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HEAVY FUEL OIL COMBUSTION IN A CYLINDRICAL LABORATORY FURNACE: MEASUREMENTS AND MODELING

Ari Saario, Antti Oksanen

2004encombustionheavy fuel oilmeasurementscfdnitrogen oxides

Abstract

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This study investigates the combustion process in a heavy fuel oil fired laboratory furnace using a finite-volume based commercial CFD-code Fluent. The primary objective was to simulate the reacting flow and validate the results against experimental data. Both the standard k-ε turbulence model and the Reynolds stress model (RSM) were tested to assess their effectiveness. The combustion model implemented used the conserved scalar (mixture fraction) and prescribed probability density function (pdf) approach, along with a Lagrangian treatment to predict heavy fuel oil droplet trajectories. Soot distribution was analyzed through a transport equation for soot mass fraction, employing simple expressions for soot formation and oxidation rates. The radiation heat transfer was addressed using the discrete ordinates method, and the formation of thermal NO was modeled by the extended Zeldovich mechanism. Validation against experimental measurements revealed that the standard k-ε model inadequately predicted the swirling flow while the RSM provided better agreement. Experimental data included gas species concentrations and droplet size distribution, underscoring the complexity of accurately modeling combustion in such conditions.

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Cite This Work

@article{86ccaf3f-38dd-4b23-90c5-3dc1e4c48c69,
  title={HEAVY FUEL OIL COMBUSTION IN A CYLINDRICAL LABORATORY FURNACE: MEASUREMENTS AND MODELING},
  author={Ari Saario and Antti Oksanen},
  year={2004},
  language={en}
}
TY  - JOUR
TI  - HEAVY FUEL OIL COMBUSTION IN A CYLINDRICAL LABORATORY FURNACE: MEASUREMENTS AND MODELING
AU  - Ari Saario
AU  - Antti Oksanen
PY  - 2004
LA  - en
ER  -

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