Análisis de la eficiencia energética en los sistemas de ventilación y climatización en el establo lechero de la hacienda “San Francisco”

Abstract

This thesis proposes significant improvements in the air conditioning and ventilation of a dairy barn located in Latacunga. The main objective is to establish a forced ventilation system that provides optimal ventilation and air conditioning for the calves in the barn. To achieve this, the focus will be on improving the energy aspects related to wind speed, temperature, and pressure. A comprehensive analysis of the ventilation and air conditioning conditions is crucial to determine the necessary boundary conditions for proper cooling of the facility. The dairy barn under study has a total area of 68.40 m² on the ground floor and a height of 1.95 m. In addition, a detailed study will be carried out on the operation of a self-regulating fan capable of handling an airflow of 12.44 m³/h. Furthermore, the implementation of a compost bed for forced airation of approximately 60 m² will be evaluated, which has a thermal conductivity of 0.6 W/(kg⋅K) with a density of 100 millimeters, as a sustainable and environmentally friendly alternative. To validate the proposed design, computational simulation using ANSYS Fluent software will be employed. This will allow evaluating the expected performance and making adjustments if necessary. In addition to the technical aspects, an economic evaluation will also be conducted to determine the total cost of implementing the improvements in the air conditioning and ventilation of the dairy barn. In summary, this thesis project seeks to thoroughly analyze and, if necessary, propose modifications to the ventilation and air conditioning system using advanced computational fluid dynamics techniques. The focus is on maximizing the well-being and comfort of the calves in the dairy barn while minimizing environmental impact and associated operating costs.