2010 14th International Heat Transfer Conference, Volume 3 2010
DOI: 10.1115/ihtc14-23121
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Abstract: A hydrogen reformer furnace is a combustion chamber which is used to supply heat for the catalytic process that converts natural gas into hydrogen. The reforming reaction that happens inside the catalyst tubes is endothermic, requiring high levels of heat input. The combustion process in the hydrogen reformer furnace provides the heat to maintain the chemical reaction inside the catalyst tubes. Temperature control of the catalyst tubes is a fundamental design requirement of the hydrogen reformer furnace, as th… Show more

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Cited by 8 publications
(6 citation statements)
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“…Hori dela eta, komeni da labe erreformatzailearen barruan tenperatura-banaketa uniformea egotea, hodien degradazioa ekiditeko eta bero-transferentzia eraginkorki gertatzeko. Hala ere, termografia infragorriaren bitartez egindako neurketetan, tenperatura-banaketa ez-uniformeak behatu izan dira hainbat labe industrialetan [40]. Tenperatura-banaketa ez-uniformearen arrazoi nagusia errekuntza-ganberan errekuntza-produktuen abiadura-banaketa asimetrikoa izan ohi da [40].…”
Section: Ane Gondra Maialen Araneta Jose Miguel Campillo-roblesunclassified
“…Hori dela eta, komeni da labe erreformatzailearen barruan tenperatura-banaketa uniformea egotea, hodien degradazioa ekiditeko eta bero-transferentzia eraginkorki gertatzeko. Hala ere, termografia infragorriaren bitartez egindako neurketetan, tenperatura-banaketa ez-uniformeak behatu izan dira hainbat labe industrialetan [40]. Tenperatura-banaketa ez-uniformearen arrazoi nagusia errekuntza-ganberan errekuntza-produktuen abiadura-banaketa asimetrikoa izan ohi da [40].…”
Section: Ane Gondra Maialen Araneta Jose Miguel Campillo-roblesunclassified
“…The index g denotes the flue gas. The distinction between wall-facing and tube-facing radiative heat flows is made because flue gas temperatures close to walls and burner inlets are assumed higher than between tubes, as previously observed in CFD studies of reformers (Zheng et al, 2010). Scattering in the furnace domain can be neglected due to the small path lengths compared to atmospheric radiation calculations.…”
Section: Radiation-based Furnace Modelmentioning
confidence: 99%
“…Modeling of reformers is challenging due to the fast reaction kinetics, complex flow patterns, and significance of all modes of heat transfer-including radiation. This is why high-fidelity models of a full-scale top-fired reformer have been published only recently (Zheng et al, 2010;Tran et al, 2017). The authors used their reformer model to suggest process intensification strategies such as modification of individual tube loads and the selective closing of exhaust flue gas channels to obtain more homogeneous temperature profiles throughout the furnace.…”
Section: Introductionmentioning
confidence: 99%
“…Using CFD to resolve the realistic flow field in a coupled furnace-reactor system, Oprins et al 14 showed that better thermal efficiency can be obtained by non-uniform fuel gas distribution. Zheng et al 15 showed that the tube temperature distribution is adversely affected by maldistribution of flue gas, leading to localized hot regions. However, these CFD models are computationally intensive and Here, the fuel flow rate through each row of burners is adjusted to control the lumped outlet temperatures of multiple tube bundles.…”
Section: Introductionmentioning
confidence: 99%