Aero-optical simulated tomography measurement of a thin heated air cylinder

Wenyu Li; Zongfu Jiang; Xiang'ai Cheng; Weihong Hua; Sheng-Ping Chen

doi:10.1117/12.796357

27 September 2008 Aero-optical simulated tomography measurement of a thin heated air cylinder

Wenyu Li, Zongfu Jiang, Xiang'ai Cheng, Weihong Hua, Sheng-Ping Chen

Proceedings Volume 7100, Optical Design and Engineering III; 71001Y (2008) https://doi.org/10.1117/12.796357
Event: Optical Systems Design, 2008, Glasgow, Scotland, United Kingdom

Abstract

The phase information of the thin heated air cylinder transection was acquired with a self-collimated interferometer and line CCD camera at the frame rate of 27kHz , based on the presumption of axial symmetry ,using addition algebraic reconstruction algorithm , 2-dimension index-of-refraction distribution of the heated air in the transection was acquired ,and the 2-dimension temperature distribution was calculated, the temperature shift was observed, the central temperature of the air cylinder changed between 330K and 430K. The results show the method could be used to the measurement of near axial symmetry aero-optical medium.

Citation Download Citation

Wenyu Li, Zongfu Jiang, Xiang'ai Cheng, Weihong Hua, and Sheng-Ping Chen "Aero-optical simulated tomography measurement of a thin heated air cylinder", Proc. SPIE 7100, Optical Design and Engineering III, 71001Y (27 September 2008); https://doi.org/10.1117/12.796357

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KEYWORDS

CCD cameras

Interferometers

Tomography

Data acquisition

Refractive index

Temperature metrology

Optical tomography

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