Optimized Wiper Design using Computational Fluid Dynamics

##plugins.themes.academic_pro.article.main##

Akshay Shirsikar
Punam Khatik
Kuldeep Singh
Lachhi Ram

Abstract

This paper presents the robust use of Computational Fluid Dynamics (CFD) techniques as complement to wind tunnel testing for the performance assessment of rain water and wiper wash behavior on windscreen surfaces. The objective of this paper is to predict windscreen wiper design performance and its effectiveness with the help of CFD. Clear visibility to the occupants is the key for stress free and safer driving experience, therefore it is important to study the windscreen wiper system performance under different work load conditions. A multi-phase CFD code is used to simulate rain drops and its impingent on the vehicle is modeled with the help of thin liquid film. The wiper blade motion is defined with inputs from multi body dynamics (MBD) considering the driver and passenger side wiper blade speed and extent. Time-dependent results for the wiper blade location, water fluid film spread, and its height on the windscreen, A-pillar, leaf-screen rain gutters were obtained. The CFD results then equated with the physical test data. The calculated water film pattern found to be associated with the observed patterns of the waterways on the test vehicle. Multiple design studies were performed on the CFD model which are also reliable with similar test configurations. From the results, it is concluded that numerical simulation of water behavior on vehicle surfaces is possible, and CFD method is effective tool to assist engineers in envisaging, analyzing, and designing water management systems. A Computational Fluid Dynamics code had been introduced in order to simulate the cleaning performance of the automobile wash. Multi-phase thin film with rigid body motion models were used for this purpose. The objectives of the project were to quantify the water flow, enhance visualization, and develop a CAE methodology which will assist in the product development process.

##plugins.themes.academic_pro.article.details##

How to Cite
Akshay Shirsikar, Punam Khatik, Kuldeep Singh, & Lachhi Ram. (2022). Optimized Wiper Design using Computational Fluid Dynamics. ARAI Journal of Mobility Technology, 2(4), 401–410. https://doi.org/10.37285/ajmt.2.4.8

References

  1. G.Zhengqi, "Research on the Aerodynamic Lift of Vehicle Windshield Wiper," Journal of Applied Fluid Mechanics, pp. pp. 2133-2140, 2016.
  2. Adrian P Gaylard, "Surface contamination of cars: A review," Journal of Automobile Engineering, pp. 1160-1176, 2017.
  3. Ahmadi-Befrui and N. Uchil, "Modeling and Simulation of Thin Liquid Films Formed by Spray-Wall Interaction," SAE Technical Paper Series, pp.17-27, February 26-29, 1996.
  4. Jonathan Jilesena, "Soiling and rain simulation for ground transportation vehicles," 7th European-Japanese Two-Phase Flow Group Meeting, Research Gate, pp. 11-15, October 2015.
  5. Mahmoud Yousef Ghannam, "Analysis of an Automotive Windshield Washer Fluid Delivery System," SAE Technical Paper Series, pp. 1-8, March 6–9, 2000.
  6. S. E. Longman, "Automobile Exterior Water Flow Analysis Using CFD and Wind Tunnel Visualization," SAE Technical Paper Series, pp. 1-7, February 23-26, 1998.
  7. Sertac Cadirci, "Numerical Investigation of Turbulent flow over a windscreen wiper blade,” ASME 2016, Phoenix, Arizona, USA, November 11-17, 2016.
  8. Z. G. Yang, "Numerical Analysis on Aerodynamic Forces on Wiper System," Recent progress in fluid dynamics research, pp. 213-217, 2011.
  9. M. Schumack, "A model for automotive windshield washer spray delivered by a fluidic nozzle," Journal of Automobile Engineering, pp. 327-333, 1996.
  10. F. Daryosh, "Sensor Cleaning – Virtual tool for cleaning performance to maintain availability of AD sensor system," Jan 31 2019.
  11. Mikael Fagervall, "Optimal windshield cleaning performance," Gothenburg, 2000.
  12. Star CCM+ v13.06 User Manual
  13. http://www.cfdyna.com/CFDHT/STAR_CCM_Plus
  14. https://watsonlawyers.com/auto-accidentattorneys-college-station-texas/do-you-know-howrain-causes-auto-accidents/
  15. Pinaki Mondal, S. Dalela, N. Balasubramanian, G.K. Sharma, Rajesh Singh. "Critical Analysis of Road Crashes and a Case Study of Wet Road Condition and Road Crashes in an Indian Metropolitan City", SAE International, 2008
  16. H Brodsky , A S Hakkert “Risk of a road accident in rainy weather” DOI: 10.1016/0001-4575(88)90001-2
  17. https://en.wikipedia.org/wiki/Windscreen_wiper