Performance Optimization of Electronically Controlled Hydraulic Fan Drive (HFD) Used in Commercial Application

Paper #:
  • 2016-01-0182

Published:
  • 2016-04-05
DOI:
  • 10.4271/2016-01-0182
Citation:
Gangwar, H., Sharma, A., Pathak, S., Dwivedi, V. et al., "Performance Optimization of Electronically Controlled Hydraulic Fan Drive (HFD) Used in Commercial Application," SAE Technical Paper 2016-01-0182, 2016, https://doi.org/10.4271/2016-01-0182.
Pages:
7
Abstract:
Ever tightening emission limits and constant pressure for increasing engine power are resulting in increased engine operating temperature. This coupled with continuous drive for fuel economy improvement because of the stiff competition are forcing OEMs to explore alternative cooling solutions resulting in less power take off and quick response as cooling requirement shoots up. Aim of this paper is to analyze the relative benefits of incorporating a new cooling fan drive system concept over conventional viscous fan driven cooling system with step-less variable speed control independent of engine speed variation. Hydraulic fan drive system control fan rpm based on the fluid temperature as compared to air temperature in viscous coupling fan drive system. HFD system provides quick response when increase in coolant temperature is observed. HFD system in this way provide more control on fan rpm. In this paper we are discussing about optimization of HFD system to achieve enhanced cooling system performance and also to increase fuel economy.
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