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Fig. 1: The CFD model based on modular CAD design that combines all designs and: (a) Design 1 — inlet on top to outlet at bottom, (b) Design 2 — tangential inlet-outlet and (c) Design 3 — conventional centrifugal fan

Figure 1 The CFD model based on modular CAD design that combines all designs and: (a) Design 1 — inlet on top to outlet at bottom, (b) Design 2 — tangential inlet-outlet and (c) Design 3 — conventional centrifugal fan

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Fig. 2: Detail drawing of the 3D CFD model including section A-A and section B-B. Fig. 2: Detail drawing of the 3D CFD model including section A-A and section
Fig. 2: Detail drawing of the 3D CFD model including section A-A and section B-B. Fig. 2: Detail drawing of the 3D CFD model including section A-A and section
Table 1: Material Properties
Table 1: Material Properties
Fig. 3: The torque, rotor losses and magnet losses of a YASA sealed machine produced by FEA.
Fig. 3: The torque, rotor losses and magnet losses of a YASA sealed machine produced by FEA.
Fig. 4: Pressure drop of the studied designs.
Fig. 4: Pressure drop of the studied designs.
Fig. 5: Windage losses of the studied designs
Fig. 5: Windage losses of the studied designs
Fig. 6: Average air temperature on (a) the outlet and (b) within the rotational system. Fig. 8 presents the average temperature of the rotor and the magnet. The
Fig. 6: Average air temperature on (a) the outlet and (b) within the rotational system. Fig. 8 presents the average temperature of the rotor and the magnet. The
Fig. 7: Flow streamlines of each design and its ISO surface of low velocity region (<10m/s) at 4000rpm in blue translucent patches. Fig. 7: Flow streamlines of each design and its ISO surface of low velocity
Fig. 7: Flow streamlines of each design and its ISO surface of low velocity region (<10m/s) at 4000rpm in blue translucent patches. Fig. 7: Flow streamlines of each design and its ISO surface of low velocity
Fig. 8: Average solid temperature of the rotor and the magnets for (a) Design 1, (b) Design 2 and (c) Design 3.
Fig. 8: Average solid temperature of the rotor and the magnets for (a) Design 1, (b) Design 2 and (c) Design 3.
Fig. 9: Average heat transfer coefficient of the studied designs
Fig. 9: Average heat transfer coefficient of the studied designs
Fig. 10: Cooling Performance Index (CPI) curves of all tested designs.
Fig. 10: Cooling Performance Index (CPI) curves of all tested designs.
Fig. 11: The YASA machine assembly integrated with Design 2 and Design 3 inlet and outlet arrangement including dual mass flow sensors on the inlet. DE - disc side, before exiting to the ambient. Fig. 11: The YASA machine assembly integrated with Design 2 and Design 3 inlet and outlet arrangement including dual mass flow sensors on the inlet. Page 14 of 25
Fig. 11: The YASA machine assembly integrated with Design 2 and Design 3 inlet and outlet arrangement including dual mass flow sensors on the inlet. DE - disc side, before exiting to the ambient. Fig. 11: The YASA machine assembly integrated with Design 2 and Design 3 inlet and outlet arrangement including dual mass flow sensors on the inlet. Page 14 of 25
‘ig. 12: The new YASA machine topology including rotor cooling on both rotors. the NDE side until the simulations converge. study. In reality a thin layer of adhesive material is present between the
‘ig. 12: The new YASA machine topology including rotor cooling on both rotors. the NDE side until the simulations converge. study. In reality a thin layer of adhesive material is present between the
Fig. 13: The prototype of the new YASA machine topology in-cooperate with dual rotor cooling via the air transfer duct.
Fig. 13: The prototype of the new YASA machine topology in-cooperate with dual rotor cooling via the air transfer duct.
4.3 Thermal Analysis machine will operate under speed less than 1000rpm for a long duration. significant amount of the heat out, thus its outlet temperature is similar to the development without stalling or negative pressure. However, further analysis
4.3 Thermal Analysis machine will operate under speed less than 1000rpm for a long duration. significant amount of the heat out, thus its outlet temperature is similar to the development without stalling or negative pressure. However, further analysis
Fig. 14: Comparison between CFD and experimental data of the mass flow rate. Fig. 14: Comparison between CFD and experimental data of the mass flow
Fig. 14: Comparison between CFD and experimental data of the mass flow rate. Fig. 14: Comparison between CFD and experimental data of the mass flow
Fig. 15: Average air temperature on the outlet and within the rotational system of the design implementation. (Fig. 16-a) as compared to the initial study.
Fig. 15: Average air temperature on the outlet and within the rotational system of the design implementation. (Fig. 16-a) as compared to the initial study.
Fig. 17: Average solid temperature of the rotor and the magnets of the design implementation. Fig. 17: Average solid temperature of the rotor and the magnets of the design
Fig. 17: Average solid temperature of the rotor and the magnets of the design implementation. Fig. 17: Average solid temperature of the rotor and the magnets of the design
Related topics:
Mechanical EngineeringMaterials ScienceInterdisciplinary EngineeringApplied Thermal EngineeringRotor Cooling
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