進氣噴管 的英文怎麼說
中文拼音 [jìnqìpēnguǎn]
進氣噴管
英文
aeration jet- 進 : 進構詞成分。
- 氣 : Ⅰ名詞1 (氣體) gas 2 (空氣) air 3 (氣息) breath 4 (自然界冷熱陰晴等現象) weather 5 (氣味...
- 噴 : 噴動詞1. (液體等受壓力而射出) spurt; spout; gush; jet 2. (噴灑) spray; sprinkle
- 管 : Ⅰ名詞1 (管子) pipe; tube 2 (吹奏的樂器) wind musical instrument 3 (形狀似管的電器件) valve;...
- 進氣 : air admission; admission; inlet; onflow; charging; access of air; admittance; air in; air intake;...
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This engine consists of an inlet, a combustor, and a nozzle.
這臺發動機由一個進氣道,一個燃燒室和一個尾噴管組成。In this thesis, based on pershing ii surface to surface missile, a new kind of ballistic missile was designed with an additional rocket engine, which can be ignited twice. firstly, aerodynamic computational models of missile body and warhead which reentry with supersonic are built according to the task requirements ; secondly, the propulsion system model of missile is built whose first two stages are solid rocket engines and the third stage is liquid - solid combined rocket engine. the nozzle and the shape of the engine are designed to meet the needs of the populsion project ; thirdly, the trajectory model of the mass point is built and a wavy trajectory is designed & optimized ; finally, the ability of a missile ' s breaking through defence is analyzed
以美國潘興導彈為原型,增加可兩次點火的末級發動機,改裝成具有跳躍能力的地地彈道導彈;首先,根據任務需求,建立了導彈的氣動模型,並建立了彈頭再入時高超聲速氣動模型;其次,建立了導彈推進系統模型,前兩級採用了固體火箭發動機,第三級採用了固?液組合火箭發動機,並在總體方案要求下,對發動機噴管和外形進行了設計;第三部分,建立了導彈質點彈道模型,設計了一條跳躍式彈道,並對跳躍式彈道進行了優化設計;最後,對導彈進行了突防能力分析,從分析的結果可以看出,跳躍式彈道的突防能力比常規的拋物線彈道要強。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。Based on the comprehensive analyses of the various solutions in rarefied gas dynamics and the fact in this research, the modeling and calculation for the flow in micro nozzle are carried out by using the direct simulation monte - carlo method, and the analysis of internal flow variations under some different working conditions are performed
在綜合考慮了稀薄氣體動力學問題各種解法和本課題實際研究的基礎上,本文採用直接模擬蒙特卡羅方法( dsmc )對微噴管內流場進行建模和計算,並分析了各種工況下的內流場變化。Particle - carrying air enters the bag filter via the inlet, passing through a stopper ; at this point, heavier powders settle first, while lighter powders attach to the filter evenly ; the plc then controls the electromagnetic valve to trigger the membrane valve for input of pressurized air, which passes the venturi tube to flush the filter by shaking off powders into the collection chute, whereas the clean air passes through the filter to be released by the fan
控制電磁閥導引膜片閥輸入壓縮空氣,使其通過文氏管對濾袋進行噴洗,使得附著于濾袋四周之粉塵震落於集灰槽內,而乾凈空氣則穿透濾袋藉由送風機排出。Based on the analysis of regime of spray and heat transfer, the spray nozzles were redesigned to distribute liquid in the center area of th e tower and the gas inlet was enlarged to raise gas velocity
根據對順流式空塔的噴淋及傳熱模式的分析,重新設計了噴嘴,使噴淋液在設備中心附近集中;縮小了進氣管直徑,以提高進口氣體的流速。And those characteristics of compressor and turbine are put into the steady - state design and off - design performance program of augmented turbofan engine, to calculate the influence of the geometry changing of single component on the performance of engine
計算了單個可變幾何部件的調節(包括高壓壓氣機、高壓渦輪、低壓渦輪、混合器進口面積比和噴管喉道面積)對發動機穩態性能的影響。This paper studies the diffuser ' s influence on the fadw ' s running properties experimentally including the inner wall and outer wall of diffuser and the backpressure of the diffuser. to prevent the gas of fadw from leaking into the laser cavity because of the effect of layer and turbulence the leak - proof flakes are designed. first the method of the leak - proof flake design is studied and then its influence on the properties of fadw is studied experimentally
實驗研究了擴壓器對fadw工作性能的影響,提出了擴壓器結構和超音速噴管相對布局參考數據;研究了氣動窗口側壁防漏片的結構對氣動窗口性能的影響,並給出其工程設計方法;同時還研究了擴壓器不同的背壓對整個fadw作性能的影響,據此提出了擴壓器與引射器結合的設計方案,從而為大壓比、高性能的fadw的設計提供了進一步設計參考方法。In this paper, we focus on some typical nozzles of micron dimension being developed for micro - propulsion system in and abroad, and make modeling and simulation analysis of the performance of rarefied flow in the micro nozzle
本文針對國外研製的微推進系統所用典型微米級噴管,對稀薄氣流在微噴管內的流動性能進行了建模和模擬分析。With the rapid development of micro - satellite technology in china, micro nozzle being the key component of the micro - propulsion system has been paid much effort of research, in this realm, the simulation of rarefied flow in the micro nozzle is the key step for the design and performance improving of micro nozzle
隨著我國微小衛星研製的大力發展,作為微推進系統關鍵部件的微噴管研究成了重要的研究課題之一,對微噴管內流場稀薄氣流的模擬分析是微噴管設計和性能改善所需要解決的關鍵問題。In this paper, simple reacting flow model in solid - propellant ducted rocket combustor based on eddy break - up model is established. the model is used to simulate the three - dimensional combustion flowfields in an experimental motor. some factors how to affect the combustion efficiency are discussed in the paper, including air intake and gas generator nozzle
本文基於簡單反應的旋渦分裂模型,建立了固體火箭沖壓發動機補燃室內的湍流燃燒模型,並在該模型下對某實驗發動機進行了三維數值模擬,研究了補燃室設計參數包括進氣道出口設計參數和燃氣發生器噴管設計參數對燃燒效率的影響。It can be applied simply to diesel engine, because it is unnecessary to change engine ' s configuration. it only needs a set of water injection system of installation before intake pipe of diesel engine
在柴油機上應用該技術非常簡單,不需要對柴油機結構做任何改變,只需在進氣總管前安裝一套噴水系統。Abstract : optimum distances between primary nozzle exit and mixing tube inlet, static pressure recovery of the mixing flow in mixing tube 、 total pressure distributions at the exit of mixing tube 、 pumping coefficients and total pressure losses of the exhaust ejector systems with four different types of primary nozzles have been measured in the experiments
文摘:對4種主噴管組成的排氣引射系統的引射系數和總壓損失、各主噴管出口與混合管進口之間的最佳間距、混合氣流在混合管內的靜壓恢復及混合氣流在混合管出口處的總壓分佈等進行了測量和對比。To meet the needs for wider surge margin of the turbofan engine, a new model was developed to predict the characteristics of the fan / high pressure compressor and turbine in this thesis. several ways, including, variable inlet guide vanes of the fan, variable guide vanes of the high pressure compressor, the variable inlet area ratio of the mixer and the nozzle areas, were presented to enlarge the surge margin of the turbofan engine. meanwhile, a method of combined variable geometries for optimizing controls of inlet guide vanes of the fan, guide vanes and the first two stators of high pressure compressor, area ratio of mixer and noz zle areas was established
為了滿足下一代作戰飛機對推進系統的性能和穩定性要求,本文建立了壓縮系統特性和渦輪特性的新模型,並分別採用改變渦扇發動機風扇進口導流葉片、壓氣機導流葉片和前兩級靜葉片、混合室進口處內、外涵面積比和尾噴管面積,研究了其對發動機性能和穩定性的影響,進而得出了渦扇發動機變幾何擴穩的方法,為發動機變幾何擴穩研究打下理論基礎。The mixing of air and fuel can be improved, d ) adding air distributary valve at exit of air - intake can increase the amount of air bifurcated into the dome region, so the value of combustion efficiency is increased, e ) increasing gas generator nozzle number can improve combustion characteristics in the dome region and produce good condition for combustion progress, f ) when the fuel streams are ejected into the second combustor with a angle, the combustion efficiency is increased, g ) when the speed of fuel streams increased, the intension and temperature of recirculation region is improved
兩個進氣道在補燃室周向成180度布置,有利於增強燃氣同空氣的摻混; 4在進氣道出口增加空氣分流擋板,有利於增加進入頭部的空氣流量,提高燃燒效率; 5增加燃氣噴管數量能增強燃氣同空氣在頭部的燃燒效果,為燃燒的進行創造良好的條件; 6When liquid propellants are used the fuel and oxidize are fed under pressure to one or more combustion chambers and expanded to atmosphere through convergent-divergent nozzles.
當使用液體推進劑時,在壓力作用下,燃料和氧化劑輸送到一個或幾個燃燒室中,並通過收斂-打散噴管,排到大氣中。Abstract : through the study of inlet manifold of truck direct injection diesel engines, we studied the fundamental law of the utilization of gasdynamic effect in the inlet manifold to increase the volumetric efficiency in multi - cylinder engines
文摘:本文通過對車用直噴式柴油機進氣管的試驗研究,探討了在多缸柴油機中利用進氣管內的動力效應以提高充氣效率的基本規律。At the preliminary stage of burning the gas flows along the back surface of the submerged nozzle and no recirculation forms in the aft - end cavity. at the medium stage of burning a weak recirculation forms in the rear of aft - end cavity by the force of injection flow. at the end stage of burning the flow separates at the c ombustion channel and a strong vortex forms in the aft - end cavity
實驗結果表明,在發動機工作過程中隨著燃面的退移,燃燒室尾部的流動會發生很大變化,初始時刻背壁區加質流沿噴管背壁進入噴管,背壁區沒有迴流形成;中間時刻在加質流的驅動下背壁區後部形成較弱的迴流;結束時刻氣流在燃燒室壁面分離,背壁區形成強烈的迴流。The factors that have effect on the car ' s emission such as cleaning inside engine, size of three - way catalytic converter and leakage of exhaust system etc have been tested and analyzed, and some related parameters are determined. in order to ensure that the emission meets the requirements of the euro ii standard at one time, to pass the examination of 80000km durability, and to achieve excellent performance indicator while assuring the emission requirements, the design of intake manifold and camshaft profile is optimized, the test of engine performance and car ' s emission and environment performance have been conducted. through comparison by test, it is shown that the carburetor engine after retrofitting to electronic fuel injection engine has achieved good level in terms of emission and performance, and has been upgraded to the same level as the engine of japan mitsubishi and suzuki
為了滿足國家環保法規不斷提高的要求,本文對化油器式發動機改造成電控燃油噴射式發動機進行了研究與開發;確定了工程方案和開發目標;對機內凈化、三元催化器體積、排氣系統漏氣等對整車排放的影響進行了試驗和分析,確定了相關參數;為了確保對整車排放的影響進行了試驗和分析,確定了相關參數;為了確保排放一次通過歐標準,並完成8萬公里耐久性考核,在確保排放的同時達到良好的性能指標,對進氣歧管、凸輪軸型面的設計進行了優化;並進行了發動機性能測試,整車排入測試和環境性能測試。This system captures the rack position signal and rotate speed signal of the fuel injection pump, and calculates the circulating fuel injection quantity by programming the computer. then the computer is programmed to control the daq board to generate a certain width pulse. finally, controlled by the pulse, the alcohol injection system injects a certain quantity alcohol into inlet manifold according to a setting diesel / alcohol proportion
該系統採用了在labview平臺上開發的pc總線?插卡式虛擬儀器系統,系統通過採集噴油泵的供油拉桿位置信號和轉速信號,利用計算機計算得出柴油的循環噴油量,再根據程序設定的柴油/酒精比例控制數據採集卡發出一定寬度的脈沖,控制低壓酒精噴射系統按比例將酒精噴入進氣歧管。分享友人