進氣道氣流 的英文怎麼說

中文拼音 [jìndàoliú]
進氣道氣流 英文
inlet flow
  • : 進構詞成分。
  • : 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...
  • : Ⅰ名詞(道路) road; way; route; path 2 (水流通過的途徑) channel; course 3 (方向; 方法; 道理) ...
  • : Ⅰ動1 (液體移動; 流動) flow 2 (移動不定) drift; move; wander 3 (流傳; 傳播) spread 4 (向壞...
  • 氣道 : air flue; air passage
  • 氣流 : 1 [氣象學] air current; airflow; wind current; airstream2 [語言學] breath氣流紡紗 open end spinni...
  1. Tahir r b, molder s and timofeev e v. unsteady starting of high number air inlets - a cfd study [ r ]. aiaa 2003 - 5191

    梁德旺,袁化成,張曉嘉.影響高超聲速起動能力的因素[ c ] / / 2005年沖壓發動機技術交會論文集, 2005
  2. The effect of exit back pressure and length / height ratio of isolator on forebody / inlet flow field is analyzed and discussed in the paper

    本文還研究了隔離段出口反壓及隔離段長高比對場的影響。
  3. This demonstrates that for propulsion - airframe integration, this genus of inlet would be advantageous in keeping the stability of boundary layer coming from the forebody

    一體化設計時,該對保持前機體來附面層的穩定性十分有利。
  4. Numerical simulation of turbulent flow field supersonic inlet

    超聲速場的數值模擬
  5. For studying the performance of solid rocket ramjet under the influence of different flight conditions, it ' s significant to simulate the integrated flow field of inlet and combustor

    因此,開展超聲速/補燃室場一體化數值模擬研究對于考查飛行狀態對於火箭沖壓發動機性能的直接影響具有重要的現實意義。
  6. On the basis of these results, the relations of total - pressure recovery coefficient or flow coefficient and flight mach number, angle of attack and the second movable wedge angle of the inlet have been founded by hypersurface fitting, then the mathematical model of the inlet is established

    根據場計算結果並利用超曲面擬合方法建立了總壓恢復系數、量系數與飛行馬赫數、攻角及二級可調斜板角度之間的關系,由此得到了二元混壓式超聲速數學模型。
  7. When there are struts at the divergent parts of inlet, the total pressure recovery coefficients and the kinetic energy coefficients of inlet decrease, and the flow distortion index increases obviously

    擴壓段有側向支柱存在時,總壓恢復系數和動能系數均有所降低,而場畸變指數則顯著增大。
  8. The results prove that : ( 1 ) when the mach number of the flow at the exit increases, the total pressure recovery decreases, and the circular steady total pressure distortion coefficient, turbulence intensity and synthesis distortion increase

    研究結果表明: ( 1 )地面工作狀態下,隨著出口馬赫數的增加,蛇形出口截面的總壓恢復系數不斷下降,而穩態周向畸變指數、紊度和綜合畸變指數均上升,穩態徑向畸變指數變化不大。
  9. The analysis of the large - scale synoptic situation shows that strong precipitation is closely related to the explosion of monsoon and the intensification of cross - equatorial flow which bring a lot of vapor and meet with cold masses at the eastern of northwest district on 8th, june causing extremely heavy rainfall ; that subtropical high - level jet at 200hpa, subtropical high at 500hpa and low - level jet at 850hpa are the weather backgrounds favorable to strong precipitation ; that the pattern of eastern highs and western lows and the establishment of a low - level jet and the coupling between upper - and low - level patterns that determine that the rain occurred in the east of the northwest china ( on average, this is the rainy season for the south of china, but not for the northwest china ) ; that water vapor comes from southerly and easterly flow which converge at the eastern of northwest district with convergence mainly in lower levels and pbl ; that the high value of the whole - level apparent heat source < q1 > is near the area of large rainfall in the direction of northeasterly - southwesterly agreeable to shear line very well and the condensation latent heat releasing is main heat source with vertical advection item playing key role in q1 and q2 ; that there is a vertical secondary circulation crossing low - lever jet whose ascending branch is at the area of large rainfall ; that the construction of convection instability and conditional symmetry instability results that there is not only deep thermal instability, but also moisture influx and triggering mechanism of thermal instability causing strong torrential rain

    作為對比,本文還對2002年6月24 - 25日發生在北京地區的強地形雨行了分析,並討論陜南、北京地區兩地暴雨的異同點以及地形作用的共性和個性,為兩地暴雨預報提供有益的參考,得出了一些很有意義的結果: 1大尺度環背景分析表明: ( 1 ) 「 02 . 6 」強降水與6月上旬越赤和季風爆發密切相關,攜帶大量水汽的偏南與冷空於6月8日交匯在西北地區東部,導致了這次強降水的發生; ( 2 ) 200hpa的副熱帶西風急、 500hpa副高以及850hpa的低空急的配置非常有利於本文分析之陜西強降水的發展與維持。大尺度形勢分析表明,東高西低形勢場、低空急的建立和高低空形勢的配置決定了這場降雨出現在西北地區東部。與暴雨區相聯系,存在一支橫越低空急的經向垂直環,暴雨區處于該垂直環的上升支; ( 3 )偏南和偏東水汽通在西北地區東部交匯,水汽的輻合積聚主要在對層低層和行星邊界層內完成; ( 4 )整層的視熱源< q _ 1 >高值區在暴雨區附近呈東北-西南向分佈,與切變線走向非常一致,降水產生的凝結潛熱釋放是強降水區大的主要熱源。
  10. Finally, the inlet port and combustion chamber designed and machined is tested on 4100qb. the paper mostly investigates the change of performance targets of the engine that three different grooved chambers including two different re - entrant model and one w model match with various intake port and nozzles, in order to realize the influence of chamber geometry on combustion process. the results analyzed have indicated that re - entrant grooved chambers can enhance the turbulent intension in the chamber, improve the combustion proces of diesel engine on the altiplano, being groove, re - entrant and convex, and have the farther developing potential

    著重研究兩種縮口、一種直口矩形環槽燃燒室與不同、噴油嘴的組合方案發動機的動力性、經濟性及排放指標的變化,確定燃燒室的幾何形狀對燃燒過程的影響。分析結果表明,由於有矩形環槽、燃燒室縮口以及燃燒室底部凸臺,縮口矩形環槽燃燒室中的紊得以加強,改善了高原柴油機的燃燒過程,這種燃燒室有一步發展的潛力。
  11. Research on steady flow test rig for inlet port of an engine

    發動機試驗臺的開發
  12. Numerical simulation under - expanded supersonic impinging jet

    二元混壓超聲速三維動數值分析
  13. Sum up, the study of intake port is significant for the design of intake port and the development of engine. at present, the study of flow characters in intake port of engine mainly depends on experiment. numerical simulation is not universal, especially for the engine with dual - intake port

    目前,國內對發動機動特性研究手段主要依靠實驗,在實驗臺上行大量的實驗,既費時又費力,實驗方法顯得過于陳舊過時,已不能適應現代高性能發動機研製工作的需要,因此,採用多維數值模擬技術是一種有效的研究手段。
  14. Use commercial software numeca to calculate the flow - field of the inlet of the lsc with an insert - board, and analyze the flow - field. also a piv ( particle image velocimetry ) flow - field testing scheme is designed, but have not been carried out for some reasons, for reference only

    同時還利用numeca商業軟體對以這臺壓機為模型的在插板作用下的場計算及分析,另外還設計了piv場測量方案,因為種種原因沒有能夠最終行試驗,僅供參考。
  15. A parametric analysis of the inviscid effects of leading edge sweep, sidewall compression, width - height ratio, cowl position and inflow mach number on spillage is finished. numerical simulations are completed for a series of inlets at various flight height and velocity. the research indicates that the area of spillage window, which is mainly determined by the position of the cowl, significantly influences the spillage characteristic of the scramjet inlet

    闡明了側板后掠的側壓設計參數對構型溢影響;對不同側板配置方式的側壓式行了數值模擬,通過對比分析,發現由唇口板的位置所決定的溢窗面積的大小對特性的影響顯著。
  16. 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燃燒模型,並在該模型下對某實驗發動機行了三維數值模擬,研究了補燃室設計參數包括出口設計參數和燃發生器噴管設計參數對燃燒效率的影響。
  17. The performance of supersonic inlet determines the pressure and the air flux in combustor, then affect the work of ramjet

    超聲速的性能優劣決定了補燃室場內的壓強和空量,而影響到沖壓發動機的工作性能。
  18. The full flow field characteristics of a supersonic inlet are illustrated at design conditions ; the influence of attack angle on flow field of the inlet is investigated ; b - spline theory is used to model the inlet with attack angle

    給出了設計狀態下內外場特徵;分析了攻角變化對場的影響;以數值模擬結果為基礎,利用b樣條理論建立了反映攻角、馬赫數及可調斜板角度變化的超聲速數學模型。
  19. The improvement of the flow character in intake port improves the dynamic characters and economy. all this can be used to reduce the cost

    提高動性能,可以提高發動機的動力性和經濟性,這是降低經濟成本的有效方法之一。
  20. In this paper, the general theory and numerical solution procedure were described. by building a diesel modeling with vertical valves and a piston bowl, a whole cycle was calculated, which include intake stroke, compression stroke, expansion stroke and exhaust stroke

    通過對帶有、排門的柴油機行計算,模擬了一個完整循環內門和缸內動的全過程。
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