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- The preliminary result indicates that Reynolds number and Froude number of overland flow tend to increase as slope gradient increases in the condition of same bed surface and flow discharge. 初步得出以下结论:(1)在床面和流量相同条件下,坡面流雷诺数和佛汝德数均随坡度的增加而增大。
- Simulates the characteristics of heat transfer and flowing resistance of heat exchanger surface with radial type slotted fin at different Reynolds number and radial angle with SIMPLE algorithm. 在不同雷诺数、不同开缝辐射角度下,应用SIMPLE算法对空调用辐射型开缝肋片表面的传热及流动阻力特性进行了数值模拟,根据场协同原理分析了计算结果,得出了换热量随雷诺数和开缝角度的变化规律。
- Reynolds Number and Flow 雷诺数(Re)与流动
- Runoff from up-slope had an important effect on rill flow hydraulics parameters, such as rill flow v elocity, Reynolds number and Daycy-weisbach coefficient. 上方来水对细沟水流水力学参数(流速、水力半径、雷诺数、弗劳德数和阻力系数)有重要影响。
- 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. 设计结果表明提高涡轮工作雷诺数和降低涡轮性能对雷诺数变化的敏感程度是低雷诺数环境下高性能涡轮气动设计的关键。
- The effect of Reynolds number and mass floe ratio on the discharge coefficient and pressure distribution for the flow in channel with rib turbulators and double-row bleed holes are investigated. 摘要研究了通道进口雷诺数和总出流比对带肋和双排出流孔通道流量系数和压力分布的影响。
- The optimum Reynolds number and minimum entropy loss of two pipes flow with different enhanced heat transter surface,pipes with plug-in twist belt and pipes with helix slot,was gotten. 同时,还用损失率表达式求解了内插扭带管、螺旋槽管两种不同管型中水的最佳雷诺数和最小(火用)损失率。
- The sensible heat factors are found to increase with both Reynolds number and inlet temperature of cold water. 湿盘管的热传量随著入口风速与鳍片数目的增加而增加,显热比及除湿率亦随著风速增加而增大。
- The microsphere diameter and wall thickness are two governing factors of its' terminal velocity, Reynolds number and Weber number. 玻璃微球的直径和壁厚是液态玻璃微球运动速度、雷诺数和韦伯数的重要影响因素。
- The analytical results showed that Reynolds number and Mach number have a rather obvious effect on airfoil aerodynamic performances. 分析结果表明:雷诺数和马赫数对翼型气动性能有较大的影响。
- For steady incompressible flows, the effects of Reynolds number and thickness of airfoils on the aerodynamic characteristics are studied. 研究了在二维定常不可压流动状态下雷诺数和翼型厚度等参数对翼型气动特性的影响。
- Based on the low Reynold number and small flux model, the velocity and thickness of the liquid film outside the horizontal tube were studied. 采用低雷诺数、小流量模型对黏性流体在水平管外形成的薄液膜的流速以及膜厚分布进行分析和计算 ;
- The result provides a numerical reference for the quantitative and qualitative analysis of the Reynolds number and humidity effects on turbofan engine performance. 通过分析,得到了雷诺数、湿度对涡扇发动机特性的影响系数及影响系数矩阵。
- The paper investigates the position of the wing vortex and canard vortex by use of the laserlight-sheet at low Reynolds number and analyses the manner of interaction. 本文通过激光片光实验观察了低雷诺数时上翼面主翼涡和鸭翼涡的相互位置,进而分析了在低雷诺数时主翼涡和鸭翼涡的干扰方式。
- The ebb and flow of politics in Washington goes on as usual. 华盛顿的政治风云,一如既往,仍然变幻莫测。
- When there is no impingement, the investigation about flow extravasation effect form film cooling holes is carried out with different cross flow Reynolds Numbers and different density flow ratios of the film outflow to cross flow. 在无冲击射流时,通过改变来流雷诺数、气膜出流与横流密流比,对气膜孔的“溢流效应”进行了研究。
- She was suffering a mysterious ebb and flow of mood. 她情绪一时高涨一时低落,令人捉摸不透。
- The aerodynamic performances of two typical wind turbineairfoils with different Reynolds number and Mach number was predicted using thesoftware XFOIL, which is a kind of analysis and design software for low Reynoldsnumber airfoil. 论文中详细讨论了计算理论模型,并用低雷诺数翼型分析和设计软件XFOIL分析了两种典型翼型在相同马赫数、不同雷诺数和相同雷诺数、不同马赫数时的气动性能。
- The quantitatively calculated results of Hartman number, Reynolds number and the turbulent Reynolds number show that Hartman number expresses well the function that electromagnetic force i. 对雷诺数、湍流雷诺数以及哈特曼准数的定量计算结果表明,哈特曼准数较好地表征了电磁力对铝液湍流运动的抑制作用。
- Correlations between jet Reynolds number and discharge coefficient, and between inlet crossflow velocity ratio and discharge coefficient were obtained based on the experimental data. 由实验数据得到了冲击孔流量系数分别与孔雷诺数和横流速比的经验关系式。