Two-dimensional distribution measurement of in-plane velocity component using bias-frequency spatial encoding

Koichi Maru; Yuji Hashimoto; Sayyidatul N. A. B. Abd Ghafar

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Two-dimensional distribution measurement of in-plane velocity component using bias-frequency spatial encoding

机译：Two-dimensional distribution measurement of in-plane velocity component using bias-frequency spatial encoding

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摘要

We propose a differential laser Doppler velocimeter (LDV) for two-dimensional (2D) distribution measurements of the in-plane velocity component based on bias-frequency spatial encoding. Using two crossing beam arrays, the structure can effectively assign bias frequencies to the measurement points over a 2D area. As a feasibility study of the proposed method, velocity distribution measurements were conducted using a 4 × 4-channel optical setup. The experimental results indicate that the proposed method could successfully measure the 2D distribution of the in-plane velocity component.

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来源
《Optical Engineering》 |2021年第3期|034108-1-034108-8|共8页
作者
Koichi Maru; Yuji Hashimoto; Sayyidatul N. A. B. Abd Ghafar;
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作者单位

Kagawa University, Faculty of Engineering and Design, Takamatsu, Japan;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);
原文格式 PDF
正文语种英语
中图分类计量学;
关键词
laser Doppler velocimeter; laser sensors; velocity distribution measurement; spatial encoding; interferometry;

Two-dimensional distribution measurement of in-plane velocity component using bias-frequency spatial encoding

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