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Study on Manufacturing Tolerances for the Laminar Airfoil

[+] Author Affiliations
Jaehun Lee

Koreanair R&D Center, Daejeon, Korea

Kyoung Jin Jung

Agency for Defense Development, Daejeon, Korea

Paper No. AJKFluids2015-13459, pp. V01AT13A004; 4 pages
  • ASME/JSME/KSME 2015 Joint Fluids Engineering Conference
  • Volume 1A: Symposia, Part 2
  • Seoul, South Korea, July 26–31, 2015
  • Conference Sponsors: Fluids Engineering Division
  • ISBN: 978-0-7918-5721-3
  • Copyright © 2015 by KSME


The procedure to determine manufacturing tolerances for the laminar airfoil is explained using the CFD (computational fluid dynamics) analysis. This procedure is applied to a laminar airfoil for the tolerance of the forward-facing step and rearward-facing step. In the CFD analysis the Langtry-Menter SST Transition model is used to simulate a natural transition over the laminar airfoil. The computed tolerances showed good agreement with experimental data.

Copyright © 2015 by KSME



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