替水平方向上的摩擦阻力和水阻力，獲得各運動階段的阻力速度關系曲線；利用氣室壓力經驗公式和阻力速度關系曲線，對水下突擊步槍進行初步的動力學分析，確定其構造型式及主要參數。
  13. This paper describes characteristics of pipe belt conveyors, analyzes the vertical force and sag resistance exerted on the idlers, and derives the related theoretical formulas

    摘要通過分析圓管帶式輸送機的特性，論述了其托輥法向力和壓陷阻力的分析方法，經過詳細的理論推導，得出了理論計算公式。
  14. 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。
  15. Looking at the lift formula, you can see thatlift and drag vary directly with the density of air

    你只要看一看升力公式就可以了解升力和阻力與空氣密度成正比。
  16. Furthermore, the test filters in the paper are of triangle arrange structure which are different from the niexueli ' s. meanwhile the experiment has enriched test types and conditions of this multi - tube hepa filter and deducted the resistance of the system elbow more correctly, so can get more reasonable resistance formulae which establishes the foundation for the further economic optimization

    本文實驗在聶雪麗研究基礎上改用結構阻力更小的叉排結構，並豐富了試驗規格和實測工況，同時更準確地扣除了系統彎頭靜壓箱的阻力，從而得出了多管式高效過濾器的實用阻力計算公式，為進一步進行經濟性優化奠定了基礎。
  17. The additional resistance caused by sediment transport of bed - load and suspended load is derived from mean energy equation of sediment - laden flow, and the variation of resistance in sediment - laden flow is discussed

    從挾沙水流的平均能量方程出發，得到了推移質附加阻力的計算公式及懸移質附加阻力計算公式，並對挾沙水流的阻力進行了討論。
  18. Abstract : the design of a reverse recoil mechanism of naval gun, i. e the groove hydraulic buffer, was discussed. the hydraulic resistance formula was derived and the method for paremeter selection was put forward. the recoil distance is about 28 % shorter than the original one

    文摘:討論了艦炮的一種反后坐裝置，即溝槽式液壓緩沖器的設計問題，通過推導液壓阻力公式，給出了縮短緩沖引程的有關參數選擇及設計方法，使后坐行程比原來一段式縮短28 %左右
  19. First1y, in this paper, the testes about tensi1e resistance of masonry components in different period are processed and re1ated suppositions and formu1as are brought forward : the formu1a about maxima1 shear stress of top side in high or tier masonry bui1dings is deduced. it can be found easi1y that the factors affect ing the maxima1 shear stress are vertica1 resi stance coefficient 1oad magnitude wa11 geometry dimensions and its modu1us of e1asticity

    首先，進行了不同齡期下的砌體試件抗壓力學性能試驗，提出了相關的假定和公式，推導出了縱橫墻荷載差影響下的多、高層砌體結構房屋頂層的最大剪應力公式，從中可以看出影響最大剪應力的因素有豎向阻力系數、荷載大小、墻體的幾何尺寸和墻體的彈性模量等。
  20. Therefore, based on the resistance formulae which is obtained at the beginning of this paper, the mathematic model which sets the economic value as the objective function can be established, and then uses optimization method to get the best structure of the filter when its first invest, maintenance together with operating costs are most economical. and the different results gaining from resistance and economic analysis are compared at the end

    因此本文最後著重在經實驗最終確立的阻力公式基礎上，以多管式高效過濾器的經濟性指標為目標函數建立數學模型，採用有約束單目標多變量的最優化方法，計算得出了該種過濾器初投資和運行維護的費用總經濟性最優時的結構參數，並與僅從阻力方面考慮所得到的結果進行了分析比較。
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