Issue |
EPJ Web of Conferences
Volume 114, 2016
EFM15 – Experimental Fluid Mechanics 2015
|
|
---|---|---|
Article Number | 02097 | |
Number of page(s) | 5 | |
Section | Contributions | |
DOI | https://doi.org/10.1051/epjconf/201611402097 | |
Published online | 28 March 2016 |
https://doi.org/10.1051/epjconf/201611402097
Measurement of airflow and pressure characteristics of a fan built in a car ventilation system
Brno University of Technology, Faculty of Mechanical Engineering, Energy Institute, Technická 2896/2, Brno, Czech Republic
a Corresponding author: pokorny.j@fme.vutbr.cz
Published online: 28 March 2016
The aim of this study was to identify a set of operating points of a fan built in ventilation system of our test car. These operating points are given by the fan pressure characteristics and are defined by a pressure drop of the HVAC system (air ducts and vents) and volumetric flow rate of ventilation air. To cover a wide range of pressure drops situations, four cases of vent flaps setup were examined: (1) all vents opened, (2) only central vents closed (3) only central vents opened and (4) all vents closed. To cover a different volumetric flows, the each case was measured at least for four different speeds of fan defined by the fan voltage. It was observed that the pressure difference of the fan is proportional to the fan voltage and strongly depends on the throttling of the air distribution system by the settings of the vents flaps. In case of our test car we identified correlations between volumetric flow rate of ventilation air, fan pressure difference and fan voltage. These correlations will facilitate and reduce time costs of the following experiments with this test car.
© Owned by the authors, published by EDP Sciences, 2016
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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