燃燒特徵 的英文怎麼說
中文拼音 [ránshāotèzhǐ]
燃燒特徵
英文
combustion characteristic- 燃 : 動詞1. (燃燒) burn 2. (引火點著) ignite; light
- 燒 : Ⅰ動詞1 (使東西著火) burn 2 (加熱或接觸某些化學藥品、放射性物質等使物體起變化) cook; bake; hea...
- 特 : Ⅰ形容詞(特殊; 超出一般) particular; special; exceptional; unusual Ⅱ副詞1 (特別) especially; v...
- 徵 : 名詞[音樂] (古代五音之一 相當于簡譜的「5」) a note of the ancient chinese five tone scale corre...
- 燃燒 : (物質劇烈氧化而發光、發熱; 燒) burn; kindle; flame; set on fire; [化學] combustion; inflammation; ignition
- 特徵 : characteristic; feature; properties; aspect; trait
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Abstract : apply computer simulation to the distribution pattern of air - flow without considering the cold condition of the combustion and compare the flow patterns under different designed circumstances. and the effect of the design of the partition in the air way of the burner on the flow and mixture of gas and air is especially studied. the result shows that the design of partition plays a very important role in strengthening the mixture of gas and air, but increases the loss of the resistance in the air way and the total pressure of the air way in same working conditions needs increasing
文摘:應用計算機模擬的方法,在不考慮燃燒的冷態情況下,研究了熱風爐燃燒室內的氣流分佈規律.在此基礎上,比較了2種不同設計方案的氣流流動特徵,尤其是研究了燃燒器空氣通道內阻流板的設置與否對空氣和煤氣的流動和混合的影響.結果表明,阻流板的設計對加強空氣和煤氣的混合有著極為重要的作用,同時也增加了空氣管道的阻力損失,在同樣的工況條件下需要提高管道系統的總壓力The model computation reproduces the main features of the combustion history shown in fig. v-8.
模式計算再現了示于圖V-8中燃燒過程的主要特徵。To training the sample the article put forward a monitor type fuzz - c cluster arithmetic and using it to establish a standard pattern database. based on human cognize character, the article put forward a weightiness amend coefficient ( wac ) to denote the important extent of different character
經過實驗驗證,本文提出了一組描述火焰圖像燃燒狀況的特徵參數,並採用一種改進的聚類演算法- -導師型模糊- c均值聚類演算法對標準模式做了訓練,建立了標準模式庫。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。Grinding kinetic equation of coal characterized by particle size
電廠煤粉粒度特徵及其對煤粒燃燒的影響It is found that the liquid kerosene of injection upstream cavity could finish the process of atomization and evaporation in short distance, and enter into cavity through convection. aft wall is the primarily area of flame holding in cavity, and the only area when near the lean blowout limit, flame in area of fore wall are spread from it. cavity shear layer in reaction flow angle greatly to the main flow direction, and couldn ’ t reattach to aft wall anymore, it appears great difference in characteristics of cavity flowfield between non - reaction and reaction state
研究發現:凹腔上游噴注的液體燃料能夠迅速霧化、蒸發,並在較短距離內依靠對流輸運過程進入凹腔內部;凹腔後壁始終是凹腔火焰駐留的主要區域,在貧油極限時,也是唯一區域,並存在明顯的火焰由後壁向前壁的傳播過程;燃燒狀態下的凹腔剪切層以較大角度向下游主流發展,不再附著于凹腔後壁,與冷流中的凹腔流場特徵相差較大。Results also showed that the combustion wave of a continual one could change from the start unstable way, due to the effect of ignition, to a stable propagation way. this self - stabilization character means the combustion process of the model is a pure one to thermal equilibrium
同時發現shs燃燒行為有自趨于穩定的特點,這表明在自蔓延燃燒過程中熱量和物質的遷移具有典型的耗散特徵,即在這種條件下燃燒過程是一個趨向于熱力學平衡的物化過程。Especially, when - bi together with a little carbon black ( cb ) or copper salt is used, the catalytic effect is better ; the flame structures of the double - base propellants containing - bi are similar to the typical plateau double - base propellant, but the combustion temperature distribution has been changed because of adding the - bi ; and the active components of catalysts deposit on the burning surface of propellants and the quenched surfaces of propellants with various catalysts possess different structure
它與銅鹽和少量炭黑( cb )復合后,催化效果更優; 2 , 4 -二羥基苯甲酸鉍加入后,推進劑的火焰結構保持了典型平臺雙基推進劑的結構特徵,但改變了雙基推進劑燃燒波溫度分佈,炭黑和銅鹽的加入對2 , 4 -二羥基苯甲酸鉍的催化作用有很大影響;催化劑分解的活性組分富集在燃燒表面,不同催化劑使推進劑熄火表面形成不同的結構。The coating processes and quality checking methods for low temperature coefficient coated high - energy nitroamine propellant have been studied based on the experiment data treatment and comparison of ltsc propellant combustion properties in closed vessel with that in gun, we found that there are some combustion functions in closed vess el are similar to that in gun
通過對低溫感硝胺火藥在密閉爆發器和火炮膛內實驗數據的處理與比較,找出了其在爆發器和火炮膛內燃燒特徵相似的一些函數關系式,為利用密閉爆發器試驗模擬火炮彈道性能提供了基礎。The combustion and flow process of cavity flame holder with liquid kerosene fuel on room temperature were investigated experimentally, with different fuel equivalence ratio and injection schemes
在燃燒狀態下,對基於常溫液體煤油燃料的凹腔火焰穩定器的燃燒與流動特徵進行了試驗研究,並比較了不同當量比和不同燃料噴注方式。Through basal theory and experiment discussions, the following are obtained : there is a distinct difference more than 150 between the combustion exothermic reaction of coal and the decompounding endothermic reaction of caco3, which is the main component of crm, while few thermal reactions happen during the area of such difference in the crm without coal ; there is a one - to - one relationship between dta curve acreage and crm heat
論文通過基礎理論和試驗探討,得出煤燃燒放熱效應與生料主體成分caco _ 3分解吸熱效應之間有150以上的溫度差,對應白生料在差熱儀特徵峰溫度區間基本沒有熱效應, dta曲線峰面積與生料熱之間存在明顯的單一對應關系,從而提出用差熱法測定生料熱的設備開發思想。The research of propellant energy performance indicates that the special impulse and characteristic velocity are significantly depended on o / f ratio and weakly depended on chamber pressure
過氧化氫和pe燃料組合的能量研究表明:發動機的比沖和特徵速度與配比密切相關,與燃燒室壓強關系不大。Abstract : this paper has deseribed the principles of preparation and technological process about nitrogen - based sintering atmosphere by ammonium cracked and burnt. the chemical effect in sintering furnace is discussed. the effects of it on the carbon content of the iron base structure materials were studied. the superior feature and technical & economic value in saving energy, in cutting down the consumption of raw materials, in waking use of natural resources, in environmental protection, in safety, etc., have been brought to light
文摘:敘述了氨分解燃燒氮基燒結氣氛的制備原理與流程設計;探討了它在燒結爐中的化學效應;研究了它對鐵基結構材料碳含量與性能的影響;揭示了它用於粉末冶金鐵基結構件燒結時,在節能、降耗、資源利用、環保、安全等方面的優勢特徵與技術經濟價值。Abstract : considering the special burning situation inside industrial furnace firebox , an infrared calculation model with elimination of the influence of flue gas was established 2 - dimensional temperature patterns of furnace tube temperature in operation was obtained with infrared thermovision , which provides scientific basis for the optimization of process operation
文摘:針對工業爐內特殊的燃燒環境,從消除煙氣影響切入,建立了紅外計算模型,並利用紅外熱像儀獲得運行狀況中爐管表面二維溫度場及其變化特徵,為優化工藝操作提供了科學依據。The character of boiler combustion system and the causes of the faults are analyzed in detail. character signals which shows the status of boiler is extracted and the rule base for fault diagnosis is established
首先詳細分析了鍋爐燃燒系統故障的特點和產生這些故障的原因,並提取出能反映系統狀態的診斷特徵信號,建立故障診斷規則庫。Standard guide for characterization of coal fly ash and clean coal combustion fly ash for potential uses
有潛在用途的煤飛灰和凈煤燃燒飛灰特性表徵的標準導則It analyses the plasma electrical arc characteristic from the thermal and electrical characteristic and flame flow rate and the burning stability
從熱特性、電特性、焰流速度和燃燒穩定性的角度分析了發生器中等離子弧的特徵。The results indicate that auto - ignition occurs more easily when the igniter uses the cross injector with rearward facing step, the height of the rearward facing step influences the stability of the combustion flame, the longer the combustor characteristic length is, the more easily auto - ignition occurs
研究結果表明,採用帶後向臺階的橫向噴注器比氣液同軸剪切噴注器更易於自燃,後向臺階的高度對燃燒室火焰穩定有影響,燃燒室的特徵長度越長,越利於自燃。Moreover, the data processing method of accelerated life test is used to solve the problem of the reliability data conversion under different operating status to liquid rocket engine. and the counter power law model is introduced as the relation model between the characteristic life and the combustion chamber pressure, the accelerated life equation of the constant stress accelerated life test for the weibull distribution is obtained, through the accelerated life equation, the reliability estimate of different combustion chamber pressure is calculated
再次,採用加速壽命試驗的數據處理方法對液體火箭發動機不同工況下可靠性數據折算的問題進行了研究,引入逆冪律模型作為特徵壽命與燃燒室壓力之間的關系模型,得到了weibull分佈下恆定應力加速試驗的加速壽命方程,並通過加速壽命方程折算出不同室壓下的可靠度估計。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