Paul A. Libby

Paul Andrews Libby (born September 4, 1921) is an Emeritus Professor of Mechanical and Aerospace Engineering at the University of California, San Diego, a specialist in the field of Combustion and Aerospace Engineering.

Paul Andrews Libby
Born (1921-09-04) September 4, 1921
Mineola, New York, U.S.
CitizenshipAmerican
Alma materPolytechnic Institute of Brooklyn
Known forBray–Moss–Libby model
Becker–Morduchow–Libby solution
Scientific career
FieldsFluid dynamics
Combustion
Aerospace Engineering
InstitutionsPolytechnic Institute of Brooklyn
University of California, San Diego
Thesis (1948)
InfluencesAntonio Ferri
Theodore von Kármán

Biography

Paul Libby received his bachelor's degree in 1942 and obtained his PhD in 1948, both from Polytechnic Institute of Brooklyn. He also served in the United States Navy in between his Bachelors and Doctorate degree; he was a Junior Grade Lieutenant when discharged.

He joined the faculty of Polytechnic Institute of Brooklyn and advanced to the rank of Professor. At that time, the famous aerodynamist Antonio Ferri, a friend of Theodore von Kármán, joined the Polytechnic Institute of Brooklyn. Libby worked with Ferri as an assistant for ten years. In 1962, when Sol Penner was looking for faculty for the newly-found School of Engineering at the University of California, San Diego, Libby was recommended to Penner by von Kármán. He joined UCSD in 1964 as one of the 10 founding faculty members. He served as department chair from 1973 to 1976. He also served as Acting Dean and Associate Dean of Graduate affairs.

Research

Paul Libby's research focuses on a broad range of topics in fluid dynamics including boundary layers, turbulence, aerothermochemistry and combustion. The structure of shock waves was exactly solved by Morduchow and Libby in 1949,[1] demonstrating that the entropy of the gas goes through a maximum upon crossing the shock wave. He, along with Keith Stewartson, were the first to identify the eigensolutions of boundary layer equations and to study the uniqueness of the boundary-layer solutions. Homann flow, axisymmetric stagnation point flows, was generalized by Libby. Paul Libby, along with Kenneth Bray, discovered an important phenomenon known as Counter-gradient diffusion in turbulent flames, in a series of papers in the 80s which are considered important contributions to our understanding of turbulent combustion.[2][3][4][5]

Publications

Libby has produced more than 200 journal publications throughout his career. He authored numerous books and monographs, which includes An Introduction to Turbulence,[6] Turbulent Reacting Flows[7] (co-authored with Forman A. Williams), Space Flight and Re-Entry Trajectories,[8] A Theoretical Analysis of the Turbulent Mixing of Reactive Gases with Application to the Supersonic Combustion of Hydrogen,[9] Some Perturbation Solutions in Laminar Boundary Layer Theory,[10] and Theoretical and Experimental Investigation of Supersonic Combustion[11]

Honors

Libby was elected a member of the National Academy of Engineering in 1999.[12] He is a Guggenheim Fellow and a Guest Fellow of the British Royal Society.

See also

References
  1. Morris Morduchow and Paul A. Libby (1949), On a complete solution of the one-dimensional flow equations of a viscous, heat-conducting, compressible gas. Journal of the Aeronautical Sciences, 16(11), 674-684.
  2. Bray, K. N. C., et al. "Turbulence production in premixed turbulent flames." (1981): 127-140.
  3. Libby, Paul A., and K. N. C. Bray. "Countergradient diffusion in premixed turbulent flames." AIAA journal 19.2 (1981): 205-213.
  4. Bray, K. N. C., Paul A. Libby, and J. B. Moss. "Unified modeling approach for premixed turbulent combustion—Part I: General formulation." Combustion and flame 61.1 (1985): 87-102.
  5. Bray, K. N. C., Paul A. Libby, and J. B. Moss. "Flamelet crossing frequencies and mean reaction rates in premixed turbulent combustion." Combustion Science and Technology 41.3-4 (1984): 143-172.
  6. Libby, Paul A. (1996-10-01). An Introduction to Turbulence. ISBN 9781560321002.
  7. Libby, Paul A.; Williams, Forman Arthur (1980). Turbulent Reacting Flows. Topics in Applied Physics. 44. doi:10.1007/3-540-10192-6. ISBN 978-3-540-10192-5.
  8. Space Flight and Re-Entry Trajectories: International Symposium Organized by the International Academy of Astronautics of the IAF Louveciennes, 19–21 June 1961 Proceedings. Springer. 1962. ISBN 9783709154724.
  9. Libby, Paul A. (1961). "A Theoretical Analysis of the Turbulent Mixing of Reactive Gases with Application to the Supersonic Combustion of Hydrogen".
  10. Libby, Paul A.; Fox, Herbert (1962). "Some Perturbation Solutions in Laminar Boundary Layer Theory: The momentum equation".
  11. Ferri, Antonio; Libby, Paul A.; Zakkay, V. (1962). "Theoretical and Experimental Investigation of Supersonic Combustion".
  12. https://www.nae.edu/MembersSection/MemberDirectory/28998.aspx
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