combustion reaction 中文意思是什麼

combustion reaction 解釋
燃燒反應
  • combustion : n. 1. 燃燒,發火,點火。2. (有機體內營養料的)氧化。3. 騷動。
  • reaction : n 1 反作用,反應;反沖;反動力。2 【政治學】反動,倒退;復古(運動)。3 【化學】反應,【物理學】...
  1. Meanwhile in the condition of high temperature, water vapors can participate in combustion. water gas reaction will happen, which will reduce carbon particle in flame, and reform combustion performance, so improve combustion efficiency. the article developed a kind of technology of water injection into intake ports for 4135g diesel engine, meanwhile designed a suit of water injection system

    同時在高溫條件下,水蒸汽參與燃燒,部分水分子與未完全燃燒的熾熱的炭粒發生水煤氣反應,形成可燃性氣體,從而減少了火焰中的炭粒,提高了油的燃燒程度,改善了燃燒狀況,提高了油的燃燒效率。
  2. In the third chapter of this dissertation, based on the physical and chemical properties of hydrogen and the combustion characteristics of hydrogen, the quasi - dimension combustion calculation model of hydrogen ? fueled engine is set up through analyzing the characteristics of turbulence flame and chemical reaction kinetic of hydrogen ? air mixture. the model includes the dual ? area thermodynamics sub - model, quasi - dimensional turbulent entrainment combustion sub ? model, turbulence flame promulgating sub ? model, hydrogen - air mixture chemical kinetic sub - model and loss of heat transfer sub - model and so on

    本文從氫燃料的物化特性和燃燒特徵著手,通過分析氫空氣混合氣燃燒的湍流火焰結構和燃燒化學反應動力學,基於雙區燃燒模型,建立了包括雙區熱力學、準維湍流卷吸燃燒、湍流火焰傳播速度、氫空氣混合氣燃燒化學反應動力學以及傳熱損失等模塊的燃燒模型,並給出了相應的計算方法。
  3. The process of mixing and chemical reaction in the second combustor is very complicated, many factors affect the combustion efficiency

    然而補燃室內燃氣同空氣的摻混燃燒過程十分復雜,影響燃燒效率的設計參數很多。
  4. As to the simulation, three - dimensional n - s equations and two - phase flow model, in which the liquid toluene spray as discrete particles was considered, were employed to describe the turbulent combustion processes in the combustion chamber. the mass and energy transfer between the two phases were calculated by the droplet evaporation model, and the arrehnius model was used to obtain the gas chemical reaction rate. the details of 3d flow field, the distributions of temperature and compounds were obtained by solving the equations

    數值模擬方面,應用三維湍流n - s方程以及顆粒軌道模型描述了激光器燃燒室內部的噴霧兩相燃燒流動過程,兩相之間的質量、能量交換由液滴蒸發模型計算,氣相化學反應速率由arrhnius公式計算,通過耦合求解氣液兩相模型方程,模擬了燃燒室三維流場,得到了燃燒室內的溫度和組分濃度分佈。
  5. These concrete works are the following : 1, a new heterogonous shs model had been proposed, which first included all the relative materials characters, such as reactants particle sizes, changeable heat - conductivity and mass diffusion during shs and so on, and its chemical reaction characters, initial combustion status

    具體工作如下: 1 、提出了微觀不均勻的燃燒介質模型,在此基礎上完成了對非均質燃燒模型數學化的研究,並提出了「燃燒基團」模式,解決了模型數學分析量大的難點。
  6. This new model made a more precise prediction about the shs combustion way and its technological characters possible. 2, with the heterogonous shs model, lots of combustion way had been imitated by change systems relative factors and the rule of the combustion way change had also been studied, chemical reaction in these systems was controlled by a single mechanism

    在該模型中,首次將體系的微觀不均勻特性、體系的基本物性及燃燒過程中的化學反應機理與整體燃燒動力學行為聯系在一起,從而為更加準確地預測和控制shs體系的燃燒行為,優化shs的工藝過程奠定了理論基礎。
  7. Development of reduced chemical reaction kinetic model for hydro - carbon fuel combustion

    碳氫燃料點火燃燒的簡化化學反應動力學模型
  8. Ruburning with coal has been proved a effective low nox emission combustion technology 。 in this ph. d thesis, the reaction mechanisms of reburning have been investigated, and the homogeneous and heterogeneous reduction of nox have been analyzed in details. a series of reburning experiments have been carried out on an entrained - flow reactor, in which two kinds of coals with different particle sizes have been used

    本文對煤粉再燃過程中,揮發分及煤焦的基元反應途徑和反應機理進行了詳細分析;在攜帶爐實驗臺上進行了神華煤、邢臺煤在1200與1300 、四種煤粉細度、三種再燃燃料比和三種再燃區初始氧量,共144個實驗工況下的再燃實驗。
  9. Abstract : during the heating of scrap with carbon or hydrocarbon contented substances in some process, it will bring problems like explosion of carbon monoxide, fume and smell from oil volatilization, etc. , if incomplete combustion occurs. through laboratory experiments, the time related variation of gas contents and post combustion ratio of fume during the heating of oil - bearing scrap are studied. the results show that the restrictive chain of reaction procedure is the thermolysis of oil ; that temperature and ( co ) / ( co2 ) ratio influence transformation ratio and post - combustion ratio under lower temperature ; that 900 is the temperature above which the complete reaction can be ensured at all ( co ) / ( co2 ) ratios

    文摘:在某些廢鋼熔煉過程中,當爐料中含碳及碳氫物質且燃燒不充分時,會帶來煙氣中一氧化碳的燃爆、油污揮發時造成的煙霧、臭味等問題.通過實驗室裝置研究含油廢鋼在加熱過程中煙氣成分隨時間的改變以及二次燃燒率的變化,試驗結果表明,反應過程的限制性環節是油分的熱分解;在較低的溫度下( co ) / ( co2 )比例影響轉化率和二次燃燒率;而在任意比例下保證充分反應的溫度為900以上
  10. Subsequently the reduced mechanism is used for three - dimensional numerical calculation in the flow solver technology of star - cd. 2. different from the one - step irreversible reaction, a multi - step reaction combined time scale model is developed to the solve combustion - turbulence interaction firstly

    2考慮化學反應和湍流的相互作用,建立了有別于普遍採用的基於單步不可逆反應的混合湍流反應(時間)速率模型的新模型,即多步反應混合湍流反應(時間)速率模型。
  11. Great difference in pressure for two flow made pressure wave system and it help to extend the delay time for gas in chamber, which increases combustion effusion. second, to increase combustion effusion, the inlet temperature of air and gas should be enhanced in the range of heat releasing in chemical reaction. third, the first work condition is unburned absolutely and the second work condition is burnt in shear layer of inlet and the end of down wall zone in straight segment

    對于壓力差很大的兩股氣流,所形成的壓縮波系的結構可以增加燃氣駐留時間,提高燃燒穩定性;為了提高擴散燃燒的效率,在保證能放熱的化學反應溫度范圍之內,應適當提高燃氣及空氣的來流入口溫度;燃氣噴嘴應居於燃燒室軸線上,是改進超音速燃燒室結構的一種思路。
  12. Reaction to fire tests for building products - determination of the heat of combustion

    建築物著火反應試驗.燃燒熱量測定
  13. The most common type of reaction studied calorimetrically is combustion.

    量熱研究中最常見的反應類型是燃燒反應。
  14. Humic acid usually formed from phytoplanktons, zooplanktons, and epicontinental vascular plants through biodegraded and condensated reaction. krogen derived either from humic acid or from the reworking materials. differing from humic acid and kerogen, bc was produced from the incomplete combustion of fossil fuels and biomass

    並且不同的有機質有不同的來源,腐殖酸通常是浮游生物和陸生的高等植物經過生物降解、聚合等過程形成的;乾酪根是腐殖酸進一步演化而成,既有原生的也有異地遷移而來的;碳黑則不同於腐殖酸和乾酪根,它是生物質和煤、油等化石燃料經過燃燒產生的。
  15. Main characteristic and innovative points : 1. the sensitivity analysis is first to applied in the reaction mechanism reduction of lpg combustion under premixed lean burn, that is, finding a reduced mechanism that only relates the principal component and skeletal mechanism but can produces similar predictions of detailed mechanism

    本文主要特色及創新之處如下: 1運用chemkin對化學反應機理進行簡化的能力,首次將敏感度分析法用於lpg在稀燃條件下化學機理的簡化,確定關鍵組分和主要反應,並把這個簡化機理應用到star - cd中進行計算。
  16. 3, considering of the combustion reaction controlled by multi - mechanism, calculated results showed combustion wave of the continual combustion also changed to an unstable combustion way, the combustion temperature and wave propagating velocity changed periodically. by changing factors about the reaction mechanism, results showed the periodic oscillation combustion was mainly caused by the effect and feedback between chemical reaction and thermal conduction

    3 、計算結果同時顯示, shs燃燒過程中的不穩定主要來源於燃燒過程的熱反饋造成的化學反應機理變化,在這種存在多機理控制的反應體系中,燃燒過程的溫度會隨時間變化而出現有規律的振蕩。
  17. Combustion reaction mechanism, combustion process craft, microstructures and powder characteristic were studied with many advanced experimentations and equipments

    利用多種實驗手段和分析方法,研究了合成zrb2的燃燒合成反應機理、工藝規律、產物的微觀組織及粉末特性。
  18. The hazards associated with liquid oxygen are exposure to cold temperatures that can cause severe burns ; over pressurization due to expansion of small amounts of liquid into large volumes of gas in inadequately vented equipment ; oxygen enrichment of the surrounding atmosphere ; and the possibility of a combustion reaction if the oxygen is permitted to contact a non - compatible material

    同液氧相聯系的危險有:會導致嚴重凍傷的低溫暴露;在通風不充分的設備里,小量液體汽化成大量氣體造成的過壓;周圍空氣的氧富集;如果氧接觸到不相容的材料而發生燃燒反應的可能性。
  19. Meanwhile, the structural stability of delithiated cathode materials is also improved by ti doping. it results in the suppression of thermal decomposition reaction of delithiated cathode material, which will produce heat and oxygen gas as the fuse of electrolyte decomposition and combustion reaction. hence, thermal stability of delithiated cathode material is also enhanced by ti doping

    同時,欽的摻雜增強了電極材料在脫鏗狀態下的結構穩定性,抑制了電極材料自身熱分解反應的發生,阻止了氧氣和熱量的釋放,減少或延遲了電解液的分解或燃燒反應,從而提高了電極材料的熱穩定性。
  20. The effects of the content, granularity and purity of the raw materials ( zirconium powder, viton and dicyandiamide ) on the combustion rate were measured and their effects on its detonation heat and its combustion heat were estimated. the investigation on the combustion reaction mechanism showed that surface decomposition of dicyandiamide was the control step of the combustion reaction. the slowdown and combustion - resistant effects of dicyandiamide were of endothermic characteristic

    測量了鋯粉、氟橡膠、雙氰胺等原材料含量、粒度、純度等對藥劑燃速的影響,估算了它們對藥劑爆熱和燃燒熱的影響,並對藥劑燃燒反應機理進行了探索研究,發現雙氰胺的表面分解是藥劑燃燒反應的控制步驟,其減速、阻燃作用具有吸熱特徵,氟橡膠對藥劑的熱輸出有較大貢獻。
分享友人