Professional Activities and Accomplishments

Work Experience:

• 9/2006-Present, Physicist, Lawrence Livermore National Laboratory, Livermore, CA.
• 5/2006-9/2006, Senior Member of the Technical Staff, Sandia National Laboratories, Livermore, CA.
• 3/2003-5/2006, Postdoctoral Appointee, Sandia National Laboratories, Livermore, CA.
• 9/1996-12/2002, Graduate Assistant, The University of Minnesota, Minneapolis, MN.
• 5/1995-9/1995, Co-op Engineer, Kraft General Foods, Coshocton, OH.
• 1/1994-1/1995, Co-op Engineer, The Dow Chemical Company, Midland MI.

Education:

• Ph.D., Mechanical Engineering, The University of Minnesota 2002
• M.S., Mechanical Engineering, The University of Minnesota 1999
• B.S., Mechanical Engineering, The University of Akron 1996

Research Interests:

• Homogeneous Charge Compression Ignition (HCCI) Combustion
• Free-piston engines
• Fluid Flow and Heat Transfer in Porous Media

Engineering Education:

• Supplementing Thermodynamics Course Material with electronic media
• Instructor, ME 3702 Measurements Laboratory, Summer 1999
• Developer of laboratory experiments for ME 3701, ME 3702
• Developer of laboratory experiments for ME 5370, ME 5460

Publications:

• Aichlmayr, H. T. Kulacki, F. A. A Transient Technique for Measuring the Effective Thermal Conductivity of Saturated Porous Media with a Constant Boundary Heat Flux ASME J. of Heat Transfer Vol. 128 No. 11, pp. 1217-1220, 2006.
• Aichlmayr, H. T. Kulacki, F. A. The Effective Thermal Conductivity of Saturated Porous Media Advances in Heat Transfer Vol. 39, pp. 377-460, 2006.
• Aichlmayr, H. T. Kittelson, D. B. and Zachariah, M. R., Micro-HCCI Combustion: Experimental Characterization and Development of a Detailed Chemical Kinetic Model with Coupled Piston Motion Combustion and Flame Vol. 135 No. 3, pp. 227-248, 2003
• Aichlmayr, H. T., D. B. Kittelson, and M. R. Zachariah, Miniature Free-Piston Homogeneous Charge Compression Ignition Engine-Compressor Concept-Part I: Performance Estimation and Design Considerations Unique to Small Dimensions, Chemical Engineering Science Vol. 57 No. 19, pp. 4161-4171, 2002
• Aichlmayr, H. T., D. B. Kittelson, and M. R. Zachariah, Miniature Free-Piston Homogeneous Charge Compression Ignition Engine-Compressor Concept-Part II: Modeling HCCI Combustion in Small-Scales with Detailed Homogeneous Gas Phase Chemical Kinetics, Chemical Engineering Science Vol. 57 No. 19, pp. 4173-4186, 2002

Academic Works:

• Aichlmayr, H. T., Design Considerations, Modeling, and Analysis of Micro-Homogeneous Charge Compression Ignition Combustion Free-Piston Engines, PhD Thesis, The University of Minnesota, December 2002.
• Aichlmayr, H. T., The Effective Thermal Conductivity of Saturated Porous Media, MS Thesis, The University of Minnesota, September 1999.

Conference Papers:

• Aichlmayr, H. T., Kulacki, F. A. On the Effective Thermal Conductivity of Saturated Porous Media ASME National Heat Transfer Conference San Francisco CA, July 17-22 2005.
• Aichlmayr, H. T., Van Blarigan, P. Thermodynamic Fuel Cell Linear Alternator Testing Program 15th Annual U.S. Hydrogen Conference and Hydrogen Expo Hollywood, CA, March 16-19 2004.
• Aichlmayr, H. T., Kittelson, D. B. and Zachariah, M. R., How Small Can a Micro-HCCI Free-Piston Engine Be? Insights Gained from Experiments and Detailed Chemical Kinetic Modeling The Third Joint Meeting of the U.S. Sections of the Combustion Institute Chicago Il, 17 March 2003.
• Aichlmayr, H. T. Kittelson, D. B. and Zachariah, M. R., Micro-Homogeneous Charge Compression Ignition (HCCI) Combustion: Investigations Employing Detailed Chemical Kinetic Modeling and Experiments Western States Section of the Combustion Institute, Spring Technical Meeting, La Jolla, CA, 26 March 2002.
• Aichlmayr, H. T. and F. A. Kulacki, A Review of Models for the Stagnant Effective Thermal Conductivity of a Saturated Porous Medium, Proceedings of the International Conference on Energy Conversion and Application, June 17-20, Wuhan, China 2001
• Aichlmayr, H. T., M. J. Kohl, and F. A. Kulacki, Technology-Based Education in Thermo-Fluids and Heat Transfer Engineering: A Status Report for 2000, Proceedings of the ASEE North Midwest Section Annual Conference, September 28-30, Minneapolis, Minnesota 2000
• Aichlmayr, H. T., F. A. Kulacki, T. W. Simon, and P. J. Strykowski, Technology-Based Education in Thermo-Fluids and Heat Transfer Engineering: A Status Report for 1998, Proceedings of the 5th ASME/JSME Joint Thermal Engineering Conference San Diego, California 1999
• Aichlmayr, H. T. and F. A. Kulacki, Toward a Universal Structure for the Implementation of Technology in Engineering Education Proceedings of the Conference on Enhancement of Curricular Content and Structure with Technology Ninth TBEEC Conference Nashville, TN 1997
• Sanchez, Jesus, F. A. Kulacki, and H. T. Aichlmayr, Development of a Student-Centered Tool Kit for Engineering Thermodynamics Proceedings of the Conference on Enhancement of Curricular Content and Structure with Technology Ninth TBEEC Conference Nashville, TN 1997

Technical Presentations:

• Aichlmayr, H. T. Kittelson, D. B. and Zachariah, M. R., Reaction Engineering Principles and Detailed Chemical Kinetic Modeling Applied to Micro-Engine Design, Presented at the 2002 AIChE National Meeting, Indianapolis, IN, 5 November 2002.
• Aichlmayr, H. T. Kittelson, D. B. and Zachariah, M. R., The MEMS Free-Piston Knock Engine Project: Micro-Engine Work at the University of Minnesota Presented at Sandia National Laboratory, Livermore, CA, 10 July 2002.
• Aichlmayr, H. T. Kittelson, D. B. and Zachariah, M. R., Micro-Homogeneous Charge Compression Ignition (HCCI) Combustion: Investigations Employing Detailed Chemical Kinetic Modeling and Experiments Presented at the Eastern States Section of the Combustion Institute Fall Technical Meeting, Hilton Head Island S.C., 5 December 2001.

Manuscripts in Preparation and Press:

• Aichlmayr, H. T. A Review of Free-Piston Engine History, Fundamentals, and Applications To be submitted to ASME Journal for Engineering of Gas Turbines and Power in 2004

Professional Memberships and Affiliations:

• Member, American Society of Mechanical Mechanical Engineers (ASME)
• Member, Sigma Xi
• Member, American Chemical Society (ACS)