fourier law 中文意思是什麼
fourier law
解釋
傅里葉定律-
For anisotropic materials fourier's law must be formulated in a more generalized form.
對于各向異性的物質來說，傅里葉定律必須改寫成具有更普遍意義的形式。 -
After the comparison of the merits and faults between fourier spectrum analysis method and wavelet - neural network analysis method, the latter is selected. after the research on the principle of accuracy - loss diagnosis of the dynamic measurement, the diagnosis theory and method are advanced. according to the error model established of the dynamic system and the results of the error tracing, using bp neural network, the accuracy - loss law of each inner unit is acknowledged
對于實際進行誤差分解與溯源的信號處理方法，在比較了譜分析方法與小波神經網路分析方法的優缺點之後，指出譜分析方法的分解結果不夠理想，並最終確定用小波神經網路來進行實際測量系統的誤差分解與溯源。 -
According to the serial - parallel, fourier law and equivalent thermal conductivity principles, the theoretical model of heat transfer for thermal conducting plastics and the theoretical formula of the predicted thermal conductivity could be built up by analyzing a thermal conducting element
摘要運用等效熱導率法則，對填充型導熱塑料中的一個導熱單元進行分析，根據熱量傳遞的串並聯原理及傅立葉定律，建立導熱塑料中熱量傳遞的理論模型，推導出預測其熱導率的理論公式。 -
By considering the influence of heat relaxation time and heat relaxation length, fourier law was modified to fit the drastically changing of temperature in micro time and space scale, especially the time and space microscale effects were introducer simultaneity. and relevant conduction differential equations were established through combing the energy conversation law
考慮到熱鬆弛時間和熱鬆弛長度的影響，對在微小時間和空間尺度內溫度劇烈變化的熱傳導問題給出了同時考慮時間和空間微尺度效應的修正的fourier定律，結合能量守恆定律建立了相應的熱傳導微分方程。 -
Some detailed analyses were done especially for the difference of the theoretical description and practical situation. also, some cases such as the hypothesis that heat is transmitted in infinite rate of the classical fourier ' s law, the law " s foundation which is not fit for the transient heat - transfer in microscale condition were analyzed
針對理論解析結果與實際熱傳遞行為存在的差異作了詳細的分析，對經典的fourier定律所隱含的無限大熱量傳播速度、成立的基礎及在微小尺度瞬態熱傳導過程中應用所存在的不足等情況進行了分析。 -
When the case of heated hastily or extremely low temperature appears, the classical fourier law of heat conduction has limitations
當快速加熱或溫度極低時，經典的傅里葉導熱定律具有局限性。 -
In this thesis, based on related previous references, using the non - fourier law of heat conduction, applying the image method, expand method of wave function, multiple scattering of thermal waves in materials with subsurface defects are investigated. our research works are concretely as following
本文在分析了國內外相關文獻的基礎上，基於非傅里葉熱傳導波動方程，採用鏡像方法和波函數展開法，研究了固體介質中亞表面圓柱缺陷和球形缺陷對熱波的多重散射問題。 -
Discussion on the transient of non - fourier heat conduction law and laser heat treatment
強瞬態非傅立葉導熱效應判據與激光沖擊硬化應用的探討 -
We consider a neutral particle with magnetic moment antiparallel to the field. with the interaction potential energy between the magnetic moment of the particle and the magnetic field, we obtain the classical motion equation of the neutral particles in the loffe trap. in some limit conditions, by using the perturbative method, the equations may take on concise forms. of which the two equations about x and y are mathieu equations. if we properly set the parameters and have the condition a > > q > 0, we can solve the mathieu equation with the traditional wkbj method. as a new attemptation, with fourier series expansion we solve the mathieu equation and obtain the classical motion law of the neutral particles
若阱的參數設置使得條件> > q 0成立時，我們可以利用傳統的wkbj方法近似求解馬丟方程。作為一種新的嘗試，本文還採用傅立葉級數展開的辦法來對馬丟方程進行求解，從而得到中性粒子在阱中的經典運動規律。在研究ioffe阱對中性粒子的囚禁問題時，實際上我們更感興趣的是馬丟方程的周期解，而要想獲得這種周期解，和q必須滿足一定的關系，亦即必須選擇阱的特定的參數和粒子的特定初始條件，對這一問題我們進行了嘗試性的研究。 -
4. with the consideration of practical soil - pile interaction, the soil around pile is modeled as a three - dimensional viscous - elastic continuous medium and the time effect of the settlement of single pile is studied. the semi - analytical solutions for vertical displacement of soil and for the relationship between settlement of pile head and time were obtained by laplace transform method and fourier inverse method, and the law of the settlement of pile head varying with time was then analyzed and discussed
考慮樁土藕合作用的單樁沉降時間效應研究從研究空間軸對稱問題的角度出發，將樁周土體建模為三維粘彈性連續介質，更為合理地考慮了靜荷載下樁土系統中單樁與樁周土的藕合作用，分別建立了樁周土體和樁體的靜力平衡方程，並通過拉普拉斯變換、傅立葉逆變換等數學手段，獲得了單樁樁周土體的垂直變形和樁頂沉降在拉普拉斯變換域內的解析解和在時間域內的半解析解，進而分析討論了單樁沉降隨時間變化的規律。
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