David S. Ensor

Expertise

Filtration
Indoor Air Quality
Cleanroom Technology

Biography

David Ensor, PhD, appointed as an RTI Senior Fellow in March 2002, has more than 30 years of experience in aerosol science and air pollution research and is director of the Center for Aerosol Technology and recognized as a leading expert in filtration, indoor air quality, and cleanroom technology. He founded the American Association for Aerosol Research and the research journal Aerosol Science and Technology. Dr. Ensor consistently contributes to scientific literature and has written 70 peer-reviewed papers and 5 book chapters. He has given more than 160 presentations to major national and international conferences, and holds four U.S. patents.

Education

PhD, Engineering, University of Washington; MS, Chemical Engineering, University of Washington; BS, Chemical Engineering, Washington State University.

Selected Publications

Lawless, P.A., Rodes, C.E., & Ensor, D.S. (2004). Multiwavelength absorbance of filter deposits for determination of environmental tobacco smoke and black carbon. Atmospheric Environment, 38 (21):3373-3383.

Jamriska, M., Morawska, L., & Ensor, D.S. (2003). Control strategies for sub-micrometer particles indoors: model study of air filtration and ventilation. Indoor Air, 13 (2):96-105.

Ensor, D.S., Foarde, K.K., Hanley, J.T., & VanOsdell, D.W. (2003). The effect of filtration in heating, ventilation, and air-conditioning systems. In L. Morawska, & T. Salthammer (Ed.), Airborne Particles and Settled Dust in the Indoor Environment. Weinheim, Germany: Wiley-VCH.

Thornburg, J., Ensor, D.S., Rodes, C.E., Lawless, P.A., Sparks, L.E., & Mosley, R.B. (2001). Penetration of particles into buildings and associated physical factors. Part I: Model development and computer simulations. Aerosol Science and Technology, 34 (3):284-296.

Ensor, D.S., Elion, J.M., & Eudy, J. (2001). The size distribution of particles released by garments during Helmke Drum tests. Journal of the IEST, 44 (4):24-27.

Adams, N.H., Sparks, L.E., & Ensor, D.S. (2000). Quality checks in aerosol measurements. Aerosol Science and Technology, 32 (1):26-33.

Foarde, K.K., Hanley, J.T., Ensor, D.S., & Roessler, P. (1999). Development of a method for measuring single-pass bioaerosol removal efficiencies of a room air cleaner. Aerosol Science and Technology, 30 (2):223-234.

Lin, X.J., Reponen, T.A., Willeke, K., Grinshpun, S.A., Foarde, K.K., & Ensor, D.S. (1999). Long-term sampling of airborne bacteria and fungi into a non- evaporating liquid. Atmospheric Environment, 33 (26):4291-4298.

Foarde, K.K., Myers, E.A., Hanley, J.T., Ensor, D.S., & Roessler, P.F. (1999). Methodology to perform clean air delivery rate type determinations with microbiological aerosols. Aerosol Science and Technology, 30 (2):235-245.

Ensor, D.S., & Hanley, J.T. (Winter 1997). Recent advances in particulate air filter testing: Quality assurance framework. Air Media.

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