transient conduction 中文意思是什麼

transient conduction 解釋
不穩定傳導
  • transient : adj 短暫的，一時的；過渡的；匆匆而過的；易逝的；虛幻的，無常的 （opp lasting permanent）; 【物理...
  • conduction : n. （用管對流體的）引流；【物理學】傳導，導電；【生理】神經脈沖的傳導。
  1. And then the pti method is applied to the solution of transient heat conduction

    其未知量為中面節點溫度，可方便地加入到現有的熱傳導分析程序中。
  2. The direct root - finding method, as a conventional method for analyzing transient heat conduction of wall, will produce much inevitable problem such as root - missing and low efficiency. at all times, people quested for more efficient and simple method to analyze its dynamic heat conduction

    傳統的分析墻體不穩定傳熱的方法?直接求根法存在失根、效率低下等諸多問題，一直以來，人們不斷尋求更加簡單、更高效率的方法來分析其動態傳熱過程。
  3. Then after analyzing the heat conduction in laser diode array, we simply simulate the transient thermal behavior of high power laser diode array and build a two dimensional static model of temperature distribution of it by fem ( finite element method )

    接著分析激光器陣列中熱的傳導，簡單的模擬工作工程中瞬態溫度的變化。然後通過有限元分析法，建立二維溫態分佈，得到穩態工作時，大功率激光器陣列中晶元和載體的溫度的空間分佈。
  4. The formulation for the flow model is given using the finite element / control volume ( fe / cv ) technique based on darcy ' s law of creeping flow through a porous media. the heat transfer model is based on the two - dimensional, transient heat conduction equation, including heat generation. the cure kinetics model is based on kamal ' s model, and the degree of the resin cure as a function of temperature and time

    樹脂流動階段的模擬是根據牛頓流體在多孔介質中的滲流理論，應用darcy定律並使用有限元/控制體技術建立起來的；熱傳遞模型是一個二維瞬態熱傳導方程，考慮樹脂反應放熱；樹脂的固化模型利用了kamal提出的固化動力學方程，將固化度取為時間和溫度的函數。
  5. Road vehicles. electrical disturbance by conduction and coupling. part 2 : commercial vehicles with nominal 24 v supply voltage. electrical transient conduction along supply lines and board network control lines

    道路車輛.連接和耦合產生的電干擾.第2部分:額定24伏供電電壓商用車輛.通過供電線和插件板網路控制線的電瞬變感應
  6. Road vehicles. electrical disturbance by conduction and coupling. part 3 : vehicles with nominal 12 v or 24 v supply voltage. electrical transient transmission by capacitive and inductive coupling via lines other than supply lines

    道路車輛.傳導和耦合引起的電擾.第3部分:公稱電源電壓為12 v或24 v的車輛.通過電容耦合和電感耦合經由非電源線線路的瞬間電傳輸
  7. According to the physical model, a mathematical model and computational method were proposed. an axially symmetric transient thermal conduction equation was put forward, which included material pyrolysis, pyrolysis gas flow and chemical reaction in charred layer. chemical reaction was controlled by chemical dynamics, and the reaction rate was computed using arrhenious equation

    針對物理模型提出了相應的數學模型和數值計算方法，在材料內部建立了二維軸對稱的非穩態導熱控制方程，其中加入了材料熱解、熱解氣體流動以及炭化層內的化學反應等因素的影響，化學反應由化學動力學控制，通過arrhenius公式確定其反應速率。
  8. Precise time integration method for solution of nonlinear transient heat conduction

    非線性瞬態熱傳導的精細積分方法
  9. Space - time finite element method for transient heat conduction equation

    瞬態熱傳導方程的時空有限元法
  10. In the external region, heat transfer between the u - tube borehole and the ground is considered with a model of a finite line - source in a semi - infinite medium, and it is the first time to achieve an analytical solution of the temperature distribution for a such a transient two - dimensional conduction problem by means of the green - function method

    對單個鉆孔的傳熱劃分為兩個區域分別進行研究。在鉆孔周圍區域，將豎直u型管的傳熱簡化為有限長線熱源的傳熱問題，採用格林函數法首次得到了有限長線熱源溫度分佈的解析解。
  11. According to the heat conduction spreading only in the direction of local surface normal on infinitesimal control surface and laser machining reaching steady state instantaneously, a three - dimensional transient partial differential equation was translated into a one - dimensional constant differential equation

    根據在微元控制面上熱傳導只發生在表面法向，並且激光加工在暫態達到準穩態，將三維暫態偏微分方程轉化為一維常微分方程。
  12. Firstly, wall ’ s transfer matrix is deduced by laplace transformation based on 3r2c thermal network model. secondly, frequency response of transfer matrix is calculated. thirdly, we make the frequency response of transfer matrix of stimulation model equate the theoretical frequency response of wall transient heat conduction by applying appropriate identification algorithm, from which we can obtain every polynomial ’ s coefficient of model transfer function, then each parameter of resistance and capacitance is calculated by appropriate optimization algorithm

    首先，根據模擬熱流網路模型用拉普拉斯變換推出墻體的傳遞矩陣;然後，計算傳遞矩陣的頻率響應;最後，採用頻域回歸方法求出模型傳遞函數各次項的系數，進而通過一定的優化演算法確定模型的各個熱阻、熱容參數，使通過模型建立的多項式s -傳遞函數與墻體瞬時傳熱的理論超越s -傳遞函數完全等價。
  13. From this point, non - fourier effects were analyzed for the transient conduction in the condition of heating semi - infinite object

    在此基礎上，對加熱半無限大物體的快速瞬態熱傳導問題作了非fourier分析方面的理論研究。
  14. According to the analytic results of transient heat conduction in semi - finite object, the macroscopic physical behavior on heat flux and temperature variation were investigated

    根據半無限大物體的瞬態熱傳導問題的解析結果，對瞬態熱傳導過程中熱流傳遞與溫度變化的宏觀物理行為進行了研究。
  15. Combining with the energy fluxes balance above fuel surface, the simulation and calculation of transient heat conduction of the pe fuel with liquid layer while melting and pyrolyzing are considered by use of the moving coordinates. the calculated regression rate of the pe fuel approximately tallies with the same kind of hybrid rocket motor test data from the abroad

    建立了pe燃料的熔化、熱解、導熱模型，應用動坐標系，結合燃料表面熱環境，對具有液體層的pe燃料的熔化、熱解和內部瞬態導熱過程進行了模擬計算，計算的pe燃料退移速率與國外同類試驗的測量結果符合較好。
  16. The theoretical s - transfer function of ground - coupled envelope is deduced by laplace transformation. a simple polynomial s - transfer function is estimated from the theoretical frequency response of the ground - coupled envelope by frequency domain regression method, then we can calculate transient heat conduction through the ground - coupled envelope. it provides a novel idea to calculate the transient heat transfer from ground - coupled envelope more simply and efficiently

    用頻域回歸方法求出觸地結構多項式s -傳遞函數，通過實例驗證了多項式s -傳遞函數與理論傳遞函數的等價性，並計算出觸地圍護結構的反應系數、導熱z傳遞函數系數和地面瞬時熱流，這就為更簡單、高效地計算觸地結構動態傳熱提供了一種新的思路。
  17. The comparisons and validations show that the analysis for transient heat conduction of cylindrical and spherical constructions is also simple and efficient, as long as the fdr method is used

    計算實例表明，用該方法分析圓柱形、球形結構不穩定傳熱過程同樣是簡單易行的，並且計算結果準確可靠。
  18. Based on the principles of co2 laser machining polymer, heat conduction theory and energy conservation principal at the ablation front, a three dimensional transient ablation model of laser machining was built

    在co2激光加工聚合物原理基礎上，根據傳熱學原理和燒蝕面能量守恆原理，建立了激光加工三維暫態燒蝕模型。
  19. Transient heat conduction analysis of functionally gradient material plate with convective heat transfer boundary by finite element method

    對流換熱邊界下梯度功能材料板瞬態熱傳導有限元分析
  20. This paper presents a new method to calculate temperature distribution of axisymetical body when both an initial temperature distribution is available and an environmental temperature is constantly changing, which is based on traditional transient heat conduction. a mathematical model for this new method has been established and is used to calculate the temperature field of the rotor

    根據傳熱學的基本理論建立了初始溫度分佈已知，環境溫度不斷變化時，圓柱體溫度場的理論計算近似方法，作為轉子溫度場計算的理論基礎，建立了溫度計算模型，同時通過使用ansys有限元分析軟體對建立的數學模型進行了校驗，達到了比較滿意的結果。
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