- Restrictions on Access:
- Unclassified, Unlimited, Publicly available.
- A device has been developed for generating a rapid response signal upon the radiation-emitting combustion reaction of certain gases in order to provide a means for the detection and identification of such reaction and concurrently discriminate against spurious signals. This combustion might be the first stage of a coal mine explosion process, and thereby this device could provide a warning of the impending explosion in time to initiate quenching action. This device has the capability of distinguishing between the light emitted from a combustion reaction and the light emitted by miners' lamps, electric lamps, welding sparks or other spurious events so that the quenching mechanism is triggered only when an explosion-initiating combustion occurs.
- NASA Technical Reports Server (NTRS) Collection.
- Document ID: 19730007757.
Accession ID: 73N16484.
- No Copyright.
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