稀燃發動機 的英文怎麼說
中文拼音 [xīránfādòngjī]
稀燃發動機
英文
leb lean -burn engine-
Test method for diesel fuel diluent in used diesel engine oils by gas chromatography
用氣相色譜法測定用過的柴油發動機油中柴油燃料稀釋劑的試驗方法First in an 150 - 550 temperature range, the influence of oxygen concentration, space velocity and propene concentration on the no conversion was investigated and then also the macro kinetics of propene oxidization and no reduction
本文研究了在pt al _ 2o _ 3催化劑上進行的hc - scr反應，用以稀燃發動機尾氣的治理。首先在150 - 550溫度范圍內考察了氧氣濃度、空速及還原劑濃度對no轉化的影響。Investigations also show that the catalyst shows good heat resistance in the presence of water and demonstrates high capability for mitigating sox poisoning. in the end, a novel way controlling combustion is employed in a 1. 342l s. i. engine, in which lean - burn, fast burn ( tumble ) and delay ignition make the engine provide much cleaner exhaust gas than that of a conventional premixed s. i. engine
最後綜合採用機內凈化和排氣后處理并行策略，即稀燃、快燃（滾流） 、推遲點火的可控燃燒新方案，結合分子篩稀燃催化器，在稀燃發動機典型工況下，在保證燃油經濟性較原機改善14 . 8 %時， nox的排放大幅降低。Leb lean - burn engine
稀燃發動機A multizone p - pdf is applied to calculate the instantaneous rate of no _ ( x ) with high turbulent conditions in the lpg engine. 4. construct an experimental spark - ignited premixed - charge lpg single fuel engine with universal wide range exhaust gas oxygen sensor
4建立稀氧傳感器反饋控制的lpg發動機實驗系統，準確控制發動機的實驗參數和工況，得到不同空燃比、不同點火提前角、不同燃料成分時發動機的動力性能和排放性能。The paper introduces development and research of foreign gas engines and describes briefly lean - burn combustion, egr, structure of pre - combustion as well as application of turbocharger and miller cycle and analyzes the effect of the technologies on emission and efficiency of engines
本文介紹了目前國外氣體機的發展技術研究現狀，並對稀燃技術、 egr技術、預燃室的結構、增壓器的採用和米勒循環的應用等技術作了簡要介紹，簡要的分析了這些技術對發動機的排放、效率的影響。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 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。Optimization and lean burn of lpg for small si engine
用於小型點燃式發動機的性能優化與稀薄燃燒Numerical analysis of intake process in mpi lean burn natural gas engine
電噴稀薄燃燒天然氣發動機進氣過程的數值解析Modern engine thin - petrol technique
現代發動機稀燃技術Investigations on a lean burn engine show that nox can be removed by using hc and co in the exhaust gas as reducing agents. when the catalyst is used, the rate of nox conversion can reach a maximum of 74. 4 % at 400
稀燃發動機臺架實驗結果表明，催化劑抗硫中毒、抗高溫以及抗水蒸氣能力較強；最大nox轉化效率達74 . 4 % ；最大nox轉化率排氣溫度點在400附近。Through adjusting the controlling fuel injection - - regulations of the two injection timings and proportions, an adequate air and fuel charge stratification was produced - we call it quasi - homogenous mixture and the lean burn was successfully realized in a product 4 - valve s. i. engine whose structures are n ' t changed at all. investigations show that twice electronic fuel injection can make the lean limit ( a / f ) increase by 1. 5 - 2 units ; the fuel consumption and exhaust emissions are improved remarkably, in partial load, compared with the product 4 - valve s. i
研究結果表明：兩次噴油可拓展發動機稀燃極限1 . 5 - 2個空燃比單位，最高達23 . 5 ；發動機燃油消耗同原電噴發動機相比可降低19 . 1 % ；整個空燃比范圍內，經過優化的兩次噴油稀燃的最低油耗較單次噴油稀燃下降6 . 5 %左右，各種排放物機內生成量均有大幅度下降。Engine, the fuel consumption decreases by about 19. 1 %. on the other hand, the fuel consumption of quasi - homogenous mixture lean combustion decreases by about 6. 5 % compared with homogenous lean mixture combustion. three - ways catalyst ( twc ) + optimizing afr technology is used to remove nox emissions in oxygen containing exhaust gas
本研究運用三效催化器+空燃比優化控制技術，利用三效催化器能一定程度降低nox排放的特點，控制發動機在優化空燃比下工作，將稀燃後排氣中剩餘不多的nox進一步催化。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。Standard test method for diesel fuel diluent in used diesel engine oils by gas chromatography
氣相色譜法測定用過的柴油發動機油中柴油燃料稀釋劑的標準試驗方法The purpose of this study is to develop a three - dimensional numerical calculation model for spark - ignited premixed - charge lpg single fuel engine, which includes chemical kinetics submodel, ignition submodel, turbulent combustion submodel and emissions submodel. the conclusions obtained from this study provide a principle guide for optimum design of combustion system and to obtain satisfying characteristics in emission, performance and economy of lpg engine upon suitable structure and operating parameters, such as compression ratio, valve timing and spark timing
本論文的主要研究目標是單燃料lpg發動機的結構參數和運行參數對發動機性能的影響，以建立針對點燃式lpg發動機的三維燃燒模型，包括化學動力學模型、點火模型、湍流燃燒模型、排放模型為主要技術手段，並將燃燒模型計算結果和採用稀氧傳感器反饋控制的lpg實驗發動機上實測數據相比較驗證。Testing of lubricants ; test for fuel diluent in used automotive engine oils ; gas chromatography method
潤滑劑試驗.汽車發動機燃油使用的燃料稀釋劑的試驗分享友人