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Related Experiment Video

Updated: Jul 2, 2026

Sensing of Barrier Tissue Disruption with an Organic Electrochemical Transistor

Sensing of Barrier Tissue Disruption with an Organic Electrochemical Transistor

Published on: February 10, 2014

Sensor-trigger device for explosion barrier.

I Liebman¹, F Duda, R Conti

¹U. S. Department of Interior, Bureau of Mines, Pittsburgh Mining and Safety Research Center, 4800 Forbes Avenue, Pittsburgh, Pennsylvania 15213, USA.

The Review of Scientific Instruments

|November 1, 1979

Summary

This summary is machine-generated.

A new flame sensor device was developed to prevent coal dust explosions in mines. It uses dual infrared sensors and pressure activation to ensure reliable barrier triggering, enhancing underground safety.

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Research and Development of High-performance Explosives

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Sensing of Barrier Tissue Disruption with an Organic Electrochemical Transistor

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Research and Development of High-performance Explosives

Research and Development of High-performance Explosives

Published on: February 20, 2016

Area of Science:

Mining Engineering
Safety Systems
Explosion Prevention

Background:

Coal dust explosions pose a significant threat in underground mining environments.
Existing explosion suppression systems require reliable and rapid triggering mechanisms.

Purpose of the Study:

To develop an advanced flame sensor-trigger device for mine safety barriers.
To enhance the reliability and reduce false triggers in explosion suppression systems.

Main Methods:

Development of a dual infrared flame sensor.
Integration of a pressure-arming element for enhanced trigger logic.
Testing of the device for efficacy in suppressing coal dust explosions.

Main Results:

The developed device effectively triggers barriers to suppress coal dust explosions.
The combination of flame sensing and pressure activation significantly reduces false and premature triggering.
The system demonstrates potential for adaptation to other explosion types.

Conclusions:

The novel flame sensor-trigger device offers a reliable solution for coal dust explosion suppression in mines.
The technology can be modified for broader applications in industrial explosion protection.
This advancement contributes to improved safety in hazardous environments.