燃燒比率 的英文怎麼說

中文拼音 [ránshāo]
燃燒比率 英文
combustion ratio
  • : 動詞1. (燃燒) burn 2. (引火點著) ignite; light
  • : 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...
  • : Ⅰ動詞1 (比較; 較量高下、 長短、距離、好壞等) compare; compete; contrast; match; emulate 2 (比...
  • : 率名詞(比值) rate; ratio; proportion
  • 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
  • 比率 : ratio; proportion; rate比率計 ratio meter
  1. Abstract : in the research of internal combustion engine, recordingin - cylinder pressure and temperature is an essential technique to study the thermal cycle of internal combustion engine. the combustion analyzer developed in this study will give both the measurements at sampling points per crank angle or sampling cycle, calculate and show the real time parameters which decide the working process of internal combustion engine, such as pressure accelerating rate, indicateed mean effective pressure, cycle - to - cycle variation, heat release rate, etc. compared with the imported congeneric products, the analyzer has many advantages such as chinese interface, low price, easy operateing, convenience in maintainance and easy upgrading

    文摘:為了測錄內機缸內的壓力及溫度,開發了一種內分析儀.該分析儀由國產高速數據採集卡及自行開發的控制軟體組成.它不僅能精確設置每度曲軸轉角內采樣點的個數和採集循環數,而且在採集過程中能實時計算和表徵內機工作過程的壓力升高、平均指示壓力、循環變動、放熱等參數.經實際使用以及與國外產品相表明,此分析儀具有全中文界面、價格低、操作簡單、使用維護方便、功能便於擴充等優點
  2. Long - hole and geometrical proportion type of mixing unit is finally adapted in lpg supply system, and power and torque output of lpg engine are improved by increasing compression ratio, and ignition characteristic is tried to adjusted to satisfy engine performance. meantime emission performance and noise level of lpg engine at full - throttle and other various part - throttle operations are tested and compared with former gasoline engine. ( 3 ) it is verified by engine dyno tests that lpg engine has better synthesized performance at aspects of power and torque, fuel economy, as well as emission than former gasoline engine

    選擇了等例長孔式混合器控制空;通過提高壓縮來彌補動力性的損失;以動力性為主控目標,對最大功點、最大扭矩點、中等轉速、最低轉速點所對應的發動機轉速做了點火特性的調節;通過空的合理控制,直接改善發動機的動力性、經濟和排放指標;作為對缸內過程的理論分析,進行了特性的實驗測試;對原汽油機和新開發的液化石油氣發動機,進行了外特性和部分負荷特性以及怠速的排放及噪聲對性測試。
  3. The ratio of air to fuel for which perfect combustion takes place is called stoichiometry.

    實現完全時的空氣和稱為化學當量
  4. It could intensify and control the hot coal gas to have stable combustion by regulating the physical mixed process of hot coal gas and combustion - supporting air. furthermore, it designs and develops the dgr type flame adjustable combustion equipment, suitable for the combustion of hot coal gas and it has the advantages of high combustion efficiency, high turndown ratio, safe and reliable operation. it has obtained the national patent

    可以通過調節熱煤氣與助空氣的物理混合過程來強化和控制熱煤氣的穩定,並設計研製了一套適于熱煤氣的dgr型火焰可調式裝置,高,調節大,運行操作安全可靠,已獲得國家專利。
  5. This paper facous on the micro - computer control of the burning furnace system. taking to meet the requirements of the user ' s as basis, it is designed about computer in hardware and software it brings forward a scheme of intelligent & fuzzy - control based on 8098 single - chip micro - computer to get the best proportion of fuel oil and burning air, to realize the auto - contral of the temperature of flue gas in or out the burning furnace. so the accurate efficiency is received, this can ensure the ahf unit having a high production and low costs and energy

    在控制上以滿足新爐型的設計要求為基礎,進行了微機控制的硬體與軟體開發,提出了採用8098單片機進行模糊智能控制的設計方案,實現了料油與空氣最佳例控制、爐出口煙氣溫度控制、爐進口煙氣溫度控制和安全聯鎖報警控制,提高了爐出口溫度的控制精度和料使用效,為整個裝置提高產量和降低消耗提供可靠的保證。
  6. To solve this shortcoming maerz has developed a patented special type of pfr - kiln to burn stone sized between approx. 10 and 40 mm

    一種熱效普通併流蓄熱式石灰窯高的專利窯用來粒度大約從
  7. For design calculations, it is usually adequate to use the theoretical value for the approximate mixture ratio, corrected by a typical combustion efficiency factor.

    對于設計計算,採用相應混合的理論值,並用典型的系數來修正,通常這樣做是恰當的。
  8. Contrast study on cold - flow mixing effect and combustion efficiency of afterburning chamber of solid rocket ramjet

    固沖發動機補室冷流摻混效果與研究
  9. Aiming at such problems in combustion system of homemade middle and miniature boiler, as a complex system with the character of dead zone, time variation, serious non - linearity, large time delay, coupling and a lot of disturbance, this paper presents a new set of optimal control resources. by using well - matched control method on system, stable automatic running is realized. having the serious divulgence coals difference a lot from each other in character, instability of chemistry, value of lowest emission of heat, home - made boiler controller is not at all ideal. instead of traditional model that controls the ratio based on proportional control or with the correct signal of the amount of oxygen, this paper, combined with intellect control theory - - fuzzy control and self - optimizing concept, propounded a kind of fuzzy self - optimizing controller to be used in air supplying system of the boiler, and expatiates on the idea of dividing the control process into two parts, dynamic and static to realize, thus meets the demand of homemade boiler economic running

    本設計針對國產中、小型電站鍋爐系統參數時變、嚴重非線性、干擾因素復雜、耦合嚴重、模型不易確定的特點,提出多變量協調控制方案,解決了系統可控性差,難以實現穩定自動運行的問題;在此基礎上,改變以往以煙氣含氧量控制送風的傳統模式,針對國產電站鍋爐設備主體及一、二次送風迴路泄露嚴重,煤種混雜、成分不穩定、發熱值低、不高等問題,應用智能控制理論中的模糊控制技術,結合自尋最優控制的思想,設計了一種模糊自尋優控制器,應用在電站鍋爐送風控制系統上,並闡述了動靜態兩種實現途徑,通過在線優化風煤配,實現最佳經濟,切實保障了鍋爐的經濟運行。
  10. 3. on boiler retrofit, the calculation of fuel burning, the heat calculation of boiler inside structure and convection section, and the design of structure parameter of feed water heat exchanger are made. the flue gas channels " resistance calculation and the boiler strength verifying are also carried out. replacement of water cooling wall improves heat exchanging and decreases loss of heat radiant

    對鍋爐本體進行了計算、爐膛結構熱力計算、對流受熱面結構熱力計算、鍋爐給水加熱器結構參數設計、煙道阻力計算及鍋爐元件強度校核等;改進了水冷壁布置使換熱效果更好,減少輻射換熱損失;改進對流段結構,更充分的利用爐膛出口煙氣余熱,提高熱效;並且進行了煙氣阻力計算、熱效計算和能量平衡測試,對改進后的稠油料和改進前進行了對狀況和熱效有明顯改善。
  11. High burning heat ratio and low gas consumption. in comparison with traditional electric baker, it saves the power baker plus and power circuit cost, economic and practical

    熱效高且耗氣量少。與傳統電烤爐相,可省去電力增容和配電線路等所需支出,經濟實用。
  12. It ' s the first time to explore the combustion characteristics of lpg / diesel mixing fuel engine, and find that, with the change of load and rotation, the changing trend of the ignition delay period of e10 mixing fuel is almost as identical as that of the diesel, but that of e30 mixing fuel is very different. comparing with diesel, the combustion of e10 is improved slightly, but that of e30 greatly changes ; the maximum eruptive pressure decreases ; the maximum pressure increase rate decreases ; the highest releasing heat rate increases ; the highest combustion temperature falls ; the ignition delay period extends

    結果表明: e10混合料與柴油的著火滯期隨負荷和轉速的變化趨勢基本一致; e30混合料與柴油則有所不同; eio混合料發動機的與純柴油相,略有改善; e30混合料的特性發生明顯的變化,最高爆發壓力下降,最大壓力升高減小,最大放熱增大,最高溫度下降,滯期延長。
  13. In this paper combustion performances of the single - head annular combustor with different swirler cups are investigated by experiment and numerical simulation. under different fuel - air ratios, profiles of exit temperature 、 combustion efficiency 、 lean blowout limit and pollutant emission are measured

    在相同的雙級旋流器情況下,試驗分析不同油氣對單頭部環形室的出口溫度分佈、、貧油熄火油氣以及污染物( co _ 2 、 co和nox )排放等性能的影響規律。
  14. Effects of different fuel - air ratios and different geometric parameters of dual - stage swirler ( such as inner diameters of the primary swirl and secondary swirl passages, outer diameters of the secondary swirl passages, vane angle of the primary and secondary swirler, the distance of the flare exit from throat etc ) on combustion performances are studied experimentally. the experimental results show that radial profiles of the outlet gas temperature 、 combustion efficiency 、 emissions of co2 、 co and nox and lean blowout are affected with different degrees by the different geometric parameters of dual - stage swirler and the arrangement of primary holes

    在不同油氣下,不同的雙級旋流器幾何參數(例如:一級與二級旋流器出口內徑d 、葉片安裝角、二級旋流器出口外徑d 、二級旋流器的喉道到出口截面的距離l和喉道前後的圓弧半徑r以及主孔孔布局等)對單頭部環形室的出口溫度分佈、、貧油熄火油氣以及污染物( co _ 2 、 co和nox )排放等性能的影響規律進行了研究。
  15. The convective term is solved by ausm + ( a sequel to ausm which means " the advection upstream splitting method " ). the 7 species 8 steps model and 7 species 7 steps model of hydrogen / air is used in the hydrogen reacting flowfield, the 9 species 5 steps model of methane, the 10 species 10 steps model of ethane and the 10 species 13 steps model of kerosene are used in the hydrocarbon reacting flowfield, the results of the distributions of velocity, mach number, pressure, static temperature, total temperature, species mass fraction and the combustion efficiency are gained, and the numerical results of the pressure of hydrogen and methane are compared with those of the experiment

    計算中通量項採用ausm +通量分裂格式,氫反應流場採用氫/空氣的七組元八方程模型和七組元七方程模型,碳氫反應流場採用甲烷的九組元五方程模型、乙烯的十組元十方程模型和煤油的十組元十三方程模型,得出了超發動機室流場的速度、馬赫數、壓力、靜溫、總溫和組元質量分數分佈及等性能參數,其中氫和甲烷的計算壓力分佈與實驗結果進行了較。
  16. While the speed is very large, the fuel - air mixing behind the airstream is decreased and the span that the fuel flow in the second combustor is reduced, so the combustion efficiency is decreased, h ) if the fuel streams impinge with the airstreams directly at the air - inlet exit, it make against increasing the combustion efficiency, i ) increasing air - to - fuel ratio within proper range can increase the combustion efficiency

    增加氣噴射速度有利於增強迴流區強度,頭部溫度上升,但速度太大則會減弱氣同空氣在進氣道下游的摻混,減少氣在室內停留時間,降低; 8氣射流與空氣流在進氣道出口直接撞擊不利於的提高; 9在適當范圍內增大空能顯著提高
  17. The disposal of the valves and intake manifold structure not only affect fresh air charge but airflow in the cylinder, which immediately affect combustion efficiency and the performance of dynamic, economic and emission. the structure of the air distributing institution has influence on charging efficiency and the noise of engine. the combustion chamber affects compression scale which has great influence on dynamical performance ; f / v which affects the exhaust of hc ; squash area and clearance which have great influence on the intensity of squash

    氣缸蓋的氣門排列方式與氣道結構形式影響進氣充量和氣流在氣缸內的運動,從而影響了,對整機的動力性、經濟性以及排放都有直接的影響;配氣機構的形式影響充氣系數和整機噪聲等;缸蓋室決定了影響整機動力性能的壓縮,影響hc排放的f / v和對擠流起決定性作用的擠氣面積以及擠氣間隙,所以室對整機動力性、經濟性、排放等都有重要的影響;氣缸蓋是整機熱負荷與熱應力最大的部件之一,熱負荷過高將不利於發動機壽命以及可靠性的提高。
  18. But the real performance can be obtained is mainly determined by the ejected secondary mass flow rate, the mixing degree, the mixing efficiency, and the secondary combustion efficiency can be obtained. 2 ) the ejected secondary mass flow rate, the mixing degree and the mixing efficiency are synthetically affected by the configuration of rbcc engine, especially the mixer and the primary nozzle, in which the primary nozzle, including shape, number and distribution mainly determines the mixing degree ; while the mixer configuration primarily determines the mixing efficiency

    而實際能達到的性能則取決于實際的引射及兩種流體的實際摻混程度、摻混效和二次; 2 )引射發動機的構型,包括后體及一次流噴管的形狀、數量、配置等,對引射進來的二次流量、一次流和二次流之間的摻混程度和摻混效起著主要作用。
  19. It has extrude merit of wide applicability to fuel, high efficiency of burning, low letting of oxidenitrogen. great radio of charge regulation and rapid charge regulation

    它具有料適應性廣、高、氮氧化物排放低、負荷調節大和負荷調節快等突出優點。
  20. By comparing the results of two different lengths of xiaofang, it is found that the combustion efficiency with a smaller length is higher. moreover, the effect of various structure, such as the lengths of dafang, the angle between xiaofang and dafang is analyzed with a 2d model. the results show that the combustion chamber with smaller angle and length of dafang is better

    通過對不同小方段高度室計算結果的較,發現適當的減小小方高度將有助於提高;另外,還針對不同結構參數下的室二維流場進行了模擬,結果表明在一定范圍內增大突擴角和大方段高度可以使進行得更充分。
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