223 Agricultural Engineering
814-865-4582
FAX:814-863-1031
pnw@psu.edu
Degrees
B.S. Agricultural Engineering, University of Arkansas, 1970
M.S. Agricultural Engineering, University of Hawaii, 1971
Ph.D. Engineering,
University of Massachusetts, 1974
Areas of Interest
Systems Engineering; Biological Materials
Production and Processing.
Teaching
ASM
221 Intro to Ag Systems Management
B
E 465 Food and Biological
Process Engineering
Publications
Sapers, G.M., P.N. Walker, J.E. Sites, B.A. Annous, and D.R. Eblen. 2003. Vapor-phase
decontamination of apples containing Escherichia coli. J. of Food Sci. (68)3:
1003-1007.
Fishman, M.L., P.N. Walker, H.K. Chau and A.T. Hotchkiss. 2003. Flash extraction
of pectin from orange albedo by steam injection. Biomacromolecules 4:880-889.
Anderson, N.M. and P.N. Walker. 2003. Blending ground beef to control fat content
using on-line visible/near-infrared spectroscopy. Transactions of the ASAE
46(4):1135-1141(1142).
Anderson, N.M. and P.N. Walker. 2003. Measuring Fat Content of Ground Beef
Stream Using On-Line Visible/NIR Spectroscopy. Transactions of the ASAE 46(1):117-124.
Erturk, H. and P.N. Walker. 2003. Effect of atrazine on algal contamination
and sugarcane shoots during photoautotrophic micropropagation. Transactions
of the ASAE 46(1):189-192.
Cuello, J.L., P.N. Walker and W.R. Curtis. 2003. Design of ebb-and-flow bioreactor
(EFBR) for immobilized “hairy root” cultures Part II: Growth
studies and model verifications. Transactions of the ASAE 46(5):1469-1476.
Cuello, J.L., P.N. Walker and W.R. Curtis. 2003. Design of ebb-and-flow bioreactor
(EFBR) for immobilized “hairy root” cultures Part I: Prototype,
preliminary design models and culture parameters. Transactions of the ASAE
46(5):1457-1468.
