Interferometric Computed Tomography Measurement and Novel Expression Method of Discharged Flow Field with Unsteady Shock Waves
Interferometric Computed Tomography Measurement and Novel Expression Method of Discharged Flow Field with Unsteady Shock Waves
复制标题
非稳态冲击波放电流场的干涉式计算机断层扫描测量及新表达方法
DOI：
10.1143/jjap.44.l1293
复制
发表时间：
2005
影响因子：
1.5
通讯作者：
K. Maeno
中科院分区：
文献类型：
--
作者：
M. Ota;T. Koga;K. Maeno
三维干涉式计算机断层扫描（CT）测量已应用于包括冲击波在内的非定常高速流场。激波管实验中流场是由一对圆形开口端释放的激波引起的。入射激波马赫数为 2.0，开口端放电马赫数为 2.3。计算流体动力学（CFD）模拟也应用于该流场。为了对实验结果和 CFD 结果进行详细讨论，我们提出了一种新颖的可视化方法，称为“分布组合纹影图像（DCSI）”。
A three-dimensinal interferometric computed tomography (CT) measurement has been applied to the unsteady and high-speed flow field including shock waves. The flow field is induced by shock waves discharged from a pair of circular open ends in the shock tube experiment. The incident shock Mach number is 2.0 and discharged Mach number at the open ends is 2.3. The computational fluid dynamics (CFD) simulation is also applied to this flow field. To implement the detailed discussion of the experimental result along with the CFD result, we propose a novel visualization method named as `distribution combined schlieren image (DCSI)'.