Xu, Bin, and Aldrin D. Calderon. “Intelligent Optimization of Double-Helix Oil Cooling System for Outer Rotor in-Wheel Motors Based on Multi-Physics Coupling Simulation”. Future Technology 4, no. 4 (August 5, 2025): 85–99. Accessed January 19, 2026. https://fupubco.com/futech/article/view/456.