Design and Development of Radiator Fan for Automotive Application

Paper #:
  • 2012-01-0555

Published:
  • 2012-04-16
Citation:
Udawant, K., Tandon, V., Joshi, A., and Srinivasan, M., "Design and Development of Radiator Fan for Automotive Application," SAE Technical Paper 2012-01-0555, 2012, https://doi.org/10.4271/2012-01-0555.
Pages:
7
Abstract:
A methodology for design and development of radiator cooling fan is developed with an objective to improve underhood thermal management. For this purpose an Axial Fan Design Software has been developed which is based on Arbitrary Vortex Flow theory. The software is useful for obtaining initial blade design for the given basic functional requirements in terms of Airflow, Pressure Rise and Speed which defines the operating point of the fan. CFD analysis of the initial fan design is then carried out to predict the fan performance curve. Computation model resembles a fan set up in a wind tunnel. Further, Parametric Optimization is carried out using CFD to meet the functional requirements. A Rapid Prototype sample of the optimized fan design is manufactured and tested in a fan test rig made as per AMCA 210-99 standard to evaluate the fan performance curve and the power consumption. The methodology has been validated by establishing good correlation between experimental and computational results. The methodology facilitated shorter product development cycle and cost saving in prototype manufacturing.
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