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Kenneth Johnson

Pacific Northwest National Laboratory
PO Box 999
Richland, WA 99352

PNNL Patents

PNNL Publications

2016

2014

  • Alvine KJ, TA Kafentzis, SG Pitman, KI Johnson, DC Skorski, JC Tucker, TJ Roosendaal, and ME Dahl. 2014. "An In-situ Tensile Test Apparatus for Polymers in High Pressure Hydrogen." Review of Scientific Instruments 85(10):Article No. 105110.  doi:10.1063/1.4899315

2013

  • Rohatgi A, and KI Johnson. 2013. "Investigation of H2 Diaphragm Compressors to Enable Low-Cost Long-Life Operation." Chapter III.11 in FY 2013 Progress Report for the DOE Hydrogen and Fuel Cells Program, vol. DOE/GO-102013-4260, pp. III-53 - III-55.  US Department of Energy, Oak Ridge, TN. 
  • Unwin SD, KI Johnson, WJ Ivans, Jr, and PP Lowry. 2013. "A PROPOSED METHOD FOR ESTIMATING FAILURE RATES OF DEGRADED PASSIVE COMPONENTS IN THE NRC SIGNIFICANCE DETERMINATION PROCESS." Transactions of the American Nuclear Society 109(1):2049-2050. 
  • Unwin SD, PW Eslinger, and KI Johnson. 2013. "ROBUSTNESS OF DECISION INSIGHTS UNDER ALTERNATIVE ALEATORY/EPISTEMIC UNCERTAINTY CLASSIFICATIONS." In International Topical Meeting on Probabilistic Safety Assessment and Analysis (PSA 2013), September 22-27, 2013, Columbia, South Carolina, vol. 1, pp. 569-580.  American Nuclear Society, La Grange, IL. 
  • Fast JE, CE Aalseth, DM Asner, CA Bonebrake, AR Day, KE Dorow, ES Fuller, BD Glasgow, TW Hossbach, BJ Hyronimus, JL Jensen, KI Johnson, DV Jordan, GP Morgen, SJ Morris, OD Mullen, AW Myers, WK Pitts, JS Rohrer, RC Runkle, A Seifert, JM Shergur, SC Stave, G Tatishvili, RC Thompson, LC Todd, GA Warren, JA Willett, and LS Wood. 2013. "The Multi-sensor Airborne Radiation Survey (MARS) Instrument." Nuclear Instruments and Methods in Physics Research. Section A, Accelerators, Spectrometers, Detectors and Associated Equipment 698:152-167.  doi:10.1016/j.nima.2012.09.029

2012

  • Karri NK, MW Rinker, KI Johnson, and SK Bapanapalli. 2012. "Refinement of Modeling Techniques for the Structural Evaluation of Hanford Single-Shell Nuclear Waste Storage Tanks." In WM 2012: Improving the Future in Waste Management, February 26 - March 1, 2012, Phoenix, Arizona, p. Paper No. 12288.  WM Symposia, Tempe, AZ. 
  • Karri NK, MW Rinker, KI Johnson, and SK Bapanapalli. 2012. "Refinement of Modeling Techniques for the Structural Evaluation of Hanford Single-Shell Nuclear Waste Storage Tanks." In WM2012: Improving the Future in Waste Management, February 26 - March 1, 2012, Phoenix, Arizona, p. Paper No. 12288.  WM Symposia, Tempe, AZ. 
  • Sanborn SE, BM Larsen, LJ Julyk, and KI Johnson. 2012. "Appurtenance Influence on Type III Hanford Single-Shell Tank Structural Integrity." In Annual Waste Management Symposium (WM2012): Improving the Future in Waste Management, February 26 - March 1, 2012, Phoenix, Arizona, p. Paper No. 12255.  WM Symposia, Phoenix, AZ. 
  • Unwin SD, PW Eslinger, and KI Johnson. 2012. Robustness of RISMC Insights under Alternative Aleatory/Epistemic Uncertainty Classifications: Draft Report under the Risk-Informed Safety Margin Characterization (RISMC) Pathway of the DOE Light Water Reactor Sustainability ProgramPNNL-21767, Pacific Northwest National Laboratory, Richland, WA. 
  • Unwin SD, RF Layton, Jr, KI Johnson, and PP Lowry. 2012. "Physics-Based Multi-State Models of Passive Component Degradation for the R7 Reactor Simulation Environment." In 11th International Probabilistic Safety Assessment and Management Conference and the Annual European Safety and Reliability Conference (PSAM11 ESREL 2012), June 25-29, 3012, Helsinki, Finland, vol. 3, pp. 1761-1770.  Curran Associates, Inc., Red Hook, NY. 
  • Johnson KI, JE Deibler, LJ Julyk, NK Karri, and SP Pilli. 2012. "Limit Load and Buckling Analysis for Assessing Hanford Single-Shell Tank Dome Structural Integrity." In WM2012: Improving the Future in Waste Management, February 26 - March 1, 2012, Phoenix, Arizona, p. Paper No. 12278.  WM Symposia, Tucson. 
  • Leavitt M, P Lam, KM Nelson, BA johnson, KI Johnson, KJ Alvine, A Ruiz, and J Adams. 2012. V1.6 Development of Advanced Manufacturing Technologies for Low Cost Hydrogen Storage VesselsPNNL-21570, Pacific Northwest National Laboratory, Richland, WA. 

2011

2009

  • Rinker MW, SP Pilli, NK Karri, JE Deibler, KI Johnson, JD Holbery, OD Mullen, and DE Hurley. 2009. "Structural Integrity of Single Shell Tanks at Hanford - 9491." In Waste Management for the Nuclear Renaissance: Waste Mangement Symposium 2009; March 1-5, 2009, Phoenix, Arizona, pp. 978-986.  WM Symposia, Tucson, AZ. 
  • Sundaram SK, KI Johnson, J Matyas, RE Williford, SP Pilli, and VN Korolev. 2009. "An Integrated Approach to Coal Gasifier Testing, Modeling, and Process Optimization." Energy and Fuels 23:4748-4754. 

2008

  • Pilli SP, KI Johnson, RE Williford, SK Sundaram, VN Korolev, and JV Crum. 2008. "Modeling of Time Varying Slag Flow in Coal Gasifiers." In Proceedings of the 25th Annual International Pittsburgh Coal Conference, vol. 3, pp. 1702-1711.  University of Pittsburgh, Pittsburgh , PA. 
  • Wells BE, KI Johnson, DR Rector, and DS Trent. 2008. S-102 Transfer Pump Restriction Modeling Results PNNL-17424, Pacific Northwest National Laboratory, Richland, WA. 
  • Johnson KI, RE Williford, J Matyas, SP Pilli, SK Sundaram, and VN Korolev. 2008. "Modeling Slag Penetration and Refractory Degradation Using the Finite Element Method ." In The Twenty-Fifth Annual International Pittsburgh Coal Conference, Pittsburgh, PA, September 29 - October 2, 2008, vol. 3, pp. 1687-1701.  University of Pittsburgh, Pittsburgh, PA. 
  • Williford RE, KI Johnson, and SK Sundaram. 2008. "Modelling of High-Chromia Refractory Spalling in Slagging Coal Gasifiers ." Ceramics International 34(8):2085-2089.  doi:10.1016/j.ceramint.2007.08.011
  • Williford RE, KI Johnson, SK Sundaram, and SP Pilli. 2008. "Effective Diffusivity and Spalling Models for Slagging Coal Gasifiers." Journal of the American Ceramic Society 91(12):4016-4022.  doi:10.1111/j.1551-2916.2008.02755.x

2007

  • Nguyen BN, KL Simmons, KI Johnson, and J Holbery. 2007. "The Effect of Fiber Orientation on the Elastic Properties of Discontinuous Fiber Composites." In Proceedings of the American Society for Composites-Twenty-Second Technical Conference, pp. 30-207.  DEStech Publications, Lancaster, PA. 
  • Recknagle KP, DT Jarboe, KI Johnson, A Korolev, MA Khaleel, and P Singh. 2007. "ELECTROCHEMISTRY AND ON-CELL REFORMATION MODELING FOR SOLID OXIDE FUEL CELL STACKS." In Advances in Solid Oxide Fuel Cells II: Ceramic Engineering and Science Proceedings, vol. 27, no. 4, ed. N.P. Bansal, A. Wereszczak, E. Lara-Curzio, pp. 409-418.  John Wiley & Sons, Inc., Hoboken, NJ.  doi:10.1002/9780470291337
  • Sundaram SK, KI Johnson, RE Williford, SP Pilli, J Matyas, A Fluegel, SK Cooley, JV Crum, and AB Edmondson. 2007. "Slag-Refractory Interaction in Coal Gasifiers." In Twenty-Fourth Annual International Pittsburgh Coal Conference, p. 168.  Pittsburgh Coal Conference, Pittsburgh, PA. 

2005

  • Nguyen BN, JD Holbery, KI Johnson, and MT Smith. 2005. "Long-Fiber Thermoplastic Injection Molded Composites: from Process Modeling to Property Prediction." In Proceedings of the 5th Annual Automotive Composites Conference and Exhibition (ACCE), Troy, MI, September 12-14, 2005, pp. 27-35 (9 pages).  Society of Plastics Engineers, Automotive Division, Troy, MI. 

2004

  • Johnson KI, BN Nguyen, RW Davies, GJ Grant, and MA Khaleel. 2004. "A Numerical Process Control Method for Circular-Tube Hydroforming Prediction." International Journal of Plasticity 20(6):1111-1137. 

2003

  • Nguyen BN, KI Johnson, and MA Khaleel. 2003. "Analysis of Tube Free Hydroforming using an Inverse Approach with FLD-based Adjustment of Process Parameters." Transactions of the ASME. Journal of Engineering Materials and Technology 125 (2):133-140. 
  • Nguyen BN, KI Johnson, and MA Khaleel. 2003. "Analysis of Tube Hydroforming by means of an Inverse Approach." Journal of Manufacturing Science and Engineering 125(2):369-377. 
  • Nguyen BN, KI Johnson, GJ Grant, and MA Khaleel. 2003. "Inverse Analysis of Aluminum Tubes Hydroformed Under Free Conditions and Within a Conical Die." In Energy Efficient Manufacturing Processes. Fourth Materials Processing & Manufacturing Division International Symposium on Global Innovations, ed. I. Anderson, T. Marechaux, C. Cockrill, pp. 129-136.  The Minerals, Metals & Materials Society, Warrendale, PA. 
  • Johnson KI, BN Nguyen, GJ Grant, RW Davies, and MA Khaleel. 2003. "A Comparison of Tube-Hydroforming Experiments and Predictions Using a Numerical Process Control Method ." In Energy Efficient Manufacturing Processes: Proceedings of the Technical Sessions Presented at the 132nd TMS Annual Meeting, ed. I Anderson, T Marechaux and C Cockrill, pp. 137-146.  TMS , Warrendale, PA. 

Experimental and Computational Engineering

Additional Information