E3S Web Conf.
Volume 112, 20198th International Conference on Thermal Equipment, Renewable Energy and Rural Development (TE-RE-RD 2019)
|Number of page(s)||8|
|Section||Thermal Equipments and Processes|
|Published online||20 August 2019|
Study of the fire dynamics in a burning car and analysis of the possibilities for transfer of fire to a nearby vehicle
Department “Power Engineering and Power Machines”, Technical University of Sofia, 8 Kliment Ohridski blvd., 1000 Sofia, Bulgaria
A full scale experiment was carried out on the process of vehicle combustion and the ignition of an adjacent one. For this purpose, specialized measuring equipment (thermocouples and infrared camera) is used to determine the temperature field of the burning car and nearby vehicle. The burning car has 16 thermocouples mounted on it and one thermocouple mounted on the adjacent car in order to examine the heat transfer process. The temperature field between cars at different points of time is detected by an infrared camera, with a clear change in the temperature gradient in the presence of wind. It is one of the main reasons for the increased momentum of heat transfer. The research shows that with the available combustible load of the car (2,1 MW or around the average for the currently produced cars), the ignition of the neighbouring vehicle is expected around 14 minutes after the ignition of the main vehicle, with the ignition zone being in the engine compartment. Important information was obtained for both the dynamics of the burning vehicle and the temperature field between the two cars.
© The Authors, published by EDP Sciences, 2019
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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