Wolfgang Kollmann Professor of Mechanical Engineering Dipl.-Ing. (1967), Aerospace Engineering, Universität Stuttgart, Germany Dr.-Ing. (1972), Mechanical Engineering, Rheinisch-Westfälische Technische Hochschule Aachen, Germany Habilitation (1979), Mechanical Engineering, Rheinisch-Westfälische Technische Hochschule Aachen, Germany Mechanical & Aeronautical Engineering University of California, Davis Davis, CA 95616-5294 Office: 2096 Bainer, (916) 752-1452 Lab: Fax: (916) 752-4158 Email: wkollmann@ucdavis.edu

• ENG-180 (Engineering Analysis)
• EME-210A (Advanced Fluid Mechanics and Heat Transfer)
• EME-210B (Advanced Fluid Mechanics and Heat Transfer)
• EME-213 (Advanced Turbulence Modeling)

Turbulence modeling, turbulent combustion, numerical fluid mechanics.

1974

Statistische Untersuchung Einer Turbulenten, Reagierenden Stromung, H. Knabben, W. Kollmann, and C. G. Stojanoff, Archiwum Procesow Spalania 5:295-310.

Calculation of Special Functional Integrals, W. Kollmann, J. Math. Phys. 16:2197-2200.

Functional Integrals in the Statistical Theory of Turbulence and the Burgers Model Equation, W. Kollmann, J. Stat. Phys. 14(3):291-303.

Numerishe Untersuchung Des Abklingvorganges Eines Freien Luftbogens, W. Kollmann, H. Sommer, and C. G. Stojanoff, J. Non-Equilib. Thermodyn. 2:17-38.

Preliminary Report On Sheared Cellular Motion As a Qualitative Model of Homogeneous Turbulent Shear Flow, S. Corrsin and W. Kollmann, Turbulence in Internal Flows, S. N. B. Murthy, Ed., Hemisphere Publishing, Pp. 11-33.

Ein Rechenmodell Fur Reagierende Turbulente Scherstromungen Im Chemischen Nichtgleichgewicht, J. Janicka and W. Kollmann, Warme and Stoffubertragung 11:157-174.

The Solution of a PDF-Transport Equation for Turbulent Diffusion Flames, J. Janicka, W. Kolbe, and W. Kollmann, Proceedings of the 26th Heat Transfer and Fluid Mechanics Institute, C. T. Crowe and W. T. Grosshandler, Eds., Stanford University Press, Pp. 296-312.

Two Variables Formalism for the Treatment of Chemical Reactions in Turbulent H2-Air Diffusion Flames, J. Janicka and W. Kollmann, Proceedings of the 17th Symposium (Intl.) On Combustion, Leeds, Pp. 421-430.

Closure of the Transport Equation for the Probability Density Function of Turbulent Scalar Fields, J. Janicka, W. Kolbe, and W. Kollmann, J. Nonequil. Thermodyn. 4:47-66.

The Calculation of Free Turbulent Shear Flows With Strong Density Fluctuations, W. Kollmann and D. Vandromme, Int. J. Heat and Mass Transfer 22:1557-1565.

Turbulent Mixing in the Downstream-Mixing Gasdynamic Laster, D. Vandromme, W. Kollmann, and J. F. Wendt, Proc. 2nd International Symposium On Gas-Flow and Chemical Lasers, Hemisphere Publishing Corp., Pp. 297-307.

Prediction Model for the PDF of Turbulent Temperature Fluctuations in a Heated Round Jet, J. Janicka and W. Kollmann, Proc. Second Symposium On Turbulent Shear Flows, London, Pp. 1.7-1.11.

Turbulent Shear Flow With Fluctuating Density, W. Kollmann and D. Vandromme, Paper No. 79-1485, AIAA 12th Fluid and Plasma Dynamics Conference, Williamsburg, Va.

A Prediction Model for Turbulent Diffusion Flames Including No-Formation, J. Janicka and W. Kollmann, Agard Conference Proceedings Cp-275, Pp. 1-16.

Prediction of Turbulent Diffusion Flames With a Four-Equation Turbulence Model, W. Kolbe and W. Kollmann, Acta Astronautica 7:91-104.

Computational Fluid Dynamics, Volume I, W. Kollmann, Ed., Vki-Book, Hemisphere Publishing Corp., Washington, Dc.

Prediction Methods for Turbulent Flows, Volume II, W. Kollmann, Ed., Vki-Book, Hemisphere Publishing Corp., Washington, Dc.

Computational Fluid Dynamics, Vol. 2, W. Kollmann, Ed., Vki-Book, Hemisphere Publishing Corp. Washington, Dc.

Closure Model for Intermittent Turbulent Flows, S. Byggstoyl and W. Kollmann, Int. J. Heat Mass Transfer 24:1811-1822.

The PDF of Temperature in Recirculating Flows, W. Kollmann and F. Schmidt, Proc. Seventh Biennial Symposium On Turbulence, Rolla.

Second Order Closure for Variable Density Free Shear Layers, D. Vandromme and W. Kollmann, Proc. Third Int. Symp. On Turbulent Shear Flows, Davis.

The Calculation of Mean Radical Concentrations in Turbulent Diffusion Flames, J. Janicka and W. Kollmann, Combustion and Flame 44:319-336.

The Probability Density Function of a Passive Scalar in Turbulent Shear Flow, W. Kollmann and J. Janicka, Physics of Fluids, Pp. 1755-1769.

Reynolds Stress Closure Model for Conditional Variables, J. Janicka and W. Kollmann, Proceedings of Fourth International Symposium, Turbulent Shear Flows, Karlsruhe (Springer Verlag, Berlin).

Second Order Closure for the Calculation of Compressible Wall Bounded Flows With an Implicit Navier-Stokes Solver, D. Vandromme, Hieu Ha-Minh, J. R. Viegas, M. Rubesin, and W. Kollmann, Proceedings of Fourth International Symposium, Turbulent Shear Flows, Karlsruhe (Springer Verlag, Berlin).

Prediction of the Intermittency Factor for Turbulent Shear Flows, W. Kollmann, AIAA Journal 22:486-492.

Intermittent Turbulent Flow, W. Kollmann, Proceedings of Fundamentals of Fluid Mechanics Conference, Evanston, Il (Springer Verlag).

Conserved Scalar Fluxes Measured in a Turbulent Nonpremixed Flame By Combined Laser Doppler Velocimetry and Laser Raman Scattering, R. W. Dibble, W. Kollmann, and R. W. Schefer, Combustion and Flame 55:307-321.

Laser Measurements and Stochastic Simulation of Turbulent Reacting Flows, S. C. Johnston, R. W. Dibble, R. W. Schefer, W. T. Ashurst, and W. Kollmann, AIAA-84-0543, Aerospace Sciences Conference, Reno, Nv.

Measurements and Predictions of Scalar Dissipation in Turbulent Jet Flames, R. W. Dibble, W. Kollmann, and R. W. Schefer, Proceedings of 20th International Symposium, Combustion, Ann Arbor, Mi (Combustion Institute).

Multi-Scalar PDF Transport Equations for Turbulent Diffusion Flames, W. P. Jones and W. Kollmann, Fifth International Symposium On Turbulent Shear Flows, Cornell University and Turbulent Shear Flows, Vol. 5 (F. Durst Et Al., Eds.), Springer V. (1987), Pp. 296-309.

Second-Order Closure for Turbulent Nonpremixed Flames, M. Farshchi, W. Kollmann, R. W. Dibble, and R. W. Schefer, Fifth International Symposium On Turbulent Shear Flows, Cornell University.

The Behaviour of Turbulence Anisotropy Through Shock Waves and Expansions, H. Ha-Minh, W. Kollmann, and D. Vandromme, Fifth International Symposium On Turbulent Shear Flows, Cornell University.

Stress Transport in the Rotational and Irrotational Zones of Turbulent Shear Flows, S. Byggstoyl and W. Kollmann, Physics of Fluids 29:1423-1429.

A Closure Model for Conditioned Stress Equations and Its Application To Turbulent Shear Flows, S. Byggstoyl and W. Kollmann, Physics of Fluids 29:1430-1440.

Second-Order Closure for Turbulent Nonpremixed Flames: Scalar Dissipation and Heat Release Effects, R. W. Dibble, W. Kollmann, M. Farshchi, and R. W. Schefer, Twenty-First Symposium On Combustion, Munich.

Nonreacting Turbulent Mixing Flows, F. C. Gouldin, R. W. Schefer, S. C. Johnston, and W. Kollmann, Progr. Energy Comb. Sci. 12:257-303.

Slow Chemistry Nonpremixed Flows, M. C. Drake and W. Kollmann, Progr. Energy Comb. Sci. 12:373-392.

A Second-Order Closure Prediction of Premixed Turbulent Combustion in Jets, N. Dave and W. Kollmann, Physics of Fluids 30:345-356.

Conditional Sampling of Velocity and Scalars in Turbulent Flames Using Simultaneous Ldv-Raman Scattering, R. W. Dibble, V. Hartmann, R. W. Schefer and W. Kollmann, Experiments in Fluids 5:103-113.

PDF-Transport Equations for Chemically Reacting Flows, W. Kollmann, Proc. U.S.-France Workshop On Turbulent Reactive Flows.

Also Appeared In: Lecture Notes in Engineering, Vol. 40, R. Borghi and S. N. B. Murthy, Eds., Pp. 715-730, Springer Verlag, 1989.

Scalar-Velocity PDF Equations for Turbulent Shear Flows, W. Kollmann and A. Wu, AIAA Paper AIAA-87-1348.

Also Appeared As:

Equation for the Probability Density Function of Velocity and Scalar for Turbulent Shear Flows, W. Kollmann and A. Wu, AIAA Journal 27(8):1052-1058 (1989).

PDF Modeling of Chemical Nonequilibrium Effects in Turbulent Nonpremixed Hydrocarbon Flames, J.-Y. Chen and W. Kollmann, Twenty-Second Symposium (Int.) Combustion, the Combustion Institute, Pp. 645-653.

PDF Modeling of Turbulent Nonpremixed Methane Jet Flames, J.-Y. Chen, W. Kollmann, and R. W. Dibble, Combustion Science and Technology 64(4-6):315-346.

Mixing Models for Turbulent Flows With Exothermic Reactions, J.-Y. Chen and W. Kollmann, Seventh Symposium On Turbulent Shear Flows, Vol. 2, Pp. 23.3.1-23.3.6, Stanford University.

The PDF Approach To Turbulent Flow, W. Kollmann, Theoretical Comput. Fluid Dynamics 1:249-285.

Predictions of Soot in Laminar Diffusion Flames, I. M. Kennedy, W. Kollmann, and J.-Y. Chen, AIAA Journal 29, Pp. 1452-14572

Also Appeared In: 28th Aerospace Sciences Meeting, AIAA Paper 90-0459, January 8-11, Reno, Nv..

Chemical Models for PDF Modeling of Hydrogen-Air Nonpremixed Turbulent Flames, J.-Y. Chen and W. Kollmann, Combustion Flame 79(1):75-99.

A Model for Soot Formation in a Laminar Diffusion Flame, I. M. Kennedy, W. Kollmann, and J.-Y. Chen, Combustion Flame 81(1):73-85.

PDF Prediction of Sooting Turbulent Flames, M. Metternich, W. Kollmann, I. M. Kennedy, and J.-Y. Chen, AIAA Meeting, Reno, Nv, 1991.

Segregation Parameters and Pair-Exchange Mixing Models for Turbulent Nonpremixed Flames, J.-Y. Chen and W. Kollmann, Twenty-Third International Symposium On Combustion. the Combustion Institute, 1980, Pp. 751-757.

Analysis of Turbulent Mixing Models, J.-Y. Chen, and W. Kollmann, Eighth Symposium On Turbulent Shear Flows, Munich, Germany, Pp. 22-1 - 22-5. (50%)

PDF Modeling and Analysis of Thermal No Formation in Turbulent Nonpremixed Hydrogen-Air Jet Flames, J.-Y. Chen and W. Kollmann, Combustion & Flame 88, Pp. 397-412. (50%)

A Simulation of Particle Dispersion in a Turbulent Jet, D. Hansell, I.M. Kennedy and W. Kollmann, Int. J. Multiphase Flow 18, Pp. 559-576. (35%)

The Interaction of Turbulence and Chemical Kinetics, W. Kollmann and J.-Y. Chen, Major Research Topics in Combustion (M.Y. Hussaini, A. Kumar and R. G. Voight Eds.), Springer Verlag, Pp. 359-402. (50%)

Direct Simulation of a Turbulent Boundary Layer With Suction, P. Mariani, P. Spalart and W. Kollmann, Near Wall Turbulent Flows (R.M.C. So, C.G. Speziale and B.E. Launder, Eds), Elsevier Sci, Publ. New York, Pp. 347-356. (30%)

Numerical Simulation of Particle Dispersion in Turbulent Jets, J. J. Lienau, I.M. Kennedy and W. Kollmann, AIAA 93-0547. (35%)

Numerical Simulation of the Turbulent Flow in Round Jets, J. J. Lienau and W. Kollmann, AIAA 93-0199. (50%)

PDF Prediction of Supersonic Hydrogen Flames, P. Eifler and W. Kollmann, AIAA 93-0448. (60%)

Measurements and Predictions of the Non-Diffusive Reaction Product in a Co-Flow Turbulent Jet, T. A. Jenkins, I. M. Kennedy and W. Kollmann, AIAA 93-0452.(35%)

Transient Behavior of Simplified Reaction Mechanisms for Methane Nonpremixed Combustion, J.-Y. Chen, T. Kaiser, W. Kollmann, Combust. Sci. and Techn., 92, 313-347.(35%)

Numerical Simulation of Propagating Surfaces in Turbulent Jets, J. J. Lienau and W. Kollmann, AIAA 93-3119. (50%)

Numerical Simulation of Low Reynolds Number Turbulence in Round Jets, J.H. Chen, J.J. Lienau and W. Kollmann, Nineth Symposium On Turbulent Shear Flows, Kyoto, Japan, Pp. 9-4-1 - 9-4-6. (35%)

Role of Turbulent Shear Stresses in Particle Dispersion, I. M. Kennedy and W. Kollmann, AIAA Journal 31, Pp. 1959-1960. (50%)

Comparison of Prediction and Measurements in Non-Premixed Turbulent Flames, J.-Y. Chen and W. Kollmann, Turbulent Reacting Flows (P.A. Libby and F. A. Williams, Eds.), Pp. 211-308. (50%)

Structural Properties of Turbulent Round Jets, J. J. Lienau, W. Kollmann and J. H. Chen, AIAA 94-0406. (40%)

Numerical Simulation of Vaporizing Particles in Turbulent Jets, J. J. Lienau, I. M. Kennedy and W. Kollmann, AIAA 94-0662.

Topological and Geometrical Properties of Turbulent Flames, J. H. Chen and W. Kollmann, AIAA 94-0098. (50%)

Large-Eddy Simulation Using the Finite-Element Method, R. C. Mccallen, P. Gresho, J. M. Leone, Jr. and W. Kollmann, Proc. 1994 ASME Fluids Engineering Meeting, Lake Tahoe. (25%)

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