Publications and Presentations
Contents
JOURNAL ARTICLES
*Indicates the work/contribution by the incumbent since being promoted to Associate Professor in 1991.
+, # Indicates undergraduate student in Bioresources Engineering Dept. and Operations Research Program graduate student, respectively
Krishnan, P., L. V. Tawre, and A. C. Datta. 1977. Design and Testing of Power-Operated Flax Scutching Machine. Indian Journal of Agricultural Engineering 14 (2):1-5.
Hoag, L., and P. Krishnan. 1980. Simulation of Hook’s Joint on the Analog Computer. Transactions of Computers in Education Division of the American Society of Engineering Education 12 (1):1-12.
Krishnan, P. J. D. Alexander, B. J. Butler, and J. W. Hummel. 1980. Reflectance Technique for Predicting Soil Organic Matter. Transactions of the Soil Science Society of America 44 (6):1282- 1285.
Krishnan, P., B. J. Butler, and J. W. Hummel. 1981. Close Range Sensing of Soil Organic Matter. TRANSACTIONS of the ASAE 24 (2):306-311.[Download PDF from ASABE]
Krishnan, P. N. R. Brandenburg, D. M. Bilsland, and A. G. Berlage. 1983. Magnetic Fluid-aided Separation of Contaminants from Crop Seeds. TRANSACTIONS of the ASAE 26 (2):610-612 & 616.[Downlod PDF from ASABE]
Krishnan, , and M. Ray Smith. 1983. Evaluation of Auger Plow for Digging Wetland Taro. TRANSACTIONS of the ASAE 26 (6):1608-1609 & 1613.[Download PDF from ASABE]
Krishnan, , and A. G. Berlage. 1984. Separation of Shells and Walnut Meats Using Magnetic Methods. TRANSACTIONS of the ASAE 27 (6):1990-92.[Download PDF from ASABE]
Krishnan, , and A. G. Berlage. 1984. Magnetic Fluid Conditioning of Onion (Allium cepa) Seed Lots to Increase Germination. Journal of Applied Seed Production 2 (1):50-53.
Krishnan, , and A. G. Berlage. 1985. Separation of Flower Parts From Onion Seeds Using Magnetic Methods. TRANSACTIONS of the ASAE 28 (1):242-245.[Download PDF from ASABE]
Krishnan, , and A. G. Berlage. 1985. Electrostatic Separation of Flower Parts From Onion Seeds. TRANSACTIONS of the ASAE 28(5):1676-1679.[Download PDF from ASABE ]
Krishnan, , and A. G. Berlage. 1986. Magnetic Conditioning of Seedlots of Leek (Allium porrum L.) to Increase Germination. Journal of Seed Technology 10(1):74-80.
Krishnan, , N. E. Collins and S. K. Upadhyaya. 1987. Use of Lawn Mowers to Teach Principles of Farm Machinery. International J. Appl. Engng. Ed. 3(5):505-508.
Gunasekaran, , A. G. Berlage, T. M. Cooper, and P. Krishnan. 1987. Image Processing of Stress Cracks in Corn Kernels. TRANSACTIONS of the ASAE 30(1):266-271.[Download PDF from ASABE]
Turnbull+, A., P. Krishnan, M. R. Teel and N. E. Collins. 1988. Educational Yield Estimation Subroutines (EYES): Corn Yield Prediction. International J. Appl. Engng. Ed. 4(2):123-127.
Krishnan, , T. H. Williams and L. J. Kemble. 1988. Spray Pattern Displacement Measurement Technique for Agricultural Nozzle Using Spray Table. TRANSACTIONS of the ASAE 31(2):386- 389.[Download PDF from ASABE]
Krishnan, , T. H. Williams and L. J. Kemble. 1988. Spray Pattern Displacement Measurements of XR8004 and 8004 Fan Nozzles Under Dynamic Conditions Using Spray Table. TRANSACTIONS of the ASAE 31(6):1660-1663.[Download PDF from ASABE]
Krishnan, , A. Velasco+, T. H. Williams, and L. J. Kemble. 1989. Spray Pattern Displacement Measurements of TK-SS2.5 Flood Tip Nozzles. TRANSACTIONS of the ASAE 32(4):1173-1176.[Download PDF from ASABE]
Krishnan, 1989. Spray Displacements of Two Agricultural Nozzles Using Spray Patternator. 9th Symposium on Pesticide Formulations and Applications Systems “International Aspects.” ASTM STP1036 James Hazen and David A. Hovde, editors, American Society for Testing and Materials, Philadelphia 9:254-261.
Krishnan, , and T. R. Bolin+. 1989. Computer Aided Design of V-Belt Drives With Two Sheaves. International J. Appl. Engng. Ed. 5(4):515-526.
Krishnan, J. Herrera+, L. J. Kemble, and S. Gottfried. 1990. Effect of Sprayer Bounce and Wind Conditions on Spray Pattern Displacement of Two Agricultural Nozzles. Pesticide Formulations and Application Systems: 10th Volume, ASTM STP 1078, L. E. Bode, J. L. Hazen, and D. G. Chasin, Eds., American Society for Testing and Materials, Philadelphia 10:226-235.
Since being promoted in 1991:
*21.Krishnan, P., I. Gal, L. J. Kemble, and S. Gottfried. 1992. Effect of Sprayer Bounce and Wind Condition on Spray Pattern Displacement of TJ-608004 Fan Nozzles. TRANSACTIONS of the ASAE, 36(4):261-264.[Download PDF from ASABE]
*22.Krishnan, P., D. Seemans+, S. Gottfried, and L. J. Kemble. 1993. Development of Process Control Charts (X and R) for Evaluating Performance of 8004 Fan Nozzles. Pesticide Formulations and Application Systems: 13th Volume, ASTM STP 1183, Paul D. Berger, Bala N. Devisetty, and Franklin R. Hall, eds., American Society for Testing and Materials, Philadelphia, PA. 13:280-290.
*23.Krishnan, P., T. A. Evans, and W. G. Pill. 1994. Threshing Cylinder Speed Affects Germination of Amaranthus cruentus L. Seeds. Hort Science. Vol. 29 (6):652-654. [ Download PDF from Hort Science ]
*24.Pill, W. G., T. A. Evans and P. Krishnan. 1994. Priming Invigorates Combine – Harvested Amaranthus cruentus L-Seeds. Hort Science. Vol. 29 (6):655-658.
Since becoming the director of the Operations Research Program in 1996:
*25. Kemble, L.J., P. Krishnan, K.J.Henning+, and D. T. Tilmon.2001- 2002. Development and Evaluation of Kenaf Harvesting Technology. Biosystems Engineering, 81(1): 49-56 [ Download PDF from Biosystems Engineeirng ]
*26. Krishnaswamy#, M., and P. Krishnan. 2002. Nozzle Wear Rate Prediction using Regression and Neural Network. Biosystems Engineering, 82(1): 53-64.[Download PDF from Biosystems Engineering]
*27. Krishnan, P., T. Evans, K. Ballal#, and L.J.Kemble. 2004. Scanning Electron Microscopic studies of New and Worn Fan Nozzles for Agricultural Sprayers. Applied Engineering in Agriculture. 20(2): 133-137.[Download PDF from Applied Engineering in Agriculture]
*28. Faqiri+, N., and P.Krishnan. 2005. Effect of Nozzle Pressure and Wind Condition on Spray pattern Displacement of RF5 and 110-5R Nozzles. Applied Engineering in Agriculture. 21(5):747- 750. [ Download PDF from Applied Engineering in Agriculture ]
*29. Krishnan, P., L.J.Kemble, and I.Gal.2005. Dynamic Spray pattern Displacement of Extended Range Nozzles. Applied Engineering in Agriculture. 21(5):751:753. [ Download PDF from Applied Engineering in Agriculture ]
*30 Bane, V., and P.Krishnan. 2006. Econometric Study of Home Loan Approvals using Statistical Methods. AIMS – International Journal of Quantitative Management. 12(3): 231-256.[download PDF ]
*31 Chitra,S, and P.Krishnan. 2007. Evolving Operational Decision Models in the Pharmaceutical Industry. AIMS – International Journal of Quantitative Management. 13(1):1-15.[Download PDF ]
32.L.D. Baskar, N.Lobo, P.Ananth, and P.Krishnan.2016. Big Data Analytics: Cloud Supported Machine Learning Services. In: Anaytics Magazine May/June 2016, INFORMS , http://analytics-magazine.org/big-data-analytics-cloud-supported-machine-learning-services-2/
*33 Bajpai,M and P. Krishnan. 2020. Energy Forecasting for Cost Benefit Analysis of Implementing Zero emission Vehicles in USA..International Journal of Management and Applied Sciences, ISSN:2394-7926. 4(2):23-27. February. [Download PDF]
UNDER REVIEW (till 2015):
*Krishnan, P., and A. Rombach. 2015. Corporate Applied Economics and Statistics Program – a Formal Internship Program at University of Delaware. INFORMS Transactions on Education, Manuscript ID:ITE-2015-02-0008.
*Jain, P, A. Rombach, and P.Krishnan. 2015.Foreclosures in Delaware: A Cross-sectional Analysis. Submitted to International Journal of Operations and Quantitative Management- IJOQM. ( previously submitted to Austin Statistics ( August 2014) and withdrawn for more analysis based on reviewers’ comments)
*Dawson, M and P. Krishnan. 2015. Determination of a Replacement Cycle for Nozzles in Agricultural Applications. (Submitted to Applied Engineering in Agriculture and Rejected as it was more applied economics and statistics related. Plan to resubmit to another journal that will look kindly at Statistics related to engineering applications).
*Kasturi,P. P.Krishnan,, S. Dharmapuri, and Q Li. 2014-2015. Flood Disaster Management in Uttarakhand and the Himalayan Region, (submitted to the Journal of Natural Resources Policy Research – Manuscript ID RJNR-2014-0034)
BOOK CHAPTERS
Since being promoted in 1991:
* 1.Krishnan, P. 1993. Pesticides. In: MAGILL’S SURVEY OF SCIENCE: APPLIED SCIENCE, Salem Press, Pasadena, CA. 91101.
* 2.Krishnan, P. 1993. Internal Combustion Engines. In: MAGILL’S SURVEY OF SCIENCE: APPLIED SCIENCE, Salem Press, Pasadena, CA. 91101.
* 3.Krishnan, P. 1994. T. G. N. Haldane Builds the First Heat Pump. In: THE TWENTIETH CENTURY: GREAT SCIENTIFIC ACHIEVEMENTS, Salem Press, Pasadena, CA. 91101.
* 4.Krishnan, P. 1995. Radon is Recognized as an Indoor Air Hazard. In: Great Events from History II: Ecology and the Environment, Salem Press, Pasadena, CA 91101
* 5.Krishnan, P., 1995. Scientists Develop Biopesticides. In: Great Events From History II: Ecology and the Environment, Salem Press, Pasadena, CA 91101.
*6.Krishnan, P. 1995. The EPA Publicizes the Dangers of Second Hand Smoke. In: Great Events From History II: Ecology and the Environment, Salem Press, Pasadena, CA 91101.
*7.Krishnan,P.2001. Fertilizer Applicators and Equipment for Protection from Diseases and Pests. In: Encyclopedia of Life Support Systems (EOLSS)-UNESCO FOOD AND AGRICULTURE THEME 5.11 MECHANIZATION AND AUTOMATION,EOLSS Publishers Co.Ltd., Baldwin House, 6 St. Aldates Courtyard, 38, St. Aldates, Oxford 0X1 1BN, UK. (Invited) (Refereed)
*8 Krishnan, P. 2007. Environmental Impact of Food Production and Consumption. In: Encyclopedia of Life Support Systems (EOLSS)-UNESCO – SYSTEMS ANALYSIS AND MODELING IN
FOOD AND AGRICULTURE. Edited by: K.C. Ting, Department of Agricultural and Biological Engineering, University of Illinois at Urbana-Champaign, USA; David H. Fleisher, United States Department of Agriculture, Agricultural Research Service, Alternative Crops and Systems Laboratory, USA; Luis F. Rodriguez, University Space Research Association, USA..Publishers Co.Ltd., Baldwin House, 6 St. Aldates Courtyard, 38, St. Aldates, Oxford 0X1 1BN, UK. (Invited) (Refereed)
PATENT
Patent #4765486 issued on August 23, 1988: “Method for obtaining a purified fraction from a mixture using magnetic fluid.” Co-inventors – A. G. Berlage, D. M. Bilsland and N. R. Brandenburg. One claim.
CONFERENCE PROCEEDINGS:
*Indicates the work/contribution by the incumbent since being promoted to Associate Professor in 1991.
+ , # Indicates undergraduate student in Bioresources Engineering Dept. and Operations Research Program graduate student, respectively
1.Krishnan, P., A. G. Berlage, and N. R. Brandenburg. 1983-84. Belt Threshing of Guayule. El Guayulero. A publication of the Guayule Rubber Society, Inc., Winter 5 (4):9-13.
2.Krishnan, P., R. Turnbull , M. R. Teel, and N. E. Collins. 1986. EYES-EDUCATIONAL YIELD ESTIMATION SUBROUTINES. In: 1986 Annual Conference Proceedings of the American Society of Engineering Education, 1:39-43.
3.Gunasekaran, S., P. Krishnan, and T. H. Williams. 1988. Nozzle Selection for Boom Sprayers Using Personal Computers. In: Proceedings of the Second International Conference on Computers in Extension Programs, Orlando, FL.
4.Krishnan, P., S. Gunasekaran, and T. H. Williams. 1988. Annual Cost Estimation for Agricultural Machinery Using Personal Computers. In: Proceedings of the Second International Conference on Computers in Extension Programs, Orlando, FL.
5.Krishnan, P., and A. G. Berlage. 1988. Magnetic Fluid Conditioning of Seeds of Onion (Allium cepa L.) to Increase Seed Lot Germination Percentage. In: Proceedings of the International Conference on Stand Establishment, Lancaster, PA.
6.Krishnan, P., and A. G. Berlage. 1988. IDS Method for Separating Filled-Dead Seeds from a Sample of Dead and Live Seeds. In: Proceedings of the International Conference on Stand Establishment. Lancaster, PA.
Since being promoted in 1991:
*7.Dewan, P#., P. Krishnan, A. Issler, A. Hari, and L.J. Kemble. 1994. Weibull Analysis for Wear Rate Data of 8004 Fan Nozzles for Spray Applications. In: Proceedings of the 10th International Conference of the Israel Society for Quality; Editors Isaac Sheps, Henry Horwitz, Aryeh Lewis, pp 276-283.
*8.Ballal, K #., P. Krishnan, J. Kemble, A. Issler. 1996. Nozzle Selection and Replacement Based on Nozzle Wear Analysis. In: Proceedings of the 3rd International Conference on Precision Agriculture. Editors P.C. Robert, R.H. Rust, and W.E. Larson. Published by ASA, CSSA, and SSSA, pp 795-804.
*9.Krishnan, P, N. Tiwary#, and A. Hari.2000. Improvement of Chemical Spray Application Using Statistical Process Control. In: Productivity & Quality Management Frontiers – 1X, Editors Ezey Dar- El, Amos Notea, and Amihud Hari, Published by MCB University Press 60/62 Toller Lane, Bradford, West Yorkshire, England BD8 9BY, pp 364- 374.
*10.Elbeyli#,S and P.Krishnan.2001. In-Patient Flow Analysis Using ProModel TM Simulation Package. In: Simulation in the Health and Medical Sciences 2001, Edited by Dr. James G. Anderson and Dr. Meyer Katzper, Published by The Society for Computer Simulation International, P.O.Box 17900, San Diego, CA 92177 USA, ISBN: 1-56555-222-9, pp 3-6.
*11. Ramasamy#, N., P.Krishnan, J.C. Bernard and W.F. Ritter.2003. Modeling Nitrate Concentration in Ground Water using Regression and Neural Networks. In: Northeast Decision Sciences Institute, 32nd Annual Meeting Proceedings, Edited by Fariborz Partovi, Drexel University, pp 370-375. (peer reviewed).
*12. Sudhakar#, P., P.Krishnan, J.C. Bernard and W.F. Ritter.2003. Modeling Nitrogen Loading Rate to Delaware lakes and Streams using Regression Analysis and Neural Networks. In: Northeast Decision Sciences Institute, 32nd Annual Meeting Proceedings, Edited by Fariborz Partovi, Drexel University, pp 376-380. (Peer reviewed)
*13. Chand #, M, P.Krishnan, J.C. Bernard and W.F. Ritter.2004. Modeling Stream flow Rate using Regression Analysis. In: Northeast Decision Sciences Institute, 33rd Annual Meeting Proceedings, Edited by Fariborz Partovi, Drexel University, pp 332-338. (Peer reviewed)
*14. Parthasarathy #, M. N.Rapur #, and P.Krishnan. 2005. Criteria that Influence the Quality of Higher Education – A Student’s Perspective. ITHET 6th Annual International Conference Proceedings of IEEE.pp F3C-7 to F3C-13.
*15. Patel, K, R. Annamalai, P. Krishnan, and W. F. Ritter. 2007. Estimating Reference Evapotranspiration Using Artificial Neural Networks. In: Northeast Decision Sciences Institute, 36th Annual Meeting Proceedings, Edited by Douglas White, Roger Williams University, pp 234-241. (Peer reviewed)
*16 Bajpai,M and P. Krishnan. 2019. Energy Forecasting for Cost Benefit Analysis of Implementing Zero emission Vehicles in USA. Proceedings of the ITR International Conference on Internet of Things, Big Data Analytics and Information Technology (ICITBDIT -2019), 3 Nov. 2019, Hyderabad, India. Pg 5-9.
REPORTS:
1.Berlage, A. G., P. Krishnan, T. M. Cooper and D. M. Bilsland. 1984. Seed Conditioning Research. In 1984 Seed Production Research at Oregon State University, USDA-ARS Cooperating, Edited by Harold H. Youngberg. Dept. of Crop Science EXT/CRS 54, 11/84, pp 4-5.
2.Berlage, A. G., P. Krishnan, T. M. Cooper and D. M. Bilsland. 1984. Harvesting and Processing Seed Crops. AES Project 182. In 1983-84 Annual Report of Research, Department of Agricultural Engineering, Agricultural Experiment Station, Oregon State University, USDA-ARS and Georgia Pacific Cooperating, pp 29-31.
SOFTWARE DEVELOPMENT:
1.Krishnan, P., R. A. Turnbull+, M. R. Teel, and N. E. Collins. 1987. Educational Yield Estimation Subroutines Software package IJAEE-012-S87. Int. J. Appl. Engng. Ed. 4(2):J-IV.
PAPERS PRESENTED AT PROFESSIONAL MEETINGS:
*Indicates the work/contribution by the incumbent since being promoted to Associate Professor in 1991.
+ , # Indicates undergraduate student in Bioresources Engineering Dept. and Operations Research Program graduate student, respectively
1.Krishnan, P., B. J. Butler, and J. W. Hummel. 1979. Close Range Sensing of Soil Organic Matter. Paper No. 79-1505, presented at the 1979 Winter Meeting of the American Society of Agricultural Engineers, New Orleans, LA.
2.Krishnan, P., J. W. Hummel, and B. J. Butler. 1980. The Microcomputer and Its Use for Organic Matter Sensing. Paper No. 80-5023, presented at the 1980 Summer Meeting of the American Society of Agricultural Engineers, San Antonio, TX.
3.Krishnan, P., G. C. Shove, G. W. Burton, and M. D. Hall. 1980. Bin-In-Building Solar Grain Drying System. Paper No. 80-3544, presented at the 1980 Winter Meeting of the American Society of Agricultural Engineers, Chicago, IL.
4.Krishnan, P., and M. Ray Smith. 1981. Auger Plow for Digging Wetland Taro. Paper No. 81-1559, presented at the 1981 Winter Meeting of the American Society of Agricultural Engineers, Chicago, IL.
5.Krishnan, P., N. R. Brandenburg, and A. G. Berlage. 1982. Electrostatic Separation of Seed Mixtures. I. High-Voltage Exposure Effects on Seed Germination. Paper No. 82-3072, presented at the 1982 Summer Meeting of the American Society of Agricultural Engineers, Madison, WI.
6.Krishnan, P., N. R. Brandenburg, D. B. Bilsland, and A. G. Berlage. 1982. Magnetic Fluid-Aided Separation of Contaminants from Crop Seeds. Paper No. 82-3073, presented at the 1982 Summer Meeting of the American Society of Agricultural Engineers, Madison, WI.
7.Krishnan, P., A. G. Berlage, and N. R. Brandenburg. 1983. Belt Threshing of Guayule. Presented at the Fourth Annual Guayule Rubber Society Conference in Riverside, CA.
8.Krishnan, P., and A. G. Berlage. 1983. Separation of Shells From Walnut Meats Using Magnetic Methods. Paper No. 83-6538, presented at the 1983 Winter Meeting of the American Society of Agricultural Engineers, Chicago, IL.
9.Krishnan, P., and A. G. Berlage. 1984. Electrostatic Separation of Flower Parts From Onion Seeds. Paper No. 84-3568, presented at the 1984 Winter Meeting of the American Society of Agricultural Engineers, New Orleans, LA.
10.Krishnan, P. and S. Gunasekaran. 1986. Hiring International Graduates for Academic Employment. Paper No. 86-5008, presented at the 1986 Summer meeting of the American Society of Agricultural Engineers, San Luis Obispo, CA.
11.Gunasekaran, S., A. G. Berlage, T. M. Cooper, and P. Krishnan. 1986. Image Processing of Stress Cracks in Corn Kernels. Paper No. 86-3034, presented at the 1986 Summer Meeting of the American Society of Agricultural Engineers, San Luis Obispo, CA.
12.Berlage, A. G., D. M. Bilsland, and P. Krishnan. 1986. Conditioning Guayule Seeds. Paper No. 86-3063, presented at the 1986 Summer Meeting of the American Society of Agricultural Engineers, San Luis Obispo, CA.
13.Krishnan, P. 1987. MACSYMA for Agricultural Engineers. Paper No. 87-3011, presented at the 1987 Summer Meeting of the American Society of Agricultural Engineers, Baltimore, MD. June 28- July 1.
14.Krishnan, P., P. Kasturi, B. Beeson, A. G. Berlage, L. E. Weber and C. S. Kauffman. 1987. Effect of Harvesting Methods on Amaranth Seed Germination. Paper No. 87-6509, presented at the 1987 Winter Meeting of the American Society of Agricultural Engineers, Hyatt Regency Chicago in Illinois Center, Dec. 15-18.
15.Cronk, B. J.+, T. H. Williams, P. Krishnan and L. J. Kemble. 1987. Optimal Width Equations for Various Tillage Implements. Paper No. 87-1612, presented at the 1987 Winter Meeting of the American Society of Agricultural Engineers.
16.Gunasekaran, S., P. Krishnan, and T. H. Williams. 1988. Nozzle Selection for Boom Sprayers Using Personal Computers. Paper presented at the 2nd International Conference on Computers in Agricultural Extension Programs, Lake Buena Vista (Orlando), FL. February 10-11. Sponsored by the Florida Cooperative Extension Service and Institute of Food and Agricultural Sciences, University of Florida.
17.Krishnan, P., S. Gunasekaran and T. H. Williams. 1988. Nozzle Selection for Boom Sprayers Using Personal Computers. Paper presented at the 2nd International Conference on Computers in Agricultural Extension Programs, Lake Buena Vista (Orlando), FL. February 10-11.
18.Krishnan, P. and A. G. Berlage. 1988. IDS Method for Separating Filled-dead Seeds from a Sample of Dead and Live Seeds. Paper presented at the International Conference on Stand Establishment for Horticultural Crops, Willow Valley Family Resort, Lancaster, PA. April 27-29.
19.Krishnan, P. and A. G. Berlage. 1988. Magnetic Fluid Conditioning of Seeds of Onion to Increase Seed Lot Germination Percentage. Paper presented at the International Conference on Stand Establishment for Horticultural Crops, Willow Valley Family Resort, Lancaster, PA. April 27-29.
20.Krishnan, P., A. Velasco+, T. H. Williams, and L. J. Kemble. 1988. Laboratory Studies of TK- SS2.5 Flood Tip Nozzles Under Dynamic Conditions. Paper No. 88-1009, presented at the International Summer Meeting of the American Society of Agricultural Engineers.
21.Krishnan, P. 1988. Spray Pattern Displacement Measurement Technique for Agricultural Nozzles. Presented at the 9th Symposium on Pesticide Formulation and Application Systems of the American Society for Testing Materials, November 9-11. Atlanta, GA.
22.Krishnan, P., S. Gunasekaran, C. M. Gempesaw II, and N. E. Collins. 1988. Survey of Graduate Student Enrollment and Faculty Positions in Agricultural Engineering. Paper No. 88-5506, presented at the 1988 International Winter Meeting of the American Society of Agricultural Engineers, Hyatt Regency Chicago in Illinois Center, Dec. 13-16.
23.Krishnan, P., L. J. Kemble, T. H. Williams, and N. E. Collins. 1988. Draft Requirements of Disk Harrows. Paper No. 88-1504, presented at the 1988 International Winter Meeting of the American Society of Agricultural Engineers, Hyatt Regency Chicago in Illinois Center, Dec. 13-16.
24.Hari, A., and P. Krishnan. 1990. Application of Simulation Techniques in Complex R&D Project Management. Paper No. 907009, presented at the 1990 International Summer Meeting of the American Society of Agricultural Engineers, Columbus, OH, June 24-27.
25.Hari, A., and P. Krishnan. 1990. Predicting Time Durations Associated With Repair and Maintenance of Combines. Paper No. 907011, presented at the 1990 International Summer Meeting of the American Society of Agricultural Engineers, Columbus, OH, June 24-27.
Since being promoted in 1991:
*26.Krishnan, P., I. Gal, L. J. Kemble, and S. L. Gottfried. 1992. Effect of Sprayer Bounce and Wind Conditions on Spray Pattern Displacement of TJ-60 8004 Fan Nozzle. Paper No. 92-1082. Presented at the 1992 International Summer Meeting of the American Society of Agricultural Engineers, Charlotte, NC, June 21-24.
*27.Dewan, P.#, P. Krishnan, A. Issler, A. Hari, and L.J. Kemble. 1994. Weibull Analysis for Wear Rate Data of 8004 Fan Nozzle for Spray Applications. Presented at the 10th International conference of the Israel Society for Quality, November 14-17, 1994 Jerusalem, Israel.
*28.Nigam, S#, P. Krishnan and L. J. Kemble. 1998. Software Development to Predict Nozzle Wear Rates. Presented at the 1998 ASAE Annual International Meeting, Orlando, Florida, July 13-16.
*29.Jayanthi, P#, P. Krishnan and L. J. Kemble. 1998. Effect of Nozzle wear and Operating Parameters on Spray Pattern Distribution of 8004 Fan Nozzles. Presented at the 1998 ASAE Annual International Meeting, Orlando, Florida, July 13-16.
*30. Krishnan, P, K.Ballal#, T.Evans, and L.J.Kemble. 1999. Scanning Electron Microscope Studies of New and Worn Fan Nozzles. Presented at the 1999 ASAE/CSAE –SCGR Annual International Meeting, Toronto, Ontario, Canada. July 18-21.
*31.Krishnan,P., N.Tiwary#, A.Hari, and L.J.Kemble. 1999. Improvement of Chemical Spray Application Using Statistical Process Control. Presented at the 1999 ASAE/CSAE –SCGR Annual International Meeting, Toronto, Ontario, Canada. July 18-21.
*32.Chaimongkol, S#., P.Krishnan, and M. Krishnaswamy#,2000. Modeling Nozzle Wear Using Regression and Neural Network Methods. Presented at the 2000 ASAE Annual International Meeting , Milwaukee, Wisconsin, July 9-12.
*33. Faqiri+, N and P.Krishnan. 2001. Effect of Nozzle Pressure and Wind Condition on Spray Pattern Displacement of RF 5 and 110- 5R Nozzles. Presented at the 2001 ASAE International Meeting, Sacramento, CA July 30- August 1.
*34 Krishnan, P. and R. Aull-Hyde. 2002. Operations Research Program at University of Delaware – A Novel Approach. Presented at the INFORMS Annual Meeting , San Jose, CA Nov 17-20.
*35 Ramasamy #, N., P.Krishnan, J.C. Bernard and W.F. Ritter.2003. Modeling Nitrate Concentration in Ground Water in Selected Areas of Sussex County, Delaware. Presented at the INFORMS Annual Meeting , San Jose, CA Nov 17-20. Also presented at the 32nd Annual meeting of Northeast Decision Sciences Institute, Providence, Rhode Island, March 27-29, 2003. Also presented at the Emerging Technologies of Agricultural Engineering (etae 2004) conference at Indian Institute of Technology, Kharagpur, W.Bengal. India, Dec 14-17, 2004.
*36. Sudhakar #, P., P.Krishnan, J.C. Bernard and W.F. Ritter.2003. Modeling Nitrogen Loading Rate to Delaware lakes and Streams. Presented at the INFORMS Annual Meeting , San Jose, CA, Nov 17-20. Also presented at the 32nd Annual meeting of Northeast Decision Sciences Institute, Providence, Rhode Island, March 27-29, 2003.
*37 Chand #, M, P.Krishnan, J.C. Bernard and W.F. Ritter.2004. Modeling Stream flow Rate using Regression Analysis. Presented at the thirty-third annual meeting of Northeast Decision Sciences Institute, Tropicana Casino and Resort, Atlantic City, New Jersey, March 24-26, 2004
*38. Keerthi # ,S. P.Krishnan, J.C. Bernard and W.F. Ritter.2005. An Econometric Analysis of Stream Flow Data. Presented at the thirty- fourth annual meeting of Northeast Decision Sciences Institute, Philadelphia, PA, March 29- April 1, 2005. Also Presented at the Northeast Agricultural Biological Engineering Conference (NABEC 2005), Lewes, DE. August 7-10, 2005
*39. Parthasarathy #,M, N. Rapur #, and P.Krishnan.2005. Criteria That Influence The Quality of Higher Education – A Student’s Perspective. Presented at the ITHET 6th Annual International Conference, Juan Dolio, Dominican Republic, July 7-9.
*40..Manicka #, V, P.Krishnan, J.C. Bernard and W.F. Ritter.2005. Regression Analysis of Streamflow in Maryland and Delaware Regions. Presented at the Northeast Agricultural Biological Engineering Conference (NABEC 2005), Lewes, DE. August 7-10,2005
*41 Patel, K#, R. Annamalai#, P. Krishnan, and W. F. Ritter. 2007. Estimating Reference Evapotranspiration Using Artificial Neural Networks. Presented at the 36th annual meeting of Northeast Decision Sciences Institute, Baltimore MD, March 28-30.
*42 Krishnan,P. 2015.Hydro-electric Plants (HEPS) in the Himalayan Region- Planning, Designing, and Construction. Paper #15-061. Presented at the Northeast Agricultural & Biological Engineering Conference (NABEC 2015), Newark, DE, July 12-15.
*43 Krishnan, P. 2015. Patient Safety in Hospitals in the US over the decade: 2004:2014. Paper #15-076. Presented at the Northeast Agricultural & Biological Engineering Conference (NABEC 2015), Newark, DE, July 12-15.
*44 Krishnan,P and Guang Xiao. 2015. Bank Service Simulation Using ProModel. Presented at the 2015 INFORMS annual meeting in:Project Based Learning Cluster. Philadelphia, PA, Nov 1-4.
*45 Krishnan, P. 2016. Opportunities for Operations in Agriculture: The time is ripe now in 2016. Paper #16-???. Presented at the Northeast Agricultural & Biological Engineering Conference (NABEC 2016), University of Maine, Orono, Maine, July 31-August 3.
*46 Krishnan, P. 2017.Environmental Devastation Comparisons between Animal Agriculture and Transportation Systems. Paper 17-???. Presented at the Northeast Agricultural & Biological Engineering Conference (NABEC 2017), The Hilton Garden Inn, Groton, CT, July 30- August 3.
FACT SHEETS:
1. Krishnan, P., and T. H. Williams. 1985. Nozzle selection for boom sprayers. AE Fact Sheet No. 105 (6 pages). Cooperative Extension Service, University of Delaware, Newark, DE.
2. Krishnan, P., T. H. Williams, and L. J. Kemble. 1986. Sprayer calibration. AE Fact Sheet No. 107 (4 pages). Cooperative Extension Service, University of Delaware, Newark, DE.
WORKING PAPERS:
+ , # Indicates graduate student
* 1.Ramasamy, N, P.Krishnan, W.F. Ritter.2007. Modeling Nitrates in Ground Water using Regression Analysis.
INVITED AND ORAL PRESENTATIONS:
1. Krishnan, P. June 1980. Solar Energy in Agriculture. Tropical Center of Agriculture, Antony, France.
2. Krishnan, P.1980. Opto-electronic Sensing of Soil Organic Matter. Department of Agricultural Engineering, Oregon State University, Corvallis, OR.
3. Krishnan, P. 1982.Magnetic Fluid Seed Conditioning Research. Biennial meeting of the California Seed Industry Conference, Woodland, CA.
4. Krishnan, P. 1983. Seed Cleaning With Magnetic Fluid. Biennial meeting of the Oregon Seed Industry Conference, Eugene, OR.
5. Krishnan, P. 1984. IDS Method for Separating Dead Seeds From Live Seeds. Biennial meeting of the California Seed Industry Conference, Woodland, CA.
6. Krishnan, P. 1985. Separation of Flower Parts From Onion Seeds Using Electrostatic Methods. Biennial Meeting of the Oregon Seed Industry Conference, Eugene, OR.
7. Weber, L. E., C. S. Kauffman, and P. Krishnan. 1987. Grain Amaranth – A High Nutritive Crop with Special Needs for Development via Plant Breeding and Agricultural Mechanization (oral paper) presented at the 1987 Summer Meeting of the American Society of Agricultural Engineers, Baltimore, MD. June 28-July 1.
8.Krishnan, P. 1989. Spray Pattern Displacement Measurement of Agricultural Nozzles. 65th Annual Meeting of the NAR-ASAE, Cornell University, Ithaca, NY. July 23-26.
Since being promoted in 1991:
*9.Krishnan, P. 1991. Spray Droplet Measurement Using a PC Based Software. Second Annual Conference of the NABEC-ASAE, McGill University, Macdonald Campus, Ste. Anne de Bellevue, P.Q. H9X 1C0. Canada.
*10.Krishnan, P., S. H. White+, S. L. Gottfried, and L. J. Kemble. 1991. Preliminary Studies on Spray Droplet Analysis Using a PC Based System. Presented at the 12th Symposium on Pesticide Formulations and Application Systems, San Diego, CA, October 16-17.
*11.Krishnan, P. 1992. Sprayer Bounce and Wind Condition Effects on SPD Values of TJ-608004 Fan Nozzle. Third Annual Conference of the NABEC-ASAE, Canaan Valley Conference Center, Davis, West Virginia. July 26-29.
*12.Krishnan, P., D. Seemans+, S. Gottfried, and L. J. Kemble. 1992. Development of Process Control Charts (X and R) for Evaluating Performance of 8004 Fan Nozzles. Presented at the 13th Symposium on Pesticide Formulations and Application Systems, Miami, FL, November 18-19, 1992.
*13.Krishnan, P., I. Gal, L. J. Kemble, and S. L. Gottfried. 1993. Spray Pattern Displacement Measurements of XR 11004 Fan Nozzles Under Dynamic Conditions. Presented at the 14th Symposium on Pesticide Formulations and Application Systems, Fort Worth, TX, October 12-13, 1993.
*14.Krishnan, P. N. Faqiri +, and L. J. Kemble. 1994. Effect of Nozzle Pressure and Wind Condition on Spray Pattern Displacement of Selected Drift Reducing Nozzles. Presented at the 14th Symposium on Pesticide Formulations and Application Systems, Phoenix, Arizona, October 18-19, 1994.
*15.Faqiri, N.L.+, P. Krishnan and L.J. Kemble. 1994. Spray Pattern Displacement Measurements of RF-5 and 110-SR Nozzles. Presented at the 1994 NABEC_ASAE meeting in Guelph, Canada July 25-28, 1994.
*16.Krishnan, P., T.E. Stephens+, A.L. Brown+, J.P. Salinski+, and L.J. Kemble. 1995. Design of Portable Powered Soil Sampler. Presented at the 1st Symposium on Sampling. Environmental Media, Denver, Colorado, April 5-7, 1995.
*17.Ballal,K #, , A. Issler, L.J. Kemble, and P. Krishnan. 1995. Effect of Nozzle Coatings on Nozzle Wear. Presented at the 6th Annual Northeast Agricultural/Biological Engineering Conference, Bar Harbor, Maine, July 30 – August 2, 1995.
*18.Krishnan, P., L.J. Kemble and K. Hennings+ and H.D. Tilmon. 1997. Development of Kenaf Harvesting Technology. Presented at the NABEC 97 meeting of ASAE, College Park, Maryland. July 14-16, 1997.
*19.Krishnan,P., N.Tiwary#.1999. Improvement of Chemical Spray Application Using Statistical Process Control. Presented at the 1999 INFORMS meeting, Philadelphia, PA.
*20.Krishnan,P. 2000. Operations Research Program at University of Delaware, College of Agriculture Faculty in Cairo University, Egypt. July 2. (Invited)
*21. Krishnan, P. 2001. Obtaining Good Pesticide Coverage. 2001 Mid_Atlantic Fruit and Vegetable Convention. Hershey Lodge and Convention Center, Hershey, PA (Invited)