氣燒孔機 的英文怎麼說
中文拼音 [qìshāokǒngjī]
氣燒孔機
英文
gas lance-
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。Rapid cooling section is at the end of the firing section, cool the tiles by means blow environment air with high pressure fan into the tunnel directly through tiny holes in series of stainless steel pipes inside the tunnel
急冷設于燒成帶未端，由高壓離心鼓風機，經環境空氣通過總管、支管、手動球閥，直接將窯外冷空氣經不銹鋼管通過細孔高速打入窯內冷卻製品。We tested the ambient temperature compressive strength, the ambient temperature bending strength, volume density and the porosity of the sintered composites. by means of the om, sem, and x - ray, we analyzed the composites micro - structure ; we studied the dispersion methods & the mechanism of damage of the fiber ; we also did research on the reinforced mechanism and the fabrication characteristics of the fcmc
測試燒后試樣的常溫耐壓強度、常溫抗折強度、體積密度、氣孔率，並藉助于光學顯微鏡、掃描電鏡以及x射線衍射圖象對復合材料微觀結構進行了分析，探討了復合材料中纖維的分散方法、纖維的損傷機理、纖維增強al _ 2o _ 3復合材料的增強機理和及制備特性。Through observing the interface of porosity hap sintered at 1050, the gradient changing of pore size was observed that was like gradient structure of bone. in the compact layer there were a few about 50 y mpores and many about 5um micropores. in the porous layer there were many about 500um pores
緻密層存在少量的尺寸為50 m左右的氣孔和大量的尺寸為5 m左右的微孔，這是原料中殘留有機物燒失以及粉末顆粒燒結不緻密形成的；多孔層存在大量的尺寸為500 m左右的大孔，這是檸檬酸造孔劑燒失形成的，在大孔之間存在一些約50 m 、 100 m的氣孔。In order to study the regeneration mechanism of dpf in detail, we still need a mathematical model of the channel unit, which present temperature field and the soot reaction rate of the channel. finally, it points out the influences of various factors to the regeneration process by computing the numerical solution of model under different boundary conditions and geometry parameters, such as the initial temperature, the gas flow rate, the oxygen concentration, the sediment quantity and the wall thickness of the filters, and so on. in this way, the paper provides theoretical guidance for optimization design of the dpf
首先研究了干凈壁流式過濾體的加熱特性，然後在加熱和燃燒理論的基礎上建立了微粒捕集器再生過程的數學模型，並對模型進行了數值計算，得到了捕集器內部的三維溫度場分佈以及溫度梯度分佈，結果與實驗值吻合較好，驗證了模型的正確性;為了詳細的研究微粒捕集器的再生機理，建立了孔道單元數學模型，得到了孔道內的溫度場分佈和微粒反應速率分佈;最後，通過求解模型在不同邊界條件和不同幾何參數下的數值解，分析了各種因素對再生過程的影響，如過濾體初始溫度、過濾體內氣流的流動速率、氧濃度、微粒沉積量以及過濾體壁面厚度，為微粒捕集器的優化設計提供理論指導。分享友人