heat-transfer theory 中文意思是什麼
heat-transfer theory
解釋
傳熱理論-
In recent years, plentiful and substantial fruits achieved by the lb method in simulations of hydraulics, multiphase flows, flows in porous media and heat transfer as well as magnetohydrodynamics, have revealed a broad perspective of application of this method, it will become a powerful competitor to the conventional approaches. in order to absorb the recent achievement in theory and application of the lb method, explore new ways in hydraulic computation to promote the development of practice, some work is car ried out in this thesis, as following : advances in the theory research and application, deductive process of the d2q9 model and some other commonly used models of the lb method are summarized. based on the hydrodynamic and general boundary conditions, a new joint boundary condition is presented, it integrates advantage of the two conditions above and obtains very good results in dealing with all kinds of boundaries of flow fields
為了消化和吸收近年來lb方法在理論和應用方面的新成果，探索在水力計算方面的新途徑以促進lb方法實用化的發展，本文進行了下列研究工作：綜述了lb方法在理論研究和實際應用方面的新進展，以及d2q9模型的推導過程和其他一些常用的模型；在水動力邊界條件和通用邊界條件的基礎上提出了一種新的聯合邊界條件方法，它綜合了上述兩種邊界條件的優點，在流場的各種邊界處理中取得了非常好的效果，經過模塊化的處理以後這種邊界條件具有更好的實用性；針對均勻網格的lb方法計算效率較低的不足，提出了雙重網格的latticeboltzmann方法，通過二維poiseulle流動、后臺階流動和渠道方槽流動三個算例的模擬，證明這種方法能夠明顯地提高流場模擬的計算效率；此外，根據復雜區域流場的特徵提出了latticeboltzmann方法的分塊-耦合演算法，利用lb方法的計算特性實現塊與塊之間的數據交換，充分利用計算資源提高計算效率，通過對「 t 」型、 「十」型和「 x 」型分岔管道流場的模擬，展示了這種演算法的特徵和優點，以及它所具有的應用前景。 -
2. the temperature field got from macroscale theory and microscale theory are similar in the microscale theory, two demension heat transfer model is considered, and the temperature difference of the fluid between central axis and nearby the wall is considerably big. 3
2 、兩種理論模型得到的溫度分佈趨勢基本一致，但微觀尺度理論考慮到流體的二維換熱，通道中心軸線處的流體的溫度與靠近壁面處流體的溫度有較大的溫差。 -
Leo kadanoff is a theoretical physicist who has done research on chaos theory, superconductivity, phase transitions, fluid flow, the sociology of urban areas, heat transfer in missiles and elementary particle physics, during the last twenty - five years, he has devoted considerable effort to the development of teaching programs for underaduates based upon the use of small computers
本書作者將電動力學、引力理論和規范場論現代物理學中三種最基本的理論，納入一個共同的體系，內容既包括引力理論物理基礎的介紹，同時也提供了描述愛因斯坦廣義相對論所必須的數學基礎，如彎曲時空的幾何等等。 -
Accord i ng the heat transfer mechanism and the fluid resistance of the tube and corrugated fin radiator, i apply the computer to compile program to check up and design radiator, which makes the research theory can be d i rect i y app i i ed to manufacture process
並依據散熱器的傳熱機理及流動阻力特性，運用計算機編程，組建了有關散熱器校核、設計熱計算的程序軟體，使理論研究結果能直接應用於生產實際。 -
The electric heat components and heated components in resistor furnace were regarded as research object, the simplified model was provided on the basis of simplification of studied objects, the thermotechnical theoretical calculation and analysis for it were done by utilizing radiation heat transfer theory, some main factors influencing the temperature of electric heat component were obtained on condition that the hot load for the heated component be constant, thermotechnical engineering scheme by which the service life for resistor component could be prolonged, was raised
摘要以電阻爐中的電熱元件和被加熱元件為研究對象，經過簡化提出簡化模型，運用輻射換熱理論對其進行了熱工方面的理論計算和分析，在被加熱元件熱負荷一定的情況下，得出了影響電熱元件溫度的幾大要點，提出了延長電熱元件使用壽命的熱工技術方案。 -
On the basis of the constitution and work principle of general drum brake and the heat transfer theory, the friction heat, the heat convection and the radiation recuperation of drum brake are analyzed detailed, and then the mathematics model of temperature rise calculation is built
在對目前常用的鼓式制動器結構和工作原理進行分析的基礎上，結合傳熱學的理論知識，詳細研究了鼓式制動器的摩擦生熱過程、輻射換熱過程和對流換熱過程，建立了其溫升計算的數學模型。 -
Standard test method for calculation of stagnation enthalpy from heat transfer theory and experimental measurements of stagnation - point heat transfer and pressure
通過臨界點傳熱與壓力的熱傳遞理論和實驗測量來計算臨界熱函的標準試驗方法 -
The following definition to thermal properties and introduction to the theory of heat transfer are not intended to give an exhaustive treatise of these subjects.
下面引入的某些熱性質定義和傳熱理論的初步概念都不準備作無止境的論述。 -
Puts forward an improved method based on the theory in which the enthalpy difference is considered as the driving force in heat transfer under wet cooling conditions and thinks that the method can halve the testing work, require less for the experiment devices and reach higher accuracy
認為該方法遵循了焓差是濕工況下換熱推動力的規律，試驗工作量減少一半以上，對試驗裝置的要求降低，由試驗數據整理出的公式用於表冷器熱力計算完全可以滿足空調常用范圍內的要求。 -
With the engineering thermophysics subject as a main theory basis, the boiler, the steam turbine, the internal combustion engine and the other new, being developed power machinery and system as the research object, the application of engineering thermodynamics ， heat transfer, computer system control theory, environmental science, microelectronics technology, energy - saving technology and other knowledge ， study the process and the basic law of fuels chemical energy and liquid kinetic energy to converse to the power securely and efficiently and low ( or no ) impurely ; study the energy conversion process systems and technology of equipment automatic control ; study the producing mechanism and emission control technology of combustion pollutants ; study energy - saving technologies and the development of new energy technologies
熱能工程是以工程熱物理學科為主要理論基礎，以鍋爐、汽輪機、內燃機和正在發展中的其它新型動力機械及系統為研究對象，運用工程熱力學、傳熱學、計算機自動控制理論、環境科學、微電子技術、節能技術等學科的知識，研究燃料的化學能和液體的動能安全、高效、低（或無）污染地轉換成動力的基本規律和過程；研究能量轉換過程中的系統和設備的自動控制技術；研究燃燒污染物生成機理與排放控制技術；研究節能技術與新能源的開發技術。 -
The theory of interface of two - phase fluid id used to analyze the role of the interfacial heat transfer resistance in cond ensation process, it shows that the interfacial heat transfer resistance can not be ignored under such a vacuum condition, and the effect on heat transfer process becomes declined with the increasing of vapor pressure
應用兩相界面理論分析了汽液界面熱阻在水平管內低壓蒸汽冷凝過程中所起的作用，發現實驗范圍內汽液界面熱阻不可忽略，且其對冷凝傳熱過程的影響隨蒸汽壓力的增大而減弱。 -
It presents a mathematical heat transfer model of air and soil temperature in greenhouse basing on the theory of transmission of heat. the model calculates the heat diffuse coefficient of soil by difference method and establishes regression equation on experimental data by sas
基於傳熱學的熱傳導方程，利用測試的地溫數據，選用差分法計算了土壤熱擴散率，應用sas軟體擬合了非線性方程，建立了日光溫室土壤溫度場的數學模型。 -
Firstly, a finite element approach combining the temperature parametric method with real fictitious elements scheme was proposed for simulating the winding tension process ; secondly, in accordance with the cure kinetic and heat transfer theory, a corresponding finite element method was employed to calculate the distributions of temperature, cure degree and thermal stress fields during the cure process
根據固化反應動力學理論和熱傳導理論，對具有金屬內襯的復合材料纖維纏繞壓力容器在固化工藝過程中瞬態溫度、固化度和熱應力場分佈及其變化規律進行了數值分析。 -
At the beginning of this article, we give the analysis about the principle of external condensation. we find out that the most important factor in the condensation is the temperature of the air in the system. and we point out the factors which can make influence in the external condensation, such as the temperature and the humidity of the environment, the temperature and the pressure of the supplying air, the load of the system, the area of passage of speed control valve, and so on. next, we give the mathematics model of the pneumatic system using the knowledge of aerodynamics and heat transfer theory. and using the finite difference method and the numerical analysis we can get the solutions of the model. we use c program to simulate the model
本文首先對氣動系統外部結露的原理進行了分析，指出了氣動系統內部氣體溫度下降是氣動系統外部結露根本原因，提出了影響氣動外部結露的主要因素，包括環境溫度、環境濕度、供氣壓力、供氣溫度、氣缸負載和調速閥開度等。然後應用氣體動力學、氣體熱力學和傳熱學對氣動系統建立數學模型，用逆步進有限差分法和數值分析演算法對所建模型進行求解，利用c語言編製程序對氣動系統模型進行模擬，給出了氣管及氣缸內氣體的各個時刻的狀態參數。 -
According to heat load source of die cavity, temperature distribution gradient equations and heat flux equations and the peak value equations of temperature load at die cavity surface have been obtained with research of temperature distribution and transfer laws of die surface by unsteady heat transfer theory
摘要根據鍛模型腔熱負荷來源，通過非穩態傳熱理論，分析研究了模具工作表面層的溫度分佈與傳遞規律，給出了型腔表面溫度分佈梯度和熱流密度公式，並給出了鍛模型腔表面的溫度負荷峰值的計算公式。 -
A dynamic modeling is established in this paper for the temperature probes based on its heat transfer theory, and the modeling equations are solved by an numerical calculation method, moreover, the accurate result is analyzed
摘要根據滯止式溫度傳感器的換熱原理建立了動態理論傳熱模型，採用數值計算方法對模型方程進行了求解，並對計算結果進行了分析。 -
On the basis of heat transfer theory, this paper analyzes heat transfer process in film boiling stage when axial workpiece is quenched vertically and distribution of steam film thickness as well as corresponding variation of heat - transfer coefficient
摘要以傳熱學理論為基礎，對軸類工件豎直淬火時膜沸騰階段的傳熱情況進行分析，分析了工件表面蒸汽膜厚度的分佈情況和傳熱系數的相應變化。 -
Based on coupled heat transfer theory and finite element method ( fem ), outer boundary conditions between parts were transformed into inner boundary conditions of the component
基於耦合傳熱理論和有限元方法，將零件間的外邊界條件轉變為零件的內邊界條件，直接對零件進行耦合模擬計算。 -
Based on the primary physics, fluid and heat transfer theory, taken trnsys as the simulation platform, this paper presents the dynamic model of centrifugal chiller, the parameters identification and the model validation
摘要從基本的物理、流動和傳熱理論出發，採用動態方法，以trnsys為模擬平臺，建立了離心式冷水機組的數學模型，就參數辨識進行討論，並對有關模型進行實驗驗證。 -
The experiment plans and regulations are proposed. the research on date handling method of the experiment is done. the factors causing temperature rising and the distribution of steady - state temperature field of swing movable teeth reducer are analyzed with the heat transfer theory
選用合適的儀器和實驗方案，設計了擺動活齒減速器傳動效率實驗臺，制定了擺動活齒減速器傳動效率實驗的實驗規程，並對實驗數據的處理方法做出了研究。
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