Numerical investigation on the steady and unsteady flow characteristics of rim seal for the first stage in gas turbine

Numerical investigation on the steady and unsteady flow characteristics of rim seal for the first... •We study a more realistic rim seal in the first stage of gas turbine.•The influence of rim seal structures and rotational speeds have been studied.•The steady and unsteady flow characteristics of rim seal are discussed in detail.•The distributions of sealing effectiveness, pressure and minimum sealing flow are presented. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Applied Thermal Engineering Elsevier

Numerical investigation on the steady and unsteady flow characteristics of rim seal for the first stage in gas turbine

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Publisher
Elsevier
Copyright
Copyright © 2016 Elsevier Ltd
ISSN
1359-4311
eISSN
1873-5606
D.O.I.
10.1016/j.applthermaleng.2016.01.021
Publisher site
See Article on Publisher Site

Abstract

•We study a more realistic rim seal in the first stage of gas turbine.•The influence of rim seal structures and rotational speeds have been studied.•The steady and unsteady flow characteristics of rim seal are discussed in detail.•The distributions of sealing effectiveness, pressure and minimum sealing flow are presented.

Journal

Applied Thermal EngineeringElsevier

Published: Apr 25, 2016

References

  • Numerical investigation on the flow and heat transfer in a rotor-stator disc cavity
    Liao, G.L.; Wang, X.J.; Li, J.; Zhou, J.F.
  • Disk cavity purge air outflow into the main gas path of a model turbine stage
    Balasubramanian, J.; Junnarkar, N.; Roy, R.P.; Glahn, J.A.
  • Sealing of gas turbine disk cavities operating in the presence of mainstream external flow
    Khilnani, V.I.; Bhavnani, S.H.
  • Experimental investigation of pressure loss and heat transfer in a rotor-stator cavity with two outlets
    Luo, X.; Han, G.; Wu, H.
  • Flow structure and heat transfer characteristics in rotor-stator cavity with inlet at low radius
    Luo, X.; Zhao, X.; Wang, L.
  • Numerical investigation of the pre-swirl rotor-stator system of the first stage in gas turbine
    Liao, G.L.; Wang, X.J.; Li, J.

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