Experimental and analytical studies of floor covering flammability with a model corridor

Denyes, Wells; Quintiere, James G.

doi:10.6028/nbs.ir.73-199

Cited by 7 publications

(7 citation statements)

References 7 publications

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“…An analysis of this kind has not often been attempted in the past because an adequate room fire theory has not been available. An example of analysis based on a theoretical model is the corridor test program [58][59][60][61] at NBS . Quintiere [62] has recently presented a useful model for room fire growth and reviewed the theoretical efforts.…”

Section: Bases For Hazard Analysismentioning

confidence: 99%

Combustion of mattresses exposed to flaming ignition sources :

Babrauskas¹

1977

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A test program was conducted to assess the hazards of institutional mattresses when subjected to a sustained flaming ignition source. This report gives results on full-scale room burns of ten different mattress types under several ventilation conditions. Tenability and rapid flame spread potential criteria were applied in a hazard assessment which showed a wide range of behavior among mattresses now being used in institutions. An extensive review of previous fire tests involving mattresses is included.

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Section: Bases For Hazard Analysismentioning

confidence: 99%

Combustion of mattresses exposed to flaming ignition sources :

Babrauskas¹

1977

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“…Full-scale corridor fire experiments at the National Bureau of Standards [6,7] and research with the NBS Model Corridor [11], essentially an extension of the UL work, led to the concept of critical radiant flux, the basis for ranking floor covering systems in the Flooring Radiant Panel Test [12,13].…”

Section: )mentioning

confidence: 99%

Examination of the variability of the ASTM E 648 standard with respect to carpets

Davis¹,

Lawson²,

Glicksman³

et al. 1989

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EXECUTIVE SUMMARY PURPOSE AND SCOPEThe objectives of this research program were to investigate the variability of the ASTM E 648 Standard with respect to carpets and to make recommendations for revising the standard to improve the repeatability and reproducibility of the measured results. The need for such a study arose from NVLAP's concerns about the high coefficients of variation resulting from proficiency rounds carried out as part of the Carpet LAP.One carpet was studied to investigate the ignitability and flame propagation problem experienced by CRI in the summer of 1987.Several ignition sources and procedural variations were investigated to assure that flame propagation would occur; the most significant finding was that a propane line burner gave a more uniform burn pattern than the propane torch point source pilot burner and seemed to insure propagation away from the ignition area provided the critical radiant flux was less from the maximum flux from the panel.Eight carpets of varying fibers and constructions were examined using the standard procedure to determine which would result in the lowest coefficient of variation.One was chosen for a parametric study of the test variables. Based on the findings of this study, a "proficiency round" was carried out using this carpet and recommendations were made to ASTM Committee E05 on Fire Standards for revision of ASTM E 648. CONCLUSIONS AND RECOMMENDATIONSThe following conclusions resulted from this study:• Replacement of the point ignition source by a line burner improves the likelihood of flame propagation and provides more even burn patterns.• The rate of air flow through the apparatus has a significant effect on test results.• Contrary to previous experience with NVLAP proficiency rounds, good reproducibility can be achieved by paying closer attention to prescribed procedures.• Conditioning time up to at least 12 days appears to increase critical radiant flux values .• Imposing a time limit on the test is not a viable means for determining critical radiant flux of a carpet. iii • Use of 100 lb, or smaller, bottles of commercial propane can influence operating conditions during the course of the day if proper attention is not paid to making adjustments in the gas flow rate to maintain the panel operating temperature and flux profile.• The radiant panel requires 1 1/2 hours to approach equilibrium when propane is used for the fuel; equilibrium was achieved in only 1 hour with natural gas.Specific recommendations for further work which need to be addressed are as follows ;• Carry out a round robin with a wide selection of carpets, including as many laboratories as are willing to participate.• All future NVLAP proficiency rounds should be performed using the same adhesive supplied from a single source.• Determine the effect of specimen location on the carpet to assess variation in the product and determine the effect of carpet aging on critical radiant flux.Additional consideration should be given to the following in order to further the development of the Floor...

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“…On a set of experimental tests in the MMFPA Model Corridor, a typical carpet sample requires about 0.3 watts/cm^to maintain a flame front [5].…”

Section: Test Operation At Several Thermal Conditionsmentioning

confidence: 99%

“…A summary of that testing is shown in table 5. The average percent coefficient of variation has been calculated for replicate tests for each temperature.…”

Section: An Examinatiion Of Test Repeatabilitymentioning

confidence: 99%

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Development of a radiant panel test for flooring materials

Hartzell¹

1974

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This paper summarizes the work of a year long program to continue the development of a radiant panel type test for flooring materials, the original concept of which was developed at the Armstrong Cork Company's Research and Development Center in Lancaster, Pennsylvania. This program at the National Bureau of Standards had as its goal, the further development of the test for possible adoption as a standard ASTM test method. Under the third and fourth phases of the program, the effects of changes in some test parameters were investigated and other test characteristics were measured. Phase V, the data analysis and report, concluded the program.

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Experimental and analytical studies of floor covering flammability with a model corridor

Cited by 7 publications

References 7 publications

Combustion of mattresses exposed to flaming ignition sources :

Combustion of mattresses exposed to flaming ignition sources :

Examination of the variability of the ASTM E 648 standard with respect to carpets

Development of a radiant panel test for flooring materials

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