空氣燃油比 的英文怎麼說
中文拼音 [kōngqìrányóubǐ]
空氣燃油比
英文
airfuel ratio- 空 : 空Ⅰ形容詞(不包含什麼; 裏面沒有東西或沒有內容; 不切實際的) empty; hollow; void Ⅱ名詞1 (天空) s...
- 氣 : Ⅰ名詞1 (氣體) gas 2 (空氣) air 3 (氣息) breath 4 (自然界冷熱陰晴等現象) weather 5 (氣味...
- 燃 : 動詞1. (燃燒) burn 2. (引火點著) ignite; light
- 油 : Ⅰ名詞1 (脂肪; 油脂) oil; fat; grease 2 (姓氏) a surname Ⅱ動詞1 (用桐油、油漆等塗抹) apply t...
- 比 : Ⅰ動詞1 (比較; 較量高下、 長短、距離、好壞等) compare; compete; contrast; match; emulate 2 (比...
- 空氣 : 1 (大氣) air; atmosphere 2 (氣氛) atmosphere 3 (氣閘) air brake4 pneum ; pneumo ; pneumat ;...
- 燃油 : fuel oil燃油艙 [船舶工程] oil bunker; oil fuel tank; 燃油閥 fuel valve; 燃油鍋爐 oil burning boil...
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Afc air fuel control
空氣燃油混合比調節裝置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
選擇了等比例長孔式混合器控制空燃比;通過提高壓縮比來彌補動力性的損失;以動力性為主控目標,對最大功率點、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;通過空燃比的合理控制,直接改善發動機的動力性、經濟和排放指標;作為對缸內燃燒過程的理論分析,進行了燃燒特性的實驗測試;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比性測試。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,實現了燃料油與燃燒空氣最佳比例控制、燃燒爐出口煙氣溫度控制、燃燒爐進口煙氣溫度控制和安全聯鎖報警控制,提高了燃燒爐出口溫度的控制精度和燃料使用效率,為整個裝置提高產量和降低消耗提供可靠的保證。The wall film generated by the impinging sprays is the main reason of air - fuel ration control deviation under transient conditions
摘要由噴射燃油撞壁產生的進氣道內油膜是導致過渡工況空燃比控制偏差的主要原因。This additional fuel matches the additional air flow through so that the proper air-fuel ratio is maintained.
增多的燃油與增多的空氣流混合,因而保持了合適的空-燃比。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,得出了超燃發動機燃燒室流場的速度、馬赫數、壓力、靜溫、總溫和組元質量分數分佈及燃燒效率等性能參數,其中氫和甲烷的計算壓力分佈與實驗結果進行了比較。A new method is put forward on thermodynamics combustion model to make imitating research on egr - a software is made to calculate the amount of no from the gasoline by connecting with the practical condition in our country, starting with thermodynamics and experiment at the same time make a system research to influence by the exhaust gas returning system on the gasoline, such as exhaust gas, fuel economy, and power, finally a new thought is afforded for optimizing all the egr parameter in chapter 6
第五章採用上述診斷和預測模型對bj492q發動機進行了模擬計算和實驗研究,並探討了點火提前角、殘余廢氣系數、燃空比、壓縮比和火花塞位置對發動機性能的影響。第六章提出了基於熱力學燃燒模型對egr進行數值模擬的方法,系統地研究了車用汽油機加裝egr系統后對排放、油耗、功率的影響,並結合排放標準。提出了egr參數的全局優化的新思路。F a fuel - air ratio
燃油空氣混合比The advantages of hcci are numerous comparing with the traditional engine. relative to si gasoline engines, hcci engines are more efficient, because they have no elimination of throttling losses, use the high compression ratios and have shorter combustion duration. relative to cidi engines, hcci engines have extraordinarily lower emissions of pm and nox and can offer more power as high as cidi engines with the dilute homogeneous air and fuel mixture
與傳統的發動機相比均質壓燃( hcci )具有很多優勢:與火花點火汽油機相比, hcci發動機由於沒有節流損失,壓縮比較高,燃燒持續期短,其效率更高;與直噴柴油機相比, hcci發動機的碳煙和氮氧化物排放非常低,並且稀薄空燃混合氣可以產生與柴油機一樣高的功率。The air - fuel ratio closed loop control adjusts the air - fuel ratio near the theoretical value by controlling the supplementary air of supplementary valve based on the signals of oxygen sensor, running speed and water temperature and which is necessary condition for three - way catalyst converter to work more efficiently
空燃比閉環控制是根據氧傳感器、轉速和水溫信號,控制化油器后補氣閥補氣將空燃比控制在理論值附近,為三元催化轉換器高效工作準備必要條件,使其最大限度降低尾氣排放。Air filtration portfolio, air filters, valve, oil mist machine, filter valve, oil mist separator, micro - mist separator, stability activated solenoid valve, pressure gauge, micro - valve and vacuum valves, links the release of the closure - pressure valves, and pipe connection, a one - way valve, t - shelves, shelves, brackets, diaphragm - type flow switches, blades type flow switches, further growth actuator, the valve lock, precision valve, pressure switches, mechanical pressure switches, pneumatic control ratio positioning devices, and electric - gas ratio positioning devices, and telecommunications - pressure converters, electro - pneumatic proportional valve, filter valve, shuttle valve, gas - electric relay and gas indicator, delay pneumatic valve and cylinder fcl, plumbing fcl, mufflers and exhaust cleaner, the excess flow valve with silencer, a one - way valve, rapid valve, rapid joints, rapid valve with fcl, rapid joint sub - cluster gas, micro joints, gas pipes, pipe from the devices, and helical coils, pipes, channels, scissors, multiple fastener, high - speed rotary joint, 10000 threaded joints, and insert the tube joints, rotary joints began, 68. 25 rapid joints and hoses, hose fittings and rapid non - electrostatic
空氣過濾組合空氣過濾器減壓閥油霧器過濾減壓閥油霧分離器微霧分離器穩定啟動電磁閥壓力表微型減壓閥減壓氣閥三通釋放式截流閥壓力開關管接頭單向閥t型隔板隔板托架膜片型流量開關漿葉型流量開關增速繼動器鎖定閥精密減壓閥壓力開關機械式壓力開關氣控比例定位器電-氣比例定位器電訊號-氣壓轉換器電-氣比例閥過濾減壓閥梭動閥氣-電繼電器氣源指示器氣動延時閥氣缸限流器管道限流器消聲器排氣潔凈器限流閥帶消聲器單向止回閥快速排氣閥快速接頭快速排氣閥帶限流器快速接頭集束分氣微型接頭氣喉管喉管脫離器螺旋管排管管道剪刀多管扣件高速旋轉接頭萬用螺紋接頭插入式管接頭旋式緊鎖接頭難燃性快速接頭和軟管不帶靜電快速接頭和軟管The bump height and secondary wall - impingement distance were discovered to play an important role in producing a secondary space jet, reducing the quantity of fuel stuck on the wall and forming lean mixture, and their suitable values being 1. 0 - 1. 5mm and 0 - 2. 0mm respectively
發現bump高度及二次撞壁距離對撞壁油束形成二次空間射流、減少壁面燃油堆積以及形成稀混合氣有重要作用,且發現bump的高度和二次撞壁距離分別為1 . 0 1 . 5mm和0 2 . 0mm比較合適。Af air - fuel ratio
混合氣的空氣燃油比Air - fuel ratio
空氣燃油比It uses electronic control technology and places an oxide sensor in emission system, then according to the change of the rate of the air to fuel, adjust automatically the ejection of fuel. so it can improve dramatically the automobile performance. after installing three - way catalytic converter, it can make the pollutions lower 20 % ~ 50 % than the same vehicle, and the power of car reduce only 5 %
對于適合我國現階段的電子閉環控制lpg燃料混合系統進行研究,此方法採用電子控制技術,在排氣系統中安裝了氧傳感器,可以根據排氣空燃比的變化,自動反饋調節供氣量,使燃氣汽車性能得到改善,安裝三元催化轉換器后,可以使污染物排放較同等水平的汽油車降低20 - 50左右,而發動機功率下降僅達5左右。Afr air - fuel ratio
空氣燃油混合比Planar laser induced fluorescence ( plif ) was used to study the spray / wall impinging in constant volume vessel. the experimental result show that when fuel spray impinging on the plane wall, wall jet was formed while fuel impinging on a plane wall with a bump, when the wall jet meet the bump, a secondary jet can be formed. some parameters affecting the secondary spray were studied, including bump height, the secondary impinging distance, impinging distance and injector parameters
對傳統燃燒室和bump燃燒室內燃油空氣混合過程進行了對比研究,發現燃油撞壁以後在傳統燃燒室壁面形成壁面射流,這一層燃油濃度很高,很難與空氣混合,而在bump燃燒室內,壁面射流遇到bump后,會在空間形成二次射流,二次射流進一步能快速與空氣充分混合。Planar laser induced fluorescence ( plif ) and multi - dimensional cfd software was used to study the fuel - air mixing process in traditional combustion chamber and bump combustion chamber, the experimental and simulated result agree well in room condition. the fuel - air mixing process in high pressure and temperature in traditional and bump combustion chamber were compared. the result show that fuel and air can mix more quickly in bump combustion chamber than in traditional combustion chamber, fuel - air mixture in bump combustion chamber is more homogenous than in traditional chamber
進一步對高溫高壓下傳統燃燒室和bump燃燒室內燃油空氣混合好壞進行了對比研究,提出了衡量燃油與空氣混合好壞的三個指標,發現bump燃燒室內燃油能在更大的體積內與空氣混合, bump燃燒室內燃油比傳統燃燒室內燃油分佈相對更均勻, bump燃燒室內燃油濃度耗散率為傳統燃燒室內燃油耗散率2 . 8倍,能更快與空氣混合。Characters including : fuel atomization device replaced by gas sprayer, gas supply controlled by gas flux valve ; separate fuel supply from combustion - supporting air, regulate air supply through changing the electioneering voltage to make the fully burning and improve efficiency and reduce fuel consume ; arts and crafts are simple, the modification of the oil heater ' s configuration is little and the heating power is not below the oil heater ' s level ; because of falling the voltage of electioneering, greatly descend the noise of the sample machine compared with the original
其特點是:以燃氣噴頭替代原機燃油霧化裝置;以燃氣流量控制閥控制燃氣的供給;燃氣的供給與助燃空氣的供給相分離;通過改變主電機的電壓,調整空氣的供給量,使燃燒更加充分完全,並進一步提高了熱效率,降低了燃料消耗;工藝簡單,對原機型改動較小;樣機的加熱功率不小於原機型水平;此外,由於主電機電壓的降低,使樣機的整機噪聲比原機大大下降。This paper introduced a new partial premixed compound combustion mode engine in which some methanol was premixed in the introduction charge of the diesel. in such combustion mode ^ the premixed combustion part was increased, the diffusion, ambient was changed from air to methanol / air mixture for decreasing soot emission of the engine
本文介紹了一種新型燃燒模式,該燃燒模式是在柴油機的進氣中預混一定濃度的甲醇,從而大大增加了柴油機中預混合燃燒比例,原有的擴散燃燒的環境也因是在甲醇蒸汽和空氣的預混合氣中而有了顯著的改變。分享友人