Parametric Studies for Combined Convective and Conductive Heat Transfer for YASA Axial Flux Permanent Magnet Synchronous Machines
Abstract
:1. Introduction
2. YASA Electromagnetic Models
3. YASA Thermal Models
3.1. YASA LPTN
3.2. 3D Thermal FEM Model
4. Coupled EM-Thermal Study
5. The Parametric Studies
5.1. Air Gap Length Study
5.2. Variable Speed Study
5.3. Inward Heat Extraction Fins Thickness Study
5.4. PM Thickness Study
6. Experimental Validation
7. Conclusions
Author Contributions
Funding
Acknowledgments
Conflicts of Interest
References
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Material | K (W/mK) | (J/kgK) | (kg/m) |
---|---|---|---|
copper | 385 | 392 | 8890 |
aluminum | 167 | 896 | 2712 |
epoxy | 0.4 | 600 | 1540 |
nylon | 0.25 | 1600 | 1140 |
Nd-Fe-B | 9 | 500 | 7500 |
Parameter | Value | Unit |
---|---|---|
number of poles | 16 | - |
teeth number | 15 | - |
outer diameter housing | 195 | mm |
outer diameter active | 148 | mm |
PM thickness | 4 | mm |
rotor outer radius | 74 | mm |
slot width | 11 | mm |
Speed (rpm) | Analytical (C) | FEM (C) | Experimental (C) |
---|---|---|---|
1000 | 61.73 | 63.89 | 62.74 |
2000 | 49.03 | 50.13 | 51.43 |
Speed (rpm) | Analytical (C) | FEM (C) | Experimental (C) |
---|---|---|---|
1000 | 29.44 | 29.93 | 30.52 |
2000 | 26.89 | 27.05 | 28.12 |
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Mohamed, A.H.; Hemeida, A.; Vansompel, H.; Sergeant, P. Parametric Studies for Combined Convective and Conductive Heat Transfer for YASA Axial Flux Permanent Magnet Synchronous Machines. Energies 2018, 11, 2983. https://doi.org/10.3390/en11112983
Mohamed AH, Hemeida A, Vansompel H, Sergeant P. Parametric Studies for Combined Convective and Conductive Heat Transfer for YASA Axial Flux Permanent Magnet Synchronous Machines. Energies. 2018; 11(11):2983. https://doi.org/10.3390/en11112983
Chicago/Turabian StyleMohamed, Abdalla Hussein, Ahmed Hemeida, Hendrik Vansompel, and Peter Sergeant. 2018. "Parametric Studies for Combined Convective and Conductive Heat Transfer for YASA Axial Flux Permanent Magnet Synchronous Machines" Energies 11, no. 11: 2983. https://doi.org/10.3390/en11112983