NCSU CE
Department of Civil, Construction, and Environmental Engineering
North Carolina State University


H. Christopher Frey
Professor of Civil Engineering
Water Resources/Environmental Engineering

Office: 311 Mann Hall
Phone: (919) 515-1155
Fax: (919) 515-7908
E-mail: frey@eos.ncsu.edu
Personal Page: http://www4.ncsu.edu/~frey/


Research Interests

Air pollution prevention and control; modeling of the performance, emissions, and cost of process technologies; exposure assessment; and quantitative analysis of variability and uncertainty in energy and environmental systems.

Education

PhD, Engineering and Public Policy, Carnegie Mellon University, 1991

MS, Mechanical Engineering, Carnegie Mellon University, 1987

BS, Mechanical Engineering, University of Virginia, 1985

Representative Publications

Frey, H.C., and E.S. Rubin, "Evaluation of Advanced Coal Gasification Combined-Cycle Systems Under Uncertainty," Industrial and Engineering Chemistry Research, 31(5):1299-1307, May 1992.

Frey, H.C., and D.S. Rhodes, "Characterizing, Simulating, and Analyzing Variability and Uncertainty: An Illustration of Methods Using an Air Toxics Emissions Example," Human and Ecological Risk Assessment: an International Journal, 2(4):762-797, December 1996.

Cullen, A.C., and H.C. Frey. The Use of Probabilistic Techniques in Exposure Assessment: A Handbook for Dealing with Variability and Uncertainty in Models and Inputs. Plenum: New York, 1999. 335 pages.

Frey, H.C., and D.E. Burmaster, "Methods for Characterizing Variability and Uncertainty: Comparison of Bootstrap Simulation and Likelihood-Based Approaches," Risk Analysis, 19(1):109-130, February 1999.

Hanna, S.R., Z. Lu, H.C. Frey, N. Wheeler, J. Vukovich, S. Arunachalam, M. Fernau, and D.A. Hansen, "Uncertainties in Predicted Ozone Concentrations due to Input Uncertainties for the UAM-V Photochemical Grid Model Applied to the July 1995 OTAG Domain," Atmospheric Environment, 35(5):891-903, 2001.

Frey, H.C., and S. Bammi, "Quantification of Variability and Uncertainty in Lawn and Garden Equipment NOx and Total Hydrocarbon Emission Factors," Journal of the Air & Waste Management Association, 52(4):435-448, April 2002.

Frey, H.C., and S.R. Patil, "Identification and Review of Sensitivity Analysis Methods," Risk Analysis, 22(3):553-578, June 2002.

Frey, H.C., and J. Zheng, "Quantification of Variability and Uncertainty in Utility NOx Emission Inventories," Journal of the Air & Waste Management Association, 52(9):1083-1095, September 2002.

Frey, H.C., and J. Zheng, "Probabilistic Analysis of Driving Cycle-Based Highway Vehicle Emission Factors," Environmental Science and Technology, 36(23):5184-5191, December 2002.

Frey, H.C., A. Unal, N.M. Rouphail, and J.D. Colyar, "On-Road Measurement of Vehicle Tailpipe Emissions Using a Portable Instrument," Journal of the Air & Waste Management Association, 53(8):992-1002, August 2003.

Professional Memberships

Society for Risk Analysis

Air and Waste Management Association

American Society of Civil Engineers

Honorary Societies: Tau Beta Pi, Sigma Xi, Pi Tau Sigma, and Omicron Delta Kappa


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