徑向進氣 的英文怎麼說

中文拼音 [jìngxiàngjìn]
徑向進氣 英文
radial intake
  • : Ⅰ名詞1 (狹窄的道路; 小路) footpath; path; track 2 (達到目的的方法) way; means 3 (直徑的簡稱...
  • : 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...
  • 進氣 : air admission; admission; inlet; onflow; charging; access of air; admittance; air in; air intake;...
  1. The results indicate that : the high positioned air inflow do good to heat transfer in rotator disk ; different size of radial outflow have small effects on flow and heat transfer ; the heat transfer near rotating disk increases as rotating reynold number increases or non - dimensional mass flow rate increases

    結果表明,高位軸對轉盤換熱有利;不同的出口大小對盤腔內的流動換熱影響不大;隨旋轉雷諾數和無量綱質量流量增加,轉盤盤面的換熱效果增強。
  2. By comparing the results with relative experiment data, it is shown that rng k - is more exactly than the other turbulent model. 2 ) the influences of axial inflow position, radial outflow size, rotating reynold number, non - dimensional mass flowrate and axial inflow angle on the flow and heat transfer characteristics were numerically investigated for a typical rotator - stator cavity with axial inflow, radial inflow and radial outflow. the correlations for average nusselt number vs rotating reynold number or non - dimensional mass flowrate were established

    ( 2 )針對一典型的、軸的轉-靜盤腔結構,系統研究軸位置、出口大小、旋轉雷諾數、無量綱質量流量和軸垂直預旋等對盤腔內流動和換熱的影響,整理出轉-靜盤腔內轉盤平均努謝爾數與旋轉雷諾數無量綱質量流量之間的準則關聯式。
  3. In this thesis hydraulic experimental studies and theoretical analyses on the vortex - flow drop shaft were conduced and the following results were accomplished : ( 1 ) in the model test some hydraulic characteristics including the shape of air core in the center of the drop shaft, the radial distribution of water flow velocity and the distribution of pressure on the wall of the drop shaft were measured under the condition of high water head above 250m and large discharge above 1400m3 / s. ( 2 ) a kind of computational method for the spiral water flow in the air core region of drop shaft was discussed and applied and the results agree the experimental data well. ( 3 ) the total ratio of energy dissipation in the drop shaft can reach 90 % and the energy dissipation in every region was discussed quantitatively

    本文通過試驗研究與理論分析對旋流式豎井泄洪洞應用於高水頭、大泄流量情況時存在的一些水力學問題行了研究和探討,取得以下主要成果:一、結合小灣工程導流洞改建,對高水頭( 252m ) 、大泄流量( 1400m ~ 3 s )條件下旋流式豎井中的水流運動特徵行了比較全面的測量,包括空腔形態、流速分佈及井壁壓強等;二、提出了豎井空腔段螺旋水流水力計算方法,其計算結果與實測值吻合良好;三、利用試驗與計算結果,對旋流式豎井的消能機理行了探討,對豎井各部分的消能能力有了總體認識;四、對豎井下部消力井的合理井深行了優化試驗研究,發現消力井合理深度為0 . 9d左右;五、通過試驗研究,歸納出豎井水流總摻量估算方法,為導流洞排方案的設計提供了參考依據;六、在高水頭、大流量條件下,豎井空腔段下部流速很高,盡管水流螺旋運動引起的離心力可以確保井壁壓強保持正壓,但空化數依然較低,因此豎井的空化空蝕始終是工程界關注的重大問題。
  4. Aiming at the study actuality of fan performance monitoring system and analysis of fan performance curve changes affected by inlet - box and the different fixed - angles of guide blades in the course of installation, a fan flow monitoring model based on rbfnn in whole flow zone was established in this thesis. in the model, the method of no throttle and fan performance curve were used as basis. and on the basis of that model, fan performance curves of 4 - 73no. 8d were approached with experimental data of different speed, different opening - angles of guide blade and different resistance of pipeline, the precision and the error law of model were studied

    本文針對電站風機性能監測系統研究較少的現狀,在實驗的基礎上分析了現場加裝箱和由於安裝造成的導流器葉片開度不一致對風機性能曲線的影響,並在此基礎上採用無節流方法測量流量,以風機調節性能曲線為依據,建立了基於基函數( rbf )神經網路的風機流量全程監測模型;以實驗室4 - 73no . 8d離心風機為研究對象,探討了rbf神經網路差壓模型在變轉速、變導流器開度和變管網阻力等工況下的應用精度和誤差分佈規律;最後用visualc + +語言開發了風機性能在線監測系統。
  5. Results show that all the geometric parameters have remarkable effects on combustion performance ; the swirl of intake air generated by skew intake holes enhances fuel - air mixing, minimizes dead zone and stabilizes the flame with reverse flow, but the excessive reverse flow can cause overheat in combustion chamber and exhaust ; the consistency of flow resistance in intake and exhaust system is conducive to the stability of heater performance

    研究表明,燃燒室孔的孔、孔數、孔的分佈及方等均對燃燒性能影響很大;斜孔所產生的旋轉,雖具有強化燃混合、消除死區和迴流穩焰的作用,但迴流過度會使燃燒室及排溫過高;保證系統流動阻力(壓力)的一致性,有助於保證加熱器性能穩定。
  6. The essential elements and process of gas reservoir formation of ordovician in ordos basin have been annalysed systematicly and scientificly by means of the theory and method of organic geochemistry and tectonic geology in this dissertation. the several advanced techniques, such as gas generation thermal simulation, on - line individual gas compounds carbon isotope determination ( py - gc - c - ir - ms ), the analysis technique of light hydrocarbons and biomarkers in natural gas, gas migration simulation and gas carbon isotope determination in fluid inclusions, have been applied to focuse on the study of the gas generation mechanism of souce rock, correlation between gas and source rock, reservoir formation history, migration direction, charging road in detail

    應用有機地球化學和構造地質學理論和方法對鄂爾多斯盆地奧陶系天然地質研究中薄弱環節成藏要素和作用行了系統科學分析。利用烴源巖生定量熱模擬技術、熱模擬在線碳同位素實驗技術、體輕烴和生物標志物分析技術、運聚成藏物理模擬技術和包裹體中碳同位素分析技術等多種先的實驗技術對烴源巖的生機理、源和混合比、成藏史、充注路、運移方和構造作用與成藏關系等問題行了深入的研究,在前人研究的基礎上,經過本次大量的實驗分析和綜合研究,提出了一些新的認識。
  7. 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,蛇形道出口截面的總壓恢復系數不斷下降,而穩態周畸變指數、紊流度和綜合畸變指數均上升,穩態畸變指數變化不大。
  8. It has the advanced radial technology and the movement path likes 11 pieces plum blossoms shape, this machine uses a head screw pole to go up and down to control the power head, it has the enlarged bench, and air current double - direction adjusting valve to controlled the riveting speed effectively. the electricity system added the counter to count the work piece which was be processed, he time relay control the riveting times

    Jm3tq - d是汽動類小型鉚接機,與jm3tq - b和jm3tq - c相比,提高最大工作行程到40mm ,除應用有國際先的11瓣梅花鉚接技術外,該機採用頭部絲桿升降粗調,加大了工作臺面,路加裝雙調節閥,有效控制鉚接速度。
  9. An experimental study is carried out on the effect of following factors on the combustion performance of a vehicle fuel heater : geometric parameters ( the number, diameter, distribution and direction of combustion chamber intake holes ) and intake and exhaust pressures

    摘要對車用燃油加熱器燃燒室(流通面積) 、孔的分佈、孔的方等幾何參數和壓力對加熱器燃燒性能的影響行了試驗研究。
  10. The bottleneck problem that has long obstructed possible breakthroughs in chinese language teaching is that the established subject - object thinking pattern reduces the teaching process to teachers " one - way conveyance of knowledge, and further on makes it a lifeless monologue. this to a certain extent goes against the basic law of chinese language teaching

    長期以來困擾語文教學取得突破性展的瓶頸問題是:以主? ?客單一的思維模式把語文教學看作是教師單的傳輸過程,從而導致語文教學呈現出死沉沉的獨語狀態,與本應充滿生命活力、其樂融融的語文教學的本真狀態大相庭,在一定程度上背離了語文教學的本質規律。
  11. First of all, the mathematical model and theoretical formula of static characteristic for both whole and partial porous bearings are presented. the solutions are also given

    本文首先提出了局部多孔質和全多孔質靜壓軸承理論計算模型,根據體在多孔質材料中的流動特性給出了軸承的性能表達式,並行求解。
  12. There are two parts in this paper : firstly, a set of single doppler velocity models are presented for typical ambient windfields that include those of being uniform horizontally, macroscale convergence and divergence, which overlap warm and cold advection. which are marked by different signatures in the single doppler velocity field. the models proposed can help users identify useful information from the dopple velocity patterns

    本論文包括兩個部分:第一篇通過對典型風場的單多普勒天雷達速度圖象行模擬,典型風場包括水平均勻一致的風場、非均勻水平風場的大尺度運動的輻合輻散風場以及大尺度運動的輻合輻散風場與冷暖平流的迭加等。
  13. To deal with the echo information from doppler weather radar, in this paper we recommend the processing of some radar products ( cr, vcs, cappi, vil, wer, vwp ), according to the research of nim on weather radar, referred to other advanced algorithm of radar products from home and abroad and combined with the requirement of application in our country. these products are produced on the platform of windows 98 or windows 2000 by the use of visual c + +

    為了對多普勒天雷達的回波信息(包括強度、速度和速度譜寬)行加工、計算和處理,本文根據南京象學院在天雷達方面的長期研究積累,同時借鑒其他國內外先的天雷達產品的演算法,結合我國象業務應用的要求,對多普勒天雷達的象產品(組合反射率因子、任意垂直剖面、等高平面位置顯示、垂直累積含水量、弱回波區顯示、 vad垂直風廓線等)行工程化設計。
  14. The main object of this paper is to design a diagonal impeller, which requires small size and high rotating speed. the first step of the design is to solve the radial equilibrium equations on the s2 stream surface. second, the blades designed according to the results of the first step

    方案計算是為二維設計做基礎;二維設計是在s2流面內用流線曲率法求解完全平衡方程,利用流場計算的結果來初步判斷設計的工程合理性;葉片造型利用s2流場的計算結果,近似沿著流流面行造型。
  15. A new bearingless induction motor system with five degrees of freedom is developed including a bearingless induction motor and a permanent magnet biased axial - radial magnetic bearing. the control strategy of bearingless induction motor based on air - gap flux orientation is introduced, and the decentralization pid control is used to maintain equal air in the five degrees of freedom. the digital controller guarantees rotor suspension steadily, and the speed of rotor reaches 3000 rpm

    闡述了無軸承異步電機的隙磁場定控制策略,採用該非線性控制方法能使無軸承異步電機解耦成轉矩子系統和磁懸浮力子系統,從而可以採用經典pid對這兩個獨立的子系統行控制,首次實現了系統在0 3000rpm轉速范圍內的穩定懸浮。
  16. Radial distribution of the static pressure at stator surface was measured in a rotor - stator disk cavity with centric inflow and two outflows

    摘要中心具有兩個出口的旋轉盤系統中靜盤表面沿半的靜壓分佈由實驗方法獲得。
  17. Jm6tq is developed in foundation of jm6t, its adopted the advanced radial technology, the motion path of riveting - head resembles 11 pieces plum blossom s shapes. the ascend and descend of power head by screw pole and it can control the rough adjust effectively, and micro - adjust by screw cap of power head, the center hole of bench are coaxial with the spindle, and it put the holder available, and added the aerosol lubricate system in the air current it has the function of filter

    Jm6tq動是在jm6t基礎上發展而來的動z中小型臺式鉚接機,除應用有國際先的11瓣梅花鉚接技術外,該機應用有國際先鉚接技術外,同時採用絲桿升降式工作頭,臺面具有夾具梯形槽,工作臺中心孔與主軸軸線同軸,可用於夾具定位。
  18. Then mechanical experiments were carried out to measure the longitudinal tensile strength and radial supportive strength. based on the testing results, the different deformation functions of the tubular fabric were obtained and we conclude that the strength indexes vary directly as the material diameter and the arrangement of the pp and pgla has a prominent influence to the radial supportive strength of the woven artificial trachea. in addition, the degradation property of the tracheal prosthesis was investigated and this provides another important foundation for the fabrication technology of the artificial trachea

    在試驗測試部分,本課題對試樣的拉伸性能和強度行了測定,根據試驗的結果深入研究了每種管道織物在測試過程中的不同變形作用,也得到了不同的編織工藝參數對人工管力學性能的不同影響:原料的細度的變粗可增大人工管各力學強度指標;機織組織管道織物中兩種原料的排列方式對人工管的拉伸性能並無明顯影響而對其強度影響顯著,其中以「 1隔1 」和「 3隔3 」的排列方式較佳。
  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:軸流壓機的動穩定性模型,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擾動對失速影響的新的動穩定性模型.計算結果表明壓機的軸擾動往往隨著擾動的產生,擾動的強度影響壓機的動穩定性,在葉尖還是葉根首先產生失速與壓機基元葉柵特性密切相關.本文對軸流壓機二維和三維動穩定性模型的計算結果行了對比分析
  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

    軸流壓機的動穩定性模型,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擾動對失速影響的新的動穩定性模型.計算結果表明壓機的軸擾動往往隨著擾動的產生,擾動的強度影響壓機的動穩定性,在葉尖還是葉根首先產生失速與壓機基元葉柵特性密切相關.本文對軸流壓機二維和三維動穩定性模型的計算結果行了對比分析
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