NDLI: Acoustic tomography system for online monitoring of temperature fields

Content Provider	IET Digital Library
Author	Yan, Hua Ma, Zhao Zhou, Ying Gang
Abstract	For online monitoring of complex temperature distributions, an acoustic tomography system based on sound travel-time measurement is developed. For coping with the reverberation phenomenon in actual measurement, an anti-reflection interference measurement method for sound travel-time is proposed based on cross-correlation and peak recognition. In view of the fact the pixel number provided by commonly used reconstruction algorithms, such as least-squares methods, is very limited, radial basis function approximation and regularisation technique are used, which leads to the pixel number of the reconstruction image increasing dramatically. Mixed programming with LabVIEW and MATLAB is used. Queue structure is adopted to make data acquiring program and data processing program parallel. Test results show that the system can run normally as designed. The measurement values of sound travel-time acquired by the proposed method are stable even in strong reflection interference. Test results show that the system can run normally as designed. The measurement values of sound travel-time acquired by the proposed method are stable even in strong reflection interference. The temperature fields reconstructed are coincided with actual fields, and correctly reflect the temperature changes in the measured area with the heater number, heater location and heating time.
Starting Page	623
Ending Page	630
Page Count	8
ISSN	17518822
Volume Number	11
e-ISSN	17518830
Issue Number	Issue 5, Aug (2017)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-smt/11/5
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-smt.2016.0303
Journal	IET Science, Measurement & Technology
Publisher Date	2017-03-15
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Acoustic Correlation Acoustic Tomography Acoustic Tomography System Acoustic Variables Measurement Acoustic Wave Interference Antireflection Interference Measurement Method Approximation Theory Complex Temperature Distribution Monitoring Computer Vision And Image Processing Technique Computerised Instrumentation Cross-correlation Data Acquiring Program Data Acquisition Data Acquisition Equipment And Technique Data Acquisition System Data Processing Program Image Recognition Image Reconstruction Image Reconstruction Algorithm Interpolation And Function Approximation LabVIEW Programming Least Squares Approximation Least-square Method Mathematics Computing MATLAB Programming Measurement of Acoustic Variables Numerical Analysis Numerical Approximation And Analysis Peak Recognition Queue Structure Radial Basis Function Approximation Regularisation Technique Reverberation Reverberation Phenomenon Sonic And Ultrasonic Application Sound Traveltime Measurement Temperature Distribution Temperature Measurement Thermal Variables Measurement Thermometry Time And Frequency Measurement Time Measurement Virtual Instrumentation
Content Type	Text
Resource Type	Article
Subject	Atomic and Molecular Physics, and Optics Electrical and Electronic Engineering

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
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