Analytical thermal model and flow network analysis suitable for open self-ventilated machines

This study provides a survey on thermal and flow network analysis of open self-ventilated (OSV) machines. The improvements and new approaches proposed in the last decade are analysed in detail. The thermal analysis of OSV machines is divided into two significant steps, thermal models and flow networ...

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Bibliographic Details
Published in:IET electric power applications 2020-06, Vol.14 (6), p.929-936
Main Authors: Shams Ghahfarokhi, Payam, Kallaste, Ants, Belahcen, Anouar, Vaimann, Toomas
Format: Article
Language:English
Subjects:
analytical flow network analysis
analytical thermal model approach
fans
flow network parameters
heat transfer
laminations
machine bearings
open self‐ventilated machines
OSV machines
Review Article
thermal analysis
thermal management (packaging)
thermal models
ventilation
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Summary:This study provides a survey on thermal and flow network analysis of open self-ventilated (OSV) machines. The improvements and new approaches proposed in the last decade are analysed in detail. The thermal analysis of OSV machines is divided into two significant steps, thermal models and flow network analysis. In the first step of this survey, the analytical thermal model approach is considered in detail. In addition, the study provides an overview of the critical parameters of an analytical thermal model and discusses different solutions to overcome the problems. In the second step, the hydraulic behaviour of OSV machines is considered by using the analytical flow network analysis and the formulation to calculate the flow network parameters is provided.
ISSN:1751-8660
1751-8679
1751-8679
DOI:10.1049/iet-epa.2019.1020