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Alternator rotor fans are critical for maintaining thermal stability and performance in high-speed automotive alternators, where they are subjected to centrifugal forces, vibration, and cyclic fatigue. This study presents a performance enhancement approach through material substitution and design optimization. The feasibility of replacing conventional CHSP380Y and CRCA EDD materials with CHSP340Y is evaluated to achieve cost effectiveness without compromising reliability.
A combined methodology of material characterization, CAD modeling, and Finite Element Analysis (FEA) was used to analyze stress, deformation, and fatigue behavior. To offset the comparatively lower strength of CHSP340Y, a dual-fan configuration with a 90° chamfer was introduced to improve stiffness and reduce stress concentration. The optimized design was validated through manufacturing trials and prototype testing.
Keywords:
“Performance Enhancement and Reliability Evaluation of Alternator Rotor Fans by Design Changed & Material Grade Substitution”
Cite Article:
"“Performance Enhancement and Reliability Evaluation of Alternator Rotor Fans by Design Changed & Material Grade Substitution”", International Journal for Research Trends and Innovation (www.ijrti.org), ISSN:2456-3315, Vol.11, Issue 6, page no.a845-a869, June-2026, Available :http://www.ijrti.org/papers/IJRTI2606088.pdf
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ISSN:
2456-3315 | IMPACT FACTOR: 8.14 Calculated By Google Scholar| ESTD YEAR: 2016
An International Scholarly Open Access Journal, Peer-Reviewed, Refereed Journal Impact Factor 8.14 Calculate by Google Scholar and Semantic Scholar | AI-Powered Research Tool, Multidisciplinary, Monthly, Multilanguage Journal Indexing in All Major Database & Metadata, Citation Generator