Hector Cabezas - Agrosilicium Mejisulfatos S.A.S.
María Solange Sánchez Pinzón - Nacional de Chocolates S.A.S.
M.Sc. Andrea Pinzón - Penagos Hermanos
Daniel Espitia Rodríguez - IMAL SA
Katerina M. Sánchez P. - Wisconsin Alumni Association
La Red Incombustion agradece a las empresas e instituciones que asistieron al Segundo seminario internacional sobre el uso eficiente de la energía térmica, para nosotros es de gran importacia matener una interacción con las empresas e instituciones que componen el ecosistema de la gestion y uso eficente de la energía en la industria, los invitamos a que continuemos fortaleciendo lazos de cooperación para impactar cada vez más con en estos temas
An analysis of the effect of burner location on the performance of a walking-beam type reheating furnace for an austenitizing process is presented in this work. Four configurations were evaluated, where the main difference was the position of four high-speed self-recuperative burners. The analysis was done through computational fluid dynamics (CFD) simulations, using a set of models suitable, and previously validated, to consider combustion, heat transfer, and billet heating, all in a 3D steady-state calculation.
The use of gaseous fuels in compression ignition (CI) engines for cogeneration allows diesel substitution and particulate matter reduction, however, power efficiency is reduced while CO and THC emissions are increased at part-load conditions. The development of micro-cogeneration systems based on dual fuel engines requires the actual heat recovery estimation, which in turn depends on the power efficiency in all operating range. In this paper, the development of a dual-fuel engine cogeneration model (DECOG) based on International Energy Agency-Annex 42 methodology is presented.
This paper presents an experimental study of the characteristic parameters of the surface-stabilized combustion of a confined porous media burner with premixed methane/air flames. Parameters such as the stability range, emissions, and temperature profile of the confined porous medium were evaluated using a burner with geometric features that resulted in gas recirculation due to backward-facing step flows. An analysis of the flame morphology using the OH-planar laser-induced fluorescence technique was also conducted to determine the flame height with respect to the porous medium surface.
As a tropical and highly mountainous country, Colombia has varying levels of atmospheric humidity across its regions. These humidity levels affect combustion parameters in premixed combustion systems such as laminar burning velocity, adiabatic flame temperature, and pollutant emissions. The greatest effect of water in the reaction zone is the reduction of NOx formation (at equilibrium) by up to 40% through the thermal mechanism for lean mixtures. The laminar burning velocity is reduced by up to 25% at an equivalence ratio of 0.5 and a molar moisture content of 3.5%.