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High Temperature Test Laboratory

HTTL researchers' inventions and publications have cemented the program's reputation in the international community.  HTTL scientists have designed, fabricated, and demonstrated heaters capable of maintaining high-temperature nuclear reactor core materials at their melting temperatures.

Their research has garnered numerous recognitions and awards.  One internationally recognized HTTL invention, the High Temperature Irradiation Resistant Thermocouple (HTIR-TC), was awarded a patent (7871198), nominated by INL in 2007 for a R&D 100 Award, and was a finalist in the 2007 Stoel Rives Idaho Innovation Awards.

Accomplishments

Awards

  • 2013
    • Invited to participate in 11th Annual National Academies Keck Futures Initiative (NAKFI) conference, The Future of Advanced Nuclear Technologies: Building a Healthier and Safer Planet, Nov. 2013. J. Daw and B. Chase.
    • 1st Place,  Poster, International Conference on Environmental Remediation and Radioactive Waste Management (ICEM 2013), Sept 8-12, 2013 Brussels, Belgium, M. Reichenberger, P. Ugorowski, T. Unruh.

  • 2012
    • 2013 Innovations in Fuel Cycle Research: 1st Place Nuclear Fuels Open Competition; J. Daw, J. Rempe, D. Knudson, and S. C. Wilkins, “Hot Wire Needle Probe for In-Pile Thermal Conductivity Detection,” IEEE Sensors Journal, 12, Issue 8, August 2012, pp. 2554-2560.
    • 2012 Innovations in Fuel Cycle Research: 2nd Place Nuclear Fuels Open Competition; J. E. Daw, J. L. Rempe, and J. C. Crepeau, "Update on Progress in  Ultrasonic Thermometry Development," 8th International Topical Meeting on Nuclear Plant Instrumentation, Control, and Human Machine Interface Technologies (NPIC&HMIT 2012), San Diego, CA, July 22-26,  2012.

  • 2011
    • Department of Energy Secretary Honors Award for contribution to the U.S. efforts to respond to the events at Fukushima - Joy Rempe.
    • Letter of Commendation from Dr. Pete Lyons, Assistant Secretary for Nuclear Energy, US DOE, for contribution to the U.S. efforts to respond to the events at Fukushima - Joy Rempe and Kurt Davis.
    • "High Temperature Thermocouple Design and Fabrication," US patent filed by Battelle Energy Alliance (IDR #BA-142) on behalf of DOE (Serial Number 11/678,901), published by US PTO as No. 2008/0205483 and issued   January 18, 2011, Patent 7871198.  Inventors:  Joy L. Rempe, Darrell L. Knudson, Keith G. Condie, and S. C. Wilkins.

  • 2010 - Current
    • Member, Advisory Committee on Reactor Safeguards, U.S. Nuclear Regulatory Commission, serving on a wide range of subcommittees – Joy Rempe.

  • 2009
    • "In-Pile Thermal Conductivity Measurement Technique for Nuclear Fuel," winning poster presentation Intermountain Graduate Research Symposium, Utah State University, April 2009. B. Fox.

  • 2008
    • "Investigations to Enhance the Performance of High Temperature Irradiation-Resistant Thermocouples," winning poster at the Advanced Fuel Cycle Initiative (AFCI) Annual Meeting, October 2008, Idaho Falls, ID - J.E. Daw, J.C. Crepeau, S.C. Wilkins, J.L. Rempe, and D.L. Knudson.
    • University of Idaho College of Engineering Outstanding Student Masters– Joshua Daw. Joshua Daw received the University of Idaho College of Engineering Outstanding Student Masters for his outstanding work in testing High-Temperature, Irradiation Resistant ThermoCouples.

  • 2007
    • High Temperature Irradiation Resistant Thermocouples (HTIR-TCs) - INL 2007 R&D 100 Nominee - Stoel Rives Idaho Innovation Award Finalist

  • 2005
    • Fellow, American Nuclear Society - Joy Rempe

  • 1993
    • INEEL Best Product Award (for NRC LWR Lower Head Failure Program NUREG/CR report).
    • Certificate of Appreciation from NRC and OECD-NEA for outstanding contribution to OECD-NEA TMI-2 Vessel Investigation Project.

Journal Publications

Patents/Invention Disclosures

  • 2013
    • “Micro Pocket Fission Detector,” submitted March 4, 2013, Inventors:  Troy Unruh, Douglas McGregor, Philip Ugorwski, Joy Rempe, and Darrell Knudson.

  • 2012
    • “High Frequency Magnetostrictive Transducer for Waveguide Applications,” IDR #BA-767, elected by the BEST Committee for Battelle Energy Alliance to file a patent on behalf of DOE, October 2012. Inventors: J. E. Daw, J. L. Rempe, D. L. Knudson, S. C. Wilkins, and S. C. Taylor.
    • “Needle Probe for In-Pile Thermal Conductivity Detection,” IDR # BA-459, elected by the BEST Committee for Battelle Energy Alliance, DOE filed patent on October 10, 2012 (ID 13648502, Application S-122190). Inventors:  Keith G. Condie, Joy L. Rempe, Darrell L. Knudson, Joshua E. Daw, S. Curtis Wilkins, Brandon S. Fox, and Heng Ban.
    • “Fiber Optic Elongation/Displacement Sensor,” IDR #BA-725, submitted February 29, 2012.  Inventors: Robert S. Schley, Joy L. Rempe, and Darrell L. Knudson.

  • 2011
    • “High Temperature In-Pile Elongation Measurements,” US patent filed by Battelle Energy Alliance (IDR #BA-311) on behalf of DOE (Serial Number 12/419,916), published by US PTO   as No. 2010/0254503   on 10/07/2010 and issued on November 29, 2011, Patent 8065810.  Inventors:  Joy L. Rempe, Darrell L. Knudson, Joshua E. Daw, Keith G. Condie, and Carl M. Stoots.
    • "High Temperature Thermocouple Design and Fabrication," US patent filed by Battelle Energy Alliance (IDR #BA-142) on behalf of DOE (Serial Number 11/678,901), published by US PTO as No. 2008/0205483 and issued   January 18, 2011, Patent 7871198.  Inventors:  Joy L. Rempe, Darrell L. Knudson, Keith G. Condie, and S. C. Wilkins.

Peer-Reviewed Conference Papers

  • 2013
    • J. Daw, J. Rempe, J. Palmer, P. Ramuhalli, R. Montgomery, H-T. Chien, B. Tittmann, B. Reinhardt, and G. Kohse, “Irradiation Testing of Ultrasonic Transducers,” 2013 Conference on Advancements in Nuclear Instrumentation, Measurements Methods (ANIMMA 2013), June 23-27, 2013, Marseilles, France.
    • J. L. Rempe, D. L.  Knudson, J. E. Daw, T.  Unruh, B.M.  Chase, K. Davis, A. J. Palmer, and R. S. Schley, "Advanced In-pile Instrumentation for Material and Test Reactors," 2013 Conference on Advancements in Nuclear Instrumentation, Measurements Methods (ANIMMA 2013), June 23-27, 2013, Marseilles, France.
    • J. L. Rempe and D. L. Knudson, "Instrumentation Performance during the TMI-2 Accident," 2013 Conference on Advancements in Nuclear Instrumentation, Measurements Methods (ANIMMA 2013), June 23-27, 2013 Marseilles, France.

  • 2012
    • J. Rempe, D.  Knudson, J. Daw, T. Unruh, B. Chase, K. Davis,   R. Schley, and S. Taylor, "New Sensors for Irradiation Testing at Materials and Test Reactors," IAEA Technical Meeting on In-Pile Testing and Instrumentation for Development of Generation-IV Fuels and Materials,  21-24 August 2012, Halden, Norway.
    • J. Rempe, D.  Knudson, J. Daw, T. Unruh, B. Chase, K. Davis, and R. Schley, “New Instrumentation for Irradiation Testing  in High Flux Materials and Test Reactors,” 8th International Topical Meeting on Nuclear Plant Instrumentation, Control, and Human Machine Interface Technologies (NPIC&HMIT 2012), San Diego, CA, July 22-26,  2012.
    • J. E. Daw, J. L. Rempe, and J. C. Crepeau, "Update on Progress in  Ultrasonic Thermometry Development," 8th International Topical Meeting on Nuclear Plant Instrumentation, Control, and Human Machine Interface Technologies (NPIC&HMIT 2012), San Diego, CA, July 22-26,  2012.
    • J. Rempe, D.  Knudson, J. Daw, T. Unruh, B. Chase, K. Davis, and R. Schley, “Enhanced Instrumentation for Materials and Test Reactors,” 8th International Topical Meeting on Nuclear Plant Instrumentation, Control, and Human Machine Interface Technologies (NPIC&HMIT 2012), San Diego, CA, July 22-26,  2012.
    • K. L. Davis, B . Chase, T. Unruh, D. Knudson, J. Rempe,  H. Chichester, K. Sridharan, "Use of Silicon Carbide Monitors in ATR Irradiation Testing," 8th International Topical Meeting on Nuclear Plant Instrumentation, Control, and Human Machine Interface Technologies (NPIC&HMIT 2012), San Diego, CA, July 22-26,  2012.
    • K. L. Davis, D.L. Knudson, J.E. Daw, J.L. Rempe and A.J. Palmer, "Melt Wire Sensors Available to Determine Peak Temperatures in ATR Irradiation Testing,"  8th International Topical Meeting on Nuclear Plant Instrumentation, Control, and Human Machine Interface Technologies (NPIC&HMIT 2012), San Diego, CA, July 22-26,  2012.
    • J.E. Daw, J.L. Rempe, D.L. Knudson, T. Unruh, B.M. Chase, and K.L. Davis, "Temperature Monitoring Options Available at the Idaho National Laboratory Advanced Test Reactor," Proceedings of the 9th International Temperature Symposium, Anaheim, CA, March 2012.

  • 2011
    • J. Rempe, D. Knudson, J. Daw, T. Unruh, B. Chase, K. Condie, J. Palmer, and K. Davis, “Enhanced In-pile Instrumentation at the Advanced Test Reactor,” Proceedings of the Second International Conference on Advancements in Nuclear Instrumentation, Measurement Methods and their Applications (ANIMMA2011), Ghent, Belgium, June 2011.

  • 2010
    • J. Daw, J. Rempe, and S. Curtis Wilkins, “Ultrasonic Thermometry for In-Pile Temperature Detection,” 7th International Topical Meeting on Nuclear Plant Instrumentation, Control, and Human Machine Interface Technologies (NPIC&HMIT 2010),  Las Vegas, NV, November 7-11, 2010.
    • D. Knudson and J. Rempe, “Recommendations for use of LVDTs in ATR High Temperature Irradiation Testing,” 7th International Topical Meeting on Nuclear Plant Instrumentation, Control, and Human Machine Interface Technologies (NPIC&HMIT 2010), Las Vegas, NV, November 7-11, 2010.
    • J. Daw, J. Rempe, K. Condie, D. Knudson, S. C. Wilkins, B. Fox, and H. Ban, “Hot Wire Needle Probe for In-Pile Thermal Conductivity Detection,” 7th International Topical Meeting on Nuclear Plant Instrumentation, Control, and Human Machine Interface Technologies (NPIC&HMIT 2010),  Las Vegas, NV, November 7-11, 2010.
    • Bong Goo Kim, Joy L. Rempe, Darrell L. Knudson, Keith G. Condie , and Bulent H. Sencer, “Development of an In-situ Creep Testing Capability for the Advanced Test Reactor,” 7th International Topical Meeting on Nuclear Plant Instrumentation, Control, and Human Machine Interface Technologies (NPIC&HMIT 2010),  Las Vegas, NV, November 7-11, 2010.
    • T. Unruh, J.  Rempe, D.  Nigg, P. Hart, G. Imel, J.  Harris, and E.  Bonebrake, "Flux Sensor Evaluations at the ATR Critical Facility," 7th International Topical Meeting on Nuclear Plant Instrumentation, Control, and Human Machine Interface Technologies (NPIC&HMIT 2010),  Las Vegas, NV, November 7-11, 2010.
    • M. Laurie, D. Magallon, J. Rempe, S. Wilkins, J. Pierre, C. Marquié , S. Eymery , and R. Morice, “Ultrasonic High Temperature Sensors: Past Experiments and Prospective for Future Use,” Joint International Symposium on Temperature, Humidity, and Moisture and Thermal Measurements in Industry and Science, Portoro┼ż, Slovenia, May 31 - June 4,  2010.

  • 2009
    • J. Rempe, et. al., "Instrumentation Enhancements for the Advanced Test Reactor National Scientific User Facility," invited paper for NPIC HMIT Special Edition, Nuclear Technology, MS# 09052, accepted September 2009.
    • J. Rempe, D. Knudson, K. Condie, J. Daw, H. Ban, B. Fox, G.E. Kohse, S.C. Wilkins, “New Sensors for In-Pile Testing at the ATR NSUF,” Proceedings of the First International Conference on Advancements in Nuclear Instrumentation, Measurement Methods and their Applications (ANIMMA), Marseille, France, June 2009.
    • J. Rempe and M. Meyer, “ATR NSUF Instrumentation Enhancement Efforts,” Proceedings of the ANS NPIC HMIT 2009 Topical Meeting on Nuclear Plant Instrumentation, Controls, and Human Machine Interface Technology, Knoxville, TN, April 2009.
    • D.L. Knudson and J.L. Rempe, “LVDT Evaluations for ATR Irradiations,” Proceedings of the ANS NPIC HMIT 2009 Topical Meeting on Nuclear Plant Instrumentation, Controls, and Human Machine Interface Technology, Knoxville, TN, April 2009.
    • B. Fox, H. Ban, J. Rempe, D. Knudson, and J. Daw, “Development of an In-pile Technique for Fuel Thermal Conductivity Measurement,” Proceedings of the ANS NPIC HMIT 2009 Topical Meeting on Nuclear Plant Instrumentation, Controls, and Human Machine Interface Technology, Knoxville, TN, April 2009.

  • 2008

  • 2007
    • J.L. Rempe, D.L. Knudson, K.G. Condie, S.C. Wilkins, J.C. Crepeau, and J.E. Daw, “Options to Increase the Applicability of High Temperature Irradiation Resistant Thermocouples,” Paper 218, Proceedings of the 12th International Topical Meeting on Nuclear Reactor Thermal-Hydraulics (NURETH12), Pittsburgh, PA, September 30-October 4, 2007.
    • J.L. Rempe, D.L. Knudson, K.G. Condie, and S.C. Wilkins, “Long Duration Performance of High Temperature Irradiation Resistant Thermocouples," Proceedings of the 2007 International Congress on Advances in Nuclear Power Plants (ICAPP’07), Nice, France, May 13-18, 2007.
    • J.E. Daw, J.C. Crepeau, J.L. Rempe, S.C. Wilkins, D.L. Knudson, and K.G. Condie, “Initial Results from Investigations to Enhance the Performance of High Temperature Irradiation-Resistant Thermocouples,” 15th International Conference on Nuclear Engineering (ICONE15) , Paper ICONE15-10842, Nagoya, Japan, April 2007.

  • 2006
    • J. L. Rempe, D. L. Knudson, K. G. Condie, and S. C. Wilkins, “Evaluation of Specialized Thermocouples for High-Temperature In-Pile Testing,” Proceedings of the 2006 International Congress on Advances in Nuclear Power Plants (ICAPP’06), Reno, NV, June 4-8, 2006.

  • 2005
    • J. Rempe, K. Y. Suh, F.B. Cheung, and S.-B. Kim, “Insights from Investigations of In-Vessel Retention for High Power Reactors,” Paper 142, Proceedings of the 11th International Topical Meeting on Nuclear Reactor Thermal-Hydraulics (NURETH-11), Popes Palace Conference Center, Avignon, France, October 2-6, 2005.
    • J. Rempe and S. C. Wilkins, “High Temperature Thermocouples for In-Pile Applications,” Paper 143, Proceedings of the 11th International Topical Meeting on Nuclear Reactor Thermal-Hydraulics (NURETH-11), Popes Palace Conference Center, Avignon, France, October 2-6, 2005.
    • J. L. Rempe, D. L. Knudson, K. G. Condie, F. B. Cheung, K. Y. Suh, and S. B. Kim, “Increased Margin Associated with Options to Enhance In-Vessel Retention,” 2005 International Congress on Advances in Nuclear Power Plants (ICAPP’05), Seoul, Korea, May 15-19, 2005.

  • 2004
    • J. Rempe, et al., “In-Vessel Retention – Recent Efforts and Future Needs,” Sixth International Topical Meeting on Nuclear Reactor Thermal Hydraulics, Operations and Safety (NUTHOS6), Nara, JAPAN, October 4-8, 2004.
    • J. Rempe, et al., “Materials Interaction Tests to Identify Base and Coating Materials for an Enhanced In-Vessel Core Catcher Design,” Twelfth International Conference on Nuclear Engineering (ICONE12), Washington, DC, April 2004.

  • 2003
    • J. L. Rempe, et al., “Development of an Enhanced In-Vessel Core Catcher for Improving In-Vessel Retention Margins,” Tenth International Topical Meeting on Nuclear Reactor Thermal Hydraulics (NURETH-10), Seoul, Korea, October 2003.

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