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- A mathematical model for pulsatile flow through a arterial stenosis is presented. 提出了在有狹窄的動脈中血液流動的一個數學模型。
- Numerical simulation was performed with calculation of fluid dynamic method in physiological pulsatile flow conditions. 利用計算流體力學方法對生理性脈動流進行了數值模擬。
- Objective To investigate the effect of vasal viscoelasticity on wall shear stress of pulsatile flow under the influence of Rolling Massage. 目的研究血管粘彈性對脈動血流在扌袞法推拿作用下切應力的影響。
- Purpose:The aim of the study was to quantitate analogue mitral regurgitant (MR)jet size with three dimensional(3D)reconstruction in vitro pulsatile flow model. 目的:採用三維(3D)超聲重建技術定量評價模擬二尖瓣返流(MR)的大小。
- If the transmural pressure of a latex tube containing pulsatile flow is negative, the tube will collapse with its cross-sectional area and moment of inertia decreasing. 摘要 當脈動流經過乳膠管時,如果跨壁壓力為負,則乳膠管就被壓癟,其截面積和截面慣距都將減小。
- Abstract: The effect of stabilizing pressure of a stable pressure box with damping line of the air flow is studied in order to measure the pulsate flow ability of air at the intake and exhaust pipes of engine. 文摘:為了測量發動機進、排氣管內氣流的脈動流動特性,對自行設計的對氣流起穩壓作用的阻尼穩壓箱進行了研究。
- The effect of stabilizing pressure of a stable pressure box with damping line of the air flow is studied in order to measure the pulsate flow ability of air at the intake and exhaust pipes of engine. 為了測量發動機進、排氣管內氣流的脈動流動特性,對自行設計的對氣流起穩壓作用的阻尼穩壓箱進行了研究。
- The reendothelization level on the surface of the leaflets was 92% before pulsatile-flow-cultivation. But the rate of ECs retention on the scaffold exposured to pulsatile flow was only 36%, 23% and 11% on the 7th, 10th and 14th day, respectively. 在脈動流培養前,組織工程瓣內皮化程度為92%25,而脈動流培養的第7、10、14d,其ECs黏附率分別為36%25、23%25和11%25,說明種植的ECs脫落嚴重。
- The nonstationary pulsatile flow in uniform straight arteries was numerically investigated to calculate the nonstationary wall shear stress(WSS) by measuring nonstationary pulsatile blood flow. 本文通過數值方法求解均勻動脈中的非平穩脈動流,給出了通過測量非平穩脈動血流量確定壁面切應力的方法。
- We used computational fluid dynamics(CFD) to investigate the steady and pulsatile flows in the vicinity of model stents and focused on the changes of wall shear stress caused by the implanted stents. 我們利用計算流體動力學的方法,分析了定常流與脈動流兩種條件下,支架植入引起的血管壁面剪應力的變化。
- A numerical study was performed for incompressible laminar pulsating flow in a channel. 摘要對不可壓縮脈動流動的流動和換熱特性進行了數值模擬研究。
- It is effective and successful to use this method in desgning a pulsating flow dryer. 實際應用結果表明,模型的計算結果與實際的乾燥過程能較好地吻合。
- Both pulsating flow and wall vibration can affect heat transfer by making thefluid fluctuate. 脈衝流動和壁面振動都可通過使流體脈動來影響換熱。
- The air seemed to pulsate with the bright light. 空氣似乎隨著亮光而顫動。
- Keywords vascular bioreactor;pulsatile flow;vascular remodeling; 血管生物反應器;脈動流;血管重建;
- The nonaffine constitutive equation was applied to a parallel superposition of sine vibration upon steady shear flow field( or sine pulsating flow field). 同時,為了與實際物理場相結合,將這一純振動剪切力場作用下的聚合物熔體非仿射瞬態網路結構本構方程推廣到穩態剪切流上平行疊加正弦振動后的力場(稱正弦脈動流場)去,並結合毛細管動態流變儀來進一步驗證這一模型的精確性。
- Numerical analysis on convection heat transfer of laminar pulsating flow in a circular tube with constant heat flux and constant wall temperature is investigated. 對等熱流和等壁溫邊界條件下圓管內層流脈衝流動對流換熱問題進行了數值模擬。
- The pulsating flow field was simulated by the large eddy turbulence model and the momentum equations were discretized with the unbounded central difference scheme. 脈動流場計算採用大渦模擬湍流模型,動量方程的離散格式採用有限中心差分格式。
- A free flow of water came from the pipe. 水從管道里通暢地流了出來。
- In convection, hot currents flow upwards. 在對流中熱氣流向上運動。