Flame Projectors for Show Effects – Investigations of Thermal Radiation for Assessing Safety Distances

Lutz Kurth

Abstract: The use of flames as part of shows is state of the art. Besides pyrotechnic flame projectors, the use of projectors that produce flames by burning various gases, liquids and dusts is significantly increasing. In this study infrared radiation in the wavelength range from 7.5 to 14 microns was measured for several systems (flame projectors) and set in relation to known human pain threshold levels. From this relation safety distances been determined for a static scenario (audience watching show) and compared with those of approved pyrotechnic articles.

 


Ref: JPyro, Issue 34, 2015, pp31-36 (J34-31)


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