空氣室發動機 的英文怎麼說
中文拼音 [kōngqìshìfādòngjī]
空氣室發動機
英文
air-cell engine-
Jacv jet air control valve
增壓發動機壓燃室空氣噴射控制閥Results from this thesis concluded that numerical simulation can be applied to study " effect of varying the incident angle of dilution air on the performance of the gas turbine combustor "
本文針對某種航空發動機火焰管模型結構，採用數值模擬方法對「摻混空氣噴射角度對燃燒室性能的影響」這一問題進行了探討。If air-bleed passages become plugged, they may cause the float bowl to be emptied after the engine shuts off.
如果空氣滲入通道堵塞，在發動機熄火后，會導致浮子室中的燃油流盡。Although a dual - mode scramjet ' s configuration is simple and mainly consists of inlet, combustor and wake nozzle, its working process is complicated, especially in the combustor, involving a lot of subjects, including hypersonic aerodynamics, combustion chemistry, etc. the inner flow of a combustor is three - dimensional and complicated, including the interaction of shock wave, deflagration, vortex and boundary layer, and so on
它涉及到高超聲速空氣動力學、燃燒化學、擴散傳質等多門學科；其內部的實際流動是復雜的三維流動過程，充滿著激波、膨脹波、燃燒波、各種渦系、附面層及其相互之間的干擾，因此，燃燒室問題是整個發動機研究的關鍵所在。Computational fluid dynamics ( cfd ) techniques are used to study and understand fluid behavior in tunnels. by simulating complex specific operational cases, we can educe velocity or flux distribution in tunnel under different ventilation and resistance situation and determine the favorable operational procedures of the erlang mountain tunnel ventilation in a fire case. comparison has been made between a simulation and experiment for some cases in order to prove the cfd model is powerful, so that enables the study of cases for which experimental data is not available
採用本文將隧道內的氣流看成是理想流體的一維恆定流動，通過對二郎山特長公路隧道半橫向通風系統建立隧道內的空氣動力學模型，利用計算機進行數值分析與計算，得出發生火災時，不同通風阻力條件下隧道中的風速分佈及流量分佈，並通過實驗室隧道模型實驗進行驗證與修正，依據研究結果給出了二郎山半橫向通風隧道的火災控制方案，從而解決了二郎山公路隧道通風對火災的控制問題，同時為半橫向通風公路隧道的火災通風提供科學的方法。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。Based on detailed analyze on turbine engine and ramjet, a new conceptive internal - rotor burnt rotating ramjet ( irbrr ) with an rotating cylinder in the center of rotor in which the revolved stream can be ram - compressed and burnt has been proposed and some primary research have been done as below : the scheme of structure, principles, thermodynamic cycle and performances of the new conceptive engine has been studied in the paper
本文通過對燃氣渦輪發動機和航空沖壓發動機的原理結構進行詳細分析並進行融合創新，提出了一種利用內置旋轉汽缸進行旋轉氣流沖壓壓縮和旋流燃燒的新概念內置燃燒室旋轉沖壓發動機，並進行了一些前期的基礎性探索研究，具體研究內容有:對旋轉沖壓發動機進行了總體方案設計、工作原理分析、氣動熱力循環和性能分析等概念性研究。And the finite element method ( fem ) was used to simulate the stress and deformation of the outer casing and the bearing chock. on the basis of the experiments and fem analysis, the strength and fatigue lifetime, the interaction of creep and fatigue lifetime, the creep lifetime of outer casing and bearing chock have been analyzed, at the end of trail, sem analyses of failure section has been conducted
同時對航空發動機燃氣渦輪外機匣和軸承座進行了有限元模擬計算，得到外機匣和軸承座的焊接處的強度和變形情況的模擬結果。根據試驗數據和有限元的計算結果，對發動機燃燒室外機匣和軸承座兩種結構（包含焊縫）進行靜強度分析、疲勞壽命分析、蠕變壽命分析、蠕變疲勞交互作用壽命分析以及斷口的金相分析。The performance of supersonic inlet determines the pressure and the air flux in combustor, then affect the work of ramjet
超聲速進氣道的性能優劣決定了補燃室流場內的壓強和空氣流量，進而影響到沖壓發動機的工作性能。As a kind of generating mechanical powers, gas turbin at present is widely used in aviation, electyic power stations and natural - gas transportation petroleum, railway and shipbuilding industry. combustor is an important component in the gas turbine. during the startup, it is important to realize the combustor ignited reliably
燃氣輪機作為一種動力裝置，目前廣泛的應用在航空工業、陸用發電、天然氣輸送、石油、鐵路、和造船工業中。燃燒室是燃氣輪機中的一個不可或缺的部件，在燃氣輪機啟動過程中，實現燃燒室可靠的點火至關重要。With computations and analysis, the comprehension on the mixing and combustion process is increased, and some significative results are listed below : a ) there are three recirculation regions and one vortex region in the combustor, and these recirculation regions affect the combustion process deeply, b ) increasing side - arm angle and moving side - air inlet position toward the fuel inlet can improve mixing and combustion characteristics, and increase the combustion efficiency, c ) when the angle between two air - inlets equals to 180
通過計算與分析，增進了對補燃室內摻混燃燒過程的理解，為固體火箭沖壓發動機補燃室設計提供了一些有意義的結果： 1補燃室內的流動十分復雜，存在三個迴流區和一個旋渦區，迴流區對摻混燃燒過程有重要影響； 2增大空氣入射角度、向前移動進氣道出口位置有利於增強頭部迴流區強度，增強摻混效果，燃燒效率上升； 3In 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。As an equipment for heating bus, truck and engneering vehicle chamber and preheating engine, oil heaters have been largely used all over the world
汽車空氣燃油加熱器作為客車車室、貨車駕駛室和工程車輛的取暖裝置以及預熱發動機的主要設備，已被國內外廣泛採用。分享友人