College Directory

Alric Paul Rothmayer

Professor in Aerospace Engineering
Professor in Mathematics

Main Office

2235 Howe Hall
Ames, IA 50011-2271
Phone: 515-294-8851
Fax: 515-294-3262

Email: roth@iastate.edu

Education

Ph.D., Aerospace Engineering, University of Cincinnati, 1985

M.S., Aerospace Engineering, University of Cincinnati, 1982

B.S., Applied Mechanics, University of Cincinnati, 1980

Interest Areas

Aircraft and wind turbine icing
Theory of ice surface growth and roughness formation for glaze icing conditions. Heat transfer effects. Modeling of surface water runback on rough ice surfaces. Integration of modeling with aircraft icing simulation codes.

Aerodynamic flow control
Flow control using passive and active, low and high frequency surface actuation. Control of flow separation. Computational fluid dynamic and boundary modeling of static and dynamic surface roughness.

Flow past unsteady surface actuators.
Aircraft propulsion

Selected Publications

Grager, T., Rothmayer, A.P., Hu, H, and W.W. Huebsch, 2012, “Low Reynolds number stall suppression with dynamic roughness,” accepted, AIAA 6th Flow Control Conference, New Orleans LA.

Rothmayer, A.P., and W.W. Huebsch, 2012, “Flow about large unsteady two-dimensional humps in a boundary layer,” accepted, AIAA 42nd Fluid Dynamics Conference and Exhibit, New Orleans LA.

Rothmayer A.P., and Hu, H., 2012, “Solutions for two-dimensional instabilities of ice surfaces uniformly wetted by thin films,” accepted, 4th AIAA Atmospheric and Space Environments Conference, New Orleans LA.

Gall, P.D., Huebsch. W.W., and Rothmayer, A.P., 2011, Dynamic roughness as a means of leading separation flow control, to appear in J. Aircraft. Your manuscript is scheduled for publication in Volume 49, Number 1 of the Journal of Aircraft (January-February 2012).

A.P. Rothmayer, and W.W. Huebsch, 2011, “On the modification of laminar boundary layers using unsteady surface actuation,” AIAA Paper 2011-4016, presented at the 6th AIAA Theoretical Fluid Mechanics Conference, Honolulu, HW, June 2011.

A.P. Rothmayer , and W.W. Huebsch, 2011, “Interaction between two-dimensional Tollmien-Schlichting waves and vibrating surfaces,” AIAA Paper 2011-3923, presented at the 6th AIAA Theoretical Fluid Mechanics Conference, Honolulu, HW, June 2011.