混合氣形 的英文怎麼說
中文拼音 [húngěqìxíng]
混合氣形
英文
gemischaufbereitung/gemischbildung mixture formation-
The global environment consists of the atmosphere, the hydrosphere, and the lithosphere, a mixture of gases extending outward from the surface of the earth, evolved from elements of the earth that were gasified during its formation and the shallow ground water bodies that interflow with the surface water
全球的環境包括大氣圈、水圈和巖石圈以及從地球表面延伸出來的混合氣體,這種氣體形成時由地球表面的元素氣化或淺層地下水與地表水的交流。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 sequence of two patterns presence is changed alternately, that is, one pattern will appear at the second pulse of total pattern in this half cycle if it appears at first pulse in last half cycle. the stability of square pattern was studied by considering the interaction among the wall charges. the discharge moments of individual filament alternate from long one to short in the square pattern, which can been explained by using the breakdown and quench model through considering the wall discharge accumulated on the dielectric layers
實驗研究了正方網格斑圖與混合氣體的比例及外加電壓的關系,給出了班圖類型隨上述條件變化的相圖;實驗採用光學方法對正方網格斑圖進行了時空動力學測量,發現正方網格斑圖是由兩套正方網格斑圖相互嵌套而成,其中一套的微放電絲位於另一套正方形單元的中心,這兩套微放電絲交替進行放電;考慮到壁電荷之間的相互作用,研究了正方網格斑圖的穩定性;實驗發現正方網格斑圖的微放電絲放電時間間隔是長短交替變化的,考慮到電介質表面積累的壁電荷的作用,使用擊穿?熄滅方程很好的解釋了該現象。Referred and analyzed the developing and researching achievement of high turbulent combustion chamber on diesel engine in the world, the grooved combustion chamber is designed and developed based on the rationale of designing high turbulent combustion chamber and employed the effect of the grooved of the combustion chamber wall on the spray impingement
在分析和參考國內外柴油機高紊流燃燒系統開發研究成果的基礎上,根據高紊流燃燒室設計的理論基礎,利用矩形環槽對燃油噴霧撞壁效應能加速混合氣形成的機理,設計開發了在燃燒室側壁上加工有矩形環槽的燃燒室方案。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。According to the facts of chemical spill accidents in waterway transport, systematic analysis is made on the suitable dispersion models and source strength calculation models of multiple spilled substance, resource and environment respectively, so as to decide the poison and fire & explosion danger area of an accident through the way of dispersion simulation. to resolve the problem to the calculation of spill amount from tanks, calculation formulas on various types of tanks were worked out ; at the same time, research is carried out on the source strength calculation of mixtures with regard to the possible spillage of chemical mixture in waterway transport. for the sake of convenient application, a computer software for the simulation of dangerous area is developed which can provide great assistance to the decision - making of emergency response and reach the target of reducing the damage of the life, property and environment to the smallest degree
根據水運化學品泄漏事故的具體實際,針對各種泄漏物質、泄漏源和環境條件研究了各自適用的擴散模式和源強計算模型,以便通過擴散模擬確定事故的毒害和火災爆炸危險區域;為解決儲罐泄漏量計算困難的實際問題,推導了適用各型儲罐、液艙的泄漏量計算公式;針對化學品水路儲運泄漏事故中泄漏物質可能會以混合物形式存在的情況,探討了混合物的蒸氣釋放源強計算;為方便實用,開發了蒸氣擴散危險區域模擬計算機軟體,從而為事故應急決策提供了有力的輔助支持,以達到盡可能減少人員傷亡和財產損失,減輕環境污染的目標。This paper reports the droplet size and distribution, penetration and diffusionangle of fuel spray before and after impingement by multiple - picture overlapping photography and laser technology, as well as the fuel spray mixing and burning process in a direct injection diesel engine by high speed photography
本文介紹了用多次噴霧疊加攝影與激光粒子分析技術對燃油噴霧撞擊前後的粒徑、貫穿度以及噴霧錐角等因素變化所進行的觀察和測量以及介紹了利用雙像高速攝影技術對燃油束撞擊霧化形成的混合氣以及燃燒過程特點的研究。Lean burn concepts such as the homogenous a / f mixture gasoline lean burn engine or the direct injected gasoline engine may point the way of future automobile developments. a new point of view that the mixture preparation processes can been controlled by controlling fuel injection in multi - port fuel injection engine, in contrast to the traditionally point of view that the mixture formation is only controlled by induction flow
突破進氣道噴射發動機不依靠噴射生成混合氣,只能通過組織缸內空氣運動來形成這一傳統觀點,本文提出了在進氣道噴射發動機上通過可控噴油形成可控的缸內準均質稀混合氣,進而實現快速準均質稀薄燃燒的新概念。The arc physical characteristic of mixed gases ( ar + he + co2 ) and its effects on weld shaping were discussed
摘要採用鎢極氬弧焊對不同比例氬氦二氧化碳混合氣體的電弧物理特性及其焊縫成形進行了實驗。The mechanism and role of the bump combustion chamber in mixture formation of lean diffusion combustion and the main parameters that influence diesel secondary impingement jet were the major objective of the investigation in this paper in order to lay the foundation of improving the design of the bump combustion chamber
Bump燃燒室是直噴式柴油機實現hcci燃燒新概念的復合燃燒技術的關鍵。本文主要研究bump的機理,揭示bump在稀擴散燃燒混合氣形成中的作用,探索柴油撞壁射流的主要影響因素,為改進bump燃燒室設計提供依據。In the text, there analyzes the process of the mixture air and fuel in the two stroke gasoline engine and bring forward the specific solution to the improvementsing gasoline engine the high - press direct in - cylinder injection. this technology sprays the feul into the cylinder after the outlet vavle closed and scavengs the engine cylinder with pure and fresh air, which avoid the fuel escapes unburned
本文分析了二沖程汽油機混合氣形成過程,並提出了具體的改進方案,用缸內高壓直接噴射技術進行改造。缸內高壓直接噴射是在發動機排氣口關閉後向氣缸內噴射燃油,使用純新鮮空氣進行掃氣,避免了燃油短路損失。In the fourth chapter of the dissertation, on the basis of experimental researches for hydrogen - gasoline dual fuel engine, the researches on the form of the hydrogen - air mixture and effect of structural and operating parameters on the form of mixture and combustion has been conducted
本文在對氫-汽油混合燃料發動機試驗研究的基礎上,系統地研究了氫發動機混合氣形成方式,結構參數和運轉參數對氫發動機混合氣形成和燃燒的影響。The last or main injection pulse is set around tdc. when the diesel spray impinging on the combustion wall, the bump around the combustion chamber wall can strip off the wall jet and form a secondary spray in combustion chamber, so the fuel and air can mix well and homogenous
在主噴射時刻,利用燃燒室壁面的bump迅速剝離壁面射流,在空間形成二次射流,二次射流進入燃燒室空間后,再一次與空氣混合,形成相對均勻的稀混合氣。The direction of fuel spray after impingement and opening pressure of nozzle were important factors to influence fuel and air mixing and burning process
另外撞擊反彈方向和噴油壓力等也是影響混合氣形成和燃燒的重要因素。The experimental results also illustrated that it is importance of the fuelimpinge ment to promote fuel and air mixing and speed up burning process
混合氣形成及其燃燒過程的高速攝影研究結果表明,燃油束撞擊霧化對加快燃油與空氣的混合併促進其火焰擴展起到重要作用。The resistance of navigating vessel would be cut down and lead to the purpose of improving the velocity or decreasing the power of main engine while maintaining the velocity, if the technology of reducing the friction by microbubbles jetted from the bottom of vessels, which makes the water close to the vessel ' s bottom become the mixture or water and microbubbles and form a thin gas layer, could be applied in ships
如果把微氣泡減阻技術應用到船舶上,在船舶底部噴射微氣泡,使與船舶底部接觸的水變成水與微氣泡的混合液,形成一薄層氣膜緊貼在船底表面,就可以達到提高航速或航速不變減小主機功率的節能目的。The start of pulse injection, injection - pulse numbers, injection period of each pulse and the dwell time between injection pulses are controlled by a fircri injector system
它通過電控高壓共軌噴油器控制燃油多次噴射,從而控制燃油預混合氣的形成和著火時刻。The fuel injection law of diesel has a great impact on the forming of ignition mixture and the course of combustion
摘要噴油規律對柴油機可燃混合氣形成及燃燒過程有很大影響。Squyres and other team members suggest that the layered deposits they saw on these rocks could have formed from volcanic dust that either mixed with water vapour or acquired a thin coating of water at some later stage
斯奎爾斯和其他工作人員在這些巖石上發現了分層沉積,他們推斷這可能是由火山灰與水蒸氣或晚些時候覆蓋于地表的淺水層混合而形成的。Flow motion in intake duct of diesel engine is an important factor, which, affects the process of combustion and mixture of diesel engine
內燃機進氣道內氣體的流動對混合氣的形成、燃燒和排放有著重要的影響。分享友人