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High Angle-of-Attack Yaw Control Using Strakes on Blunt-Nose Bodies

Stucke, Russell Andrew
http://rave.ohiolink.edu/etdc/view?acc_num=toledo1167777201

Abstract Details

2006, Master of Science in Mechanical Engineering, University of Toledo, Mechanical Engineering.
This study explores control of a blunt-nose slender body aircraft at high angles of attack. To maximize the operational envelope and maximum payload capabilities two nose geometries were studied, hemispherical and elliptical, to determine stability and control at high angles of attack. Preliminary flow investigation indicates that at high angles of attack the elliptical nose was more stable than the hemispherical nose due to the forebody airflow and vortex interaction on the aircraft body. (Studies were carried out at Mach 0.1.) Generation and control of phantom yaw was studied using strakes of varying sizes and shapes, rectangular and triangular. The elliptical nose responded linearly to both shapes, while the hemispherical only responded beneficially to the triangular strake designs. Ultimately yaw control was optimized for both models using triangular shaped strakes, yawing moment was maximized for the elliptical nose (Cn = 2.07) and the hemispherical nose (Cn = 2.2). The combination of the elliptical nose with triangular shaped strakes offered the most dynamic and versatile combination.
Terry Ng (Advisor)
133 p.
Blunt-nose; High angle-of-attack; strakes

Recommended Citations

Citations

  • Stucke, R. A. (2006). High Angle-of-Attack Yaw Control Using Strakes on Blunt-Nose Bodies [Master's thesis, University of Toledo]. OhioLINK Electronic Theses and Dissertations Center. http://rave.ohiolink.edu/etdc/view?acc_num=toledo1167777201

    APA Style (7th edition)

  • Stucke, Russell. High Angle-of-Attack Yaw Control Using Strakes on Blunt-Nose Bodies. 2006. University of Toledo, Master's thesis. OhioLINK Electronic Theses and Dissertations Center, http://rave.ohiolink.edu/etdc/view?acc_num=toledo1167777201.

    MLA Style (8th edition)

  • Stucke, Russell. "High Angle-of-Attack Yaw Control Using Strakes on Blunt-Nose Bodies." Master's thesis, University of Toledo, 2006. http://rave.ohiolink.edu/etdc/view?acc_num=toledo1167777201

    Chicago Manual of Style (17th edition)

toledo1167777201
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© 2006, all rights reserved.
This open access ETD is published by University of Toledo and OhioLINK.