Heterogeneous catalytic ignition of n-butane/air mixtures on platinum |
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Authors: | Octavian Staicu Domnina Razus Valentin Munteanu Dumitru Oancea |
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Institution: | (1) Department of Physical Chemistry, University of Bucharest, 030018 Bucharest, Romania;(2) “Ilie Murgulescu” Institute of Physical Chemistry, Romanian Academy, 060021 Bucharest, Romania |
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Abstract: | The heterogeneous catalytic ignition of lean to stoichiometric n-butane/air mixtures were studied at various total pressures
between 10 and 100 kPa and at temperatures equal to or larger than the critical ignition temperatures. The induction periods,
ignition and extinction temperatures were measured under strict isothermal conditions. The discussion presented in this paper
is based on several literature models. The data analysis allowed for the determination of the overall kinetic parameters.
The rigorous isothermal conditions indicated that the extinction temperatures are lower than the ignition, a behavior different
from the results obtained in stagnation-point flow reactors.
![MediaObjects/11532_2009_40_Fig1_HTML.jpg](/content/t35w483748173484/MediaObjects/11532_2009_40_Fig1_HTML.jpg) |
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Keywords: | Catalytic ignition n-Butane Platinum wire Ignition delay Bifurcation |
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