Experience
2024-present, Consultant
2006-2024, Professor, Dept of Mechanical and Aerospace Engineering, University of Colorado at Colorado Springs
2002-2006, Associate Professor, UCCS
1995-2002, Associate Professor of Mechanical Engineering, Mississippi State University
1991-1995, Assistant Professor of Mechanical Engineering, Mississippi State University
Summer 1992, Argonne National Laboratory , DOE Faculty Participation Program
Professional Engineer: Registered P.E. in Colorado
Education
Ph.D., Mechanical Engineering, Brigham Young University , 1991
M.S., Mechanical Engineering, BYU, 1988
B.S., Mechanical Engineering, BYU, 1987, Minor in Mathematics
Areas of Interest
Heat Transfer, Thermodynamics
Selected Recent Publications
J.W. Mason, J.W. Stevens, 2014, "Characterization Of A Solar-Powered Fluidyne Test Bed," Sustainable Energy Technologies and Assessments, Vol 8, pp. 1-8.
J.W. Stevens, R. Kerns, J. Mason, 2014, “Operational Characteristics of Liquid-piston Heat Engines,” Proceedings of the 1st Int. e-Conf. on Energies, 14-31 March 2014; Sciforum Electronic Conference Series, Vol. 1, 2013 , d002; doi:10.3390/ece-1-d002
J.W. Stevens, 2013, "Performance Factors for Ground-air Thermoelectric Power Generators," Energy Conversion and Management, Vol 68, pp. 114-123.
J.W. Stevens, 2013, “A Project-structured Approach to a Graduate-level Advanced Thermodynamics Class,” Proceedings of the American Society for Engineering Education Rocky Mountain Section Conference, March 29-30, 2013, Pueblo, Colorado, USA, paper 07-13.
J.W. Mason and J.W. Stevens, 2011, "Design and Construction of a Solar powered Fluidyne Test Bed," Proceedings of the ASME 2011 Mechanical Engineering Conference and Exposition IMECE2011, November 11 17, 2011, Denver, Colorado, USA, paper IMECE2011-62194
J.W. Stevens, 2010, "Low Capital Cost Renewable Energy Conversion With Liquid Piston Stirling Engines," Proceedings of ASME 2010 4th International Conference on Energy Sustainability ES2010, Phoenix, Arizona, USA, May 17 22, 2010, paper ES2010 90129.
M. R. Maixner, J.W. Stevens, 2009, "Assessment of Near Surface Ground Temperature Profiles for Optimal Placement of a Thermoelectric Device," Energy Conversion and Management, Vol 50, pp. 2361-2365.
D. K. Schmidt, J. Stevens, J. Roney, 2007, "Near-Space Station-Keeping Performance Of A Large High-Altitude Notional Airship," J. of Aircraft, Vol 44, n.2, pp. 611-615.
M. Roberts, J.W. Stevens and R. Luck, 2007, "Evaluation of Parameter Effects in Estimating Non-linear Uncertainty Propagation," J. of the Int. Measurement Confederation, Vol 40, n. 1, pp.15-20.
R. Luck and J.W. Stevens, 2004, "A Simple Numerical Procedure for Estimating Non-linear Uncertainty Propagation," ISA Transactions, Vol. 43, No. 4, pp. 491-497.
J.W. Stevens, 2003, "Optimal Placement Depth for Air-Ground Heat Transfer Systems," Applied Thermal Engineering, Vol. 24, pp. 149-157.
R. Luck and J.W. Stevens, 2002, "Explicit Solutions for Transcendental Equations," SIAM Review, Vol. 44, No. 2, pp. 227-233.
J.W. Stevens, 2002, "Coupled Conduction and Intermittent Convective Heat Transfer From a Buried Pipe," Heat Transfer Engineering, Vol 23, n. 4, pp. 34-43.
J.W. Stevens, 2001, "Effect of 1997 ASHRAE Handbook of Fundamentals Summer Design Temperature Specifications on Enthalpy and Humidity Ratio," ASHRAE Transactions , Vol 107, Pt. 1.
J.W. Stevens, 2001, "Optimal Design of Small DT Thermoelectric Generation Systems," Energy Conversion and Management, Vol. 42, pp. 709-720.