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Aerospace

FEXILON has accomplished a variety of CFD projects for its aerospace customers ranging from thermal simulations to rotary-wing design.
Fexilon with its strong expertise in CFD provides solutions for the Aerospace industry in the following areas:

Fexilon CFD Capabilities:

  • Aerodynamic Loads estimation
  • External aerodynamics - sub-sonic to hyper- sonic
  • Aeroacoustics and noise analysis
  • Cabin environment control
  • Helicopter and Weapon Aerodynamics
  • Propulsion Systems design
  • Fans and Turbine Design
  • Passenger comfort
  • De-icing, multiphase, water management
  • Fuel systems & sloshing
  • Fuel cells, PEM/SOFC
  • Rocket Motor and Ramjet design
  • High lift devices
  • Wind Tunnel Data Analysis
  • Rapid Decompression Analysis





Anti-Icing System for an Aircraft-wing

Summary

Icing alters the shape and surface characteristics of aircraft components, which results in altered aerodynamic forces and moments caused by air flow over those iced components. The typical effects of icing are increased drag, reduced stall angle of attack , and reduced maximum lift. In this analysis, the leading-edge and the piccolo type thermal anti-icing bay of an aircraft wing is simulated using computational fluid dynamics (CFD) for a range of inlet-temperatures and the flow-rates of the heating fluid. Furthermore, the bay skin temperature distributions are obtained by an integrated conjugate heat-transfer (CHT) analysis. It takes into account the skin heat transfer and conductivity. Finally the optimal flow-rates and temperatures of the heating-fluid are obtained for the Piccolo tube based anti-icing system.
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Optimization of Angle-of-Attack of an Aircraft Wing

Summary

This project involved the optimization of Angle-of-Attack (AoA) of the wing of a commercial aircraft. The drag and lift around an aircraft-wing were predicted for different values of speed and AoA, using STAR-CCM+. The fluid around the wing was modeled using polyhedral cells. Based on the drag and lift coefficients, the most optimal AoA was predicted.
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