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Rapid Airfoil Design for Uncooled High Pressure Turbine Blades

Journal of Environmental Science and Engineering(B) 2018年第5期7卷 193-208页

作者： niloofar moradi Edward Vlasic Hany Moustapha Francois Garnier Turbine Design Department Pratt and Whitney Canada (P&WC) Longueuil (Québec) J4G1A1 Canada Mechanical Engineering Department Engineering School (ETS) University of Quebec Montréal (Québec) H3C1K3 Canada

The aero-engine design process is highly iterative,multidisciplinary in nature and *** success of any engine design depends on best exploiting and considering the interactions among the numerous traditional engineering disciplines such as aerodynamics and *** emphasis has been placed lately on system integration,cross disciplines leveraging of tools and multi-disciplinary-optimization at the preliminary design *** paper investigates the automation of the airfoil generation process,referred to as Rapid Airfoil3D(RAF-3D),for uncooled high pressure turbine blades at the preliminary design *** approach uses the TAML(Turbine Aero Mean Line)program in parallel with a database of previously designed P&WC airfoils,in-house design rules and best practices to define a pre-detailed airfoil shape which can be fed back to other analytical groups for pre-detail analyses,such as for structural integrity and *** airfoil shapes have been aerodynamically validated using an in-house three dimensional Reynolds averaged Navier-Stokes ***-3D will shorten the turnaround time for Pratt&Whitney turbine aerodynamics group to provide a preliminary3D airfoil shape to turbine structures group by up to a factor of ***,the preliminary assessments of stress and vibration specialists will be more accurate as their assessments will be based on an airfoil that has had inputs from all functional groups even though it is"first pass"design.

关键词： Optimization turbine blade preliminary design CFD(Computational Fluid Dynamics)

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