Results 1 - 3 of 3
1/1/1991 - Reports of InvestigationsThis report details the results of a series of large-scale experiments where small coal fires were used to ignite the conveyor belt at specific air velocities, and showed conditions required for early detection of conveyor belt entry fires.
5/1/1997 - Reports of InvestigationsA report evaluating a wireless signaling and warning system for underground mines applicable to both coal and non-coal mines. A TeleMagnetic Signalling Systems wireless ultra-low-frequency electromagnetic signaling system was installed and tested.
1/1/1996 - Reports of InvestigationsAn evaluation of the comparative responses of five types of commercially available smoke detectors and a diffusion-mode CO detector under normal and reduced airflow conditions.