Predictive Models for Evaluating Mobility Buses Thermal Performance

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Every day, in every city, many buses are moving, carrying a lot of citizens. During the year, especially during the summer, buses become uncomfortable places because of both environmental and internal conditions. Due to the rising of the mobility needs, time that people spend in vehicles has strongly grown. Moreover, also the thermal environment in urban buses changes greatly, in fact passengers onboard are exposed to local heating and/or cooling due to vertical temperature gradients, radiant asymmetry and local unexpected airflow. This study aims to optimize the energy performance of a bus envelope, identifying practical solutions. The analysis was carried out numerically, considering a hot day during July and passengers on board during the 24 hours per day.

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313-317

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March 2015

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© 2015 Trans Tech Publications Ltd. All Rights Reserved

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