学术
摘 要:
对半圆形随行进表面流场进行了数值计算及仿真，通过比较随行波表面相对于平板表面的流场变化，分析了随行渡表面的减阻特性，进一步研究了随行波的减阻机理。仿真结果证明了“人工涡”的存在，即在随行波波谷内能够产生二次低速流动漩涡，这些漩涡并没有向外扩散而是在随行波内稳定下来，形成“人工涡”。[著者文摘]
文章出处:
《系统仿真学报》-2006年18卷11期,3094 -3073-3074,3094页
栏目信息:
分 类 号:
文献标识码:
A
文章编号:
1004-731X（2006）11-3073-02
Numerical Simulation of Semicircular Traveling Wave Surface and Study on Its Drag-Reduction Mechanism
PAN Guang, GUO Xiao-juan, HU Hai-bao （College of Marine, Northwestern Polytechnical University, Xi＇an 710072, China）
Abstract:
Semicircular traveling wave surface was numerically computed and simulated. Drag-reduction characteristics of traveling wave were analyzed and the mechanism of drag-reduction was deeply studied by comparing traveling wave surface with plate surface. The results prove that there are second vortexes （called ＂artificial vortexes＂） in the trough of traveling wave, and these vortexes are confined in the trough. Also argument is provided for the theory of ＂second vortexes＂.[著者文摘]
Key words:
semicircular traveling waves; drag-reduction characteristics; artificial vortexes; second vortexes
基金资助:
国家自然科学基金项目（19872056）.
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