氣流穩定性 的英文怎麼說

中文拼音 [liúwěndìngxìng]
氣流穩定性 英文
airflow stability
  • : 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...
  • : 形容詞1 (穩定; 穩當) steady; stable; firm 2 (穩重) steady; staid; sedate 3 (穩妥) sure; rel...
  • : Ⅰ形容詞1 (平靜; 穩定) calm; stable 2 (已經確定的; 不改變的) fixed; settled; established Ⅱ動詞...
  • : Ⅰ名詞1 (性格) nature; character; disposition 2 (性能; 性質) property; quality 3 (性別) sex ...
  • 氣流 : 1 [氣象學] air current; airflow; wind current; airstream2 [語言學] breath氣流紡紗 open end spinni...
  • 穩定性 : antiwhip
  • 穩定 : 1 (使穩定) stabilize; steady 2 (穩固安定) stable; steady 3 (物質的性能不易改變的作用) stabi...
  1. 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,該進道對保持前機體來附面層的十分有利。
  2. Because uav is smaller and lighter than normal plane, the miniature aerial rs system is easily effected by wind, its " stabilities of position and stance are not good. because the load of uav is so finite, the large professional aerial photogrammetry camera can not be installed

    微型無人機遙感由於受到無人機平臺體積小、重量輕、任務載荷有限等因素的制約,在飛行作業中傳感器位置和姿態受影響大、差,而且目前是非專業攝影機成像,這些都大大增加了其影像幾何糾正處理的復雜
  3. Our factory by produces the air current spinning machine fitting product ( reeling thread, transfers cup, divides combs roller, pressure roller and so on ) primarily, while expands, the enhancementproduction scale, efficiency unceasingly, strives for the survival by the quality, does not hesitate the great riches to increase or to renew the equipment, purchases the domestic and foreign advanced precise numerical controls lathe, the processing center, the high accuracy grinder successively and so on hundred, causes the product quality and the processing craft has the good stability and thereliability

    工廠以生產紡紗機配件產品(紡紗器、轉杯、分梳輥、壓輪等)為主,在不斷擴大、提高生產規模、效率的同時,以質量求生存,不惜重資增加或更新設備,先後購進國內外先進的精密數控車床、加工中心、高精度磨床等百余臺,使產品質量和加工工藝具有良好的和可靠
  4. The methods reported by g. s. young in 2000, are applied on sea surface sar images featured by three dimensional convective cells. then the following parameters are retrieved from sar images : the characteristic wave length of three dimensional convective cell, the mabl depth, the vertical convective scale velocity, the surface buoyancy flux, obukhov length and the stability correction factor for sar derived sea surface wind speed

    針對海洋大邊界層中三維對渦旋sar圖像,用g . s . young在2000年發表的方法,反演三維對渦旋的特徵長度、海洋大邊界層高度、以及海洋大邊界層垂直對尺度速度、表面浮力通量、海面風速校正因子和obukhov長度。
  5. In the engineering background of a suspension bridge tender project, taking the bridge and the airflow as a whole system, the effectiveness of the surface in the flutter stability of the system is studied by a multi - mode flutter analysis approach

    以某懸索橋設計方案為工程背景,把橋梁與作為一系統,應用多模態顫振分析方法,研究了在主梁下風側設置翼板這種控制措施對改善該系統顫振的效果。
  6. Compared to other commonly referenced high - k materials, hfo2 is known for its stability on silicon and process compatibility. the fabrication and electrical properties of hfo2 and hfoxny gate are carefully studied. with the study on hfo2. we can receive a few significative conclusion : 1

    結果表明,與傳統的hf清洗的si表面相比, nh _ 4f清洗的si表面與hfo _ 2具有更好的熱力學,因而可獲得更低的eot和柵泄漏電密度; 3 )研究了濺射氛和退火工藝對hfo _ 2柵介質薄膜質的影響。
  7. In order to investigate the unsteady flow frequency domain performances of an axial flow compressor at different mass flow, rotating speed and blade row spacing, plus inlet flow distortion, and considering aerodynamic characteristics and stability of the compressor, the low speed research compressor ( lsc ) at college of energy and power in nuaa is used to carry out the experiment studies. a large amount of test data has been gained through dynamic pressure transducers embedded in the stator blades at the tip, middle and hub section, then fast fourier transform algorithm ( fft ) is applied to calculate the frequency data

    為探討軸機在工作量、工作轉速及動?靜葉排軸向間距變化時的葉片排場非常頻譜特變化規律,並耦合進畸變的影響,同時與壓能和相關聯,作者利用南京航空航天大學能源與動力學院的低速大尺寸軸機( lsc )試驗器,採取在靜子葉片表面埋入動態壓力傳感器的實驗方法,對葉尖、葉中和葉根三個截面的動態壓力進行了測量,獲得了大量的可靠的實驗數據。
  8. The work on seasonal dynamics of litter input and decomposition and the relationship between them and environmental factors was studied through the method of harvest and weight loss. soil respiration rate was measured by alkali - absorption method and the contribution from soil microorganism respiration and from root respiration was determined through trendline method of linear regression between soil respiration rate and belowground biomass. mathematical models were established between the seasonal dynamics of main components of soil total respiration including soil respiration, root respiration, soil microorganism respiration, litter respiration and environmental factors

    應用收獲法和重量損失法對枯枝落葉輸入與分解的季節動態及其與環境因子的關系進行了研究;應用靜態室法測了土壤總呼吸和凋落物呼吸,應用土壤呼吸量與地下生物量線回歸趨勢線法測了土壤微生物呼吸及根呼吸的貢獻量,運用相關分析法建立了土壤總呼吸、根呼吸、土壤微生物呼吸及其凋落物呼吸季節動態與環境因子之間的數學模型;應用灰色分析比較了兩群落土壤呼吸季節動態產生差異的原因;應用干重換演算法對土壤微生物能量積累量的季節動態進行了測,建立了土壤微生物能量積累量與環境因子的數學模型;應用系統分析方法,利用分室模型,對兩群落枯枝落葉與微生物之間的能量動進行了量測分析。
  9. Computational results show that the axial gas flow and the rotary flow, especially the axial gas flow plays the main role on the arc stability. the rotary flow can larger the region of the arc stability

    研究結果表明,縱向和旋轉對電弧的確實起作用,尤其是縱向,起著重要的作用,而旋轉對電弧的區域的增加效果顯著。
  10. The linear time perturbation theory is used in this paper, the effects of rotary flow, axial flow and both of them to the arc stability are discussed respectively. the corresponding equations and the boundary conditions are deduced

    本文採用與時間有關的線微擾理論,分別討論了旋轉、縱向的作用,以及它們共同的作用下電弧螺旋不的特徵。
  11. Great difference in pressure for two flow made pressure wave system and it help to extend the delay time for gas in chamber, which increases combustion effusion. second, to increase combustion effusion, the inlet temperature of air and gas should be enhanced in the range of heat releasing in chemical reaction. third, the first work condition is unburned absolutely and the second work condition is burnt in shear layer of inlet and the end of down wall zone in straight segment

    對于壓力差很大的兩股,所形成的壓縮波系的結構可以增加燃駐留時間,提高燃燒;為了提高擴散燃燒的效率,在保證能放熱的化學反應溫度范圍之內,應適當提高燃及空的來入口溫度;燃噴嘴應居於燃燒室軸線上,是改進超音速燃燒室結構的一種思路。
  12. It takes one hour to get the factory from cbd, beijing city. it covers an area of 20, 000 square meters and workshops occupy 13, 000 square meters. the all - sealed workshops provide a clean environment for manufacturing, the safety detective equipment and strict quality control system ensures reliability and sanitation standards of products

    工廠全封閉的生產車間確保了生產環境的清潔衛生,配套的生產設備匯集了當今所有軟填充玩具的專用機械,形成從自動沖壓下料,縫紉製作,壓訂眼直至機械填充,已初步形成了以水線作業方式為主的準機械化生產形式,確保了產品造型的一致和產品質量的
  13. Slope stability is analyzed according to rainfall intensities, prophase total rainfall, different soil slope gradients and vegetation by saturated - unsaturated seepage theory

    摘要在飽和非飽和滲理論基礎上,從降雨強度、前期降雨總量、不同的土坡坡度以及是否考慮植被護坡等方面對大降雨條件下土坡的進行了探討。
  14. The result of analysis shows that the convective heat flux has main effect on fuel pyrolyzing and vaporizing, the liquid layer of pe fuel can increase the regression rate but also can cause unstable burning. 4

    研究結果表明:對是引起燃料熱解化的主要因素, pe熔化產生的液體層提高了燃料熱解退移速率,但液體層厚度增加到一程度時,對發動機工作有負面影響。
  15. 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能和要求,本文建立了壓縮系統特和渦輪特的新模型,並分別採用改變渦扇發動機風扇進口導葉片、壓機導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,研究了其對發動機能和的影響,進而得出了渦扇發動機變幾何擴的方法,為發動機變幾何擴研究打下理論基礎。
  16. To study the aircraft - engine stability assessing technology about total - press distortion, four different structure insert - boards and testing schemes are designed, based on the technology of russian insert - board distortion and assessing compressor stability of english and usa. the low speed compressor ( lsc ) at college of energy and power in nuaa is used to carry out the all insert - board distortion experiments studies

    為了能夠更清楚地認識俄羅斯關于總壓畸變下的航空發動機的技術,本文在了解俄羅斯插板畸變試驗技術和英美等國家的技術的基礎上,設計了4塊不同結構形式的插板畸變擾器裝置及試驗測量方案,利用南京航空航天大學能源與動力學院的低速大尺寸軸機( lsc )試驗器,完成了各插板的畸變試驗。
  17. ( 2 ) retrofitted the small turbine of tai pin shao hydropower station in this paper. the results indicated that given the unchanged channels of the original runner hl240 - lj - 120 and satisfied cavitation condition and stability requirement, the electricity generated by the turbine generator increased from 3000kw to 3600kw when the design head was 36. 2m, which arrived at the expectant objective

    ( 2 )對太平哨電廠的小機進行了改造,在不改變原hl240 - lj - 120道並滿足蝕和要求,在設計水頭為36 . 2米時,水輪機發電機出力由原來的3000千瓦增容到3600萬千瓦,達到了預期目標。
  18. Darby, m. s. ( 1987 ), a general method for the stability analysis of stratified flows. q. j. roy. met. soc. ( submitted )

    層結切變氣流穩定性分析的一個常用方法,英國皇家象協會季刊。 (稿已投送) 。
  19. Abstract : concerning the models for discribing aerodynamic stability of axial flow compressor, the original model is one - dimensional, and it is reasonable for the onset of surge only. for the onset of rotating stall, there are just some two - dimensional models at published literatures. a three - dimensional aerodynamic of compressor has been presented in this paper. an aerodynamic stability model concerning radial disturbance of compressor is presented. the calculated results show that the occurrence of radial disturbance is related to the axial velocity disturbance, which has important effect on aerodynamic stability of compressor. the position of onset of stall, in blade tip or hub, is dependent upon the characteristics of blade element. the comparisons of calculated results predicted by 2d and 3d aerodynamic stability model have also been made in this paper

    文摘:軸機的模型,最初為一維模型,僅適用於描述喘振發作.對于旋轉失速發作,在公開文獻中有一些二維模型發表.本文提出了一類考慮壓機徑向擾動對失速影響的新的模型.計算結果表明壓機的軸向擾動往往隨著徑向擾動的產生,徑向擾動的強度影響壓機的,在葉尖還是葉根首先產生失速與壓機基元葉柵特密切相關.本文對軸機二維和三維模型的計算結果進行了對比分析
  20. Concerning the models for discribing aerodynamic stability of axial flow compressor, the original model is one - dimensional, and it is reasonable for the onset of surge only. for the onset of rotating stall, there are just some two - dimensional models at published literatures. a three - dimensional aerodynamic of compressor has been presented in this paper. an aerodynamic stability model concerning radial disturbance of compressor is presented. the calculated results show that the occurrence of radial disturbance is related to the axial velocity disturbance, which has important effect on aerodynamic stability of compressor. the position of onset of stall, in blade tip or hub, is dependent upon the characteristics of blade element. the comparisons of calculated results predicted by 2d and 3d aerodynamic stability model have also been made in this paper

    機的模型,最初為一維模型,僅適用於描述喘振發作.對于旋轉失速發作,在公開文獻中有一些二維模型發表.本文提出了一類考慮壓機徑向擾動對失速影響的新的模型.計算結果表明壓機的軸向擾動往往隨著徑向擾動的產生,徑向擾動的強度影響壓機的,在葉尖還是葉根首先產生失速與壓機基元葉柵特密切相關.本文對軸機二維和三維模型的計算結果進行了對比分析
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