James Swinton
Effect of manufacturing method of a centrifugal fan hub on its heat dissipation characteristics.
Swinton, James; Eshaafi, Taher; Asim, Taimoor; Irons, John; Mishra, Rakesh
Authors
Contributors
Ian Sherrington
Editor
A. Onsy
Editor
H. Brooks
Editor
J. George
Editor
R. Rao
Editor
Abstract
As the process temperature of a fan system increases, the amount of heat that gets transmitted to the bearings and/or motor increases. If this is not accounted for, it can lead to catastrophic failure. The main heat conduction path is through the shaft, and certain mechanisms must be considered when looking for new solutions. These include; how heat is transmitted through the shaft or increasing the thermal resistance of the shaft, and dissipating heat as it is conducted through the shaft. These aspects must always be considered in addition to the impact of the manufacturing complexity. In the present study, an existing heat dissipation arrangement is reviewed and replaced by a new design which reduces the time taken to machine the part, and ultimately the overall cost of the product. Computation Fluid Dynamics (CFD) based techniques have been used to numerically simulate the designs under operating conditions, and the resulting heat transfer through the shaft compared with respect to the heat dissipation properties. The results demonstrate that although the new design is less effective at dissipating heat, it provides a substantial cost reduction compared to the existing design, while substantially reducing the impact of the design on various aspects of production.
Citation
SWINTON, J., ESHAAFI, T., ASIM, T., IRONS, J. and MISHRA, R. 2017. Effect of manufacturing method of a centrifugal fan hub on its heat dissipation characteristics. In Sherrington, I., Onsy, A., Brooks, H., George, J. and Rao, R. (eds.) Proceedings of the 30th International conference on condition monitoring and diagnostic engineering management (COMADEM 2017), 10-13 July 2017, Preston, UK. Preston: University of Central Lancashire [online], pages 355-360. Available from: http://clok.uclan.ac.uk/24444/
Presentation Conference Type | Conference Paper (published) |
---|---|
Conference Name | 30th International condition monitoring and diagnostic engineering management congress 2017 (COMADEM 2017) |
Start Date | Jul 10, 2017 |
End Date | Jul 13, 2017 |
Acceptance Date | Apr 10, 2017 |
Online Publication Date | Oct 1, 2018 |
Publication Date | Oct 1, 2018 |
Deposit Date | Mar 9, 2020 |
Publicly Available Date | Mar 10, 2020 |
Peer Reviewed | Peer Reviewed |
Pages | 355-360 |
ISBN | 9781909755154 |
Keywords | CFD; Heat transfer; Centrifugal fan |
Public URL | https://rgu-repository.worktribe.com/output/872684 |
Publisher URL | http://clok.uclan.ac.uk/24444/ |
Files
SWINTON 2017 Effect of manufacturing
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Publisher Licence URL
https://creativecommons.org/licenses/by-nc-nd/4.0/
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