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Low drag aerodynamic attitude control for high-speed missiles using transpiration

Zbierajewski, Kathryn Ann
http://rave.ohiolink.edu/etdc/view?acc_num=toledo1278550240

Abstract Details

2010, Master of Science, University of Toledo, Mechanical Engineering.
This CFD study investigates the effectiveness of transpiration channels for attitude control of a high-speed missile. The channel geometry is progressively adjusted based on the flow results from CFD studies to develop an optimized configuration. Additional sensitivity studies are conducted with the chosen best channel geometry on the effects of geometric parameters, Mach number, and angle-of-attack (AOA). In order to compare the control moments generated and the drag induced by the transpiration channels with the more commonly used spoiler, the Mach number and AOA CFD sensitivity studies are repeated on a generic spoiler geometry. The CFD study shows that the transpiration channels generate the control moments desired, but at a smaller magnitude and with much less drag than the spoilers. Once optimized, the performance of the transpiration channels is relatively insensitive to small changes in geometric parameters. The one exception is the channel cross sectional area, where the larger the channel cross-sectional area the larger the control moment produced. Lowering the Mach number and increasing the AOA both decrease the magnitude of the pitch moment produced, while yaw decreases and roll increases with increase in AOA. Similarly, the spoiler studies show decreased pitch moment with lower speed and increased AOA.
Terry Ng (Committee Chair)
Sorin Cioc (Committee Member)
Abdollah Afjeh (Committee Member)
140 p.
Engineering; Fluid Dynamics; Mechanical Engineering
transpiration; attitude control

Recommended Citations

Citations

  • Zbierajewski, K. A. (2010). Low drag aerodynamic attitude control for high-speed missiles using transpiration [Master's thesis, University of Toledo]. OhioLINK Electronic Theses and Dissertations Center. http://rave.ohiolink.edu/etdc/view?acc_num=toledo1278550240

    APA Style (7th edition)

  • Zbierajewski, Kathryn. Low drag aerodynamic attitude control for high-speed missiles using transpiration. 2010. University of Toledo, Master's thesis. OhioLINK Electronic Theses and Dissertations Center, http://rave.ohiolink.edu/etdc/view?acc_num=toledo1278550240.

    MLA Style (8th edition)

  • Zbierajewski, Kathryn. "Low drag aerodynamic attitude control for high-speed missiles using transpiration." Master's thesis, University of Toledo, 2010. http://rave.ohiolink.edu/etdc/view?acc_num=toledo1278550240

    Chicago Manual of Style (17th edition)

toledo1278550240
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© 2010, all rights reserved.
This open access ETD is published by University of Toledo and OhioLINK.