熱傳導流 的英文怎麼說
中文拼音 [rèzhuàndǎoliú]
熱傳導流
英文
heat-conducting flow-
In this paper, a crank - nicolson mixed element method, a nonlinear galerkin mixed element method for the non stationary conduction - convection problems time second order accuracy fully discrete formats and a two - level mixed element method with backtracing for the stationary conduction - convection problems are presented and analyed, respectively, an error analysis are provided for the crank - nicolson method of time discretization applied to spatially discrete galerkin mixed element approximations of the nonstationary conduction - convection problems
本文分別給出了非定常的熱傳導-對流問題的crank - nicolson混合元法時間二階精度全離散格式,非線性galerkin混合元法時間二階精度全離散格式以及定常的熱傳導-對流問題回溯二重水平法。討論了時間上的crank - nicolson離散方法應用於非定常的熱傳導-對流問題的空間離散的galerkin混合元近似。In this article, physical equations and relative three - dimensional finite - difference formulae in cylindrical and spherical geometries were derived and two - and three - dimensional code in cylindrical and spherical geometries for direct - drive by laser was made, based on the lared - s code in planar geometry. it consisted of the processes such as the inverse bremsstrahlung absorption, electic heat conduction and fluid dynamics
本論文在lared - s程序平面版本基礎上,推導了三維柱和球幾何中激光驅動的物理方程和相應的差分方程,編制了二維和三維柱和球幾何中激光驅動流體不穩定性的lared - s程序版本,主要物理過程包括:激光逆軔致吸收、電子熱傳導和流體運動。Standard test method for determination of the thermal conductivity of anode carbons by the guarded heat flow meter technique
用防護熱流量計技術測定陽極碳熱傳導率的標準試驗方法The process parameters of electric upsetting include : velocities of upsetting cylinder and anvil cylinder, heating current, preheating length and time, etc. because different materials have different mechanical, electric and thermal characteristics, and there are effects between different parameters, the determination of those parameters becomes a complex problem
電熱鐓粗成形過程的工藝參數主要包括鐓粗缸活塞運動速度、砧子缸活塞運動速度、鐓粗壓力、加熱電流和預熱長度等。這些參數的選擇是一個復雜的問題,其復雜性不僅在於不同的材料具有不同的力學、電和熱傳導特性,而且各參數相互影響、相互制約。Such as : the balance of elastic membrane, the heat conduction of stationary state, the incompressible potential flow, the problem of electrostatic field and magnetostatics field
例如:彈性膜的平衡問題,穩定狀態的熱傳導問題,不可壓縮勢流問題,靜電場問題以及靜磁場問題。The modified model took into account not only the coupled heat transfer of conduction, convection and radiation, but also the heat convection between each zone caused by temperature difference and airflow
該模型綜合了墻體熱傳導、壁面對流熱交換以及內部控制體之間的對流熱交換過程。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。Based on the theories of fluid mechanics and heat transfer, a new way of semi - sealing tube combined with a structure of heat disturbing, distributing, and isolating is created
根據流體力學和熱傳導理論,設計了解決這一問題的半封閉式爐管結構氧化方法和相關的勻流隔熱散熱裝置。Thaw settlement cause negative friction. this paper base on the thought of " initiative cooling ", aim at three problems existing in common concrete pile used in frozen soil, a new type of pile is proposed to overcome the disadvantages of the classical pile used in frozen soil. pile body within active layer is fluted and refilled with porous materials such as gravels and ballasts, convection will be occur and then thermal exchange inside porous material in winter while only heat conduction exists in summer, as a result the soil around flutings will be cooled, so the top line of permafrost will be drive up
本文基於「主動冷卻」地基的思想,以及針對凍土地區普通混凝土樁存在的三大問題,提出了一種新型樁的設計思路,運用數值模擬試驗手段對其冷卻機理與加固機理進行了系統研究,即在凍融活動層的深度范圍內,在混凝土樁身的表面刻槽,修築完時槽內填充碎石、塊石等多孔介質,通過外界大氣溫度的自然波動下多孔介質在冬季時存在的對流換熱機制,而在夏季只存在熱傳導,來達到主動冷卻樁周凍土和抬升凍土上限的目的。Based on the relocating mesh model, according to heat conduction theory, elastic creep theory and finite element theory, simulation program for roller compacted concrete overflow dam is worked out through 3 - d finite element method
基於本文提出的計算模型,根據熱傳導理論、彈性徐變理論及有限元理論,作者編制了碾壓混凝土溢流壩溫度場及溫度應力場的三維有限元模擬計算程序。Thermal conductivity is important thermal parameter, symbols the ability of heat exchanging
導熱系數是液體的重要熱物性參數,其表徵流體的熱傳導能力。As well - known, there is an induced current on the surface when metal material is in the high frequency electromagnetic field, since tending to skin heating effect to make the temperature of metal material surface go up promptly, surface beginning melt when temperature reaches the melting point of metal, metal material is heated up continuously by surface to core till the metal droplet of melting
自懸浮定向流技術制備金屬納米微粒與一般的蒸發冷凝法有所不同,其原理是:金屬材料在高頻電磁場中產生表面感生電流,由於趨膚加熱效應使得金屬材料表面的溫度迅速升高,當溫度達到金屬的熔點時表面開始熔化,通過熱傳導作用金屬材料由表面到芯部不斷加熱直至熔化成金屬液滴。The bottom of the reservoir shall be designed to provide adequate retention time of the heat transfer fluid to ensure positive heat transfer
流體貯存器必須為熱傳導流體提供適當的停留時間,以保證能夠進行充分的熱交換。Motor heat dissipation shall be accomplished by circulating a heat transfer fluid from an integral reservoir through channels that are internally cast into the motor stator housing
電機散熱應該通過熱傳導流體的循環流動來完成,這些流體從一體式貯存器流經內鑄管道,進入電機定子外殼。First this paper introduces the development of microscale heat transfer from theory, experiment and computer simulation. then it analyses the heat transfer mechanism during short - pulse heating of metals and the microscale heat conduction in dielectric thin films. last it expatiates on the principle of ac calorimetric method and its experimental techniques
本論文首先從微尺度理論、實驗技術和計算機模擬三方面介紹了微尺度傳熱學研究現狀,接著分析了超短激光脈沖加熱金屬薄膜過程中的熱傳導和介質薄膜中的熱傳導機制,闡述了超短激光脈沖交流量熱法的原理和實驗技術。The fractal model of the effective thermal conductivity in granular flow with non - uniform particles
混合顆粒流分形模型及相關有效熱傳導的分析When insulating glass is incline installation, because of the molecule ' s upright moving route is shorten, the heat convection & conduction is increase in vertical direction
當中空玻璃傾斜時,由於上下方向的分子運動路徑縮短,垂直於玻璃方向的對流熱傳導增加。In chapter 2, a new irreversible cycle model is presented for an absorption refrigerator, in which not only the irreversibilities of heat conduction and heat leakage but also the irreversibilities resulting from the friction, eddy and other irreversible effects inside the working fluid are taken into account
第二章建立了不可逆吸收式製冷循環新模型,模型不僅考慮了熱傳導和熱漏不可逆性,而且也考慮了循環工質內部由於摩擦,渦流及其它不可逆效應所引起的內不可逆性。The heat transfer fluid shall be environmentally safe and shall not require hazardous material disposal
熱傳導流體必須是符合環保要求的,不會產生有害物質。Remarks on a real viscous heat - conducting flow with shear viscosity
關於一個具切邊粘性實際粘性熱傳導流體的注記分享友人