非紊流 的英文怎麼說
中文拼音 [fēiwènliú]
非紊流
英文
nonturbulent flow-
It adopts reynolds time - average n - s equation and k - ? turbulence model to calculate the inner 3 - d viscid turbulence flow of centrifugal pump. in the unstructured grid, the governing equations are discretized with finite volume method based on finite element method. then the pressure correction method is used to carry out numerical calculation
而後採用基於雷諾時均n - s方程與標準-湍流模型來求解離心泵葉輪內三維粘性紊流,在非結構化網格中,採用基於有限元的有限體積法對方程進行離散,用壓力校正法進行數值求解。The research of this dissertation is focused on how to solve the 3 - dimensional compressible navier - stokes equations by the implicit finite difference algorithm and to simulate numerically the unsteady subsonic and transonic viscous flows around rigid and elastic wings. on the base of them the aeroelastic characterictics of an elastic wing have been studied
本文的主要工作是用隱式有限差分法求解三維非定常紊流n - s方程組,數值模擬剛性機翼及彈性機翼的亞、跨、超音速定常及非定常粘性繞流,並在此基礎上研究了彈性機翼的氣動彈性問題。A variety of mathematical models based on continuous equation and the momentum equation and many solutions partial differential equation value computational method in the open canal turbulent flow solution, still could widely apply and yield the satisfactory result
但是,非穩態的navier - stokes方程對于明渠水流的瞬時運動還是適用的,以連續方程和動量方程為基礎,建立的各種數學模型和許多求解偏微分方程的數值計算方法在明渠紊流的求解中仍能廣泛應用。The total pressure is subdivided into the hydrostatic and residual hydrodynamic components. k - e turbulent flows model, non - staggered curvilinear grids, momentum interpolation, simplec and simpler algorithms are used to solve the basic equations
水流運動方程壓力項分解為靜水壓力和動水壓力,紊動粘性系數由k紊流模型求解,非交錯網格減化方程離散,降低插值運算。The international wind engineering circle has emphasized the studies on this area to the refinement of nonlinear wind - induced vibrations, the precise identification of aerodynamic parameters for structures as well as the real simulation of natural turbulent flow field for wind tunnel tests
國際風工程界對結構風效應的研究已著重於非線性風致振動的精細化,結構氣動參數的精確識別以及為風洞試驗所需的紊流風場的真實模擬。Applying the proposed model, the turbulent flow in open channel with emergent vegetation region has been simulated and the flow effect due to vegetation has been analyzed
應用該模型進行了存在非淹沒植物的河道水流紊流運動數值計算研究,分析了非淹沒植物對河道水流的影響。The nonlinear exponent is a function of the radial distance from the pumping well. the two - regime well flow problems being in the steady state. in the fourth chapter, the problems of two - regime well flow have been discussed concentrating on a kind of special seepage law
第四章對一種特殊的非線性滲流規律即充分紊流的情況,進行了全面、詳細地討論,推導出了該情況下井流問題的滲流速度、水頭降深和井流函數的解析表達式,作出了些具有代表性的標準曲線。Paragliders with very demanding flying characteristics and potentially very violent reactions to turbulence and pilot errors, little scope for pilot errors. for expert pilots
飛行特徵非常苛刻。對飛行員的錯誤和紊流的反應非常猛烈。僅限專家級高手使用。Paragliders with very demanding flying characteristics and potentially violent reactions to turbulence and pilot errors. recommended for experienced and regularly flying pilots
飛行特徵非常苛刻。對飛行員的錯誤和紊流的反應非常猛烈。建議有檢驗和經常飛行的飛行員使用。In this paper, hydromechanical theories, three - dimensional unsteady turbulent finite volume model and pheonics software are adopted to simulate the pressure field and the velocity field of the drainage pipe in allusion to the actuality of the necessary pressurization test before being used. then analyze the computational results and figure out the variational rules of pressure and velocity with different leakage location while close water test or close gas test is applied
本文針對無壓管道交付使用前必須進行嚴密性試驗的現狀,運用流體力學基本理論和三維非穩態紊流的有限體積模型,採用pheonics計算軟體,數值模擬不同管徑下不同漏水點的滲漏情況,模擬閉水和閉氣試驗時管道內部的壓強場和速度場的變化,並分析計算結果,從中找出其變化規律。The results of the three dimensional simulation emphatically show flow characteristics change along the spillway width and furthermore verify that the combination of k - e turbulence model with the vof model and unstructured grid can successfully simulate complex three dimensional turbulent flow on the stepped spillway
三維計算著重體現了流場沿溢洪道寬度方向的變化規律,進一步驗證了vof模型、非結構網格與卜。紊流模型相結合能夠成功地模擬三維階梯溢流壩面復雜流場。Using fluid analyze software, the 3d turbulent flow is stimulated based on navier - stokes equations and k - model. the turbulent flow through axial flow pump impeller is simulated by using the non - uniform triangle mesh system and the finite volume method. calculated results are presented at the design operating condition for the impeller in detail, which give a valuable reference to improve the performance of the impeller
最後,應用cfx流體分析軟體,基於n - s方程和標準-紊流模型,採用非結構化網格技術,用聯立求解各變量代數方程組的方法對設計工況下的軸流泵葉輪內部的三維紊流場進行了詳細的數值計算與分析,並預測其性能。New equation calculates friction factor for turbulent flow of non - newtonian fluids
計算非牛頓流體紊流摩擦系數的新公式The factory has 15 production lines for over 200 items in their product portfolio and their daily output capacity is up to 30, 000 sets of products. to cope with more large - scale oem orders, coby has established their own in - house facilities for completing mold making, plastic injection and silk - screen printing
高飛選用萬達資訊科技有限公的aims erp產品之前,曾經使用一套自己開發的管理系統,因靈活性太大而造成監控及控制力下降,出現資料不準確,使業務流程非常紊亂。The turbulent flow through the right - angle energy dissipator is simulated by using the transient k - e model, and compared with the experimental results. the calculated result indicates the flow characteristic in detail. the calculated wall pressure is in reasonable agreement with the experimental data
4利用非恆定k -模型對直彎式消能工的紊流場進行了模擬,並與試驗結果進行了比較,結果清晰地顯示出水流流動過程,獲得流場的變化情況,計算所得的壁面壓力分佈與試驗結果定性一致。分享友人