axial fields 中文意思是什麼
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By using the maxwell ' s equations and axial symmetry, a method on calculating non - static axial symmetry fields with unstable charge source is given
摘要利用麥克斯韋方程組和場的軸對稱性，給出了由對稱軸的非靜態電場計算含不穩定電荷源的軸對稱非靜態空間電磁場的一種方法。 -
The effect of air distributor on the flow fields was studied with emphasis. the working conditions of the bubble column simulated in the numerical study were as same as in the experiments. the velocity profile at axial direction showed a peek in the center, and a backward flow near the wall when usl / usg < 19. 6
鼓泡塔內軸向液相速度的徑向分佈呈塔中心峰值、壁面附近倒流形式，且與氣相折算速度大小有關，當液相折算速度一定時，隨氣相折算速度增大而愈加陡峭，返混也劇烈。 -
The effect of leakage flow due to the upstream hub axial gap on the rotor performance and the mechanism of interaction between the hub leakage flow and the rotor blade passage flow were studied based on the numerical simulations of the flow fields of a transonic compressor rotor with upstream hub leakage
摘要為研究壓氣機轉子上游葉根軸向間隙泄漏流對轉子性能的影響程度以及泄漏流與轉子流場之間的相互作用機制，對帶有葉根泄漏流的跨聲壓氣機轉子流場進行了數值模擬。 -
In this paper, the characteristics and details of the laminar flow fields in the annular gap of the modules were theoretically studied by numerical simulation method first time. the mechanism of the microfiltration with outside helical flow was analyzed. its results were compared with the former experimental results and those of outside axial flow mf and would provide the theoretical basis for optimization design
本文採用數值計算的方法首次對層流范圍內膜器環隙內的流場進行數值模擬，從理論的角度分析其流場分佈的細節和特點，與前人的實驗研究結果和外軸向流微濾進行比較，分析外旋流強化微濾的機理，對膜器優化設計提供理論依據。 -
The transport of macromolecules in curved tubes with permeable arterial wall was simulated numerically. the fields of axial velocity, the fields of secondary flow function and the distribution of wall shear stress along the transverse section of arterial wall were obtained under different dean number, 10
10800 ，計算了彎曲血管內的二次流軸向速度場和剪應力沿管壁分佈的情況。計算求得了在不同dean數和peclet數下，其中10 -
The hub leakage flows were modeled and calculated in two different ways : the flow fields inside hub axial gap were calculated together with blade passage flow in an integrated manner, and the leakage flows due to the hub axial gap were modeled as inlet boundary conditions
計算時分別採用了兩種模化途徑，即耦合求解轉子上游葉根間隙內空腔與轉子通道內的流場，以及求解將葉根同間隙模化為進口邊界的轉子流場。 -
In order to fully develop the theory of squeezed branch piles, in particular, the justification of its superior performance in terms of the bearing capacity and sinking displacement, we have derived the analytical formulas of the axial load and the strain at arbitrary depth ; based on existing static loading test results and research on belled pile, together with the analysis of on - site testing data, we have applied the expand theory on sphere holes to the computation of radial stress of squeezed branch piles under hole expansion ; taking the oil pressure of hole expansion in to account, we have find the a branch force under certain hole pressures, hence we can estimate the maximum bearing capacity of single piles ; we have introduced the experiential formulas for the bearing capacity of squeezed branch piles based on its stress characteristic and pile testing data ; we have also done numerical simulations of squeezed branch piles utilizing finite element method software ansys ; we have matched the simulation res ults with those of on - site basic load experiments, regenerating the distributions of stress fields and strain fields of squeezed branch piles, and from those distributions, we can determine the optimal distances between plates and piles
為了完善支盤樁的設計理論，探求支盤樁高承載力和低沉降量的內涵，本文推導出了支盤樁任意深度的截面荷載以及位移隨深度變化的理論公式；基於已有的靜載試驗成果及有關擴底樁的研究成果，從對現場測試數據的分析，將球形孔擴張理論引入到支盤樁擴孔時徑向應力的計算，考慮到擴孔時的油壓數據，求得某一孔壓下的支盤力，據此估算單樁極限承載力；同時根據對支盤樁的受力特點和試樁數據的分析，提出了支盤樁承載力計算的經驗公式；用有限元分析的方法，利用大型有限元分析軟體ansys對支盤樁進行數值模擬，並將模擬結果同現場的靜載試驗結果進行對比，再現了支盤樁在荷載作用下土中應力場和位移場的變化，根據應力場和位移場的變化范圍，指出最佳盤間距和樁間距；為支盤樁的設計和施工提供了一個可量化的設計依據。
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