氣體熱力學 的英文怎麼說
中文拼音 [qìtǐrèlìxué]
氣體熱力學
英文
aerothermodynamic-
( 2 ) the emission spectra of laser ablation metal copper plasma were measured. the detailed mechanism of plume emission of cu plasma was qualitatively explained using a simple model based on excitation of atom and ion in plume arising from inelastic collision between the elemental species and electron with high kinetic energy. under the local thermal equilibrium model, the electronic temperature of copper plasma was deduced to be in the 104 scale by its emission lines
( 2 ) cu等離子體光譜:在420 570nm波長范圍內觀測了激光燒蝕cu等離子體的光譜和各發射譜線在等離子體中的空間分佈;比較了激光能量對cu等離子體發射光譜、電子溫度的影響;用局部熱力學平衡( lte )近似,測得cu等離子體的電子溫度為104k數量級;在不同背景氣壓下,觀測了激光燒蝕cu等離子體光譜的空間分佈。We consider the macroscopic thermal properties of the gas throughout the interstellas region ionized by an exciting star or group of stars.
我們將考察被一顆或一群激發星電離的星際區域中各種氣體的宏觀熱力學性質。There is another law of perfect gases, one relating to their energy - content, which has been of great importance in the development of the science of thermodynamic
與完全氣體有關的,還有另一條定律。這條定律在熱力學的發展中極為重要。Tem images revealed that the phase morphology of pls composites were influenced by the interaction among the matrix, the compatibilizer and organo - mmt. hence, a novel mesophase " " silicate sheet cluster " was also found in ldpe / eaa / mmt nanocomposite. the mechanical, barrier and thermal properties results of ldpe / mmt composites indicated that,
對ldpe mmt納米復合材料的力學性能、透氣性能以及熱力學性能的研究結果表明,插層型或剝離型pls納米復合材料的力學性能取決于基體、相容劑在硅酸鹽片層表面的相容性。Gas thermal insulation coefficient under different transient flow in pressure pipeline system has been studied through physical experiments and theoretical analysis on thermodynamics
本論文通過物理試驗與熱力學理論分析對不同瞬變過程中有壓輸水管道內氣體的多方指數n的變化規律進行了研究。Conservation law of mass, the state equation for ideal gas 、 thermodynamic equation and flow rate equation are used to establish first order differential mathematic model, and a special investigation on mass flow rate coefficient for different components are carried out to make the model more accuarate
從模擬和實驗兩個方面進行研究,著重於把ameset和客戶化定製兩種方法結合起來使用,利用質量守恆定律、理想氣體狀態方程、熱力學方程、流量方程等建立一階微分數學模型,並配以amesim平臺對所建立的模型進行進一步的系統模擬驗證。This paper analyzes the percolation mechanism and characteristics of gas under low - velocity percolation state in terms of slippage effect and threshold pressure effect by using molecular dynamics, thermodynamics and percolation mechanics in order to understand the practical reason of low - velocity non - darcy percolation
摘要為明確氣體在低速滲流狀態下的滲流規律以及產生低速非達西滲流的實質性原因,運用分子動力學、熱力學和滲流力學等相關知識,基於滑脫效應和閾壓效應兩方面分析了氣體在低速滲流狀態下的滲流機理及滲流特徵。In this paper, based on my experiments, the mechanism of pneumatic defrosting of air cooler was studied through the application of thermodynamics, heat and mass transfer, classical theory of nucleation, boundary - layer theory, the theory on gas dynamics
本文在對氣動除霜進行了實驗研究的基礎之上,應用工程熱力學、傳熱傳質學、晶體成核理論、邊界層理論、氣體動力學等有關知識,從系統的觀點出發,探討了氣動除霜的機理。The precise measurement of thermodynamic temperatures, for example with a gas thermometer, is very difficult. practical temperature scales were therefore introduced to make use of instruments such as platinum resistance thermometers which are much easier to use and give much higher precision measurements
要準確測量熱力學溫度(如使用氣體溫度計來進行測量)是十分困難的,因此利用鉑電阻溫度計等作測量器的實用溫標便被採用,令使用更為容易及測量更為精確。Studying the heat - mass transfer and multi - spices electric - chemical reaction, a dynamic temperature model was deduced for molten - carbonate fuel cell stack. the thermal radiation, shift reaction, and the change of gas spices were considered in this model. establishing momentum equation, the paper has developed a 3d temperature and flow fields model for mcfc stack based on cfd technique
建立了熔融碳酸鹽燃料電池堆內部單體的暫態溫度模型,並考慮了電堆的輻射換熱、轉換反應、反應氣體組分變化對溫度場的影響;根據mcfc的微分控制方程組,考慮氣體組分的熱力學性質及動量變化的影響,利用數值分析方法求解熔融碳酸鹽燃料電池堆的三維流場與溫度場,分析了各作用因素對熔融碳酸鹽燃料電池堆溫度分佈的影響機制。A general solution of the thermodynamic energy of systems of gas, magnetic dielectric, dielectric, and of battery was found by working from thermodynamics first law ' s different forms in different matter systems, by using equation of state and thermal capacity in different thermodynamics system and by solving thermodynamic energy differential equation, thus provide a method of studying other qualities in thermodynamics system
摘要通過熱力學第一定律在不同物質系統中的不同形式,利用不同熱力學系統相應的物態方程及熱容量,以及通過求解熱力學能微分方程,一般性地求解了氣體系統、磁介質系統、電介質系統、電池系統的熱力學能,為研究其他熱力學系統的特性提供了一種方法。Taking ningxia - inner mongolia reach of yellow river as a study case, a ice regime forecast data warehouse is established for the datamining concerned on the basis of the analysis on the ice regime changing law and its influencing factor of the reach, and then the conceptual mathematic model and artificial neural network model for the parameter calibration of ice regime forecast are built up with gis in combination of the relevant empirical forecast models based on the principles of the hydrological flow muting, thermodynamics and ice hydraulics etc., with which the design and development of the decision support system for the ice regime forecast with the integrated functions of information inquiry, model parameter calibration, temperature forecast and ice regime forecast are preliminarily discussed
摘要以黃河寧蒙河段為例,在對河段歷史冰情變化規律及其影響因素分析的基礎上,建立冰情預報數據庫,進行數據挖掘,並以地理信息系統( gis )為平臺,以水文學流量演算、熱力學、冰水力學等原理為基礎,結合相關經驗預報模型,建立用實測資料進行參數率定的冰情預報概念性數學模型和人工神經網路模型,初步探討了集信息查詢、模型參數率定、氣溫預報、冰情預報等功能為一體的冰情預報決策支持系統的設計與開發。Some novel results are obtained, which will not only provide some theoretical bases for the optimal design and performance improvement of real thermodynamic cyclic equipments such as ferroelectric refrigerators, magnetic refrigerators and gas heat engines but also promote the development of new fields such as gas refrigerators for ultra - low temperature applications, molecule refrigerators and laser refrigeration technologies
這些結論將對鐵電製冷機、磁製冷機、氣體熱機等實際的熱力學循環裝置的優化設計或性能改善提供理論指導,對極低溫下的氣體製冷機、分子製冷機和激光製冷技術等新領域也將所啟發和促進。In this paper, we aim at establish heat and mass coupled transfer model in the building wall, the emphasis of this study lies in creating a coupled and non - linear diferential equation system for the heat air and moisture transfer in the wall, which can be described by means of continuum mechanics and irreversible thermodynamics, the most dominant factor is moisture conten 9la gas pressure pc and temperature t, for the description of heatair and moisture transport, the general mass balance equation can be expressed by the temporal change of moisture conten 9 l, gas pressure pc and temperature t that means, in order to create a closed solvable equation system, the other additional dependencies have to be found, which the other variable depending on the variables of the solution : moisture conten 6 l gas pressure pc and temperature to the model is verified by the numerical simulation software which has been developed about building wall.,
根據節能設計要求,本文用熱力學的方法,並根據多孔介質中多相流體流動描述方面的最新研究成果? ?體積平均方程,建立了墻體熱、濕和空氣耦合熱質傳遞模型,並推導出熱、濕和空氣耦合傳遞等效擴散方程;找到建築墻體熱、濕及空氣耦合作用下熱質傳遞過程的主要影響因素濕容量_ l 、氣壓p _ c和溫度t 。開發了單體材料墻體熱質傳遞數值模擬軟體,用實測數據對軟體進行調試並對模擬計算結果進行了驗證。模擬出了單材料墻體在熱、濕和空氣耦合作用下建築墻體內的溫度和濕度分佈規律。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。Based on the theory of gas dynamics and thermodynamics, the cooling mechanism and the formation and running rule of shock wave in the tube of the thermal separator was explored
從熱力學及氣體動力學角度出發,探討了熱分離機的製冷機理、激波的形成與運動規律。Based on the experimental results, this paper puts forward a thermodynamic model for prediction of was precipitation in gas condensate mixtures
摘要根據實驗研究結果,提出了一個可以預測凝析油氣體系蠟沉積的熱力學模型。The unstable gas stream is characterized by oscillations with transient velocities of about + 100 m / s and frequencies from 50 - 200h /. the enhanced mixing and transport processes lead to a highly efficient moisture evaporation rate during pulsating spray drying. the computational fluid dynamics ( cfd ) method was used for the analysis and investigation of flow, temperature and humidity fields in a pulsating flow spray - drying chamber
長期以來,對噴霧乾燥過程進行了各種試驗和模擬研究,但這些研究並不能揭示噴霧乾燥室內氣體運動狀態,顆粒群的運動軌跡和各種熱力學參數分佈信息,常規的測試手段又很難測得,而這些參數分佈信息對乾燥器沒計和過程優化具有重要指導作用。The great deviation of thermodynamic parameter will be brought on the calculation of thermodynamics process by using the common idealized assumption for humid air
為了滿足工程設計的要求,濕空氣必須看作實際氣體,以便在高溫高壓條件下準確確定其熱力學參數。Meanwhile, this technology can be used for compressed air energy storage ( caes ) in which the working pressure may be up to 15mpa. for hat, properties of humid air have been calculated at high pressures and low temperatures as well
在典型的熱力過程的計算時,特別是在計算高壓低溫條件下的濕空氣的熱力學性質時,把濕空氣看作理想氣體會產生很大的偏差,這種偏差對熱力過程中的質量和能量平衡的影響是不可接受的。分享友人