Research on optical method for measuring pressure distribution in the airflow field

NI Min; ZHENG Yuan-ming; XU Shi-jia; HAN Wei-wei; XU Xiao-lin; CAO Zheng

doi:10.16854 /j.cnki.1000-0712.2017.05.0010

College Physics >

2017 , Vol. 36 >Issue 5: 38 - 41

DOI: https://doi.org/10.16854 /j.cnki.1000-0712.2017.05.0010

Research on optical method for measuring pressure distribution in the airflow field

NI Min ,
ZHENG Yuan-ming ,
XU Shi-jia ,
HAN Wei-wei ,
XU Xiao-lin ,
CAO Zheng

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1. College of Mathematics and Science，Shanghai Normal University，Shanghai， 200234，China; 2. Fudan Days Hin Science Instrument co.，LTD，Shanghai 200433，China

Received date: 2016-05-17

Revised date: 2016-09-08

Online published: 2017-05-20

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Abstract

Based on the Michelson interferometer with a basic optical component，we use an optical method to measure the changes of pressure and refractive index within an area. Then synthesize the static and dynamic images by computer technology to obtain the lines of equal pressure of the air current field. Finally， the experimental phenomena is analyzed.

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NI Min , ZHENG Yuan-ming , XU Shi-jia , HAN Wei-wei , XU Xiao-lin , CAO Zheng . Research on optical method for measuring pressure distribution in the airflow field[J]. College Physics, 2017 , 36(5) : 38 -41 . DOI: 10.16854 /j.cnki.1000-0712.2017.05.0010

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