1. Harpster, J.W., Harpster, T.J. & Welch, W.C.
“Air Storage: The True Root Cause of Condensate Dissolved Gases and Poor Condenser Performance” EPRI International Conference on Cycle Chemistry, Seattle, WA, June 26-28, 2012.
2. Harpster, J.W., Harpster, T.J. & Welch, W.C.
“Condenser Performance Monitoring, Control and Optimization” EPRI Heat Rate Improvement Conference, St. Petersburg, FL, January 25-January 27, 2011.
3. Welch, W.C., Harpster, T.J. & Harpster, J.W.
“Increasing Condenser Capacity without Adding Tubes to Support a Station Uprate” ASME Power 2010, Chicago, IL, July 13-15, 2010.
4. Welch, W.C., Harpster, T.J., Harpster, J.W., & Stamp, D.R.
“A Connection between Cycle Chemistry and Condenser Configuration, Part II” 30th Annual Electric Utility Chemistry Workshop at the University of Illinois, Champaign, IL, June 8-10, 2010.
5. Harpster, J.W., Harpster, T.J. & Welch, W.C.
“Unveiling Root Causes of Chemistry & Performance Problems by Putting Condensers Under a Microscope” 19th Annual Southwest Chemistry Workshop, San Diego, CA, June 8-10, 2010.
6. Harpster, T.J. & Harpster, J.W.
“A Voyage on the Seven C’s – Phase II: Common Cause Correction of a Condenser’s Conduct & Condensate Chemistry” EPRI International Conference on Cycle Chemistry, Boston, MA, June 30-July 2, 2009.
7. Harpster, T.J. Harpster, J.W. & Welch, W.C.,
“A Connection between Cycle Chemistry & Condenser Configuration” The 29th Annual Electric Utility Chemistry Workshop, Champaign, IL, June 2-4, 2009.
8. Harpster, T.J. & Harpster, J.W.
“Instrumentation, Methods & Analysis Tools for Comprehensive Condenser Testing, Monitoring & Troubleshooting” ISA Electric Power Conference & Exhibition, Rosemont, IL, May 12-14, 2009.
9. Harpster, T.J. & Harpster, J.W.
“Politics, Religion or Engineering – Which is Best for Your Condenser?” EPRI Condenser Technology Conference, St. Petersburg, FL, August 12-14, 2008.
10. Harpster, T.J., Harpster, J.W., Fields, R., Stallings, J. & Tsou, J.
“Moisture Separation in Condenser Vent Lines” EPRI Condenser Technology Conference, St. Petersburg, FL, August 12-14, 2008.
11. Harpster, T.J., Harpster, J.W., Shah, S., Weber, G. & Horn, M.
“Application of New Individual Condenser Tube Circulating Water Flow and Fouling Meter in Performance Monitoring & Troubleshooting – A Case Study” ASME Power 2008, Orlando, FL, July 22-24, 2008.
12. Harpster, T.J. & Harpster, J.W.
“Condenser Performance Measurement Using New On-Line Condenser Tube Flow Rate and Fouling Instruments” The 10th Annual Balance of Plant Heat Exchanger NDE, San Antonio, TX, June 16-18, 2008.
13. Harpster, T.J. & Harpster, J.W.
“Improving Condenser Performance and Reducing Dissolved Gases By Tackling Their Common Root Causes” The 27th Annual Electric Utility Chemistry Workshop, Champaign, IL, May 15-17, 2007.
14. Harpster, J.W.
“NDE Methodology for Identifying Condenser Design Deficiencies” EPRI Balance of Plant Heat Exchanger NDE Symposium, Big Sky, MT, June 26-28, 2006.
15. Harpster, J.W.
“A Voyage on the Seven C’s – Condenser Configuration Caused Cycle Chemistry Corrosion Calamities” EPRI International Conference on Cycle Chemistry, Calgary, Canada, June 20-22, 2006.
16. Harpster, J.W.
“On Identifying Condenser Design Deficiencies” ASME Power Conference, Atlanta, GA, May 2-4, 2006.
17. Harpster, J.W. contributing Author
“Condenser Tube Failures: Theory and Practice Volumes I and II” EPRI TR 1010188, March 28, 2006
18. Harpster, J.W.
“On a Predictive Condenser Performance Model” EPRI Condenser Technology Seminar & Conference, San Diego, CA, Aug. 30-Sept. 1, 2005.
19. Harpster, J.W.
“Condenser Performance Impact on Plant Operations and Component Life Cycle” 13th ICONE, Beijing, China, May 16-20, 2005.
20. Harpster, J.W.
“Definable Heat Rate Improvement Derived From Condenser Monitoring, Maintenance and Modification” EPRI Heat Rate Improvement Conference, Cedar Rapids, IA, January 25, 2005.
21. Lui, H.L. & Harpster, J.W.
“Development of Non-intrusive Thermal Flowmeter for In-core Measurements” 4th American Nuclear Society International Topical Meeting on Nuclear Plant Instrumentation, Controls and Humane-Machine Interface Technologies, Columbus, OH, Sept. 2004.
22. Harpster, J.W.
“Added Capacity from Advanced Condenser Instrumentation and Engineering” 4th American Nuclear Society International Topical Meeting on Nuclear Plant Instrumentation, Controls and Humane-Machine Interface Technologies, Columbus, OH, Sept. 2004.
23. Harpster, J.W. & Rubin, L.J.
“Recovery of MWe Capacity Through Condenser Improvements” EPRI NPPI Conference, Austin, TX, June 28-29, 2004.
24. Harpster, J.W.
“On the Inability of Multiple Exhausters to Eliminate Condenser Excess Back Pressure at High Air In-leakage” ASME International Joint Power Generation Conference, Atlanta, GA, June 16-19, 2003.
25. Harpster, J.W.
“On Understanding Condenser Pressure Saturation at Low Air Ingress” EPRI Condenser Seminar and Conference, San Antonio, TX, Sept. 10-12, 2002.
26. Putman, R.E. & Harpster, J.W.
“The Measurement of Condenser Losses Due to Fouling and Those Due to Air Ingress” EPRI Condenser Seminar and Conference, San Antonio, TX, Sept. 10-12, 2002.
27. Harpster, J.W.
“On Condenser Tube Corrosion and Turbine Blade Copper Deposition” 11th Southwest Chemistry Workshop, Park City, Utah, August 13-15, 2002.
28. Harpster, J.W.
“Reducing Dissolved Oxygen Under Conditions of High Air Ingress” ASME International Joint Power Generation Conference, Phoenix, AZ, June 24-26, 2002.
29. Harpster, J.W.
“Advancement on a Comprehensive Theory of Condensers” ISA POWID, San Diego, CA, June, 2002.
30. Harpster, J.W.
“Increased Availability from Improved Condenser Design” Tenth International Conference on Nuclear Engineering, Arlington, VA, (Washington D.C.) April 14-18, 2002.
31. Stroman, W.H., & Harpster, J.W.
“Continuous Monitoring for Condenser Air In-leakage” ASME Research Committee on Power Plant & Environmental Chemistry, Charleston, SC, March 11-13, 2002.
32. Harpster, J.W.
“An Impact on Plant Performance from Advanced Instrumentation” ISA POWID Industry Symposium, Orlando, FL, July 7-13, 2001. Best Technical Paper Award
33. Harpster, J.W.
“On Understanding the Behavior of Non-condensables in the Shell Side of Steam Surface Condensers” ASME International Joint Power Generation Conference, New Orleans, LA, June 4-7, 2001.
34. Harpster, J.W.
“On Understanding Mechanisms That Control Dissolved Oxygen in Condenser Condensate” The 21st Annual Electric Utility Chemistry Workshop at the University of Illinois, Champaign, IL, May 8-10, 2001.
35. Putman, R.E. & Harpster, J.W.
“The Economic Effects of Condenser Backpressure on Heat Rate, Condensate Subcooling and Feedwater Dissolved Oxygen” ASME International Joint Power Generation Conference, Miami Beach, FL, July 23-26, 2000.
36. Putman, R.E. & Harpster, J.W., contributing author, et. al.
“Condenser In-Leakage Guideline” EPRI, Palo Alto, CA: 2000. TR-112819.
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