An experimental study on carbon monoxide emission reduction at a fire tube water heater |
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| Authors: | Ozer Aydin Y Erhan Boke |
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| Affiliation: | 1. Department of Mechanical Engineering, Dumlupinar University, Kutahya, Turkey;2. Mechanical Engineering Faculty, Istanbul Technical University, Istanbul, Turkey;1. Department of Chemical Engineering, Mahshahr Branch, Islamic Azad University, Mahshahr, Iran;2. Chemical Engineering Department, Babol University of Technology, P. O. Box 484, 4714871167 Babol, Iran;1. IFP Énergies Nouvelles, Établissement de Lyon, Rond-point de l’échangeur de Solaize, BP 3, 69360 Solaize, France;2. LASIR, CNRS, Université Lille Nord de France, Sciences et technologies, Cité scientifique, bât. C5, 59665 Villeneuve d’Ascq Cedex, France;1. Biochemistry, Biochemical Analysis & Matrix Pathobiology Research Group, Laboratory of Biochemistry, Department of Chemistry, University of Patras, Patras, Greece;2. Foundation for Research and Technology, Institute of Chemical Engineering Sciences (FORTH/ICE-HT), Patras, Greece;3. Faculdade de Medicina, disciplina de Imunologia, Universidade Federal do Rio de Janeiro, Campus Macaé, Brazil;4. Laboratório de Bioquímica e Biologia Cellular de Glicoconjugados, Programa de Glicobiologia, Instituto de Bioquímica Médica Leopoldo De Meis and Hospital Universitário Clementino Fraga Filho, Universidade Federal do Rio de Janeiro, Brazil;5. Center of Toxicology Science & Research, Medical School, University of Crete, Heraklion, Crete, Greece;1. Department of Flow, Heat and Combustion Mechanics, Ghent University, Sint-Pietersnieuwstraat 41, B-9000 Ghent, Belgium;2. Flanders Make, The Strategic Research Centre for the Manufacturing Industry, Campus Arenberg Celestijnenlaan 300 – bus 4027, B-3001 Heverlee, Belgium;3. Deconinck-Wanson, Legen Heirweg 43, 9890 Gavere, Belgium |
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| Abstract: | In this study, effects of the addition of solid surface on carbon monoxide (CO) emission reduction were investigated in a combustion chamber of a three pass fire tube water heater. The solid surface called as the filling material (FM) was placed coaxially in the center of the combustion chamber. The experiments were carried out on a 116 kW fire tube water heater as described in the European Standard EN 676. A natural gas burner was equipped to this heater. The geometry of the FM and excess air ratio (EAR) were the parameters for the experimental study. The CO and hydrogen (H2) concentrations along with the flame temperature were measured in the combustion chamber. It was found that the FM decreased the CO and H2 concentrations considerably. But the flame temperature increased with increasing diameter and length of the FM. For the stochiometric air–fuel ratio, CO emission decreased dramatically compared to the no-FM-case. In the case of without FM, the flame diffused radially in the combustion chamber and the CO concentration increased for the stochiometric air–fuel ratio. It is apparent that the FM diameter is more effective to reduce the emission of the incomplete products. |
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