Mechanical and Aerospace Engineering - 1971

Smetana, F. O., & Daggerhart, J. A., Jr. (1971). Observations on the effects of pressure ratio and upstream flow conditions on the acoustical response of closed pipes. Journal of the Acoustical Society of America, (February), 399–401.

Smetana, F. O. (1971). A flight control system providing a simple-to-fly constant attitude aircraft. SAE Business Aircraft Conference, (March).

The entrainment and trapping of helium by a condensing gas stream. (1971). Rarefied gas dynamics :  proceedings of the seventh International Symposium on Rarefied Gas Dynamics held at the University of Pisa, June 19-July 3, 1970, 1023–1031. Pisa, Italy :  Editrice tecnico scientifica.

Smetana, F. O., & Marchman, J. F., III. (1971). A correlation of recent results on the mass flow and pressure distribution in the transition regime. Rarefied gas dynamics :  proceedings of the seventh International Symposium on Rarefied Gas Dynamics held at the University of Pisa, June 19-July 3, 1970, 241–249. Pisa, Italy :  Editrice tecnico scientifica.