高溫熱力學 的英文怎麼說
中文拼音 [gāowēnrèlìxué]
高溫熱力學
英文
high-temperaturethermodynamics- 高 : Ⅰ形容詞1 (從下向上距離大; 離地面遠) tall; high 2 (在一般標準或平均程度之上; 等級在上的) above...
- 溫 : Ⅰ形容詞(不冷不熱) warm; lukewarm; hot; gentle; mild Ⅱ名詞1 (溫度) temperature 2 (瘟) acute ...
- 力 : Ⅰ名1 (力量; 能力) power; strength; ability; capacity 2 [物理學] (改變物體運動狀態的作用) forc...
- 學 : Ⅰ動詞1 (學習) study; learn 2 (模仿) imitate; mimic Ⅱ名詞1 (學問) learning; knowledge 2 (學...
- 高溫 : high temperature; elevated temperature; hyperthermia; megatemperature; inferno
- 熱力 : [機械工程] heating power
-
In section one, by using fice scheme and time - gcm, a model of trace gases and oh airglow affected by gravity wave is set up, then the propagation of nonlinear gravity wave and the effect on trace gases and oh airglow are analyzed. the result shows gravity wave excited by tropospause forcing can propagate stably to the mesosphere through the stratosphere so that energy and momentum can be transferred from one region to another. in this process, gravity wave undergoes growth, overturning, convection and breaking
在第一部分的工作中,利用全隱歐拉格式和全球熱層-電離層-中間層-電動力學環流耦合模式( time - gcm ) ,對重力波的非線性傳播及其在傳播過程中對中高層大氣中氧族和氫族成分和與之密切相關的oh氣輝輻射的影響進行了數值模擬,結果表明,從對流層向上傳播的重力波經歷了產生、發展、飽和、對流產生直至破碎的非線性演化,大氣的非等溫結構加速了重力波在中層頂區的破碎,重力波的非線性傳播是小尺度對流和湍流產生的一個重要的源。The properties of polyurethane ionomer were studied, including calorifics, dynamic mechanism and shape memory. comparing to the liner shape memory polyurethane non - ionomer, ionomer has superior effect on shape memory behavior and water vapor permeability especially the water vapor permeability increased from 5 - 8 times of liner smp to 20 - 30 times of ionomers lastly the novel crosslinked shape memory polyurethane was synthesized, which shape recovering temperature were randomly controlled and can completely recover original shape. the properties of polyurethane were studied, including calorifics, dynamic mechanism and shape memory
然後,在此基礎上合成了離子型形狀記憶聚氨酯材料,對其熱性能、動態力學性能、形狀記憶性能、透濕氣性能進行了研究,並與普通非離子型形狀記憶聚氨酯進行了比較,研究發現離子型形狀記憶聚氨酯具有更大的軟段結晶度、更好的形狀記憶性能、更優越的力學性能和透濕氣性能,尤其是其透濕氣性能有了非常顯著的提高,其高溫段濕氣滲透率是其低溫段濕氣滲透率的20 30倍,遠遠大於線型形狀記憶聚氨酯的5 8倍。The relationship between the volume frac tion, distribution, shape of dispersoid and the normal, elevated temperature mec hanical properties of aluminum alloys is outlined briefly in this paper
簡要概述了彌散相的數量、分佈、形狀等和耐熱鋁合金常溫和高溫力學性能之間的關系。Shock wave compression technique has play an important role in the understanding of the material composition thermodynamic state and physical properties of the earth ' s ulterior. in this article, the stabling of high - pressure phase of one of the main candidate materials of the earth ' s lower mantle ? enstatite ( mg0. 92, fe0. 08 ) sio3 were investigated through the experimented measurement of hugoniot equation of state, and together with thermodynamic calculation and analysis
本學位論文以沖擊壓縮技術為手段,從測量其hugoniot物態方程入手,結合高壓物理和熱力學理論分析,較深入地研究了下地幔中的一種主要候選組分頑火輝石( mg _ ( 0 . 92 ) , fe _ ( 0 . 08 ) ) sio _ 3在與下地幔大致相當的溫度壓力條件下的相態-鈣鈦礦型結構的相穩定性。In the end, the mechanism of explosive accidents of lpg vessel under high temperature is analyzed. the major inducements of lpg vessel under high temperature are as follows : 1 ) sudden falling of pressure on valve opening ; 2 ) material strength falling of vessel wall, which is caused by high temperature of vessel wall ; 3 ) thermal stress that is caused by non - uniform temperature of vessel wall
武漢理工大學碩士學位論文? ?論文最後分析了高溫環境下液化氣容器爆炸的事故機理,即高溫環境下液化氣容器爆炸的主要誘因為: 1 )閥門打開時的壓力驟降; 2 )容器壁溫度過高,導致容器壁的材料強度降低; 3 )容器壁的溫度不均勻引起的熱應力。This paper aims at the characteristics of thermal response of lpg vesse1 under high temperatue, conjoining the project of " study on transportation safety early - wdring system of lpg dangerous goods " supported by transportation departinen of china and the project of " mechanism study and numerical simulation of the explosion of lpg vessel " supported by science foundation of hubei province. the interdisciplinary research has been done among temperature field distribution of lpg vessel under flame surroundings, intensity calculation, crack propagation predication and mechanism of explosive accident, etc. three parts are analyzed and discussed
本文針對高溫環境下液化氣壓力容器的熱響應特性問題,結合交通部重點科技項目「液化氣體類危險品運輸安全預警系統的研究」和湖北省自然科學基金項目「液化氣容器爆炸機理研究及數值模擬」 ,對在火焰包圍下的液化氣壓力容器的溫度場分佈、強度計算、裂紋擴展預測以及爆炸事故機理等方面開展了多學科的交叉研究。Ceramic fuel cells are electrochemical devices that directly convert fuels such as gasified coal or natural gas into electricity without the limitation of the carnot cycle ( an ideal thermodynamic cycle in which heat is taken onto a working fluid at a constant upper temperature and rejected at a constant lower temperature )
陶瓷燃料電池是一種電氣化學裝置,能直接將煤氣、天然氣等燃料直接轉化為電能而不會受到卡諾循環(一種理想的熱力循環,熱量在恆定高溫下轉化成工作流體,在恆定低溫下被釋放)的限制。The results show that at a given substrate temperature, there is a compressive stress threshold, below which cbn phase is thermodynamically stable and p above which hexagonal bn ( hbn ) phase is thermodynamically stable
結果表明,在給定的襯底溫度下,存在一個壓應力閾值,壓應力低於此值時立方相是熱力學穩定相,壓應力高於此值時,六角相是熱力學穩定相。The key items influent on the characteristics of spraying have been also studied in the dissertation, we can get a good spraying result by adjusting the related parameters efficiently. ( 3 ) the theoretical model of the dynamical parameters such as temperature, moisture, pressure and contour for hot medium and particle inside the drying chamber were obtained by model, utilized the computational fluid dynamics technique to solve the problem between spraying droplets medium by arranging the double grid dispersing structure and rotary outlet structure and the developed structure improved the drying efficiency and product quality
( 3 )採用-模型實現了壓力噴霧乾燥塔的溫度場、濕度場、流場的理論建模,利用計算流體力學( cfd )技術來解決噴霧乾燥過程中熱介質與霧滴間的傳熱傳質以及動量傳遞和湍流擾動等問題,避免了乾燥過程中的設計不合理狀況;通過增加雙格柵均風裝置和旋轉出風裝置,改善了乾燥塔內的熱質傳遞,提高了乾燥塔的體積蒸發強度。In this paper, high heat penetration into a moving particulate bed is described mathematically with a comprehensive heat and mass transfer model. the distribution of gas velocity and pressure, the temperature field of gas and solid in the moving particulate bed are examined for different conditions. the results show that thermal penetration into the moving packed - bed particles by fluid flow in porous media is high only in the position near the gas entrance. the thermal penetration thickness tends to increase with the fluid flow velocity and decrease with the particle moving velocity. in the region of thermal penetration, the porosity of solid bed has significant effect on gas field and pressure loss. it is feasible to reduce the gas pressure loss by a larger width / height packed bed in design and operation. the correspondence between thermal infection depth and particle bed height would be helpful to keep high oapacity of reactor and reduce the cost of operation
針對移動顆粒床中物料層內的高溫氣體滲流傳熱現象,考慮滲流與傳熱的相互作用,採用局部非熱平衡假設建立了多孔介質滲流傳熱物理數學模型並進行了數值計算.研究了不同情況下床內填充多孔介質中的流速、氣固溫度和床層壓力損失.計算結果表明,高溫熱氣對移動床顆粒料層的熱滲透主要發生在滲流入口端區域,增大入口滲流速度以及減小床層物料下移速度將導致物料溫度沿床高慢速下降,熱滲透深度擴大,熱滲透作用區域內的物料溫度水平提高.在熱滲透作用區域,孔隙率對流場和壓力損失有很大的影響.研究結果對于移動顆粒床反應器的設計與運行具有一定的參考作用Secondly, the sorts and weights of the components of the gel electrolyte are optimized, and a gpe with excellent performance is prepared, whose ion conductivity reachs 9. 2ms / cm. we analyze all the factors influencing the performance of the gpe, and study many performances of the gpe, including the microstructure, conductivity performance, liquid electrolyte holding ability, electrochemical stability, thermodynamics stability, and interfacial stability between electrolyte and electrode, et al
其次,對gpe各組份進行了改進和優化,找到了最佳的配比,制備了性能良好的凝膠電解質,該gpe的室溫離子電導率最高可達9 . 2ms cm ;考察了影響凝膠電解質性能的各種因素;研究了凝膠電解質的微觀結構、導電性、保液性、電化學穩定性、熱力學穩定性以及電解質與電極間的界面穩定性等性質。These deviations are not acceptable for typical calculations in hat. similar problems occur for caes plants. in order to meet the demands of engineering design, the humid air must be regarded as a kind of real gas and more accurate thermodynamic properties of the humid air are acquired at high temperature and high pressure
本文針對新型熱力循環中對高溫高壓濕空氣熱力學性質參數的需求,以濕空氣透平和壓縮空氣蓄能系統中的工質為研究對象,在維里狀態方程的框架下,運用對應態原理,提出一個適合計算高溫高壓濕空氣熱力學性質的對應態維里方程,並利用兩種方法對濕空氣的汽液相平衡進行計算。At same time macroscopical and microcosmic mathematical model of nitridation are investigated. in this paper the thermodynamics of direct - nitridation, effect of temperature and nitrogen ambience on nitridaton and self - diffusion are discussed in the theory of physical chemistry in detail
同時本文用物理化學的原理討論了矽片氮氣直接氮化的熱力學方程、氮化條件的理論根據和原子的自擴散,從理論上證明隨溫度升高氮化加劇,氣氛純度越高氮化越容易的結論。Aim : to analyze the mechanism, thermadynamic theoretical basis, dynamic mechanism and influencing factors of thermally induced phase separation ( tips ) in order to completely grasp the factors affecting the size, distribution and form of pores, so that the adjusted range of pore can be widened and the preparation of porous membrane can be repeated and controlled. methods : considering from the structural characteristics of tissue engineered materials, the methods of preparing porous membrane using tips technique, the hermadynamic theoretical basis, dynamic mechanism and influencing factors were analyzed, the problems and investigative directions in the future were also analyzed. tips technique is a process of phase separation of polymer homogenous solution under quenching, and it is suitable for diameter and structural form of the micropore materials prepared using tips are closely correlated with the kind and dispensing proportion of polymer attrnuant, polymer concentration and polymer molecular mass, etc. conducted, including determination of polymer - solvent system phase diagram, study of form and appearance of porous membrane of different thickness, study of form and appearance of porous membrane prepared with systems of different x, which is the parameter of polymer - solvent interaction
目的:分析熱致相分離成膜過程的機理、熱力學理論基礎、動力學機制以及影響因素,以便充分掌握影響孔度大小、分佈、形態的因素,使孔度調控范圍得以拓寬,使多孔膜的制備能重復可控.方法:從組織工程材料結構特點出發,分析熱致相分離聚合物多孔膜的制備方法及該法成膜的熱力學理論基礎、動力學機制以及影響因素.並分析實驗中存在的問題及今後的研究方向.結果:以熱致相分離法可制備聚合物多孔膜.熱致相分離法制備多孔膜是高聚物均相溶液在淬冷條件下發生相分離的過程,它適用於上臨界共溶溫度型聚合物一稀釋劑二元體系.熱致相分離法成膜的過程,可以認為是旋節線機理佔主導地位.熱致相分離法制備的微孔材料,其孔隙率、孔徑大小、結構形態與聚合物稀釋劑的種類、組成配比、聚合物濃度、聚合物分子量等因素密切相關.結論:可採用熱致相分離技術制備多孔膜,通過改變不同的成膜條件可獲得一系列不同孔徑尺寸和孔徑分佈的多孔膜材料.對熱致相分離成膜過程中聚合物-溶劑體系的相圖測定,不同厚度的多孔膜形貌研究,不同x (聚合物-溶劑相互作用參數)體系所制備的多孔膜形貌等需深人研究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。When refrigeration in this temperature range is realized by using single stage refrigerator with mixed refrigerant, not only the structure of the refrigerator is simplified, thus the operation reliability of the refrigerator is increased, but also the refrigerator can operate with a higher thermodynamic efficiency than that of conventional ones
採用單級壓縮的混合工質製冷機進行該溫區的深度製冷,不但可以使製冷機的結構得到簡化,提高製冷機運行的可靠性,而且還可以獲得更高的熱力學效率。The aim of this study is to compare the thermodynamic characteristics of different j - t refrigerator cycles with mixed refrigerant in - 40 " c ~ - 120 " c temperature range and to find out the refrigerator type with high thermodynamic efficiency and high reliability, as well as the corresponding optimum composition of the refrigerant mixture
本文的研究目的就是通過理論和實驗兩方面深入的分析和比較各類混合工質節流製冷機循環在- 40 - 120溫區的熱力學性能,探求其中的內在規律,找到該溫區內具有較高熱力學效率和高可靠性的製冷機型式以及相應的最優混合工質成分。The forming - nucleus drive power could form numerous little crystal nucleus under natural melting temperature. the formation of tic particles in the melt could be divided into two phases which was forming - nucleus and growth. the forming mechanism of tic was : melting ti first surrounded c, then ti melting in the alloy and c formed a complicated reaction mesosphere on the carbon surface
根據熱力學及動力學分析,認為在碳顆粒界面處tic的形核率很高,形核驅動力足以在正常的熔煉溫度下形成眾多的小晶核;熔體中tic顆粒的合成可分為形核與長大兩個階段,其形核機制為:首先活性ti原子包圍c ,溶入合金中的ti與c在碳表面形成一復雜反應中間層,隨著反應進行, ti和c顆粒不斷減少,生成的tic不斷彌散分佈於熔體中;其長大過程伴隨著tic顆粒的相互堆砌、聚集和形態規則化。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。The thermodynamic conditions of decomposition of the foaming agent tih2, homogeneous and heterogeneous nucleation in high - temperature solid and liquid, growth and movement were achieved to demonstrate the trend of pore evolvement in this paper. moreover, according to the characteristics of in - situ gas foaming, the equations of the height change of foaming samples with heating time were primarily established to study the behavior of foams and to guild the experiment processes
另外,論文通過大量的熱力學分析,得出了發泡過程中發泡劑分解以及氣孔在固液態時的均勻形核和非均勻形核、氣孔的生長和運動等熱力學條件,揭示了氣孔演化的趨勢;論文還根據內生氣源發泡的特點,初步建立了高溫熔體中氣體發泡高度隨時間變化的方程,為進一步深入的研究發泡機理奠定了一定的基礎。分享友人