空氣油比率 的英文怎麼說
中文拼音 [kōngqìyóubǐlǜ]
空氣油比率
英文
aor- 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...
- 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...
- 率 : 率名詞(比值) rate; ratio; proportion
- 空氣 : 1 (大氣) air; atmosphere 2 (氣氛) atmosphere 3 (氣閘) air brake4 pneum ; pneumo ; pneumat ;...
- 比率 : ratio; proportion; rate比率計 ratio meter
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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 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。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 results showed that : ( 1 ) the application of the above optimization method is feasible in the process of vacuum residue hydrotreating. ( 2 ) shaft power is a small part in the operation fees of the hydrogen system and has little influence on the optimization results. ( 3 ) vent should be decreased to reduce energy consumption because of the high concentration of the cycle hydrogen after rebuilding of the unit
在pc - 133微機上進行了模擬和優化計算,結果表明: ( 1 )以復合形法為核心的可行路徑序貫模塊法在重油加氫過程中的應用是可行的; ( 2 )壓縮機軸功率在重油加氫的氫氣系統操作費用中所佔比例較小,對優化結果影響不大; ( 3 )裝置經過技術改造后循環氫純度過高,可以減少放空以節省能耗; ( 4 )建立的氫耗模型能夠可靠地計算現有裝置的循環氫濃度、溶解氫總量和裝置氫耗量。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。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。On the basis mentioned above, another mathematical model for the supercharged diesel was set up. according to this model some results of simulation calculations were given. the characteristics of operation of the diesel in wet compression : including the excess air coefficient, the cylinder temperature at the beginning of compression stroke, the maximum temperature in the cylinder, the cylinder thermal load, the specific fuel consumption, and efficiency of diesel engine were obtained
在此基礎上,又建立了增壓柴油機濕壓縮的數學模型,對噴水后柴油機的各性能參數,諸如過量空氣系數、氣缸進氣溫度,缸內最高溫度、氣缸熱負荷、比油耗、熱效率等進行了模擬計算,為增壓柴油機進口加濕技術的研究提供了理論依據。Regarding the long base - level cycles as skeleton, the middle ones as correlation unit, the stratigraphy framework of the studied area has been constructed. by analyzing the significance of the long base - level cycles in the stratigraphy framework, source, reservoir and cap has been revealed and described more detailedly, the time and space extent and involvement rule of which has become more clearly. thus, effective geological evidence and information can be provided, and petroleum exploration and development efficiency be improved accordingly
以長期基準面旋迴層序為骨架,以中期基準面旋迴層序為單元進行等時對比,建立研究區的等時地層對比格架,並對長期旋迴層序在層序地層格架中生、儲、蓋組合特徵進行分析,更為清晰地揭示和描述有利生、儲、蓋相帶的時空展布與演化規律,為提高油氣勘探和開發的成功率提供有效的地質依據和信息。分享友人