Numerical analysis of the thermal and fluid dynamic behaviour of the flue gases in a traditional furnace for panela production
Análisis numérico del comportamiento térmico y fluidodinámico de los gases de combustión en un horno tradicional para la producción de panela
Date
2019-06-08
2019-06-08
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Abstract
Introduction−Panela is a product derived from sugar cane that is prepared using a traditional burner designed especially for this purpose. According to studies found in the literature, it was identified that the thermal ef-ficiency of panela burners is 30% on average.Objective−The objective of this investigation is to con-tribute to the search for new alternatives for the im-provement of the low efficiency present on these systems, mainly affecting the flue gases duct.Methodology−The development of this study is as fol-lows: first, a research of the radiation and optical thick-ness effect in a simplified furnace is carried out. After-ward, a series of simulations with modifications in the design of the flue gas duct for a real size furnace are analyzed.Results−The results showed that the radiation effect must be considered and, even though the optical thick-ness is low, it has a relevant impact in the heat transfer process due to the high temperatures in the furnace. A chaotic movement of the gases implied more heat trans-ferred to the heaters and high values of Nusselt with the addition of new elements in the duct were obtained.Conclusions−Arrangement 1, provides the best results with a Nusselt and thermal efficiency increase. No sig-nificant differences between the DOM and the P-1 radia-tion were found.
Referencias:
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Mendieta, “Desarrollo de un modelo experimental para el coeficiente de transferencia de calor en el proceso de evaporación del jugo de caña de azúcar en un arreglo de película delgada,” Univ. Industrial de Santander, Bucaramanga, Colombia, 2012. G. B. Agalave, “Performance improvement of a single pan traditional Jaggery making furnace by using fins and baffle,” Int. J. Adv. Res. Sci. Eng., vol. 4, no. 4, pp. 85–89, Apr. 2015. Available: https://www.ijarse.com/images/fullpdf/1429353638_12_Research_Paper.pdf J. Osorio, H. Ciro, and A. Espinosa, “Evaluación Térmica y Validación de un Modelo por Métodos Computacionales para la Hornilla Panelera GP150,” Dyna, vol. 77, no. 162, pp. 237–247, Jun. 2010. Available: http://bdigital.unal.edu.co/5373/1/jairoosorio.2010.pdf D. Choudhury, Introduction to the renormalization group method and turbulence modeling, Lebanon NH, USA: Fluent Inc., 1973. R. La Madrid, D. Marcelo, E. M. Orbegoso, and R. Saavedra, “Heat transfer study on open heat exchangers used in jaggery production modules – Computational Fluid Dynamics simulation and field data assessment,” Energy Convers. Manag., vol. 125, pp. 107–120, Oct. 2016. Doi: https://doi.org/10.1016/j.enconman.2016.03.005 D. Wilcox, “Formulation of the k-omega Turbulence Model Revisited,” in 45th AIAA Aerospace Sciences Meeting and Exhibit, Reno, Nevada, Jan. 8–11, 2007. doi: https://doi.org/10.2514/6.2007-1408 M. F. Modest, “Chapter 23 - Inverse Radiative Heat Transfer,” in Radiative Heat Transfer, 3rd Ed., pp. 779-802, Cambrigde, MA, USA: Academic Press, 2013. doi: https://doi.org/10.1016/B978-0-12-386944-9.50023-6 G. Colomer, M. Costa, R. Cònsul, and A. Oliva, “Threedimensional numerical simulation of convection and radiation in a differentially heated cavity using the discrete ordinates method,” Int. J. Heat Mass Transf., vol. 47, no. 2, pp. 257–269, Jan. 2004. doi: https://doi.org/10.1016/S0017-9310(03)00387-9 M. F. Modest, Radiative Heat Transfer, 3rd Ed., Cambrigde, MA, USA: Academic Press, 2013. Doi: https://doi.org/10.1016/B978-0-12-386944-9.50023-6 OpenCFD Ltd (ESI Group), “OpenFOAM.”. https://www.openfoam.com/about/ S. B. Pope, Turbulent flows. Cambridge, MA, USA: Cambridge Univ. Press, 2000. doi: https://doi.org/10.1017/CBO9780511840531 D. Wilcox, Turbulence modeling for CFD. La Cañada, CA, USA: DCW Industries, Inc., 1998. J. E. Jaramillo Ibarra, “Suitability of different RANS models in the description of turbulent forced convection flows: application to air curtains,” TDX (Tesis Dr. en Xarxa), Univ. Politècnica de Catalunya. Dept. de Màquines i Motors Tèrmics Barcelona, España, 2008. J. E. Jaramillo, C. D. Pérez-Segarra, A. Oliva, and K. Claramunt, “Analysis of different RANS models applied to turbulent forced convection,” Int. J. Heat Mass Transf., vol. 50, no. 19–20, pp. 3749–3766, Sept. 2007. doi: https://doi.org/10.1016/j.ijheatmasstransfer.2007.02.015 D. Wilcox, Turbulence Modeling for CFD, 2nd Ed., Miami, FL, USA: Amazon.com: Books, 2006. P. Crnjac, L. Škerget, J. Ravnik, and M. Hriberšek, “Implementation of the Rosseland and the P1 Radiation Models in the System of Navier-Stokes Equations with the Boundary Element Method,” Int. J. Comput. Methods Exp. Meas., vol. 5, no. 3, pp. 348–358, Abr. 2017. doi: https://doi.org/10.2495/CMEM-V5-N3-348-358 Y. A. Çengel, Heat and mass transfer: a practical approach. India: McGraw-Hill Education, Pvt. Limited, 2007. G. Gordillo and H. García, Manual para el diseño y operación de hornillas paneleras. Convenio de investigación y divulgación para el mejoramiento de la industria panelera, Barbosa, Santander, Colombia: CIMPA, 1992. C. J. Greenshields, OpenFOAM User-Guide, no. 5, May. 2015.
P. V. K. Jagannadha Rao, M. Das, and S. K. Das, “Changes in physical and thermo-physical properties of sugarcane, palmyra-palm and date-palm juices at different concentration of sugar,” J. Food Eng., vol. 90, no. 4, pp. 559–566, Feb. 2009. doi: https://doi.org/10.1016/j.jfoodeng.2008.07.024 N. Singh, D. Kumar, S. Raisuddin, and A. P. Sahu, “Genotoxic effects of arsenic: prevention by functional food-jaggery.,”Cancer Lett., vol. 268, no. 2, pp. 325–30, Sep. 2008. doi: https://doi.org/10.1016/j.canlet.2008.04.011 A. P. Sahu and B. N. Paul, “The role of dietary whole sugar- jaggery in prevention of respiratory toxicity of air toxics and in lung cancer,” Toxicol. Lett., vol. 95, Supplement 1, p. 154, Jul. 1998. doi: https://doi.org/10.1016/S0378-4274(98)80615-2 H. García, A. Toscana, N. Santana, and O. Insuasty, Guía tecnológica para el manejo integral del sistema productivo de caña panelera. Bogotá, Colombia: Ministerio de Agricultura y Desarrollo Rural, Corpoica, 2007. K. S. S. Rao, A. Sampathrajan, and S. A. Ramjani, “Efficiency of traditional jaggery making furnace,” Madras Agric. J., vol. 90, no. 3, pp. 184–185, Jan. 2003. Available: http://www.panelamonitor.org/media/docrepo/document/files/efficiency-of-traditional-jaggery-making-furnace.pdf V. R. Sardeshpande, D. J. Shendage, and I. R. Pillai, “Thermal performance evaluation of a four pan jaggery processing furnace for improvement in energy utilization,” Energy, vol. 35, no. 12, pp. 4740–4747, Dec. 2010. doi: https://doi.org/10.1016/j.energy.2010.09.018 K. González, Determinación de pérdidas energéticas y sus puntos críticos, en hornillas paneleras Ward-Cimpa en la hoya del río Suárez, Univ. Industrial de Santander, Colombia, 2010. P. Arya, U. K. Jaiswal, and S. Kumar, “Design based improvement in a three pan Jaggery making plant for rural India,” Int. J. Eng. Res., vol. 2, no.3, pp. 264-268, Jul. 2013. O. Mendieta, “Desarrollo de un modelo experimental para el coeficiente de transferencia de calor en el proceso de evaporación del jugo de caña de azúcar en un arreglo de película delgada,” Univ. Industrial de Santander, Bucaramanga, Colombia, 2012. G. B. Agalave, “Performance improvement of a single pan traditional Jaggery making furnace by using fins and baffle,” Int. J. Adv. Res. Sci. Eng., vol. 4, no. 4, pp. 85–89, Apr. 2015. Available: https://www.ijarse.com/images/fullpdf/1429353638_12_Research_Paper.pdf J. Osorio, H. Ciro, and A. Espinosa, “Evaluación Térmica y Validación de un Modelo por Métodos Computacionales para la Hornilla Panelera GP150,” Dyna, vol. 77, no. 162, pp. 237–247, Jun. 2010. Available: http://bdigital.unal.edu.co/5373/1/jairoosorio.2010.pdf D. Choudhury, Introduction to the renormalization group method and turbulence modeling, Lebanon NH, USA: Fluent Inc., 1973. R. La Madrid, D. Marcelo, E. M. Orbegoso, and R. Saavedra, “Heat transfer study on open heat exchangers used in jaggery production modules – Computational Fluid Dynamics simulation and field data assessment,” Energy Convers. Manag., vol. 125, pp. 107–120, Oct. 2016. Doi: https://doi.org/10.1016/j.enconman.2016.03.005 D. Wilcox, “Formulation of the k-omega Turbulence Model Revisited,” in 45th AIAA Aerospace Sciences Meeting and Exhibit, Reno, Nevada, Jan. 8–11, 2007. doi: https://doi.org/10.2514/6.2007-1408 M. F. Modest, “Chapter 23 - Inverse Radiative Heat Transfer,” in Radiative Heat Transfer, 3rd Ed., pp. 779-802, Cambrigde, MA, USA: Academic Press, 2013. doi: https://doi.org/10.1016/B978-0-12-386944-9.50023-6 G. Colomer, M. Costa, R. Cònsul, and A. Oliva, “Threedimensional numerical simulation of convection and radiation in a differentially heated cavity using the discrete ordinates method,” Int. J. Heat Mass Transf., vol. 47, no. 2, pp. 257–269, Jan. 2004. doi: https://doi.org/10.1016/S0017-9310(03)00387-9 M. F. Modest, Radiative Heat Transfer, 3rd Ed., Cambrigde, MA, USA: Academic Press, 2013. Doi: https://doi.org/10.1016/B978-0-12-386944-9.50023-6 OpenCFD Ltd (ESI Group), “OpenFOAM.”. https://www.openfoam.com/about/ S. B. Pope, Turbulent flows. Cambridge, MA, USA: Cambridge Univ. Press, 2000. doi: https://doi.org/10.1017/CBO9780511840531 D. Wilcox, Turbulence modeling for CFD. La Cañada, CA, USA: DCW Industries, Inc., 1998. J. E. Jaramillo Ibarra, “Suitability of different RANS models in the description of turbulent forced convection flows: application to air curtains,” TDX (Tesis Dr. en Xarxa), Univ. Politècnica de Catalunya. Dept. de Màquines i Motors Tèrmics Barcelona, España, 2008. J. E. Jaramillo, C. D. Pérez-Segarra, A. Oliva, and K. Claramunt, “Analysis of different RANS models applied to turbulent forced convection,” Int. J. Heat Mass Transf., vol. 50, no. 19–20, pp. 3749–3766, Sept. 2007. doi: https://doi.org/10.1016/j.ijheatmasstransfer.2007.02.015 D. Wilcox, Turbulence Modeling for CFD, 2nd Ed., Miami, FL, USA: Amazon.com: Books, 2006. P. Crnjac, L. Škerget, J. Ravnik, and M. Hriberšek, “Implementation of the Rosseland and the P1 Radiation Models in the System of Navier-Stokes Equations with the Boundary Element Method,” Int. J. Comput. Methods Exp. Meas., vol. 5, no. 3, pp. 348–358, Abr. 2017. doi: https://doi.org/10.2495/CMEM-V5-N3-348-358 Y. A. Çengel, Heat and mass transfer: a practical approach. India: McGraw-Hill Education, Pvt. Limited, 2007. G. Gordillo and H. García, Manual para el diseño y operación de hornillas paneleras. Convenio de investigación y divulgación para el mejoramiento de la industria panelera, Barbosa, Santander, Colombia: CIMPA, 1992. C. J. Greenshields, OpenFOAM User-Guide, no. 5, May. 2015.
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