氣室式發動機 的英文怎麼說
中文拼音 [qìshìshìfādòngjī]
氣室式發動機
英文
air-cell engine-
Dccsc divided - chamber carbureted stratified - charge engine
分隔式燃燒室混合氣層狀充氣發動機A study about the effect of combustion chamber passage configuration on air plow field is performed in a compression ignition natural gas engine with a separated combustion chamber using multi - dimensional computational fluid dynamics ( cfd ) code
摘要以分隔室式天然氣發動機為研究對象,利用cfd多維數值模擬計算軟體,研究了燃燒室通道結構參數對壓燃式天然氣發動機缸內氣流運動的影響。Virtual instruments technology was applied to build the measurement and control system and develop the software for the experiment, which improve the efficiency of the study. finally the velocity control experiment of sapc at several flight states was accomplished which has a good effect. the study has certain significances on developing electronic - electric cpcs
構建基於虛擬儀器技術的測控平臺,採用labview軟體開發測控軟體,利用實驗室的現有條件,結合某型電子/氣動式壓調器的實驗,完成了飛機在各種飛行狀態下所需的大氣壓力模擬艙內的壓力控制,取得了較好的效果。Fire protection, and surveillabce works as follows : electrical : 22. 8kv ; 27, 800kva ; three loading centers located in the power house, factory, and office building ; generator 2 800kw
電氣: 22 . 8kv供電設備容量三處負載及配電中心分佈於動力室與廠房發電機容量2800kw ,供緊急負載使用本配電系統處使用數字式電驛及電表,符臺現代化之電力監控新潮流。The convective term is solved by ausm + ( a sequel to ausm which means " the advection upstream splitting method " ). the 7 species 8 steps model and 7 species 7 steps model of hydrogen / air is used in the hydrogen reacting flowfield, the 9 species 5 steps model of methane, the 10 species 10 steps model of ethane and the 10 species 13 steps model of kerosene are used in the hydrocarbon reacting flowfield, the results of the distributions of velocity, mach number, pressure, static temperature, total temperature, species mass fraction and the combustion efficiency are gained, and the numerical results of the pressure of hydrogen and methane are compared with those of the experiment
計算中通量項採用ausm +通量分裂格式,氫反應流場採用氫/空氣的七組元八方程模型和七組元七方程模型,碳氫反應流場採用甲烷的九組元五方程模型、乙烯的十組元十方程模型和煤油的十組元十三方程模型,得出了超燃發動機燃燒室流場的速度、馬赫數、壓力、靜溫、總溫和組元質量分數分佈及燃燒效率等性能參數,其中氫和甲烷的計算壓力分佈與實驗結果進行了比較。On the base of engine tests, some conclusions, which are directive significance to the design of a prechamber spark ignited lpg engine, are drawn
進行了一系列發動機臺架實驗,得到實驗數據,並進行比較分析,得出了一些對預燃室式火花點火液化石油氣發動機設計具有指導意義的結論。The disposal of the valves and intake manifold structure not only affect fresh air charge but airflow in the cylinder, which immediately affect combustion efficiency and the performance of dynamic, economic and emission. the structure of the air distributing institution has influence on charging efficiency and the noise of engine. the combustion chamber affects compression scale which has great influence on dynamical performance ; f / v which affects the exhaust of hc ; squash area and clearance which have great influence on the intensity of squash
氣缸蓋的氣門排列方式與氣道結構形式影響進氣充量和氣流在氣缸內的運動,從而影響了燃燒效率,對整機的動力性、經濟性以及排放都有直接的影響;配氣機構的形式影響充氣系數和整機噪聲等;缸蓋燃燒室決定了影響整機動力性能的壓縮比,影響hc排放的f / v和對擠流起決定性作用的擠氣面積以及擠氣間隙,所以燃燒室對整機動力性、經濟性、排放等都有重要的影響;氣缸蓋是整機熱負荷與熱應力最大的部件之一,熱負荷過高將不利於發動機壽命以及可靠性的提高。In this paper, a calculation method of combustion heat release rate for the swirl chamber coal - bed gas engine is concerned. it can be a useful tool on analyzing the combustion processes for this type engine
另外,本文開發了一個渦流室式火花點火煤層氣發動機放熱率計算軟體,為分析這類發動機缸內燃燒過程提供一個有效的工具。In winter the outside temperature is - 15 ~ - 30, the wet coal freezes seriously in transportation. the frozen coal thick is about 400mm, sometimes freezes to a whole one, the unloading work is extremely difficult, affects the turnover of coal train, possessing rail cars and the railway, makes the railway transport strength not be fully displayed. it has created national manpower, financial resource loss, but in domestic and foreign, the development of movable frozen coal unloader is the blank
在冬季北方室外平均氣溫在- 15oc ~ - 30oc ,濕煤在外運的過程中凍結現象嚴重,凍層厚在400mm左右,有時整車凍實,作業十分困難,影響運煤列車的周轉,造成壓車,壓線現象,使鐵路運力得不到正常的發揮,造成了國家人力,財力的損失,而國內外對于移動式卸凍煤機械的研製也是空白,為此急需研製一種能夠卸凍煤的可移動式卸煤機。Their emissions are especially damaging, too ? partly because the nitrogen oxides from jet - engine exhausts help create ozone, a potent greenhouse gas, and partly because the pretty trails that aircraft leave behind them help make the clouds that can intensify the greenhouse effect
他們製造出的排放物質對大氣層的破壞也尤為嚴重? ?這一方面是由於噴氣式發動機工作產生的氮氧化物會促使臭氧的形成,而臭氧是一種強溫室氣體;另一方面是飛機掠過后留下的漂亮尾跡會有助於雲的形成,從而加強溫室效應。分享友人