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Buildings 2018, 8(10), 132; https://doi.org/10.3390/buildings8100132

Application of a CFD Validated Model to Plan Fan Heater Position within Flour Mills during a Heat Treatment for Insect Pest Control

Department of Agriculture, Food and Environment, University of Catania, via S. Sofia 100, 95123 Catania, Italy
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Received: 1 August 2018 / Revised: 13 September 2018 / Accepted: 19 September 2018 / Published: 22 September 2018
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Abstract

The development of environmentally-friendly methods as alternatives to chemical fumigation for controlling insect pests has attracted public attention. Among these methods, heat treatment is based on the use of fan heaters that are positioned by operators who typically establish their number and position within buildings to be treated. The aim of this research was to improve heat treatment effectiveness by applying a validated computational fluid dynamics (CFD) model for planning fan heater positions within the building environment. Based on a CFD model, which was built and validated according to experimental data acquired during heat treatment of a flour mill, simulations were carried out by changing the position and/or rotation of fan heaters with the aim of enhancing temperature distribution inside the building. The results showed that in some simulations the percentage of internal wall surfaces having a temperature value lower than that required for heat treatment efficacy was considerably reduced, by up to 56.7%. Therefore, the CFD approach proposed in this study could be used as a decision support system for improving heat treatment efficacy. View Full-Text
Keywords: heat treatment; computational fluid dynamics (CFD); thermal behavior; milling industry; heat flux heat treatment; computational fluid dynamics (CFD); thermal behavior; milling industry; heat flux
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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Valenti, F.; Tomasello, N.; Lanteri, P.; Porto, S.M.C. Application of a CFD Validated Model to Plan Fan Heater Position within Flour Mills during a Heat Treatment for Insect Pest Control. Buildings 2018, 8, 132.

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