An approach to measuring the effects of surface steps on transition using a propelled-model

Anne M. Bender, Aaron Drake, Vernecia S. McKay, Russell V. Westphal, Shuya Yoshioka, Yasuaki Kohama

Research output: Chapter in Book/Report/Conference proceedingConference contribution

10 Citations (Scopus)

Abstract

An experimental study was undertaken to determine the effects of step excrescences on boundary layer transition using a unique ground test facility in which the test model was propelled though still air. The study made use of a model with infinitely adjustable step sizes and a single measurement surface for all cases. The test conditions examined and measurements made built on earlier work conducted in a low speed wind tunnel to measure the influences of pressure gradient on the relation between surface excrescences and boundary layer transition. The initial experience with propelled-model testing indicated that this approach is capable of providing a low disturbance test environment with Reynolds numbers representative of flight conditions.

Original languageEnglish
Title of host publication2007 22nd International Congress on Instrumentation in Aerospace Simulation Facilities, ICIASF
DOIs
Publication statusPublished - 2007
Externally publishedYes
Event2007 22nd International Congress on Instrumentation in Aerospace Simulation Facilities, ICIASF - Pacific Grove, CA, United States
Duration: 2007 Jun 102007 Jun 14

Publication series

NameICIASF Record, International Congress on Instrumentation in Aerospace Simulation Facilities
ISSN (Print)0730-2010

Other

Other2007 22nd International Congress on Instrumentation in Aerospace Simulation Facilities, ICIASF
Country/TerritoryUnited States
CityPacific Grove, CA
Period07/6/1007/6/14

Keywords

  • Boundary layer
  • Excrescence
  • Transition

ASJC Scopus subject areas

  • Instrumentation
  • Aerospace Engineering
  • Condensed Matter Physics

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