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June 13, 2026International Journal of Automotive Science And TechnologyOpen Access

CFD Simulation of Aerodynamic Forces on a Simplified Heavy Vehicle Model with Steady Base Blowing

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Authors

EFErhan FıratMSMehmet Seyhan

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Overview

Randomized trial examined aerodynamic drag reduction in a vehicle model using steady base blowing, indicating effective control strategies.

Key Points

  • This research aims to evaluate how steady blowing affects the aerodynamic forces on a heavy vehicle model.
  • Conducted over 100 CFD simulations using a steady RANS k-ω SST model at a Reynolds number of 100,000.
  • Validated CFD results with experimental aerodynamic force measurements.
  • Tested parameters include jet-to-freestream velocity ratio, inclination angle, and jet location.
  • Reductions in aerodynamic drag of 8.3% for VR=0.5 and 17.7% for VR=1.
  • Increasing the jet-to-freestream velocity ratio to 2 can reduce drag by up to 50%.
  • Active control efficiency is around 6 for both-jets configuration at VR=0.5 and 1.6 for VR=1.

Cite This Study

Fırat et al. (2026) studied this question.

synapsesocial.com/papers/6a2cf500faef96ed7f0572f5https://doi.org/10.30939/ijastech..1941954
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