Assessment of smoke density with a helium–neon laser

Clark, F. R. S.

doi:10.1002/fam.810090105

Cited by 9 publications

(1 citation statement)

References 7 publications

(1 reference statement)

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“…The flow rate inside the duct was measured using a 'Kanomax' hot-wire anemometer probe placed as near to the laser source as possible. In the present set of experiments the flow rate was kept constant at 0.5 ms-' so that the time integral of OD profiles were readily comparable in accordance with Eqn (6).…”

Section: Experimental Set-upmentioning

confidence: 88%

Assessment of effectiveness of smoke suppressants—using a He–Ne laser in a flow system

et al. 1993

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In the study of smoke suppressants the measurement of gross amount of smoke from a given sample is essential. However, smoke being a complex phenomenon, its measurement with optical methods presents practical problems. The paper describes a flow system for the measurement of smoke production. Effectiveness of smoke-suppressant formulations for poly(viny1 chloride) as assessed in a flow system is reported. Results of experiments conducted to probe and establish the capability of smoke measurement in a flow system using a helium-neon laser are discussed.

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Section: Experimental Set-upmentioning

confidence: 88%

Assessment of effectiveness of smoke suppressants—using a He–Ne laser in a flow system

et al. 1993

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Optical measurement of smoke

Chow

Lai

1992

Fire and Materials

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~~The optical density of smoke liberated by burning seven samples of materials and six commercial plastic products was studied using different light sources in a modified NBS smoke chamber. Materials included plywood, PMMA (polymethylmethacrylate), PF (phenolformaldehyde), PE (polythene), PC (polycarhonate), PP (polypropene) and POM (acetal). The plastic products were a polyvinylchloride pipe, an unplasticized polyvinylchloride pipe, a telephone casing, an insulator, an electrical fitting and floor tiles. Light sources used were a helium-neon laser, a mercury lamp, a sodium lamp and a tungsten filament lamp. The errors in optical measurement of smoke due to a forward-scattering effect and the frequency of light beam were investigated.

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Smoke production in the cone calorimeter and the room fire test

Östman

Tsantaridis

1991

Fire Safety Journal

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Assessment of smoke density with a helium–neon laser

Cited by 9 publications

References 7 publications

Assessment of effectiveness of smoke suppressants—using a He–Ne laser in a flow system

Assessment of effectiveness of smoke suppressants—using a He–Ne laser in a flow system

Optical measurement of smoke

Smoke production in the cone calorimeter and the room fire test

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