דברו איתנו
דוד דגני

דוד דגני

Rosenblatt Chair in Mechanical Engineering

Education

  • 1971 – B.Sc. in Mechanical Engineering, Technion – IIT
  • 1975 – D.Sc. in Engineering, Technion – IIT

Research Interests

  • Computational cardiovascular fluid dynamics
  • Stability of High angle of attack flows
  • Computational fluid dynamics visualization
  • Fluid-Structure interaction

Guest Appointments

  • Visiting Professorship, UC Berkeley, 1999-2000.
  • Visiting Professorship, Stanford University, 1991, 1992.
  • Senior Research Associate, NASA Ames Research Center, 1981-1983, 1987-1989.
  • Post-Doctoral Fellow, Stanford University, 1976-1977.
  • Research Associate, NASA Ames Research Center, 1975-1977.

Public Professional Activities

  • Head, Danciger Laboratories, Technion (2007- 2010)
  • Deputy Senior Vice President, Technion (2002- 2006)
  • Chairman, Technion Faculty Association (1995-1999)
  • Assistant Vice President for Development, Technion (1984-1987)
  • Head, Technion Microcomputers Program (1984-1987)

Membership in Professional Societies

  • AIAA, Associate Fellow
  • APS

Honors and Awards

  • Rosenblatt Chair in Mechanical Engineering
  • NASA Creative Technical Innovation Awards (1990,1991,1992)
  • G.A. Award, F-18 High-Angle-of-Attack Aerodynamics Team (1990)
  • U.S.A. National Academy of Sciences Research Associate Awards (1975,1981,1987)

Selected Publications

  • D. Degani and L.B. Schiff: "Computation of turbulent supersonic flows around pointed bodies having cross-flow separation," Computational Physics, 1986, Vol. 66, No. 1, pp. 173-196.
  • Y. Levy, D. Degani and A. Seginer: "Graphical visualization of vortical flows by means of helicity," AIAA Journal, 1990, Vol. 28, pp. 1347-1352.
  • D. Degani and L. B. Schiff: "Numerical simulation of the effect of spatial disturbances on vortex asymmetry," AIAA Journal, 1991, Vol. 29, No.3, pp. 344-352.
  • D. Degani: "Instabilities of flows over bodies at large incidence," AIAA Journal, 1992, Vol. 30, No. 1, pp. 94-100.
  • D. Degani and Y. Levy: "Asymmetric turbulent flows over slender bodies," AIAA Journal, 1992, Vol. 30, No. 9, pp. 2267-2273.
  • D. Degani and M. Tobak: "Experimental study of controlled tip disturbance effect on flow asymmetry," Physics of Fluids A, 1992, Vol. 4, No. 12, pp. 2825-2832.
  • D. Degani and S. W. Marcus: "Thin vs. full Navier-Stokes computations for high angle-of-attack aerodynamics," AIAA Journal, 1997, Vol. 35, No. 3, pp. 565-567.
  • S. W. Marcus and D. Degani: "Exact parallelized solutions of multi-diagonal systems in underwater propagation over an elastic bottom," Theoretical and Computational Acoustics `97, World Scientific Publishing, 1999, 115-134.
  • V. Kamenetsky, A. Goldshtein, M. Shapiro, and D. Degani: "Evolution of a Shock Wave in a Granular Gas," Physics of Fluids, 2000, Vol. 12, No. 11, pp. 3036-3049.
  • Y. Lifshitz and D. Degani, "Low-dimensional models of flows over a body of revolution at high incidence." Applied and Computational Mechanics, Vol. 12, (W.L. Wendland and M. Efendiev, Eds.). Springer, 2003.
  • A. Tumin, Y. Lifshitz, and D. Degani: "Theoretical studies of harmonic perturbations in turbulent shear flows for purpose of flow control." Invited Paper, 36th AIAA Fluid Dynamics Conference, San Francisco, June 2006.
  • Y. Lifshitz and D. Degani: "Continuing nonlinear growth of Tollmien-Schlichting waves." Physics of Fluids, Vol 19, 088106, 2007.
  • Z. Magalov, A. Shitzer and D. Degani: "Cryo-surgical aspects of isothermal volume contours generated in a freezing gel by embedded cryo-needles." Cryobiology, Vol. 55, No. 2 (October), pp.127-137, 2007.
  • Y. Lifshitz, D. Degani, and A. Tumin: "On the interaction of turbulent shear layers with harmonic perturbations." Flow, Turbulence and Combustion, Vol. 80, No. 1, pp. 61-80, 2008.
  • Z. Magalov, A. Shitzer and D. Degani: "Experimental and numerical study of one, two and three embedded needle cryoprobes simultaneously operated by high pressure Argon gas. " J. Heat Transfer, ASME, 2008, 130, #3, 032301-12.
  • G. Bekerman, A. Shitzer and D. Degani: "Numerical model of the effects of a thermally-significant blood vessel on solidification by a circular surface cryosurgical probe compared to experimental data. " J. Heat Transfer, ASME, 2009, Vol. 131, No. 5, 051101-2.
  • Y. Lifshitz and D. Degani: "Impact of harmonic perturbations on a turbulent mixing layer. " AIAA Journal, 2010, Vol. 48, 9, pp. 2169-2172.
  • Y. Lifshitz, D. Degani, and A. Tumin: “Study of discrete modes branching in high-speed boundary layers. " AIAA Journal, 2012, Vol. 50, 10, pp. 2202-2210.
  • S. Gendel, O. Gottlieb and D. Degani: “Fluid-Structure Interaction of an Elastically Mounted Slender Body at High Incidence.” AIAA Journal, Vol. 53, No. 5, 2015, pp. 1309-1318. doi: 10.2514/1.J053416.
  • Y. Lifshitz, D. Degani, and A.P. Rothmayer: “Periodic-Forcing Parameters for Control of Incipient Leading-Edge Separation .” AIAA Journal, 2015. Vol. 53, No. 9, pp. 2482-2491. doi: 10.2514/1.J053413
  • Z. Magalov, A. Shitzer and D. Degani: “An efficient technique for estimating the two-dimensional temperature distributions around multiple cryo-surgical probes based on combining contributions of unit circles.” Computer Methods in Biomechanics and Biomedical Engineering. 19(13), 2016, pp. 1462-1474. DOI: 10.1080/10255842.2016.1154546
  • D. Degani, M. Ishay and O. Gottlieb: “Fluid-structure interaction of a rolling restrained body of revolution at high angles of attack.” Physics of Fluids. Vol. 29, No. 3, 2017. DOI: 10.1063/1.4978416
  • Y. Lifshitz, and D. Degani: “Mathematical modelling of the active flow control by periodic excitation.” Journal of Applied Mathematics and Mechanics, Vol. 81, 2017, pp. 189–205.
  • Z. Magalov, A. Shitzer and D. Degani: “A novel, efficient, unit circle-based, method for positioning and operating cryo-surgical probes in convex target areas.” Journal of Biomechanical Engineering, ASME, Vol. 143, No. 2, 2021. DOI: 10.1115/1.4048402
  • M Ishay, O. Gottlieb and D. Degani: “Computational fluid-structure interaction of a restrained ogive-cylindrical body with a blunt elliptical base at a high incidence.” Physical Review Fluids. Vol. 6, No. 1, 2021. DOI: 10.1103/PhysRevFluids.6.014401
  • D. Degani: “Development of nonstationary side forces along a slender body of revolution at incidence.” Physical Review Fluids. Physical Review Fluids. Vol. 7, No. 12, 2022. DOI: 10.1103/PhysRevFluids.7.124101

 

מעוניינים.ות ללמוד את מקצוע העתיד?
הפקולטה להנדסת מכונות, קרית הטכניון, חיפה

"*" אינדוקטור שדות חובה

השכמה*
שדה זה מיועד למטרות אימות ויש להשאיר אותו ללא שינוי.
© כל הזכויות שמורות הפקולטה להנדסת מכונות
בניית אתרים בניית אתרים
Accessibility by WAH