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Prediction of Heat Transfer With Cavity Flow Modeling for Engine Design

[+] Author Affiliations
Yukie Sasaki, Koutarou Hisaeda

IHI Corporation, Akishima, Tokyo, Japan

Shinsuke Matsuno, Takahisa Nagao, Junya Kouwa

IHI Corporation, Yokohama, Kanagawa, Japan

Paper No. GT2014-26517, pp. V05CT16A034; 10 pages
doi:10.1115/GT2014-26517
From:
  • ASME Turbo Expo 2014: Turbine Technical Conference and Exposition
  • Volume 5C: Heat Transfer
  • Düsseldorf, Germany, June 16–20, 2014
  • Conference Sponsors: International Gas Turbine Institute
  • ISBN: 978-0-7918-4573-8
  • Copyright © 2014 by ASME

abstract

In this paper, in order to improve temperature prediction, 2D axisymmetric CFD analysis has been implemented to determine the cavity flow network in Finite Difference Method (FDM) thermal analysis model. With this work process, for example, the complex recirculation of cavity flow can be considered in FDM thermal analysis.

In the beginning, the rig test of simplified cavity with rotating disk and PIV measurement are carried out to investigate the flow structure in the cavity and to validate CFD analysis. CFD result has matched well with the measurement data of PIV, and it has been found that SST k-ω turbulent model provides the most reliable result by the sensitivity study. The study result also helps to choose the most suitable scheme of discretization and the method of pressure correction. Then, the modeling of the cavity flow network based on CFD analysis result has been applied to the thermal analysis for the aero-engine. Compared with the measured data, the result with this modeling shows that temperature prediction has been well improved.

Copyright © 2014 by ASME

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