端壁 的英文怎麼說

中文拼音 [duān]
端壁 英文
end walls
  • : Ⅰ名詞1 (東西的頭) end; extremity 2 (事情的開頭) beginning 3 (門類; 方面) item; point 4 (原...
  • : 名詞1 (墻) wall (of a house etc ) : 銅墻鐵壁 bastion of iron2 (作用像圍墻的部分) wall of st...
  1. The vegetative body of the filamentous algae ( e. g. spirogyra ), composed of a line of similar cells joined by their end walls

    絲狀體: 2 .絲狀藻類的植物體(如水綿) ,由一列相似的細胞彼此通過端壁連接而成。
  2. Rays entirely parenchymatous, uni - serate ; horizontal and tangential walls of ray cells smooth and thin. cross - field pitting taxodoid with 1 - 4 pits

    木射線單列,全由射線薄細胞組成;射線細胞水平薄,紋孔缺乏,端壁平滑。
  3. The vortex simulated in this article include the shedding vortex induced by the vane trailing edge boundary layer, the endwall vortex generated by the endwall boundary layer interaction, the passage vortex generated by the rotor rotation, and the leakage vortex generated by the tip clearance flow

    渦輪級內的渦運動包括:導向器葉片尾緣附而層引起的脫落渦;轉子通道內轉子的旋轉運動產生的通道渦;根腳區兩個端壁附面層干涉,形成的根腳渦;存在葉尖漏流時,出現的漏流渦。
  4. Influences of swept and curved blade on the flow near compressor cascade endwall

    掠對壓氣機端壁流動的影響
  5. Application of endwall boundary layer suction in the stator cascade of steam turbine governing stage

    端壁邊界層抽吸技術在汽輪機調節級靜葉柵中的應用
  6. 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

    這種氣動力損失和冷卻空氣損耗的定量化,可為端壁氣膜冷卻技術的氣動力成本和冷卻效益提供數據。
  7. The ejected coolant interacts with the external flow near the endwall and generates aerodynamic and thermodynamic losses in the process. this reduces turbine stage efficiency and together with the consumption of cooling air is detrimental to the overall cycle efficiency

    但這種方法中噴射的冷空氣與端壁附近的外流場相互作用產生氣動力和熱動力損失,並且消耗冷卻空氣,從而損害渦輪的整體循環效率。
  8. 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氣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。
  9. 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氣體供給壓力和注射位置的變化規律。
  10. 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,該方法中冷空氣穿過渦輪葉片上內外端壁離散冷卻孔進行交換,且冷空氣流經冷卻孔后在主流熱空氣與被保護表面之間形成保護層。
  11. ( 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,冷氣射流在加速流動主流的作用下返回面進行二次冷卻,孔下游較遠區域可以得到較好的冷氣覆蓋。
  12. The distribution of adiabatic film - cooling effectiveness on the endwall of this cascade has been measured using a new technique that has been developed as part of this project. using this new technique, the achieved levels of cooling effectiveness are quantified and over, and under - cooled regions on the endwall are identified

    在發展一種新的測試技術的基礎上,結合葉柵下游流場測量,獲得了葉柵端壁上冷卻膜隔熱效率的分佈,使得葉柵端壁上下冷卻層的冷卻效率可分別定量描述。
  13. Standard specification for polyethylene stay in place form system for end walls for drainage pipe

    排水管端壁的聚乙烯固定型系統標準規范
  14. R ays e ntirely p arenchymatous, u ni - serate ; h orizontal a nd t angential w alls o f r ay c ells a re smooth and thin

    木射線單列全由射線薄細胞組成;射線細胞水平薄;端壁薄,平滑。
  15. The keystone of this research project is an experimental investigation using a large - scale low - speed linear turbine cascade

    針對上述問題,本文以大型低速線性渦輪葉柵為對象進行其端壁氣膜冷卻的傳熱研究。
  16. As for the oddly gleaming end walls of the pavilion, these are composed of aluminum sheets made to look, strangely, like stone

    而亭子的端壁,熠熠生輝,頗為奇特,這些都是鋁板建成,望去宛若磚石,尤為新奇。
  17. Rng k - turbulence model and standard wall functions were used. the results show that the basic flow and heat transfer patterns of both cases were all well simulated, but further improvement on the accuracy of numerical simulation is needed

    結果表明數值模擬從定性的角度較好的模擬了葉柵端壁附近的流動和型面換熱規律以及型面氣膜冷卻的流動與傳熱問題,但在數值上的準確性還需要進一步的改進和提高。
  18. Measured hole mass flows and a constant static pressure mixing analysis, together with the measured losses, allowed the decomposition of the losses into three distinct entropy generation mechanisms : loss generation within the hole, loss generation due to the mixing of the coolant with the mainstream, and change in secondary loss generation in the " blade passage

    論文還進行了葉片冷卻孔質量流的測量與常靜壓氣流混合分析,結合前述氣動力損失和冷卻空氣損耗的測量結果表明,端壁氣膜冷卻的綜合損失明顯地由三個部分組成:葉片冷卻孔內產生的損失;由於冷卻空氣與主流熱空氣的混合產生的損失;二次流的變化產生的損失。
  19. Thermally driven comparison of small single - cyclic channel and small multi - cyclic channel in gravitation field is performed through experiments and numerical simulations. the results show that the change of temperature at walls of the heat end minishes and the temperature distribution uniforms with the addition of the cyclic channels. and the ratio of the circuit ’ s height ( h ) to the distance between cooled and heat end ( w ) has effect on heat transfer

    本文首先採用實驗與數值模擬相結合的方法對重力場下單循環和多循環微小通道內流體的熱驅動進行比較研究,發現隨著循環通道的增加,熱端壁溫起伏變化減小,溫度分佈逐漸均勻化,而且通道高度與冷熱間距的比值h / w的變化對通道換熱也有影響。
  20. Results from this investigation show that the loss generation within the coolant holes is substantial and that ejection into regions of low static pressure increases the loss per unit coolant mass flow. the results also reveal strong interactions between endwall coolant ejection and secondary flow in the blade passage. the secondary flow has a strong influence on coolant trajectories and coolant ejection delays the three - dimensional separation of the inlet boundary layer on the endwall, chang the secondary flow and reduces its associated losses

    本文的研究成果顯示,冷卻孔內產生的損失是主要的,並且低靜壓區域的冷空氣噴射會增加單位冷空氣質量流的消耗;噴射的冷空氣與葉柵端壁流場之間有強烈的相互作用;二次流對冷卻空氣的流動軌跡有較強的影響;冷空氣噴射能延緩端壁入口邊界層的三維分離、改變二次流從而減少其相關損耗。
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