Interferometric tomography for reconstructing three-dimensional transient flow

Tiejun Zhao; Soyoung Stephen Cha

doi:10.1117/12.365770

13 October 1999 Interferometric tomography for reconstructing three-dimensional transient flow

Tiejun Zhao, Soyoung Stephen Cha

Proceedings Volume 3783, Optical Diagnostics for Fluids/Heat/Combustion and Photomechanics for Solids; (1999) https://doi.org/10.1117/12.365770
Event: SPIE's International Symposium on Optical Science, Engineering, and Instrumentation, 1999, Denver, CO, United States

Abstract

In order to understand 3D transient flow, it is very essential to apply holographic interferometric tomography. The technique is also advantages in providing nonintrusive measurement capability with reasonable accuracy and spatial resolution. Here, a new computational tomographic algorithm which is termed as Curvilinear Nonlocal Basis Function Method is introduced for reconstruction of flow fields. It is appropriate for reconstruction under various ill-posed conditions involving a limited view angle and an opaque object inside a field with irregular boundaries. The reconstruction technique is tested through computer simulation of experiments as well as a real 3D flow field. The results presented here demonstrate reliable measurement accuracy when the technique is applied for reconstruction of transient 3D flow.

Citation Download Citation

Tiejun Zhao and Soyoung Stephen Cha "Interferometric tomography for reconstructing three-dimensional transient flow", Proc. SPIE 3783, Optical Diagnostics for Fluids/Heat/Combustion and Photomechanics for Solids, (13 October 1999); https://doi.org/10.1117/12.365770

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