De La Torre-Quintana, Luis F.
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Publication Modelo de simulación y visualización del proceso de mezclas ultrasónico para la producción de biodiésel(2004) De La Torre-Quintana, Luis F.; Portnoy, Arturo; College of Arts and Sciences - Sciences; Bollman, Dorothy; Gooransarab, Haedeh; Department of Mathematics; Orama-Exclusa, Lionel R.Biodiesel is an “environmental” and renewable alternative to fuel diesel engines. In the production process of Biodiesel, it is necessary to mix inmiscible oils and alcohols. This production process needs fast, effective and viable methods. Thus, in the search to optimize the process an alternative mixing method has been developed by means of ultrasound, which promises to be faster, and more efficient and viable than traditional methods. This method generates cavities or bubbles that implode generating local ''jets'' that mix. Starting for the study of a single bubble that receives an ultrasonic stimulation, we will be able to find an approximation of the energy released by it and its lifetime, and thus have a model for the bubble. The model that we propose is based on the lattice in R3 space, in which each point is used as reference for the possible appearance of a cavity and depending on the location and the influence of the other bubbles a possible variation in the ultrasonic stimulate that if will receive is calculated. Then the model for a single bubble is used to obtain the lifetime and the energy emitted by the cavity. This will give the moment and the amount of mass that needs to be moved around this. We develop a visual model that allows us to see with clarity which happens during the mixing process. It is hoped that the model obtained will reflect the essence of the process, and will give a virtual laboratory where simulations can be made and design decisions can be taken at a very low cost. This promises to be a very attractive alternative for reactor design.