Transverse flow .
为了获得良好的数值模拟方法预测带横流、旋流冲击射流的流动换热特点,采用SST湍流模型对带横流、旋流冲击射流的流动换热特性进行了三维数值研究,并利用热电偶温度测试装置对冲击靶面局部换热系数分布进行了实验研究和验证。
Vortex structure of slot turbulent jets in cross-flow;
横流中有限宽窄缝射流的旋涡结构
Vortex structures of round turbulent jets in cross-flow;
横流中圆孔湍射流的旋涡结构
In order to probe into the penetrability of a turbulent jet in cross-flow (JICF) as well as its characteristics of the flow field, large eddy simulation (LES) and standard k-εturbulence model were employed separately to simulate a round turbulent jet in cross-flow with the velocity ratio of 10, the Re based on the jet velocity 50m/s is 16600.
为探索横流中湍流射流的穿透性和流场基本特征,分别采用大涡模拟和标准k-ε湍流模型计算了射流速度比率为10的横流中圆管湍流射流,对射流速度为50m／s的雷诺数为16600。
Experimental investigations were performed to investigate the characteristics of the turbulent jet issuing into a uniform crossflow, at the injection angles of 90°and 60°.
对射入均匀横流中的单股紊动射流流场进行了实验研究。
The heat transfer coefficient is measured for crossflow of a mixture of air and Vapor over a cylinder at medium Reynolds numbers (3000 - 7000) for temperatures between 300 to 700℃ and for humidity ratios of 0.
４５）横流单管和管排的对流换热系数，并与经典的Ｚｈｕｋａｕｓｋａｓ方法计算结果进行了比较，实验结果表明，高水分烟气横流圆管对流换热系数伴随烟气水分浓度的增大和温度的升高而加强，这种加强的趋势比使用Ｚｈｕｋａｕｓｋａｓ关联式计算得到的结果更为显著，本文使用烟气水分含量作为修正因子，通过修正的Ｚｈｕｋａｕｓｋａｓ关联式，给出了高水分烟气横流圆管对流换热计算关联式。
In order to improve the uniformity of dry material, the airflow distribution uniformity in material layers of crossflow recirculating drier was researched.
为了提高物料干燥的均匀性 ,讨论了横流循环式烘干机的气流分布的均匀性。
Research on vortexes of cross flow past a horizontal circular cylinder by PIV system;
应用PIV系统研究横流中近壁水平圆柱绕流旋涡特性
3-D Micro acoustic Doppler velocity(ADV) was used to test the round jets in cross flow in unsymmetrical compound channel.
为了揭示复式断面横流环境中三维圆形水平射流的特性,运用Micro ADV测速系统对射流流速比为12的横流紊动射流进行了实验研究,给出了射流典型横断面二次流速度的矢量图和主流速等值线图。
Under the condition of artificial disturbances, the investigations were performed on a three dimensional boundary layer of a 45 degree swept back flat plate, which is subject to cross flow instability.
在具有近似等顺压梯度的 4 5°后掠平板上 ,人工激励非定常扰动的条件下 ,进行了三维边界层承受横流不稳定性实验研究。
In this paper, the analytic solution to the Merkel equations of the crossflow cooling tower is obtained through the linearization of saturated air enthalpy.
通过对饱和空气焓作线性回归，求得了横流式冷却塔Ｍｅｒｋｅｌ方程组的分析解；并在较广的设计工况内（大气压力ｐｂ＝８０～１０１ｋＰａ，进口空气湿球温度τ＝１０～２７℃，进塔水温ｔ１＝３０～５０℃，水气比ＷＧＲ＝０。