供油率 的英文怎麼說
中文拼音 [gōngyóulǜ]
供油率
英文
fuel supply rate-
In addition, the recycling of petrodollars is driving down interest rates providing an unsustainable boost to us private consumption
此外,石油美元的迴流正驅動利率下降,為美國私人消費提供了難以持久的推動力。The investigation has declared that the fuel injection with bq fuel pump had higher injection pressure, bigger fuel supply rate and shouter fuel supply duration, which would cause the fuel injection quantity and the fule - air mixture to increase during ignition delay period, the pre - mixed combustion to become acutely, and finally result in increased power levels of noise
研究表明,裝配bq噴油泵,噴油系統的噴油壓力較高,供油速率較大和供油持續時間縮短,使得滯燃期的噴油量增加,滯燃期內形成的可燃混合較多,預混燃燒劇烈,導致整機噪聲聲功率級增加。The author analyzes the change rules of fuel consumption and the mass of the main exhaust emission pollutants ( nox, pm, co, hc and carbon ) with the operating parameters ( speed and load ), points out that nox and pm are the primary exhaust emission pollutants which affect the turbocharge - intercooled diesel engine to reach the requires of emission regulations, and map the figure of compositive exhaust emission characteristic
分析了有效燃油消耗率及各主要排放污染物( nox 、 pm 、 co 、 hc 、碳煙)的排放量隨運轉參數(轉速n與平均有效壓力p _ ( me ) )的變化規律。指出nox與pm是影響增壓中冷柴油機排放達標的主要排放污染物,並繪制了排放綜合特性圖。這為該類型柴油機的性能分析提供了參考。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 system is different from traditional silicon controlled dephasing method, such speedy modules as whole controlled electric and electronic equipment igbt and high frequency pwm controlling methods are employed, and the voltage of exchanging power supply of motor of beam pumping units can be controlled automatically, so there is no problem of power factor being decreased brought by silicon controlled phase single controlled, power factor in power net of beam pumping units " motor is enhanced really
由於雙管齊下,電機電網側的功率因數得到了大大提高。與傳統的可控硅移相控制方式不同,本系統採用全控型電力電子器件igbt等快速模塊及高頻pwm控制方式,對抽油機電機的交流供電電壓進行自動控制,不存在可控硅相控角所帶來的功率因數變差的問題,真正提高了抽油機電網側的功率因數。Then, analytical work was carried out as follows : the ultimate analysis and physi - chemical analysis of the pyrolytic oil comprised a sketch of the fuel properties of the oil ; then, through the distillation analysis of the oil, the fraction composition of the " unrefined " oil was known. after that, a general knowledge of the aromaticity and saturation of the hydrocarbons in the oil was provided by the outcome of the ft - ir functional group analysis. also, from the analysis, the form of the polar functional groups and their distribution in different fractions of the oil were learned
文中首先對不同熱解溫度下熱解油產率進行分析討論,然後,針對熱解油品質進行了一系列分析:通過元素組成和理化特性的分析,對熱解油作為燃料特性有了一個大致了解;通過實沸點蒸餾分析,得到熱解油作為一種未提煉油的餾分分佈,並為后續熱解油餾分的細入分析提供了前提;通過對熱解全油和各窄餾分的ft - ir官能團分析,對熱解油的芳香性、不飽和性有了整體的了解,並且清楚了熱解油中的極性官能團存在型式及其在熱解油不同餾分中的分佈。This technology has been applied widely in many oil fields of america, russia, china and etc. gas feed system is one of very important part of oil production by gas gift
氣舉配氣系統是氣舉採油技術中很重要的一部分,主要負責油井供氣的管理和控制,其性能直接關繫到天然氣的利用率和原油產量。Mounting all our drills on structurally independent frames gives us the flexibility for mounting the drills on many different types of lorries, crawlers or trailers
所有的操作系統的動力,包括動力頭和加壓系統的動力,都是由汽車底盤發動機直接提供,或採用單獨的功率匹配的發動機(柴油發動機或電動機)提供.油耗低The model can be used to analyze accurately the effect of individual interrelated factor on production decline rate, support regulative countermeasures and modify the natural decline rate in an oilfield
該模型可準確地分析各相關因素對遞減率的影響程度,從而為制定控制油田自然遞減率的調整對策提供了依據。Leaving the rated load, especially with low load and free running operation, ihe efficiency of turbocharger and ratio boost pressure decrease, leading to the shortage of air in cylinders and worsening of combustion, and the economic, power and exhaust performances deteriorate
當偏離標定點,尤其在低負荷和空轉工況工作時,增壓器效率降低,增壓壓力明顯下降,導致氣缸供氣不足,缸內燃燒不良,柴油機的經濟性能、動力性能和排放性能將嚴重惡化。This article introduces the handle object and applied conditionetc. using the software the amount of test work can be decreased, the designing level of oilfiel surface technology canbe hightened, the practicality of the design raised, the production technology condition can be improved or optimized and the economic effency enhanced
氣舉是中原文東油田的主要採油方式.針對該油田連續氣舉開發過程中出現的注入氣利用效率低,綜合效益差的問題,建立了在供氣能力有限時的優化配氣數學模型,並給出了解析法求解過程.現場試驗表明,應用該技術可以實現連續氣舉井的合理配氣並提高油井產量,適合在油田推廣應用Heating boilers - part 6 : heating boilers with forced draught burners - specific requirements for the domestic hot water operation of combination boilers with atomizing oil burners of nominal heat input not exceeding 70 kw
供暖鍋爐.第6部分:帶有強制通風燃燒器的供暖鍋爐.帶有公稱熱輸入功率不超過70kv的自動燃油燃燒器的組合鍋爐家用熱水供暖操作的特定要求Because a hybrid ' s battery and motor can provide the boost required for acceleration or hill climbing, engineers can both downsize the car ' s engine and optimize it to run only at high - efficiency operating points that burn much less gas
由於混合車的電池和馬達可提供加速或爬坡所需的額外馬力,因此工程師可以縮小引擎,設計讓引擎只在耗油率最低的高效率運作點附近運轉。This text completely and systematically studies the status and the development of the pyrolysis and the fluidization of biomass, which distill the bio - oil in the domestic and international area, as well as the existing problems. this thesis primarily include following aspects : ( l ), by experimenting and measuring the energy ( heat value ) and the content of c, h, n chemical element of right 20 kinds of common biomass, on the base of the experimental result, and respectively established the biomass energy predict experiment formula with the element of h and c is from change, and passed the ro. os examination, which provides the basis and convenience for flash pyrolysis fluidization device energy to convert the rate to compute with biomass energy utilization calculation ; ( 2 ), proceeded the tg and dtg experimentation equal velocity ( 10 ? / min, 20 ? / min, 40 ? / min, 60 ? / min ) heating and constant temperature heating by studying on eight kinds of biomass samples, according to the experimental data and arrhenius formula, we established the dynamics model of pyrolysis of, then, using the goast - redfern and p function, we also solved the dynamics parameters and analyze out every kind of biomass ' s frequency factor and parameters of activation energy, and established the every kind of dynamics model of pyrolysis of biomass, all of these provide the theories and basis to make sure the reactor ' s flash pyrolysis work temperature scope design and the describing of pyrolysis reactor dynamics ; ( 3 ), in order to study and ascertain the process of heat completely getting to pyrolysis time of varied size biomass particles, we observed and measured the ratio of length and diameter ( l / d ) with the varied biomass through electron microscope, we concluded the l / d ratios usually is from 5. 0 to 6. 0, the average is 5. 3 ; ( 4 ), we studied the process of biomass transiting and the theory of complete pyrolysis time with the theory of complicated heat field, we got the time ( t ) of the varied size biomass particles arriving to complete pyrolysis, and we knew that the complete pyrolysis time and the time which get to the biggest production ratio are identical, all of these studies provide the theory base for design and forecasting the flash pyrolysis reactor solid state resort time ; ( 5 ), according to the above experiment result, synthesize to make use of the engineering the mechanics, engineering the material, machine the design to learn the principle, deduce, establish the theory of rotation cone flash pyrolysis reactor material resort time ( t ) and reasonable rotation velocity ( or frequency ) relation theory ; and ( 6 ), we gave the reactor ' s smallest cone angle certain, reactor cone wall strength design theory, the reactor production ability theory, the power design method and the critical rotation velocity theory
本文較全面、系統地綜述了國內外生物質熱解液化制取生物燃油技術研究發展現狀及存在的問題,主要研究內容有: ( 1 )實驗、測定了20種常見生物質的能量(發熱量)和c 、 h 、 n元素含量,根據實驗結果分別建立了以h和c為自變量的生物質能量預測經驗公式,並通過r _ ( 0 . 05 )檢驗;為閃速熱解液化裝置能量轉化率計算和生物質能量利用率計算提供了依據和方便; ( 2 )選擇了8種生物質試樣作了等加熱速率( 10 min 、 20 min 、 40 min 、 60 min )和恆溫加熱的tg和dtg實驗,根據實驗數據和阿倫尼烏斯公式建立了生物質熱解反應動力學微分方程,並採用goast - redfem積分法和p函數對其動力學參數進行了求解,解析出各種生物質的頻率因子和活化能參數,進而建立了各種生物質的熱解動力學模型,為科學確定反應器的閃速熱解工作溫度范圍及熱解反應動力學描述,提供了理論和依據; ( 3 )為研究和確定不同尺度的生物質顆粒中心達到全熱解的時間,在體視顯微鏡下對不同粒度的生物質顆粒的長徑比進行了實驗觀察和測定,得出生物質的長徑比( l d )一般在5 . 0 6 . 0之間,平均為5 . 3的結果; ( 4 )採用復雜溫度場傳熱學理論對生物質傳熱過程及充分熱解時間理論進行了研究,解析推導出了不同尺寸生物質顆粒中心溫度達到充分熱解溫度的時間( t ) ,得出了理論推導的充分熱解時間與最大產油率的熱解時間相一致的結果,為閃速熱解反應器固相滯留時間設計和預測提供了理論依據; ( 5 )根據上述實驗結果,綜合運用工程力學、工程材料、機械設計學原理,推導、建立了轉錐式閃速熱解反應器物料滯留時間( )與轉速(或頻率)合理匹配理論; ( 6 )提出了轉錐式閃速熱解反應器的最小錐角設計、錐壁強度設計、生產能力設計理論和功率計算方法及臨界轉速理論等。However, by comparison with flap nozzle servo valve which has been used widely and popularly by now, the torque motor of jet pipe servo valve has a larger rotary inertia. this causes low natural frequency of servo valve, and thus the response speed of jet pipe servo valve is slow. moreover, the jet pipe of servo valve has large flexibility, and it is easy to excite oscillations and noise in the valve, which is named self - excited oscillations and noise
然而與目前普遍使用的噴嘴擋板伺服閥相比,射流管伺服閥的銜鐵組件轉動慣量大,導致力矩馬達部分固有頻率低,從而響應速度慢,此外,射流管供油管柔性大,容易產生自激現象,這些缺點都使得射流管伺服閥的動態特性差,從而影響了它的工作性能。In the face of rising political risks in many producer countries, depleting reserves in oecd economies and weather disruptions elsewhere, we will soon have to come to terms with the need for drastic energy savings and efficiency gains
面對諸多產油國日益上升的政治風險、經合組織( oecd )國家正在枯竭的儲量、以及其它地區天氣原因造成的供油中斷,我們很快就不得不習慣于大幅度節約能源和提高能源利用效率。Prior to the opening up of edible - oil market, the supply shortage in costal provinces can be satisfied by purchasing soybean form northeast. accompanying the development of social economy and increasing demand for oil - used soybean and trade - policy change in farm produce, imported soybean, with its low price and high oil - containing supplant the northeastern soybean as the new supplier for coastal areas
隨著社會經濟的發展,對榨油用大豆需求的增加,伴隨著我國農產品貿易政策的變化,對國際市場上大豆及其相關產品如豆粕、豆油的市場準入門檻的降低,進口大豆以低價、含油率高而逐漸取代東北省區大豆成為我國南方省市大豆的供應者。When the diesel engine fueled with emulsified fuels containing methanol from 10 to 20 percent with the angles of injection adjusted, the performances of it can be improved, thermal efficiency is raised from 5 to 8 percent, temperature of exhaust and smoke are descended
如果對供油提前角進行適當的調整,柴油機燃用含有10 20甲醇的乳化液時,其性能得到改善,摺合燃油消耗率降低5 8 ,發動機的排氣溫度和煙度均下降。The results indicate that the fuel delivery advance angle corresponding to the lowest fuel consumption of diesel engine is as similar as that of e30 engine. with the increase of fuel delivery advance angle, nox emission enlarges and smoke reduces
結果表明: e30混合燃料發動機的最低燃料消耗率對應的供油提前角與原柴油機相當,隨供油提前角增大, e30的no _ x排放增加,但煙度降低。The engine emissions are decreased effectively and can meet the euro i emission standard by making intake vortex ratio and combustible chamber shape better, delaying injection timing, speeding fuel injection spray in combination with other optimization
通過改善進氣渦流比、改進燃燒室形狀、延遲供油定時、提高供油速率等改進措施,並進行優化匹配,降低了各項柴油機的排放,使該機型達到歐i排放標準。分享友人