熱力分解溫度 的英文怎麼說

中文拼音 [fēnjiěwēn]
熱力分解溫度 英文
thermodynamic decomposition temperature
  • : 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...
  • : 分Ⅰ名詞1. (成分) component 2. (職責和權利的限度) what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] (料想) judge
  • : 解動詞(解送) send under guard
  • : Ⅰ形容詞(不冷不熱) warm; lukewarm; hot; gentle; mild Ⅱ名詞1 (溫度) temperature 2 (瘟) acute ...
  • : 度動詞[書面語] (推測; 估計) surmise; estimate
  • 熱力 : [機械工程] heating power
  • 溫度 : [物理學] temperature
  1. Second, the starting and stopping behaviors under disturbed condition are analyzed and calculated by using the dynamic concentrative parameter model, which gives some advice to better prescribe refrigeration system and set theoretic foundation for carrying out automatic control of refrigeration system. third, the normal running process is analyzed and calculated by means of rational matching theory, which gives some advice on how to better understand the parameter change under steady state and the affection of inlet - parameter on evaporator. fourth, the simulation software with dynamic characteristic is designed, which can be applied to calculate thernio - parameter of cryogen, air humidity and frost thickness under different initial and boundary conditions, and to carry out dynamic simulation under conditions of dryness, wetness and frostiness, at the same time, to achieve detection and simulation at any stage from starting to stopping

    本文的主要內容如下: 1 )對翅片管蒸發器結構特點進行析,選取適當的微元控制體,就干、濕和霜工況下對每個微元別進行傳傳質析,基於經驗關系式確定霜的有關參數,對于霜工況下的霜生長建立模型,經適當假設,運用質量守恆、能量守恆和動量守恆方程建立適合動態模擬的蒸發器數學模型,為系統模擬奠定基礎; 2 )對蒸發在大擾動下的開、停機過程,運用動態集中參數模型進行析和計算,為更好地描述製冷系統運行的全過程奠定基礎,同時也為製冷系統實現自動控制提供一定的理論基礎; 3 )對蒸發器正常運行過程,運用動態佈參數和參數間定量耦合的觀點來析和計算,為更好地了穩態工況下各點參數的變化情況及各入口參數對蒸發器動態特性的影響即蒸發器性能對各參數變化的敏感性; 4 )編寫翅片管蒸發器動態特性模擬計算程序,可以計算不同邊界條件和初始條件下的製冷劑參數、空氣和霜厚佈場,實現對翅片管蒸發器在干、濕和霜工況下的動態模擬。
  2. Numerical calculative simulation could factually reflect the dynamic characteristics of the whole equipment and inner flow and diathermancy of split - stirling crycooler. through the calculation, the velocity, temperature, pressure and other detailed information of airflow in any position inner the crycooler could be gained ; the distribution of each parameter could be confirmed and reasonable explanation for the experiment result could be made

    數值計算模擬能接近真實地反映置式斯特林製冷機的整機和內部流動、傳的動態特性,通過計算可以得到製冷機內部任一位置的氣流流動的速、壓等詳細信息,確定各參數的佈情況,並可以對實驗結果做出合理的釋。
  3. The variations of sea ice in the arctic ocean are simulated by using a improved high resolution hibler dynamic - thermodynamic sea ice model during 1979 - 1998. the model is driven by surface atmospheric and oceanic forcing consists of geostrophic winds, surface air temperature, specific humidity, and longwave and shortwave radiative fluxes provided by international arctic buoy program ( iabp ). the simulated results show that arctic sea ice have noticeable seasonal and annual variability

    利用一個hibler海冰模式,在改進了其和改變模擬范圍以及提高的基礎上,以北極國際浮標計劃( iabp )提供的1979 - 1998年間逐日變化的日平均海平面氣場,濕場,長短波輻射場,風場,洋流場,海洋流量場為強迫場,模擬了上述20年間北極海冰的時空演變。
  4. The entropy or number of states of system or subsystem are closely related to interaction of particles and energy level distribution, therefore, to study the temperature dependence of the specific heat may supply some important and useful microscopic information which may play an important role in understanding electronic structure, density of state, phonon spectrum etc. the specific heat measurements at low temperatures also play important roles in the finding of the third law of thermodynamics, the quantum theory of solid and bcs theory for superconducting etc. moreover, specific heat measurements help us to understand the different kinds of phase transitions ( such as : structural phase transition, magnetic phase transition, superconducting phase transition etc. ) and the scaling behavior near the critical point

    系統、子系統的熵或微觀狀態數與微觀粒子間的相互作用及能級佈密切相關,因此研究比的依賴關系能夠提供被測量系統許多極其有用的微觀信息,對理固體的電子結構、電子態密、聲子譜等起著十重要的作用。低的測量和研究對學第三定律、固體量子理論和超導bcs等理論的建立起到了積極的推動作用。比研究還有助於認識各類相變如結構相變,磁性相變,超導相變等及臨界點附近的標規律。
  5. ( 3 ) temperature field and residual capacity of reinforced concrete member after fire studied by the numbers, various boundary conditions of heat exchange equation and the solutions of them given an account, the formulae of the residual capacity of the members after fire established, the program of temperature field programmed on the basic of finite difference algorithm, a case given to demonstrate

    ( 3 )對火災后構件場的佈和剩餘承載的計算進行了系統地析和研究。討論了傳導方程的各種邊界條件及相應的法,建立了不同構件的剩餘承載計算公式,並結合工程實例用有限差法編制了相應的場計算程序,與實例吻合良好。
  6. The blade inner channel cooling is a complex convection - conduction coupling problem. this thesis build a three - dimension. compressible turbulence model, and give a general solve method. with the geometrical model of the glossily rectangle straight channel, the rectangle straight channel with in - line arrays disturb plates, the rectangle straight channel with staggered arrays disturb plates, the rectangle straight channel with slant disturb plates, this thesis compute the flow and heat transfer condition when the cold air path though these channels, and gain the temperature field, pressure field, velocity filed, in addition. this thesis also analyze the influence of the different channel height, the different channel materials, the different channels, and gain the function relation between he nusselt number, friction factor and reynolds number. this thesis is emphasis on the new heat transfer enhancement structure, that is, disturb plates, with the comparison with the glossily channel and channel with pin fins, the heat transfer enhancement effect of the former is better, and the conclusion can be used in the design of aircraft blade

    葉片內部通道冷卻是一個復雜的對流?導耦合傳問題,本文在析葉片內部通道冷卻的流動與傳情況的基礎上,建立了三維、可壓縮紊流的物理模型,得到了通用的求辦法;利用不帶擾流片的矩形直通道、帶順排擾流片矩形直通道、帶叉排擾流片、帶傾斜擾流片的矩形直通道的幾何模型,計算了冷卻空氣通過這幾種通道時的流動與換情況,得到了各種不同情況下計算區域的場、壓場、速場;在此基礎上析了不同的通道高、不同的葉片通道材質對葉片內部通道冷卻的影響,並整理得到了各種通道形式下,努謝爾數和阻因子與雷諾數的函數關系;本文重點研究了新型的葉片內部通道冷卻強化傳措施?帶擾流片的內部冷卻通道的強化傳效果,通過與光滑矩形直通道、帶針肋通道的冷卻效果的比較,表明了這種新型鮚構的優勢,對于葉片內部通道冷卻結構的設計可以起到指導的作用。
  7. But it also includes two fatal disadvantages : first, at is difficult to be sintered and its density is low, which causes its lower strength ; second, in the temperature range of 1023 - 15 73 k, at can decompose into al2o3 and tio2 easily, which can cause the stress concentrated and raise the heat expansion rate

    但是該材料本身存在的兩大致命的缺點,在很大程上限制了它的廣泛應用: ( 1 ) 、鈦酸鋁難以燒結,燒結體的緻密低,因而強不高; ( 2 ) 、在750 1300的范圍內易成氧化鋁和二氧化鈦,造成材料內部應集中,並使材料的膨脹率升高。
  8. By virtue of the experiments carried out on the modified pilot - scale biomass gasification system, the temperature field in the gasifier is made explicit. and also some principles about how the temperature, feedstock and extraction mode exert influences on heat value and production rate of gas are attained. in addition, some tentative tests of tar cracking and thermodynamic characteristics of biomass gas burner have been performed, which are that indispensable to design and operation of biomass gasification demonstration project

    接著,通過對生物質中值氣化中試試驗系統的多次改造和反復試驗,了了氣化爐內佈,得出了、物料、抽氣方式等因素對生物質氣的成值和產氣率影響的一些基本規律,並進行了初步的焦油催化裂試驗和煤氣燃燒器的特性、燃燒特性試驗,為面向工程應用的集中供氣示範項目提供了必要的設計和運行依據。
  9. Copper - nanosized tibi composites were prepared by in - situ process. the microstructure, mechanical and electrical properties, and dry sliding wear behavior and electric sliding wear of cu - nanosized tib _ 2 in - situ composites was investigated ; mostly task as follows : the thermodynamic data for the reactions between b and ti in the molten liquid of copper were analyzed, the copper matrix composites reinforced by in - situ tibi nanoparticles were prepared by reactions of 8263, carbon and titanium in copper - titanium melt, and copper - titanium, copper - boron in alloy melt, respectively, which controlled the reaction temperature, reaction time and solidification process. the rnicrostructure and mechanical and electrical properties of the in - situ composites were investigated by using optics microscope, tem and xrd

    本文採用原位反應法制備了cu -納米tib _ 2原位復合材料,在此基礎上析了原位復合材料的微結構,進行了干滑動摩擦磨損和電接觸滑動磨損實驗,完成的主要工作如下:從學的角出發,析了陶瓷tib _ 2顆粒在銅基體中原位生成的學條件,並用電銅、工業純鈦、 b _ 2o _ 3 、 c (還原劑)以及cu - ti 、 cu - b等合金為原料,通過控制適當的反應、反應時間和快速凝固等工藝手段,制備了cu -納米tib2原位復合材料。
  10. Tar content in the gas was influenced by the gasification conditions, such as the gasification temperature, residence time of feedstock in the gasifier and the type of feedstock, which can help us to investigate the mechanism of tar production in gasification process. catalytic cracking of tar was performed in a downstream secondary fixed - bed cracker with dolomite, limestone and alumina brick as catalysts. by comparison, thermal cracking of tar was also performed with silica carbide

    在固定床二級催化裂化反應器上,實驗了白雲石、石灰石、高鋁磚等幾種催化劑作用下的焦油催化裂化過程以及炭化硅作用下的裂化過程,並對裂化( 650 950 ) 、氣相停留時間( 0 . 5 1s )和催化劑類型等過程參數對焦油轉化效果和煤氣的影響進行了析,對各種催化劑材料的性能進行了比較,爭開發出可適用於工業化生物質氣化系統的焦油催化裂化技術。
  11. The model was built up according to transmission heat subject of temperature field in prestress concrete members, and analyzed the regulation of difference in temperature, divided different in temperature into transverse difference in temperature and lengthways difference in temperature, and gave some formulas

    藉助于傳學,建立預應構件內部場的計算模型。並在此基礎上,佈規律,將計算差的為橫向差和縱向差,並提出相應的計算公式。
  12. In this paper, co3o4 nano - particles were prepared by homogeneous precipitation method, technical conditions and kinetics were studied, the main contents and results are as follows : co ( no3 ) 2 6h2o was used as raw materials, and co ( nh2 ) 2 was used as precipitator, co3o4 nano - particles were prepared by homogeneous precipitation. the influences of concentration, molar ratio of reactants, reaction temperature and time, dryness temperature and time, and calcining temperature and time on particle size were investigated

    本文採用均勻沉澱法制備納米co _ 3o _ 4粉體材料,研究了制備工藝條件、沉澱反應和前驅體過程的動學,主要研究內容及結果如下:以硝酸鈷為原料,尿素為沉澱劑,採用均勻沉澱法制備納米co _ 3o _ 4 ,考察了硝酸鈷濃、反應物摩爾比、反應和時間、乾燥和時間、煅燒和時間等條件對產物粒徑的影響。
  13. Meanwhile the 0 dimension 1 dimension plane wall 2 dimension models are established. using the mathematic and ansys software the numerical and soluble analyses can be got for the thermal shock model of the piston. compare the simulation results to the test results the temperature field and stress field can be got which are quite close the thermal shock situation

    同時建立活塞沖擊的集總參數、 1維平壁和2維模型,應用mathematic軟體和ansys軟體,對所建立的活塞沖擊模型進行了析和數值析,利用模擬計算與試驗結果相結合的方法,獲得接近於內燃機活塞沖擊的場與佈,從而更加全面深入地了沖擊條件下活塞的場和應場變化規律。
  14. This paper studied two - dimension model of rotor and cylinder and builded the finite element model. generally take the rotor and the cylinder as control objects , definite their boundary conditions , solute their temperature fields , and then analyst their bear expansions and distortions as well as thermal stress distribute , to control the courses , and keep the unit the most optimum operating condition. and put the theories into practice developed by c + + program, used as the important part of the online monitoring and management system of life of the steam turbine

    本文對汽輪機轉子和汽缸的二維模型的進行析,建立有限元模型;將汽輪機轉子和汽缸作為控制對象,確定其邊界條件,求場,析其膨脹、變形以及佈;採用c + +語言編制汽輪機高壓缸、中壓缸以及缸體的場實時在線監測程序,作為汽輪機壽命在線監測與管理系統的核心部,用以指導汽輪機的啟停及運行過程,使機組可以安全的、經濟的運行。
  15. 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模型,並考慮了電堆的輻射換、轉換反應、反應氣體組變化對場的影響;根據mcfc的微控制方程組,考慮氣體組學性質及動量變化的影響,利用數值析方法求熔融碳酸鹽燃料電池堆的三維流場與場,析了各作用因素對熔融碳酸鹽燃料電池堆佈的影響機制。
  16. This text completely and systematically studies the status and the development of the pyrolysis and the fluidization of biomass, which distill the bio - oil in the domestic and international area, as well as the existing problems. this thesis primarily include following aspects : ( l ), by experimenting and measuring the energy ( heat value ) and the content of c, h, n chemical element of right 20 kinds of common biomass, on the base of the experimental result, and respectively established the biomass energy predict experiment formula with the element of h and c is from change, and passed the ro. os examination, which provides the basis and convenience for flash pyrolysis fluidization device energy to convert the rate to compute with biomass energy utilization calculation ; ( 2 ), proceeded the tg and dtg experimentation equal velocity ( 10 ? / min, 20 ? / min, 40 ? / min, 60 ? / min ) heating and constant temperature heating by studying on eight kinds of biomass samples, according to the experimental data and arrhenius formula, we established the dynamics model of pyrolysis of, then, using the goast - redfern and p function, we also solved the dynamics parameters and analyze out every kind of biomass ' s frequency factor and parameters of activation energy, and established the every kind of dynamics model of pyrolysis of biomass, all of these provide the theories and basis to make sure the reactor ' s flash pyrolysis work temperature scope design and the describing of pyrolysis reactor dynamics ; ( 3 ), in order to study and ascertain the process of heat completely getting to pyrolysis time of varied size biomass particles, we observed and measured the ratio of length and diameter ( l / d ) with the varied biomass through electron microscope, we concluded the l / d ratios usually is from 5. 0 to 6. 0, the average is 5. 3 ; ( 4 ), we studied the process of biomass transiting and the theory of complete pyrolysis time with the theory of complicated heat field, we got the time ( t ) of the varied size biomass particles arriving to complete pyrolysis, and we knew that the complete pyrolysis time and the time which get to the biggest production ratio are identical, all of these studies provide the theory base for design and forecasting the flash pyrolysis reactor solid state resort time ; ( 5 ), according to the above experiment result, synthesize to make use of the engineering the mechanics, engineering the material, machine the design to learn the principle, deduce, establish the theory of rotation cone flash pyrolysis reactor material resort time ( t ) and reasonable rotation velocity ( or frequency ) relation theory ; and ( 6 ), we gave the reactor ' s smallest cone angle certain, reactor cone wall strength design theory, the reactor production ability theory, the power design method and the critical rotation velocity theory

    本文較全面、系統地綜述了國內外生物質液化制取生物燃油技術研究發展現狀及存在的問題,主要研究內容有: ( 1 )實驗、測定了20種常見生物質的能量(發量)和c 、 h 、 n元素含量,根據實驗結果別建立了以h和c為自變量的生物質能量預測經驗公式,並通過r _ ( 0 . 05 )檢驗;為閃速液化裝置能量轉化率計算和生物質能量利用率計算提供了依據和方便; ( 2 )選擇了8種生物質試樣作了等加速率( 10 min 、 20 min 、 40 min 、 60 min )和恆的tg和dtg實驗,根據實驗數據和阿倫尼烏斯公式建立了生物質反應動學微方程,並採用goast - redfem積法和p函數對其動學參數進行了求析出各種生物質的頻率因子和活化能參數,進而建立了各種生物質的學模型,為科學確定反應器的閃速工作范圍及反應動學描述,提供了理論和依據; ( 3 )為研究和確定不同尺的生物質顆粒中心達到全的時間,在體視顯微鏡下對不同粒的生物質顆粒的長徑比進行了實驗觀察和測定,得出生物質的長徑比( l d )一般在5 . 0 6 . 0之間,平均為5 . 3的結果; ( 4 )採用復雜場傳學理論對生物質傳過程及充時間理論進行了研究,析推導出了不同尺寸生物質顆粒中心達到充的時間( t ) ,得出了理論推導的充時間與最大產油率的時間相一致的結果,為閃速反應器固相滯留時間設計和預測提供了理論依據; ( 5 )根據上述實驗結果,綜合運用工程學、工程材料、機械設計學原理,推導、建立了轉錐式閃速反應器物料滯留時間( )與轉速(或頻率)合理匹配理論; ( 6 )提出了轉錐式閃速反應器的最小錐角設計、錐壁強設計、生產能設計理論和功率計算方法及臨界轉速理論等。
  17. This thesis initiates a study about the thermal - hydraulic research for the target structure and optimization. investigating the target research work at home and abroad, we acquire their design gist and technological developing route in the according fields. comparing the numerical - calculational methodology of multi - physical such as finite difference method, boundary element method, disperse element method and finite element method, finite element method is the predominant methodology, we have appliance of this method to calculate fluid field thermal field and stress field

    針對靶區的結構設計,開展工水學研究工作;調研國內外靶區的研究現狀,了靶區的設計依據、技術發展路線及發展趨勢;調研多物理場的數值模擬方法-有限差法、邊界單元法、離散單元法、有限元方法等等,其中最有效地方法是有限元方法;簡述有限元方法在流場、場、應場計算中的具體應用。
  18. 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析,指出了氣動系統內部氣體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、環境濕、供氣壓、供氣、氣缸負載和調速閥開等。然後應用氣體動學、氣體學和傳學對氣動系統建立數學模型,用逆步進有限差法和數值析演算法對所建模型進行求,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。
  19. ( 4 ) thermal pipelines are important parts of concentrated heat supply of the thermoelectricity combination. according to the thermal lube service prospect, the paper calculates thickness of the buried steam pipe, proposes a new opinion of the interface temperature controlling method, and also attempt to determine the resistance loss of the minimal steam tubes and wrote its program

    ( 4 )管網是電聯產集中供系統的重要組成部,本文根據管道的發展趨勢,對直埋蒸汽管道的保層厚計算,提出採用界面控製法的見,並進行編程計算,此外,還對直埋蒸汽主管道阻損失進行編程計算的嘗試。
  20. Its bend strength is 144. 1 mpa, impact strength is 13. 5 kj / m2 and martin heat - resistant temperature is 160. and the heat decompounding temperature of the resin is 350, which is confirmed by the tga of cured resin

    同時對改性后樹脂固化物進行失重析,確定樹脂固化物為350 。表明通過改性后的雙馬樹脂具有較好的學性能和耐性。
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