Circulation control is a viable active flow control approach that can be used to meet the NASA Subsonic Fixed Wing project s Cruise Efficient Short Take Off and Landing goals. Currently, circulation control systems are primarily designed using empirical methods. However, large uncertainty in our ability to predict circulation control performance has led to the development of advanced CFD methods. This paper provides an overview of a systematic approach to developing CFD tools for basic and advanced circulation control applications. This four-step approach includes "Unit", "Benchmar", "Subsystem", and "Complete System" experiments. The paper emphasizes the ongoing and planned 2-D and 3-D physics orientated experiments with corresponding CFD efforts. Sample data are used to highlight the challenges involved in conducting circulation control computations and experiments.


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    Title :

    Overview of CFD Validation Experiments for Circulation Control Applications at NASA


    Contributors:
    Jones, G. S. (author) / Lin, J. C. (author) / Allan, B. G. (author) / Milholen, W. E. (author) / Rumsey, C. L. (author) / Swanson, R. C. (author)

    Conference:

    2008 International Powered Lift Conference ; 2008 ; London, United Kingdom


    Publication date :

    2008-07-22


    Type of media :

    Conference paper


    Type of material :

    No indication


    Language :

    English


    Keywords :


    Overview of CFD Validation Experiments for Circulation Control Applications at NASA

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    NASA HIGH-REYNOLDS-NUMBER CIRCULATION CONTROL RESEARCH - OVERVIEW OF CFD AND PLANNED EXPERIMENTS

    Milholen, W. / Jones, G. / Cagle, M. et al. | British Library Conference Proceedings | 2010