Local/State building codes mandate the supply of fresh air to classrooms. Most designs adhere to these requirements through mechanical HVAC systems. For buildings that depend upon natural ventilation in which fresh air is supplied through windows, care must be taken to account for ambient conditions, i.e., air temperature, humidity, and wind velocity and direction, that can strongly affect the amount of fresh air. For classroom with multiple windows the question is which windows to open at any given time. This paper describes the measurement of air flow in a simple classroom and the use of CFD simulation to predict the circulation of air with an aim of determining if such a simulation may be used to define optimal window opening schedules.
Measured and Predicted Air Flow in a Small Classroom
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Emery, AF, & Lee, C. "Measured and Predicted Air Flow in a Small Classroom." Proceedings of the ASME 2013 International Mechanical Engineering Congress and Exposition. Volume 8A: Heat Transfer and Thermal Engineering. San Diego, California, USA. November 15–21, 2013. V08AT09A044. ASME. https://doi.org/10.1115/IMECE2013-64786
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