fan blade 中文意思是什麼

fan blade 解釋
風扇輪葉
  • fan : n 1 扇子;風扇,鼓風機。2 簸箕;揚谷機;(風車的)定風翼;【航空】螺旋槳,螺旋槳葉片。3 扇狀物(...
  • blade : n 1 (殼、草等的)葉片,葉身,葉。2 刀片;(安全)剃刀刀片 (= razor blade); 刀口,刃;刀,劍;...
  1. Cooling fan blade

    散熱扇片
  2. 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進氣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,建立了基於徑向基函數( 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。
  3. Variable moving blade double stage axial fan

    動葉可調雙級軸流式風機
  4. Variable moning blade axial flow fan

    動葉可調軸流式風機
  5. Nonlinear stress analysis on blade of tunnel fan

    隧道通風機葉片非線性應力場分析
  6. The turbocharger noise is formed by the rotation noise resulting from the periodical air cutting of the fan blade and the turbulent noise of high - speed gas flows. as a continuous high frequency noise, it mainly falls between the 500 to 10 000 hz range

    渦輪增壓器的噪聲是由於葉片周期性地切割空氣產生的旋轉噪聲和高速氣流形成的湍流噪聲而形成的,是一種連續性的高頻噪聲,主要分佈在500 ~ 10000hz的頻率范圍。
  7. The effects of leading edge skewed - swept blade on meridian acceleration fan

    前緣彎掠影響子午加速風機內流的研究
  8. In the thesis, the design method of the diagonal flow fan impeller has detailedly researched different from the previous means borrowing and extending design methods for axial flow or centrifugal type, a complete design method has presented on the basis of quasi - three dimensional design idea. the course is mainly composed of such steps as meridional surface design, inverse problem computation in meridional surface, blade shaping on stream surface, and verifying through three dimensional computation, until the design requirement is met at last

    不同於以往的軸流式或離心式延長設計方法或經驗方法,本文按照準三元設計的思路給出了一套完整的設計方法,即子午面設計?子午面反問題計算?斜流流面上葉片造型?三維計算驗證優化,直至符合設計目標。
  9. A motor that is be directly coupled to a fan - blade or blower - wheel load is to be operated at the applicable test voltage and under no - fan, no - load conditions with the shaft running free

    直接耦合到一個風扇葉片或鼓風機葉輪負荷的馬達,將在適用的試驗電壓下做無風扇,無負荷,軸空轉狀態的運行。
  10. For solving the problem of insufficient temperature drop, adopts some improvement measures including relocating filling materials, adjusting the rotational speed rate of the fans, increasing the fan blade quantity and using wider fan blades

    摘要針對冷卻塔降溫效果較差問題,採取了重新碼放填料、調整風機轉速比、增加風機葉片數量、加寬葉片直徑等改進措施。
  11. Numerical simulation for bent - swept blade in designing civilian fan

    民用通風機氣動設計中彎掠長葉片的數值模擬
  12. The former one is a product of the pressure pulsation resulting from the fan blade periodically cutting the air, with the blade passing frequency as its base frequency and accompanied by higher harmonics. the wide - band turbulent noise is formed when the rotating fan forces the surrounding air to produce turbulent throw - outs and results in gas thickening and thinning processes

    旋轉噪聲是由於風扇的葉片周期性地切割空氣,引起空氣的壓力脈動產生的,以葉片通過頻率為基頻,並伴有高次諧波。湍流噪聲是由於風扇運動導致的周圍空氣發生湍流脫體,使空氣發生擾動,形成氣體的壓縮與稀疏過程而形成的,是一個寬頻帶噪聲。
  13. Nonlinear study on the blade crack of axial fan

    軸流風機葉片裂紋的非線性研究
  14. The efficiency of prismatic blade equipped on the traditional machine is only 62 %, but the efficiency of the energy saving induced draft fan whose impeller and blade are both stamping is 85 %

    傳統磨粉機上配用的直葉片老式風機的效率僅為62 % ,而葉輪與葉片均為模具沖壓成型的節能引風機的效率為85 % 。
  15. A new aerodynamic design system developed by authors for draft fan with enhanced efficiency, suppressed noise, enlarged flux and high load. the new design system features : a twist regulation for vortex control is employed in designing to lessen the secondary flow loss in the blade tip and hub ; the feasibility and high efficiency of this procedure has been verified by the tests of the prototype fan ; a new computer - aided 3d blading is used to optimize the blade ; numerical inverse checking is adopted to enhance accuracy in designing and cut down the period of the designing and production. this design system can make the optimized blade with " forward inclination ", " inclining sweep ", " bending sweep ", to minimize the various secondary flow losses, to expand the steady working range of the fan, and to suppress the aerodynamic noise source

    本文通過對一種新型高性能礦用局部通風機的設計、製造及試驗全過程的綜述,展現了新的先進設計體系在民用通風機上的成功運用,其研製特點是: ( 1 )在葉片氣動設計中為了降低葉根及葉尖區二次流損失,採用可控渦扭向規律設計,樣機實測的高性能驗證了這種方法的可行性和高效性; ( 2 )在設計方法中採用較精確的數值反驗算,獲取最優設計方案,大大提高設計的準確性和成功率,並縮短了設計試制周期; ( 3 )在設計過程中發展了計算機輔助三維葉片造型新方法,可以根據設計需要簡便快捷地對葉片進行「前傾」 、 「傾掠」或「彎掠」造型,這些造型對減小各種二次流損失、擴大穩定工況范圍和控制葉輪機氣動噪聲源起到了非常好的作用。
  16. Abstract : a new aerodynamic design system developed by authors for draft fan with enhanced efficiency, suppressed noise, enlarged flux and high load. the new design system features : a twist regulation for vortex control is employed in designing to lessen the secondary flow loss in the blade tip and hub ; the feasibility and high efficiency of this procedure has been verified by the tests of the prototype fan ; a new computer - aided 3d blading is used to optimize the blade ; numerical inverse checking is adopted to enhance accuracy in designing and cut down the period of the designing and production. this design system can make the optimized blade with " forward inclination ", " inclining sweep ", " bending sweep ", to minimize the various secondary flow losses, to expand the steady working range of the fan, and to suppress the aerodynamic noise source

    文摘:本文通過對一種新型高性能礦用局部通風機的設計、製造及試驗全過程的綜述,展現了新的先進設計體系在民用通風機上的成功運用,其研製特點是: ( 1 )在葉片氣動設計中為了降低葉根及葉尖區二次流損失,採用可控渦扭向規律設計,樣機實測的高性能驗證了這種方法的可行性和高效性; ( 2 )在設計方法中採用較精確的數值反驗算,獲取最優設計方案,大大提高設計的準確性和成功率,並縮短了設計試制周期; ( 3 )在設計過程中發展了計算機輔助三維葉片造型新方法,可以根據設計需要簡便快捷地對葉片進行「前傾」 、 「傾掠」或「彎掠」造型,這些造型對減小各種二次流損失、擴大穩定工況范圍和控制葉輪機氣動噪聲源起到了非常好的作用。
  17. The reason that the noise is lower with inclining tongue is : 1 ) both the radius of the tongue and the gap between the tongue and the blade are changed across the wideth ; 2 ) the phase angle between blade and the tongue is changed across the wideth, therefore the peak value of the noise do not appear at the same time, so the peak value of the noise with inclining tongue is much lower than the straight one. the influence of the expanded angle of the shell of the fan on the noise was invested experimentally, and the optimal angle was got

    傾斜蝸舌降噪的主要原因是:一是改變了從氣流入口側到風機輪盤的蝸舌間隙和蝸舌半徑;二是改變了葉輪與蝸舌非定常相互作用的相位差,使其產生噪聲也有相位差,迭加的結果進一步降低了噪聲。另外,試驗研究了不同蝸殼擴張角對風機噪聲及效率的影響規律,蝸殼擴張角選擇當否,對效率和噪聲影響較大。
  18. Uses : it is widely used for manufacturing frp sheets, pipe, rods, car body, boat hull, fan blade and varieties of profiles etc

    用途3 :廣泛用於製造各種玻璃鋼板材管材、棒材、車體、船轂、螺旋槳、異型件等製品。
  19. The enterprise mianyang langdi plastic product co., ltd. integrated with us drives out fan blade also among other things

    公司專業從事吸進、定影以及吸入、吸附和通風機葉片業務。
  20. The company ninghai dapeng mould plastic co., ltd. offers among other fan blade

    的業績不僅在於廣泛的服務,還包括通風機葉片業務。
分享友人