A University of Utah doctoral student in mechanical engineering has won top honors for a scientific paper he presented at the 17th Congress of the International Council of the Aeronautical Sciences in Stockholm, Sweden, Sept. 9-14.

John Crepeau received the international council's John F. McCarthy Award and a $1,000 cash prize for his paper on turbulent flows in rocket motors.Crepeau's paper previously received the Abe M. Zarem Award from the American Institute of Aeronautics and Astronautics.

A native of San Diego, Crepeau has a bachelor's degree from the University of California at Berkeley and a master's degree from the U. He is studying for his doctorate under the direction of Dr. L. King Isaacson, professor of mechanical engineering and a recognized authority on modeling turbulent flow.