混燒率 的英文怎麼說
中文拼音 [húnshāolǜ]
混燒率
英文
mixed fuel burning ratio-
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。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。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燃空氣的物理混合過程來強化和控制熱煤氣的穩定燃燒,並設計研製了一套適于熱煤氣燃燒的dgr型火焰可調式燃燒裝置,燃燒效率高,調節比大,運行操作安全可靠,已獲得國家專利。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,採用相應混合比的理論值,並用典型的燃燒效率系數來修正,通常這樣做是恰當的。Influence of hydrogen - air ratio on combustion efficiency for microcombustor
過量空氣系數對微細腔內氫氣預混燃燒效率的影響Contrast study on cold - flow mixing effect and combustion efficiency of afterburning chamber of solid rocket ramjet
固沖發動機補燃室冷流摻混效果與燃燒效率對比研究The process of mixing and chemical reaction in the second combustor is very complicated, many factors affect the combustion efficiency
然而補燃室內燃氣同空氣的摻混燃燒過程十分復雜,影響燃燒效率的設計參數很多。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、小型電站鍋爐燃燒系統參數時變、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、燃燒發熱值低、燃燒效率不高等問題,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比,實現最佳經濟燃燒,切實保障了鍋爐的經濟運行。In wavelength conversion based on four - wave mixing ( fwm ) in soa, balance efficiency can be obtained in larger range when increasing saturation power of the optical amplifier and decreasing the saturation power of spectral hole burning and carrier heating
而在基於soa的四波混頻( fwm )波長轉換中,在提高光放大器飽和功率的同時減小光譜燒孔( shb )和載流子加熱( ch )飽和功率可有效提高較大頻率間隔處的轉換效率,並保持其在較大頻率失諧范圍內的效率均衡。When it is co - fired with low heat value coal, heat utilization rate of boiler can raise 15 % compared with that of former boiler
與低熱值的煤混燒時,鍋爐的熱利用率與原鍋爐相比,可提高15 % 。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混合燃料與柴油的著火滯燃期隨負荷和轉速的變化趨勢基本一致; e30混合燃料與柴油則有所不同; eio混合燃料發動機的燃燒與純柴油相比,略有改善; e30混合燃料的燃燒特性發生明顯的變化,最高爆發壓力下降,最大壓力升高率減小,最大燃燒放熱率增大,最高燃燒溫度下降,滯燃期延長。Through malfunction of the tests of 810 research institute, the combustion performance of the hybrid motor and model about regression rate have been studied in the dissertation. the main aspects are as follows : the performance of the hno3 + n2o4 - htpb hybrid rocket motor were all discussed
本文結合航天科技集團公司810研究所正在研製的ak - 20l / htpb + al組合固液火箭發動機,開展了固液火箭發動機混合燃燒特性的數值模擬工作,在此基礎上給出固體燃料退移速率預示模型及預示結果。Ceramic grain filters ard made of refined pottery clays added with certain modifiers, and processed of grinding, mixing, shaping and high temperature sintering. they do not contain any substances that harmful to people or environment. they are hard and rough in surface, porous inside the structure, and have the advantages of high mechanical strength, large specific surface area and porosity. when used in water treatment, they behave a activated surface property, a great amount of pollutant entrapment, less water head loss in the filter bed, lower consumption of back - flush water, stable in chemical and gbiologic property, and long service life, ceramic grain filters is a new and efficient filter material to increase the water yield, upgrade the water quality, and save chemicals and energy
陶粒濾料是以精製陶土為主要原料,摻加適量改性劑,經粉碎,混練,成型和高溫煅燒而製成的,不含任何對人體和環境有害的物質.其表面堅硬,粗糙,內部疏鬆,多孔,具有機械強度高,比表面積大,孔隙率大的特性.用於水處理中,具有表面性狀好,截污能力強,過濾水頭損失小,反沖洗耗水量低,化學穩定性和生物學穩定性好,使用壽命長的特點.陶粒濾料是一種能增加水產量,提高出水質量,節省藥劑和能耗的新型高效過濾材料Moreover, it has been pointed out that the hydrogen engine used in ? cylinder injection with high pressure can increase volumetric efficiency and compression ratio, - therefore, the performance indexes in this engine, such as output power, thermal efficiency, range of thickness of mixture with normal operation and nox emission, can be improved, and it is possible for the engine to realize rapid combustion of thin mixture, so abnormal combustion, such as backfire, pre ? ignition, can be controlled effectively
指出了採用內部混合氣形成方式且高壓噴射的氫發動機,有利於提高充氣效率和壓縮比,從而改善發動機的動力性和經濟性;有利於擴展發動機正常工作的濃度范圍;並且有利於實現稀薄混合氣快速燃燒,從而可以有效地抑制早燃、回火及爆燃等異常燃燒和no _ x排放量。試驗指出了發動機的點火正時、噴射正時及噴氫量對發動機的性能、異常燃燒、 no _ x排放量有很大影響。The repeating experiments show this kind of emulsified diesel oil can reduce fuel consumption by at least 10 percent, smoke density and nox emission by more than 40 percent. and the exhaust temperature and the maximum combustion pressure also decrease. la addition, the experiments about emulsified heavy oil and emulsified mixture of heavy oil and diesel oil are done on 1135 diesel engine
經反復試驗表明該型乳化油與0 ~ #柴油相比平均節油率不低於10 ,主要排放物nox 、碳煙降低40以上,同時排溫和最高燃燒壓力降低,另外,在1135柴油機上進行了乳化重油和乳化重油與柴油混合物的試驗,結果表明燃油耗率和so _ 2排放均顯著降低。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 simulations results show that the spoiler is available to make the fuel and the oxidizer coming from the former to stay in the cavity for a long time, to let the fuel and oxidizer mix and burn completely. since there is a high temperature zone forming by vortex in the middle of the motor, it required a restricted thermal protection. the plate with holes decreased the vortex function in the cavity, which could not promote the combustion efficiency, but to decrease temperature in the cavity and be benefit to thermal protection of the wall
計算結果分析表明:擾流板可以使燃料和氧化劑在擾流腔內的滯留時間加長,促進燃料與氧化劑的摻混燃燒,提高燃燒效率,但由於渦流在發動機的中間部位形成了高溫燃燒區域,致使局部燃料和絕熱層燒蝕速率增大,加大了熱防護的難度;孔板結構減弱了擾流腔內迴流區的漩流作用,不能增加推進劑燃燒效率,但可以使擾流腔內的溫度降低,給壁面熱防護帶來好處。Jingdu complex compound ultra energy conservation drum wind stove and infrared super energy conservation natural wind stove absorbs old style commercial drum wind stove and natural wind type stoves advantages using moderized science and technology and war industry technology atmosphere mix preheating lutra rich oxygen smells raging fire type mechanism of combustion dffective innovation, development, development one kond new high, energy conservation, environmental protection product makes the average thermal efficiency to enhance the limit, energy - saving up to 35 % - 50 %, had achieved truly the firepower fierce, does not have the cartion deposition highly effective the energy conservation the environmental protection ideal effect
京都綜合體超節能鼓風灶和紅外線超節能自然風灶是在原有老式商用鼓風和自然風灶具的基礎上吸收兩者的優點,運用現代化科學技術和軍工技術,風氣混合預熱超富氧嗅烈火式燃燒原理大膽進行創新,科研,開發的一種新型高效,節能,環保產品,使其平均熱效率提高到極限,節能,節氣率高達35 % - 50 % ,真正達到了火力猛,無積碳,高效,節能,環保的理想效果。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
增加燃氣噴射速度有利於增強迴流區強度,頭部燃燒溫度上升,但速度太大則會減弱燃氣同空氣在進氣道下游的摻混燃燒,減少燃氣在室內停留時間,燃燒效率降低; 8燃氣射流與空氣流在進氣道出口直接撞擊不利於燃燒效率的提高; 9在適當范圍內增大空燃比能顯著提高燃燒效率。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比及兩種流體的實際摻混程度、摻混效率和二次燃燒效率; 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率起著主要作用。分享友人