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Articles dans des revues avec comité de lecture |
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| Domaine : |
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| Titre : |
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Characterisation of coking activity during supercritical hydrocarbon pyrolysis |
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| Auteur(s) : |
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Nicolas Gascoin ( ) 1, 2, 3, Philippe Gillard 3, Marc Bouchez 4 |
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| Laboratoire : |
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| Résumé : |
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The active cooling of the Supersonic Combustion Ramjet engine, for hypersonic flight purpose, is ensured thanks to fuel, n-dodecane for the present study. The endothermic fuel pyrolysis, starting above 800 K, could generate an unwanted coke formation. Experimental tests up to 1125 K and between 1 MPa and 6 MPa have been performed on the hydrocarbon fuel pyrolysis to evaluate the coking activity. 316L stainless steel, low carbon steel and titanium reactors have been considered. A witness of the coke formation, based on its thermal insulation and pressure loss effects, has been found. A correlation between methane production and coke deposit was found. The coke has been studied with Scanning Electron Microscope (SEM), Energy Dispersion Spectroscopy (EDS), X-ray diffractometer and Fourier Transform Infrared (FTIR) spectroscopy. The porosity, the density and the permeability of the coke have been estimated. © 2008 Elsevier B.V. All rights reserved. |
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Langue du texte
intégral : |
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Anglais |
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| Journal : |
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| Fuel Processing Technology |
| Publisher |
Elsevier |
| ISSN |
0378-3820 |
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| Audience : |
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internationale |
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| Date de publication : |
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2008 |
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| Volume : |
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89 |
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| Numéro : |
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12 |
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| Page, identifiant, ... : |
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1416-1428 |
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| Mots Clés : |
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Carbon steel – Chemical reactions – Coke – Combustion – Electron energy loss spectroscopy – Fourier transform infrared spectroscopy – Fourier transforms – Hydrocarbons – Infrared spectroscopy – Methane – Organic compounds – Petroleum chemistry – Pyrolysis – Ramjet engines – Scanning electron microscopy – Steel – Thermal insulation – Thermogravimetric analysis – Titanium – 316l stainless steels – Active cooling – Catalytic effect – Characterisation – Coke deposits – Coke formations – Dodecane – Energy dispersions – Experimental tests – Fourier transform infrared – Fuel pyrolysises – Hydrocarbon fuels – Hydrocarbon pyrolysis – Hydrocarbon pyrolysises – Hypersonic flights – Low carbon steels – Methane productions – n-Dodecane – Pressure losses – Scanning electron microscopes – Supercritical – Supercritical state – Supersonic combustion ramjet engines – Stainless steel |
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| Commentaire : |
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cited By (since 1996) 5 |
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