Verifying an all fused silica miniature optical fiber tip pressure sensor performance with turbine engine field test

Xingwei Wang; Juncheng Xu; Yizheng Zhu; Bing Yu; Ming Han; Zhuang Wang; Kristie L. Cooper; Gary R. Pickrell; Anbo Wang; Aditya Ringshia; Wing Ng

doi:10.1117/12.631050

5 November 2005 Verifying an all fused silica miniature optical fiber tip pressure sensor performance with turbine engine field test

Xingwei Wang, Juncheng Xu, Yizheng Zhu, Bing Yu, Ming Han, Zhuang Wang, Kristie L. Cooper, Gary R. Pickrell, Anbo Wang, Aditya Ringshia, Wing Ng

Author Affiliations +

Proceedings Volume 5998, Sensors for Harsh Environments II; 59980L (2005) https://doi.org/10.1117/12.631050
Event: Optics East 2005, 2005, Boston, MA, United States

Abstract

Pressure sensors are the key elements for industrial monitoring and control systems to lower equipment maintenance cost, improve fuel economy, reduce atmospheric pollution, and provide a safer workplace. However, the testing environment is usually harsh. For example, inside the turbine engine, temperatures might exceed 600°C and pressures might exceed 100psi (690kPa), where most current available sensors cannot survive. Moreover, due to the restricted space for installation, miniature size of the sensor is highly desirable. To meet these requirements, a novel type of all fused silica optic fiber tip pressure sensor with a 125μm diameter was developed. It is a diaphragm based pressure sensor in which a Fabry-Perot interferometer is constructed by the end face of an optical fiber and the surface of a diaphragm connected by a short piece of hollow fiber. The FP cavity length and the interference pattern will change according to ambient pressure variation. Its main improvement with respect to previously developed optical sensors, such as those utilizing techniques of wet etching, anodic bonding and sol-gel bonding, is the fact that no chemical method is needed during the cavity fabrication. Its dynamic pressure performance was verified in a turbine engine field test, demonstrating not only that it can safely and reliably function near the fan of a turbine engine for more than two hours, but also that its performance is consistent with that of a commercial Kulite sensor.

Citation Download Citation

Xingwei Wang, Juncheng Xu, Yizheng Zhu, Bing Yu, Ming Han, Zhuang Wang, Kristie L. Cooper, Gary R. Pickrell, Anbo Wang, Aditya Ringshia, and Wing Ng "Verifying an all fused silica miniature optical fiber tip pressure sensor performance with turbine engine field test", Proc. SPIE 5998, Sensors for Harsh Environments II, 59980L (5 November 2005); https://doi.org/10.1117/12.631050

ACCESS THE FULL ARTICLE

INSTITUTIONAL
Select your institution to access the SPIE Digital Library.

SELECT YOUR INSTITUTION

PERSONAL
Sign in with your SPIE account to access your personal subscriptions or to use specific features such as save to my library, sign up for alerts, save searches, etc.

PERSONAL SIGN IN

No SPIE Account? Create one

PURCHASE THIS CONTENT

SUBSCRIBE TO DIGITAL LIBRARY

50 downloads per 1-year subscription

Members: $195

Non-members: $335 ADD TO CART

25 downloads per 1 - year subscription

Members: $145

Non-members: $250 ADD TO CART

PURCHASE SINGLE ARTICLE

Includes PDF, HTML & Video, when available