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Ultrasonography

Ultrasonography

Ultrasonography is an imaging technique that uses high-frequency sound waves to visualize the body's internal structures. It is a non-invasive and safe procedure that does not involve the use of ionizing radiation, making it widely used in various medical fields. Ultrasonography is used to study heart function, blood flow in the neck or extremities, certain conditions such as gallbladder disease, and fetal growth and development.
During an ultrasonography procedure, a handheld device called...

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Cortical Bone Assessment Using Ultrasonic Guided Waves: A Reproducibility Study in a Healthy Population

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Ultrasonic guided wave tomography for ice detection.

Xiang Zhao¹, Joseph L Rose²

¹FBS Incorporated DBA Guidedwave, 450 Rolling Ridge Drive, Bellefonte, PA 16823, United States.

|January 10, 2016

Summary

This summary is machine-generated.

This study validates a probability-based reconstruction algorithm (PRA) for ice detection on plate-like structures using ultrasonic guided waves. The PRA method successfully identified ice in various configurations, proving its potential for aircraft safety.

Keywords:

Guided waves Ice detection Structural health monitoring Tomography Ultrasound

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Area of Science:

Materials Science
Non-destructive Testing
Aerospace Engineering

Background:

Ice formation on aircraft poses significant safety risks, necessitating reliable detection methods.
Existing ice detection systems have limitations, particularly for critical structural components.

Purpose of the Study:

To experimentally validate a probability-based reconstruction algorithm (PRA) for ice detection on plate-like structures.
To assess the feasibility of using ultrasonic guided wave tomography for ice sensing in diverse scenarios.

Main Methods:

Experimental testing of ice detection on three distinct plate specimens: aluminum, titanium, and carbon-fiber-reinforced titanium.
Application of a probability-based reconstruction algorithm (PRA) with ultrasonic guided wave tomography.
Reconstruction of ice detection images to analyze algorithm performance.

Main Results:

The PRA-based ultrasonic guided wave tomography successfully detected and localized ice spots on all tested specimens.
Demonstrated the ability to differentiate ice from water using special modes.
Showcased the potential for detecting ice on the sensor-free side of structures, crucial for aircraft wings.

Conclusions:

Ultrasonic guided wave imaging technology, coupled with PRA, is a viable and effective tool for ice detection on plate-like structures.
The validated method offers a promising solution for enhancing safety in industries prone to ice formation, especially aviation.