氣膜 的英文怎麼說

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氣膜 英文
air film
  • : 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...
  • : 名詞1. [生物學] (像薄皮的組織) membrane 2. (像膜的薄皮) film; thin coating
  1. The best optimum mathematical model is constituted. scalar factor of structural parameter on loop rectangular negative pressure and adsorption slide is calculated. structural parameter, air gas source pressure carrying capacity and thickness of air cell are made sure by hydrodynamics and the theory of gas lubrication

    詳細論述了導軌副的設計過程,運用數學上的拉格朗日條件極值求解法,建立最優化數學模型,求出環矩形負壓吸附導軌的結構參數的比例情況,並運用流體力學和體潤滑理論確定了環矩形負壓吸附導軌的結構參數、壓、承載能力和氣膜厚度的確定性結論。
  2. Modelling of latitudinal flow field in air - cushion belt conveyor

    墊帶式輸送機氣膜厚度的計算
  3. Numerical simulation of leading edge film - cooling of turbine stator blades

    氣膜冷卻渦輪導向葉片流場數值模擬
  4. There were better benefits through cooling by slot and wiggle - strip film cooling

    其中縫隙式氣膜冷卻和波紋板式氣膜冷卻冷卻結構的冷卻效果比較好。
  5. Results show that the influence of mainstream reynolds numbers on heat transfer coefficience is little and the heat transfer coefficience raise with the increase of reynolds numbers. the influence of the position of holes on heat transfer coefficience is complex and correlate with the mainstream speed and the balde surface curvature. and the influence of blowing ratio on heat transfer coefficience is more great ( especially to stator ), and show a complex relation to mainstream reynolds number and the position of holes

    實驗結果表明,不同孔位出流的換熱由於孔排下游表面來流速度及葉片表面曲率的不同而有不同的規律,而主流雷諾數對葉片表面特別是壓力面和前緣區域的換熱系數比的影響較小,吹風比對換熱系數影響較大(特別是導葉) ,並且隨氣膜孔位置和來流雷諾數的變化而情況復雜。
  6. Reynolds numbers ( based on average velocity at passage inlet and hydraulic diameter of the passage ) are changing from 20000 to 80000 and the extraction ratios ( suction ratios, sr ) are changing from 0. 30 to 0. 60 for each test model. so the influences of reynolds numbers, suction ratios and etc. on the discharge coefficients and pressure loss characterist ics are also presented. flow fields of typical passages are visualized with the flow visualization techniques and measured with hot - wire anemometer

    對每一種通道結構,實驗在不同通道進口雷諾數( re = 20000 、 40000 、 60000 、 80000 )和不同通道總出流比( sr = 0 . 30 、 0 . 45 、 0 . 60 )下進行,以研究這兩個流動參數及其它相應變化的參數(氣膜孔的雷諾數re _ h 、氣膜孔與通道的動量比i等)對出流特性和流阻特性的影響規律。
  7. The cooling effectiveness of effusion cooling in the regions with holes and downstream the last row of holes on hot side is much higher than that of conventionary film cooling with the same operation conditions

    在熱側面上的氣膜孔區及其下游區,緻密多孔壁的冷卻效果都非常好,比同等條件下常規氣膜冷卻的效果好得多。
  8. To investigate the influence of porosity of holes array on cooling effectiveness of an effusion cooled plat plate, a numerical study of the distributions of cooling effectiveness on the hot side of an effusion cooled flat plate was carried out with four different porosities of holes array

    摘要為了獲得氣膜孔陣排列的疏密度對緻密多孔壁冷卻效果的影響規律,分別對四種疏密度排列下的平板熱側面上的冷卻效果進行了數值模擬研究。
  9. The aerodynamic losses and the coolant consumption due to endwall film - cooling are quantified, thus providing data on both the aerodynamic costs and the cooling benefits of endwall film - cooling

    這種動力損失和冷卻空損耗的定量化,可為端壁氣膜冷卻技術的動力成本和冷卻效益提供數據。
  10. Understanding the three - dimensional nature of these flows and understanding the interactions between the ejected coolant and the endwall flow are the key to a successful endwall film - cooling design. results from this investigation enhance this understanding

    揭示流場的三維特性以及噴射的冷空與端壁附近的外流場相互作用規律是渦輪葉柵端壁氣膜冷卻設計成功的關鍵,本文的研究成果增加了對此規律的更深入了解。
  11. These measurements are complemented by measurements of the flow field downstream of the cascade. the integrated losses and locations of secondary flow features with and without endwall film - cooling are determined for variations of both coolant supply pressure and injection location

    以無端壁氣膜冷卻和有端壁氣膜冷卻兩種情況進行研究,對比地獲得了兩者的綜合損耗和二次流特徵區域隨冷卻體供給壓力和注射位置的變化規律。
  12. One cooling method that has gained increasing importance is endwall film - cooling, where coolant air is discharged though discrete holes in the inner and outer endwalls of a turbine blade passage. after leaving the holes, the coolant forms a protective layer between the hot mainstream gas and the surface that is to be protected

    目前廣泛採用的一種重要冷卻方法是渦輪葉柵端壁氣膜冷卻,該方法中冷空穿過渦輪葉片上內外端壁離散冷卻孔進行交換,且冷空流經冷卻孔后在主流熱空與被保護表面之間形成保護層。
  13. The influence of waviness and taper of seal faces to the operating performance at slow speed of gas face seal

    低速運轉氣膜機械密封端面波度和錐度對其密封性能的影響
  14. Jet impingement cooling is an advantage method in heat transfer enhancement owing to its extremely high local heat transfer coefficient and simple structure. as regard as the combustor flame tube cooling structure is concerned, the impingement - converse convection - film composite cooling is an effective method, in this composite cooling structure, the impingement cooling problem could be modeled as impingement inside semi - confined channel

    對于沖擊-逆向對流-氣膜復合冷卻的火焰筒結構而言,火焰筒壁面冷側的沖擊冷卻實質上是半封閉通道的沖擊冷卻,即沖擊射流從沖擊孔板噴出,沖擊到換熱靶面后形成壁面射流沿通道單方向流出。
  15. Does not have any danger completely, but must according to the game rule normal use. the child may contact the part is soft but the rich elastic sufficient gas blanket material, all has the circle net from the ground slightly high place, therefore completely don t worry

    完全沒有任何危險,但是必須按游戲規則正常使用。兒童可以接觸的部分是柔軟而富有彈性的充氣膜材料,距離地面稍高的地方都有圍網,所以完全不用擔心
  16. ( 2 ) on the leading edge, the film cooling effectiveness at the zone immediately downstream of the cooling holes is affected by blowing ratio and mainstream reynolds number, while the effects are not important in the downstream zone far from the cooling holes. ( 3 ) on the front half of pressure surface, the effectiveness increases with decreasing blowing ratio at the downstream near the cooling row and it is contrary at the downstream far from the cooling row. ( 4 ) on the rear pare of the pressure surface, the effectiveness decreases with increasing blowing ratio and does not vary so much downstream in the cases of higher blowing ratio

    研究結果表明葉片吸力面端壁附近區域壓力系數分佈呈現出較強的三維特性,動葉吸力面尤其明顯;氣膜孔流量系數隨吹風比的增加而增大,在高吹風比情況下,流量系數逐漸趨于常數;在不同型面區域,冷卻效率分佈有較大的差異,而且吹風比與主流雷諾數的影響程度也不盡相同;低吹風比下,孔出口下游附近可以得到較好的冷卻,中、高吹風比下,冷射流在加速流動主流的作用下返回壁面進行二次冷卻,孔下游較遠區域可以得到較好的冷覆蓋。
  17. The effects of blow ratio and rows on film cooling effectiveness and heat transfer coefficient was studied

    研究了吹風比、孔排等因素對氣膜冷卻效果和換熱系數的影響。
  18. Curvature effects on the film cooling with the rotation

    旋轉狀態下曲率對氣膜與主流摻混區域的影響
  19. Interaction between mixing flow and slot film of a combustor

    燃燒室摻混流與縫槽氣膜相互作用初步研究
  20. The total force of mobile gas on the chassis of the air cushion has been calculated by gas dynamic methods. it coincided with the actual result

    摘要利用體動力學,計算流動的氣膜墊器底盤的總作用力,理論與實際結果相符。
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