premixed combustion 中文意思是什麼
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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。 -
Phenomenological turbulent flame velocity model for premixed combustion
預混合燃燒現象學紊流火焰速度模型 -
Realization of low - temperature premixed combustion with diesel tr combustion system
燃燒系統實現低溫預混合燃燒的研究 -
Main characteristic and innovative points : 1. the sensitivity analysis is first to applied in the reaction mechanism reduction of lpg combustion under premixed lean burn, that is, finding a reduced mechanism that only relates the principal component and skeletal mechanism but can produces similar predictions of detailed mechanism
本文主要特色及創新之處如下： 1運用chemkin對化學反應機理進行簡化的能力，首次將敏感度分析法用於lpg在稀燃條件下化學機理的簡化，確定關鍵組分和主要反應，並把這個簡化機理應用到star - cd中進行計算。 -
A new hcci combustion system for diesel engine based on the technologies of multi - pulse fuel injection and the bump combustion chamber was developed by professor su wan - hua in necl of tianjin university. the premixed homogenous combustion is realized by the technology of multi - pulse fuel injection
天津大學內燃機燃燒學國家重點實驗室蘇萬華教授提出的基於多脈沖噴射技術和bump燃燒室的復合燃燒技術是一種能夠實現均質燃油混合氣快速燃燒的新hcci燃燒方式。 -
In this paper a perfect and flexible experimental system of low nox combustion is established firstly. the influences of the temperature of combustion, the air excess coefficient, a certain amount of vapor added in advance, the temperature of preheated air, adding microwave into gas before combustion, gas recycling combustion and the mode of combustion ( diffused and premixed ) on nox emission are analyzed respectively. the combustion of liquid petroleum gas is simulated with phoenics 3. 5
首先建立了完善靈活的低no _ x燃燒實驗系統，在實驗系統上完成了燃燒溫度、過量空氣系數、預先加入一定量的水蒸汽、空氣預熱溫度、對燃氣預先進行微波處理、煙氣再循環燃燒以及燃燒方式（擴散式與預混式）對no _ x生成的影響分析；採用phoenics3 . 5軟體進行了液化石油氣燃燒的數值模擬。 -
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。 -
This paper introduced a new partial premixed compound combustion mode engine in which some methanol was premixed in the introduction charge of the diesel. in such combustion mode ^ the premixed combustion part was increased, the diffusion, ambient was changed from air to methanol / air mixture for decreasing soot emission of the engine
本文介紹了一種新型燃燒模式，該燃燒模式是在柴油機的進氣中預混一定濃度的甲醇，從而大大增加了柴油機中預混合燃燒比例，原有的擴散燃燒的環境也因是在甲醇蒸汽和空氣的預混合氣中而有了顯著的改變。 -
With effective work in chemical kinetics mechanism, turbulent combustion, estimation of the initial and boundary conditions and the combination of the complex chemistry solver technology from the chemkin collection and the flow solver technology of star - cd, the success of the three - dimensional numerical calculation is first obtained in spark - ignited premixed - charge lpg single fuel engine
理論上以lpg發動機缸內三維燃燒模擬為主要內容，從化學動力學機理、湍流燃燒、確定計算的初始條件三個方面著手，首次將chemkin的處理詳細化學機理的功能和star - cd處理湍流燃燒的長處相結合，成功地對點燃式lpg發動機進行缸內燃燒三維計算，取得了較為滿意的結果。 -
Numerical simulation of laminar premixed combustion in a porous medium
多孔介質內層流預混燃燒的數值模擬 -
Premixed combustion of natural gas in a gradually - varied porous medium
天然氣在漸變型多孔介質中的預混燃燒 -
B ) applying the multi - fluid model to study premixed combustion in the combustor with the fluid being separated into 11 components, the air / fuel ratio being taken as the dominating attribute
採用了多流體模型來對燃燒室中的預混湍流燃燒進行數值模擬，根據燃料空氣混合比把燃燒室內的混合氣體分成11種流體； c -
We simulated the combustion process in large acceleration of diffusion fuel and premixed fuel of methane and air by phoenics
本文採用phoenics進行了甲烷和空氣在大加速場中擴散燃燒和預混燃燒的模擬實驗。
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