publication . Doctoral thesis . 2016

Heat Transfer Model for Hot Air Balloons

Lladó Gambín, Adriana;
Open Access English
  • Published: 01 Jan 2016
  • Publisher: eScholarship, University of California
  • Country: Algeria
A heat transfer model and analysis for hot air balloons is presented in this work, backed with a flow simulation using SolidWorks. The objective is to understand the major heat losses in the balloon and to identify the parameters that affect most its flight performance. Results show that more than 70% of the heat losses are due to the emitted radiation from the balloon envelope and that convection losses represent around 20% of the total. A simulated heating source is also included in the modeling based on typical thermal input from a balloon propane burner. The burner duty cycle to keep a constant altitude can vary from 10% to 28% depending on the atmospheric c...
free text keywords: Engineering, Balloon, Convection, Heat, Radiation, Simulation
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