heat equation 中文意思是什麼

heat equation 解釋
熱傳導方程式
  • heat : n 1 熱;熱力;熱度;熱量。2 體溫;發燒。3 (氣候的)高溫,暑氣。4 【冶金】熔煉的爐次;裝爐量;一...
  • equation : n. 1. 平衡,均衡;平均,相等。2. 【數學】方程式,等式。3. 【天文學】(時)差;均分,等分。4. 【化學】反應式。
  1. Then the finite element equations are derived with the effective heat capacity method. common time - stepping method and precise time integration ( pti ) method are used to solve the equation

    然後基於等效熱容法推導了伴有相變過程的傳熱控制方程的有限元列式,並且分別研究了用常規的時間差分法和精細積分法求解上述有限元方程。
  2. The calculation method using in factory has larger error and is n ' t used in high ignition point oil transformer. in this paper a calculation method, which has been verified by experiment results, is presented based on the fundamental theories and rule equation of heat transfer to calculate the temperature rise of average oil, top oil, coil, core and hot - point. a program has been compiled

    本課題立足於工程實際應用,根據傳熱學基本原理和經典試驗換熱準則式,通過對變壓器發熱冷卻原理進行分析和研究,提出了一套計算變壓器平均油溫升、頂油溫升、繞組溫升、鐵芯溫升和最熱點溫升的計算方法並編制了計算軟體,對影響變壓器溫升的因素進行了分析。
  3. The adsorption isotherm of neptunium on silica gel correspond to the form of langmuir isotherm. according to clausius - claperon equation, from the slope in inkd vs 1 / t plot, adsorption heat could be estimated. from the data of adsorption heat it is concluded that the adsorption of neptunium on silica gel in nitric acid solutions belongs to chemical adsorption and the adsorption process is an endothermic reaction

    三種價態的鎿在硅膠上吸附的等溫線符合蘭格繆爾吸附等溫線的形式,是單分子層吸附;根據克勞修斯-克拉柏龍方程,以1nkd對1 t作圖,通過直線斜率計算出吸附熱,從吸附熱的數據可判斷三種價態的鎿在硅膠上的吸附屬于化學吸附,是吸熱的過程;對npov ) 、 np ( v )和np ( vd在硅膠上的吸附進行了比較,提出了三種價態的鋒在硅膠上吸附的機理。
  4. Regressed the experimental date with linear use minimal dual multiply method. got the empirical equation of heat transfer and flow resistance in laminar, transitive and turbulent zone

    Reb隨肋高h 、肋軸向間距pt的增大而減小,隨肋寬的增大而增大。
  5. Based on kohler ' s ternary solution model and miedema ' s model for calculating the heat of formation of binary solution, the integral equation has been established for calculating activity coefficients in ternary alloys and intermetallics

    根據korler和miedema模型,推導了三元合金各組元活度系數的對稱計算公式,確定了經驗常數a的值。
  6. Adopted numerical value integral method into the explain of the basic heat - conduct differential equation based the stabilization flow. get temperature changes rule of the cold - blowing and hot - blowing period of the cold - cumulating and dry - able tin

    採用數值積分法對基於穩定流的基本傳熱微分方程組進行求解,進一步了解了影響蓄冷器效率的主要因素。
  7. Boundary element solution to a class of periodical heat conduction equation

    一類周期性熱傳導方程的邊界元數值解法
  8. In chapter 5, we extent the results of the finite difference domain decomposition algorithm of paper [ 13 ] for two dimensional heat equation and give some numerical results

    在第五章,我們在二維熱傳導方程求解上擴充了dawson等人的區域分解演算法。給出了關于演算法計算精度的數值結果。
  9. Elementary solution to heat equation and density function of normal distribution

    熱傳導方程的基本解與正態分佈密度函數
  10. The paper begins with the reclaiming and using of the remaining heat during the process of yielding the oil and in the electricity plant to study the application of heat pump ' s technology in the oil field and electricity plant. this paper introduces the development and classification of the heat pump, the elementary principle, evaluable target and the p - h chart of the mechanism compressive heat pump ; it points out the necessity to design the computer program of refrigeration medium ' s thermal character, offers the elementary equation, calculating formula, calculating method and the program frame to calculate the refrigeration medium ' s thermal character

    本文介紹了熱泵的發展、分類,機械壓縮式熱泵的基本原理、評價指標及常用的p - h圖;指出了設計製冷劑的熱力性質計算機程序的必要性,給出計算製冷劑熱力性質的基本方程、計算公式、計算方法及程序框圖,編制了9種常用製冷劑性能參數計算程序,可直接用於熱泵系統cop及per值的計算。
  11. Coal - water slurry is a new type of clean fuel as a replacement for oil. this paper introduces the tests of maoming no. 2 oil - fired 220 t / h utility boiler being retrofitted to fire coal - water slurry, including slagging tendency, heat transfer performances and pollutant emissions. firstly the k - ? two - equation turbulence model is used in numerical simulation for the side - air burner, compared with the practical measures and tests, good accordance achives

    水煤漿是一種低污染、高效率、流動性強的代油新型清潔燃料,本文針對廣東省茂名熱電廠2 #油爐改燒水煤漿示範工程,對鍋爐改造后的結渣特性、爐內傳熱特性和污染物的排放特性進行了試驗研究。
  12. 2. nonlinear source term identification problem about a quasilinear parabolic heat equation is investigated. for the given function determined, the existence and the uniqueness of the solution of the state equation are proved and the dependence of the solution of the state equation on the identification parameter is discussed ; then the identifiability is verified ; through choosing suitable basic functions, the above identification problem can be transformed into a constant coefficients identification problem ; and an practical iterative algorithm for solving the identification problem is presented, the feasibility and validity of the algorithm is verified by the numerical experiments

    2 、研究一擬線性拋物型熱傳導方程非線性未知源項的識別問題;對于給定識別函數,論證了狀態方程解的存在惟一性、方程解與識別函數的依賴關系和可識別性;通過選取適當的基函數,把對非線性源項的識別轉化成常系數識別問題;給出了實現非線性源項識別的迭代演算法,通過數值實驗證明了演算法的有效性。
  13. Asymptotic behavior of the solution about heat coefficient of one - dimensional heat equation

    一維熱傳導方程的解關于熱交換系數的漸近行為
  14. The seasonal variation of the mean meridional circulation and the double - level structure of the hadley circulation are analyzed by the two methods. the paper also studies the zonal difference of the anomalous meridional circulation and the impacts of el nino / la nina events on the local meridional circulation anomaly. conclusions are drawn as follows : 1, the hadley circulations in both hemisphere and the position of their joint uprising branch move wholly with the heat equation, with most north in july and most south in january

    然後用簡化方法分析了氣候平均經圈環流的季節變化,論文還對hadley環流的雙層結構和異常經圈環流的緯向差異以及elnino 、 lanina事件對局地經圈環流異常的影響作了研究,結果表明: 1 ,北、南半球hadley環流圈及其共同上升支的位置隨熱赤道作整體性移動, 7月最北, 1月最南。
  15. A regularization method for determining the source term in a heat equation

    決定熱傳導方程源項的一個正則化策略
  16. Nonclassical potential symmetries and invariant solutions of heat equation

    熱方程的非古典勢對稱群與不變解
  17. Relating fourier hyperfunctions and extended fourier hyperfunction to hermite heat equation

    傅立葉超函數和擴充傅立葉超函數與愛米特熱方程
  18. Two order parallel domain decomposition finite difference algorithm for heat equation

    熱傳導方程二階并行區域分解差分演算法
  19. Finally, we study the ( 2 + l ) - dimension nonlinear dispersive long wave equation skillfully, we find the self - transformation between the two equations and turn the ( 2 + l ) - dimension nonlinear dispersive long wave equation into a simple ( 2 + l ) - dimension pde. then, with the homogeneous balance method we obtain the hopf - cole transformation between the ( 2 + l ) - dimension pde and the heat equation. through it, we obtain abundant exact solutions of the ( 2 + l ) - dimension nonlinear dispersive long wave equation with the matlab, including the multi - solitary wave solutions

    ) : = 0 . ( 2 )巧妙的發現了( 1 )與( 2 )之間的自變換,將這個方程組轉化為一個簡單的偏微分方程,並利用齊次平衡法得到了此方程與熱傳導方程之間二維形式的物pf - cofe變換,從而藉助m胡ab的符號運算得到了2 + l維非線性色散長波方程包括多孤子解在內的多種新精確解。
  20. In chapter 4, we present some new techniques in designing finite difference domain decomposition algorithm for the heat equation. the basic procedure is to define the finite difference schemes at the interface grid points with smaller time step by explicit schemes, and the prior error estimates for the numerical solutions are obtained

    在第四章,我們發展了一些新技術,在子區域的邊界處採用小時間步長古典顯式格式求解,構造了新的區域分解演算法,得到了差分解的先驗誤差估計。
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