量綱法 的英文怎麼說

中文拼音 [liánggāngfǎ]
量綱法 英文
dimensional method
  • 量 : 量動1. （度量） measure 2. （估量） estimate; size up
  • 綱 : Ⅰ名詞1 （提網的總繩 多用於比喻） the headrope of a fishing net 2 （比喻事物最主要的部分） key lin...
  • 法 : Ⅰ名詞1 （由國家制定或認可的行為規則的總稱） law 2 （方法; 方式） way; method; mode; means 3 （標...
  1. Checking each step of a derivation for dimensional consistency is a useful way to look for errors.

    對推導過程的每一步，都核對一下量綱是否一致，這是發現謬誤的好辦法。
  2. Then fuzzy maths is used here to get dimensionless form of the results, thus the quantitative index subjection model is build. by method of fuzzy statistic, the qualititive index subjection is model is build, too

    運用模糊數學方法，對有無對比值無量綱化，建立定量指標隸屬度模型；對定性指標分級量化，得到定性指標的隸屬度。
  3. ( 2 ) the liman problem is normally adopted to check the liability of numerical method. the calculation error was within 9 % by comparison with the theoretic solutions of liman problem in the following case, the dimensionless calculation length was 2 with high pressure zone 0. 8, and the dimensionless state parameters were p1 = 2, p2 = 1, p1 = p2 = 1, u1 = u2 = 0. experiment results in literature [ 8 ] were used to check the adaptability of the numerical model developed here for unconfined gas cloud explosions and the calculation error was within 13 %

    （ 2 ）數值方法的可靠性通常用黎曼問題的解析解檢驗，本文以無量綱計算區長度為2 ，高壓區長度為0 . 8 ，狀態參數為p _ 1 = 2 ， p _ 2 = 1 ， _ 1 = _ 2 = 1 ， u _ 1 = u _ 2 = 0條件下的黎曼問題解析解對所編制的爆炸場計算程序進行了考核，結果表明該程序的計算誤差在9以內；為考核本文計算模型預測開敞空間氣雲爆炸的適用性，以文獻[ 8 ]的實驗數據進行了校核，計算誤差在13以內。
  4. By the result of these experiments, acoustic emission ( ae ) was chosen to use in the research. at the same time, we analyse the phenomenon of acoustic emission at the base of theory, the characteristic signal of acoustic emission which comes from the faulty bearing at the angle of application, and the expression of the characteristic signal. contrast was also made on the data achieved separately from vibrational signal and ae signal, and it is proved that ae is feasible and available to the diagnosis to the fault of the rolling bearing

    主要工作有如下幾方面：對本段前期實驗室階段採用的振動法幅值域無量綱處理進行了分析，並研製了現場所使用的滾動軸承故障檢測裝置，將無量綱參數診斷法應用於段修現場，且做了大量試驗；對于現場試驗中所出現的問題進行了分析，提出將聲發射的方法用於軸承的在線故障診斷；從理論上分析了聲發射現象，從應用的角度分析故障軸承的聲發射信號的特徵以及聲發射信號特徵的表示方法，並在實驗室中，採用振動法和聲發射法實時檢測的實驗數據進行了對比和分析，證明了使用聲發射法對軸承故障檢測的可行性和有效性。
  5. According to the theory of dimension analysis, the basic thoughts and methods of dimension analysis modeling in the direction of practical engineering prblems are explored

    摘要在量綱分析理論的基礎上，結合工程實際問題研究了量綱分析建模的基本思路和方法。
  6. Abstract : this paper introduces the buckingham ' s theorem on dimension analysis and proves it by using method of linear algebra. the application of the buckingham ' s theorem is demonstrated by two examples

    文摘:介紹了量綱分析中的白金漢定理，並且線性代數的方法予以了證明，通過兩則例子說明了該定理的應用。
  7. It was shown that the dimension analysis was an effective method in simulating the complex laser bending process, and the control model that came from non - dimensional group data of simulations, was a high - accuracy model in predictive analysis

    研究結果表明，利用量綱分析法模擬復雜的激光彎曲過程是簡便有效的，基於模擬模型無因交次群組合的設計相應的參數可使控制模型達到較高的預測精度。
  8. The existed material fatigue performance test curves are dealt with and analyzed, and the non - dimensional stress - strain curve, tangent modulus factor curve and fatigue life curve are drawn based on the experiment data, and these three non - dimensional parameter curves are used to find the inherent rules that the test curves can be replaced each other to some extent. it can be concluded that if the common character and system error of these materials are found, the test curve of a certain material can be used for reference by another material. this is a simple approach about fatigue life estimate and is engineering practical

    對已有的材料力學疲勞性能試驗曲線進行分析整理，利用試驗數據繪制了相對應力應變曲線、切線模量因子曲線和疲勞壽命曲線，利用這三種無量綱參數曲線發現了其中存在的規律性，即在某種程度上實驗曲線可以互相取代，並用試驗數據對此進行了討論，並由此推斷，如果找出材料彼此的共性或彼此之間的系統誤差就可以將一種材料的試驗曲線供其它材料參考使用，這是一種估算材料的疲勞壽命的簡便方法，對工程而言具有實用性。
  9. According to non - newtonian fluid mechanics theory and mathematical method, conbined with plunger moving property, the hypothesize fluid is imcompressive, hydraulic radius of flow of liquid in crevice is very little, and it is laminar flow, the flow is treated fixed continuous flow at every instant position of plunger, equation of motion and boundary condition were set up in condition of concentric and eccentric of pump barrel and plunger

    運用非牛頓流體力學理論和數理方法，結合抽油泵柱塞運動特點，假設液體為不可壓縮的，液體在縫隙中流動的水力半徑很小，呈層流流動，柱塞在每一位置的瞬間，流動做定常流處理，建立了泵筒與柱塞同心和偏心兩種情況下運動方程和邊界條件，引入無量綱坐標、無量綱速度和柱塞與泵筒偏心配合時的縫隙高度，並給出縫隙流流速、流量的解析解。
  10. Based on the review, the fluid flow and heat transfer in the curved circular and rectangular pipes have been researched by employing perturbation method and numerical simulation with a physical model under the rotational orthogonal curvilinear coordinate in a rotating curvilinear pipe with multi - parameters. we firstly analyzed the fully developed fluid flow and heat transfer, mixed convection heat transfer, the development of flow and heat transfer in the inlet in different cross section ( circular, elliptical, annular and rectangular crossection ). the variations of the secondary flow, axial velocity, distribution of temperature, the friction force on the wall, the ratio of friction factor as well as the nusselt number with different dimensionless parameters had been examined in detailed

    本文在總結和分析了一個世紀以來有關曲線管道流動和換熱特性的研究成果的基礎上，以旋轉正交曲線坐標系統下的多參數旋轉螺旋管道中的對流傳熱為物理模型，通過攝動方法和有限體積法，首次對各種截面（圓截面、橢圓截面、環形截面、矩形截面）旋轉曲線管道內充分發展流動的流動結構和傳熱特性（包括耦合對流傳熱特性）以及旋轉曲線管道開口段發展流動的流動結構和換熱特性進行了系統的數值模擬和理論分析，詳細討論了各種無量綱參數對管道內軸向速度分佈、二次流結構、溫度分佈、壁面摩擦力、摩擦系數比以及管道nusselt數的影響，獲得了若干創新性成果。
  11. The analogical ratio between scale models with less ballast and their prototypes are provided by the dimensional analysis

    摘要採用量綱分析法，推導在配重不足條件下模型和原型的相似關系。
  12. In this paper, the method of dimensional analysis is used to analyze the interaction between ocean current, pipeline and seabed, and the similarity laws that should be followed in the small - scale laboratory experiments are established

    文章應用量綱分析方法對海流、管道與海床之間的動力耦合作用進行了分析，確定了在實驗模擬中應遵循的相似準則。
  13. The method of correcting pulse width, which is in accord with the traditional correcting pressure method, is discussed. the polynomial correcting formula and the pressure correcting formula by means of dimensional analysis and similarity theory are obtained

    探討了符合我國傳統壓力修正方法的脈寬修正方法，並建立了相應的多項式修正公式和由量綱分析及相似理論獲得的壓力修正公式。
  14. This formula used inverse regression and data fusion technical and maximum likelihood theory, then this method enabled random sample value obtained in ultrasonic and rebound method of different detection population to mix together effectively, and reach estimation of concrete strength

    該公式利用逆回歸理論、數據融合技術和最大似然原理，將回彈值和聲速值分別看作被解釋變量，將來自超聲法和回彈法不同量綱的檢測數據進行有效融合，得出混凝土強度的推定值，該推定結果具有無偏性和方差最小性質。
  15. Based on the data on scour around large diameter cylinders exposed to waves and currents, effects of every kind of sea enviromental parameters on maximum scour depth are analyzed and guided by dimensional analysis and multidimensional linear regression, an equation is given to compute maximum scour depth around large diameter cylinders in combined waves and currents. compared with some other equations, this equation is more accrete, simpler and clearer and the compute d results are in good agreement with experimental ones

    本論文主要是在總結國內外研究成果基礎上，從波浪與水流共同作用下海床上直立大直徑圓柱建築物周圍的局部沖刷機理出發，研究和探討了圓柱周圍的沖淤形態；分析各種海洋環境參數對最大沖刷深度的影響，並利用已取得的實驗資料，採用量綱分析原理和多元線性回歸分析方法，建立一個波流共同作用下海床上直立大直徑圓柱建築物周圍的最大沖刷深度計算公式。
  16. In this paper, charge calculating formulas and their relations of cutting chamber loose blasting are firstly analyzed with the theories of dimension, fluid dynamics. explosive dynamics, etc and the significance of the explosive factor in it is pointed out. calculating methods of the explosive factor are researched by law of conservation of energy, and then a new one is brought forward which proves to be rational and reliable by a sample

    本文首先採用量綱分析、流體動力學、功能平衡理論、爆炸動力學等理論，分析了路塹硐室松動爆破裝藥量計算公式及其內在聯系，並指出k值在現有藥量計算公式中的重要性；在分析現有k缺陷的基礎上，利用能量守恆原理，研究了路塹硐室松動爆破單位炸藥消耗量計算方法，並提出一種新的k值計算方法，實例驗證本方法合理、可靠，優于其它k值計算方法。
  17. In addition, the thesis has gained a little innovative achievements which are differ from other scholars, such as classifying the carrying objects of environmental carrying capacity, establishing the index system of environmental carrying capacity, unifying dimentions, modifying the initial coefficients and making use of hierarchy and vector analytical method to analyze environmental carrying capacity quantificationally

    本文在環境承載力承載對象的分類、環境承載力指標體系的構建、統一量綱的方法、初始權重的修正以及採用層次矢量分析法量化研究環境承載力等方面進行了不同於其他學者的新嘗試。
  18. In chapter 2, an accurate modified reynolds equation is derived. the modified reynolds equation is solved numerically with the finite different method, the generated axial thrust force, minimal mucus film thickness, load capacity of hydrodynamic pressure and circumferential friction under the rectangular screw are obtained. at last, using numeral methods and coordinate graphs, the influences of rectangular screw parameters on the generated axial thrust force, minimal mucus film thickness, load capacity of hydrodynamic pressure and circumferential friction are studied and analyzed

    第二章，首先推導了非牛頓流體的變形雷諾方程，化簡了雷諾方程，得出了矩形螺紋下有限差分方程；還推出了矩形螺紋作用下軸向摩擦牽引力、粘液膜厚度、粘液膜承載能力、周向摩擦阻力無量綱表達式，最後用數值計算方法求解，通過坐標圖分析了矩形螺紋參數對軸向摩擦牽引力、最小粘液膜厚度、粘液膜承載能力、周向摩擦阻力的影響。
  19. To have a further study of the new type soft subgrade reinforcing system of geocell reinforced gravel mattress and gravel pile composite foundation of its mechanism of load capacity and settlement development, three comparative model tests were designed and carried out under the direction of similarity theory and similarity criterions deduced through dimension analysis method

    摘要為深入研究土工格室碎石墊層碎石樁復合地基這一新型多元復合地基加固體系的承載力和沉降變形機理，應用量綱分析法推導了土工格室碎石墊層碎石樁復合地基模型試驗的相似準則，根據相似理論設計和完成了3組具有可比性的模型試驗，獲得大量荷載沉降、樁土應力比和應力分佈數據。
  20. How to uniform the units of all kinds of environmental impact factors is deeply discussed. furthermore, the proportion method is looked upon as a new method to solve this problem, in this paper. finally, three groups of examples are discussed, in this paper

    另外本文還對同樣存在爭議的單項環境影響因素的指標化處理問題進行深入研究，在介紹現有的處理方法的基礎上，提出新的解決方案，認為可以用比值法解決不同量綱的環境影響因素的指標化問題。
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