Video system combines images from visible spectrum and from three bands in infrared spectrum to produce color-coded display in which hydrogen fires distinguished from other sources of heat. Includes linear array of 64 discrete lead selenide mid-infrared detectors operating at room temperature. Images overlaid on black and white image of same scene from standard commercial video camera. In final image, hydrogen fires appear red; carbon-based fires, blue; and other hot objects, mainly green and combinations of green and red. Where no thermal source present, image remains in black and white. System enables high degree of discrimination between hydrogen flames and other thermal emitters.


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    Titel :

    Video System Highlights Hydrogen Fires


    Beteiligte:

    Erschienen in:

    Erscheinungsdatum :

    1992-12-01



    Medientyp :

    Sonstige


    Format :

    Keine Angabe


    Sprache :

    Englisch


    Schlagwörter :


    Visualization of hydrogen fires.

    Proffit, R. L. | NTRS | 1967



    Two-Band Pyrometers Detect Hydrogen Fires

    Collins, J. David / Youngquist, Robert C. / Simmons, Stephen M. | NTRS | 1993



    Discrimination of hydrogen fires from reflected background emissions

    Smith, Harvey / Barnes, Heidi / Medelius, Pedro et al. | AIAA | 1995