Potential of Localized Flow Heating for Wave Drag Reduction

  • E. Schülein
  • E. Bornhöft

Introduction

It is well known that external localized flow heating upstream of supersonic blunt bodies can help to reduce their wave drag and to save the thrust required for a supersonic flight. According to published results the power effectiveness ratio η, defined as the ratio of the thrust power saved to the heating power introduced, is the most-recognized dimensionless parameter quantifying this drag reduction effect.

Keywords

Drag Reduction Heating Power Wave Drag Stream Tube Drag Reduction Effect 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

Preview

Unable to display preview. Download preview PDF.

Unable to display preview. Download preview PDF.

References

  1. 1.
    Schülein, E., Zheltovodov, A.A.: Effects of localized flow heating by arc discharge upstream of non-slender bodies. Shock Waves, 1–16 (2011), doi :10.1007/s00193-011-0307-1Google Scholar
  2. 2.
    Banuti, D., Hannemann, K.: Flow Control by Energy Deposition in Hypersonic Flow - Some Fundamental Considerations, AIAA Paper 2009-7345 (2009)Google Scholar
  3. 3.
    Ammerman, R.F., Gammon, T., Sen, P.K., Nelson, J.P.: DC-Arc Models and Incident-Energy Calculations. IEEE Transactions on Industry Applications 46(5), 1810–1819 (2010)CrossRefGoogle Scholar

Copyright information

© Springer-Verlag Berlin Heidelberg 2012

Authors and Affiliations

  • E. Schülein
    • 1
  • E. Bornhöft
    • 1
  1. 1.German Aerospace Center DLRInstitute of Aerodynamics and Flow TechnologyGöttingenGermany

Personalised recommendations