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Experimental determination of burning velocity of methane-air mixtures in a constant volume vessel

✍ Scribed by D.D. Agrawal

Publisher: Elsevier Science
Year: 1981
Tongue: English
Weight: 429 KB
Volume: 42
Category: Article
ISSN: 0010-2180
DOI: 10.1016/0010-2180(81)90160-7

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✦ Synopsis

The relation between the coefficient of expansion of the combustion products and the relative end pressure following constant volume combustion can be expressed by a straight line E i = 0.848 Pe/Pi. The apparent flame propagation velocity S s and maximum pressure Pe were obtained from radius-time and pressure-time records taken after igniting the mixture in a constant volume spherical vessel. It was possible to determine the normal burning velocity solely from the initial experimental data as the ratio of spatial speed to expansion ratio (S u = Ss/Ei). The normal bunting velocities of methane-air mixtures with various initial mixture composition and pressure were dtermined. It was found that the burning velocity is dependent on the reciprocal of the pressure.

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