Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

A Study on the Effect of the Outer Ring of Annular Cooling Fan on the Aerodynamic Performance

Version 1 : Received: 12 May 2019 / Approved: 15 May 2019 / Online: 15 May 2019 (10:05:43 CEST)

How to cite: Shu, H.; Yin, Z.; Shangguan, W.; Ahmed, W. A Study on the Effect of the Outer Ring of Annular Cooling Fan on the Aerodynamic Performance. Preprints 2019, 2019050181. https://doi.org/10.20944/preprints201905.0181.v1 Shu, H.; Yin, Z.; Shangguan, W.; Ahmed, W. A Study on the Effect of the Outer Ring of Annular Cooling Fan on the Aerodynamic Performance. Preprints 2019, 2019050181. https://doi.org/10.20944/preprints201905.0181.v1

Abstract

We studied the effect of the structure parameters of engine annular cooling fan with outer ring on the aerodynamic performance by means of experiments and model simulation in fluent®. Firstly, based on the experiment, a computational model is developed to calculate and analyze the aerodynamic performance of the tested annular fan. The model is validated by comparing the test results with the calculated data. Besides, the aerodynamic performance differences between two types of fans (common fan without outer ring and annular fan with outer ring) are discussed. Based on the computational model, the relation between aerodynamic performance and the outer ring structure parameters are investigated. The results show that the relative parameter on the axial direction has great influence on the aerodynamic performance; while the effect of radial relative parameter is minor. In addition, the outer ring with arc chamfer structure in the downstream side can improve its static pressure efficiency effectively.

Keywords

annular cooling fan; outer ring; structure parameters; aerodynamic performance

Subject

Engineering, Mechanical Engineering

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