high reynolds number 中文意思是什麼

high reynolds number 解釋
高雷諾數
  • high : adj 1 高的〈指物,形容人的身高用 tall〉;高處的;高地的。2 高級的,高等的,高位的,重要的。3 高尚...
  • reynolds : n. 雷諾茲〈姓氏〉。
  • number : n 1 數;數字;〈pl 〉算術。2 (汽車等的)號碼;第…,第…卷,第…期〈通常略作 No (復數 Nos ),用於...
  1. The effect of reynolds number on rudder hydrodynamic performance is also analyzed. up to the stall angle the computed lift and drag agree well with measurements and other author ' s calculations, whereas stall angle, lift and drag beyond the stall angle are slightly under - predicted. the solver is used to investigate laminar and turbulent separated flows around a 6 : 1 prolate spheroid at high incidence angles and their effects on hydrodynamic forces

    應用所開發的求解器,以naca0015翼型舵為算例計算了船舵在不同雷諾武漢理三;大學博士學位論文數下大舵角范圍內的三維粘性流場及水動力,成功地預報了舵的失速角和最大升力,並初步探討了雷諾數對舵水動力的影響;計算結果與現有試驗和計算數據比較,吻合程度相當好,初步檢驗和驗證了該求解器精確模擬粘性流動和計算水動力的能力。
  2. The research result demonstrates that along with the increment of reynolds number, the root mean square value of outer fluctuating magnitude of the external diameter in fall frequency band increases, the root mean square value of fluctuating magnitude of the external diameter in high frequency band decreses, demonstrating that the fluctuation of flexible pipe wall changes fluctuation don field of original rigid pipe, large - size eddy motion increases and small - size eddy motion decreases, this reduces energy loss and increases friction reduction effectiveness

    研究結果表明:隨著雷諾數的增加,全頻帶的外徑脈動的均方根值加大,但高頻帶外徑脈動的均方根值減小,說明柔性管管壁脈動確實改變了原剛性管的脈動流場,大尺度渦的運動加劇,低尺度渦運動減弱,從而使得能量損失減少,減阻效果增大。
  3. In case of high reynolds number, the turbulence intensity of centreline drifted off its stable course in the sections, where the flow was in the transition

    在大雷諾數情況下,在流動處于發展階段的管長范圍內,流動中心處的相對湍流強度在入口擋環作用下偏離了穩定狀態。
  4. The high reynolds number two - equation k - e turbulence model is used

    湍流模型採用高雷諾數k -兩方程模型。
  5. High reynolds number

    高雷諾數
  6. In order to probe into the anti - friction mechanism and effectiveness of turbulent zone of flexible pipe, extensometer with high accuracy and high - frequency response characteristics is used to study the frequency variation feature of flexible pipe ' s outer diameter with reynolds number

    摘要為探討柔性管的紊流區域減阻效果的產生機理,採用高精度高頻率響應特性的應變儀對柔性管外徑隨雷諾數的頻率變化特性進行了研究。
  7. To investigate the aerodynamic design ideas and concrete methods of high performance low pressure turbine ( lpt ) at low reynolds number condition, a new lpt of high load, large chord and proper velocity distribution was designed

    摘要為了探索高空低雷諾數情況下高性能低壓渦輪部件的氣動設計思路和設計方法,通過採用高負荷、大弦長的葉片設計和選擇恰當的葉片表面速度分佈形式設計了一臺新低壓渦輪。
  8. The results show that increase of flow reynolds number and decrease of sensitivity of turbine performance to reynolds number are two key technologies to aerodynamic design of high performance lpt

    設計結果表明提高渦輪工作雷諾數和降低渦輪性能對雷諾數變化的敏感程度是低雷諾數環境下高性能渦輪氣動設計的關鍵。
  9. Based on former work, a finite difference viscous code that uses a high convergence, high accuracy, high resolution lu - sgs - ge implicit scheme and an improved fourth ( fifth ) - order high resolution muscl tvd scheme to integrate the full 3d navier - stokes equations and the low - reynolds number two - equation turbulence model is extended to simulate the flow field inside centrifugal impeller mechanism

    並且在現有工作基礎之上,將基於有限差分方法的高收斂率、高精度、高解析度的lu - sgs - ge隱式格式和四(五)階muscltvd格式求解全三維navier - stokes方程和低雷諾數雙方程湍流模型的計算程序推廣到離心葉輪機械內部流場的數值求解。
  10. The balanceable piston theory and perfect gas model are used as building block to design tunnel, and the resulting tunnel can generate uniform flow, which can provide long experimental time with high mach number, given enthalpy and reynolds number, thus, the scramjet and ramjet aircraft can be studied in this tunnel

    採用理想的平衡活塞運行理論和完全氣體模型,該風洞可以產生高馬赫數、一定焓值和re數、實驗時間較長的均勻流動,滿足超燃、亞燃現象的研究。
分享友人