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Brian Koeppel

Pacific Northwest National Laboratory
PO Box 999
Richland, WA 99352

PNNL Publications

2017

  • Koeppel B.J., C. Lai, A. Iyengar, Z. Xu, C. Wang, and G.A. Hackett. 2017. "Use of a Reduced Order Model (ROM) to Simulate SOFC Performance in System Models." ECS Transactions 78, no. 1:2595-2605. PNNL-SA-125147. doi:10.1149/07801.2595ecst

2016

  • Reed D.M., E.C. Thomsen, B. Li, W. Wang, Z. Nie, B.J. Koeppel, and J.P. Kizewski, et al. 2016. "Stack Developments in a kW class all vanadium mixed acid redox flow battery at the Pacific Northwest National Laboratory." Journal of the Electrochemical Society 163, no. 1:A5211-A5219. PNNL-SA-112057. doi:10.1149/2.0281601jes
  • Reed D.M., E.C. Thomsen, B. Li, W. Wang, Z. Nie, B.J. Koeppel, and V.L. Sprenkle. 2016. "Performance of a Low Cost Interdigitated Flow Design on a 1 kW Class All Vanadium Mixed Acid Redox Flow Battery." Journal of Power Sources 306. PNNL-SA-112126. doi:10.1016/j.jpowsour.2015.11.089

2015

  • Chou Y.S., E.V. Stephens, Z. Xu, W. Xu, B.J. Koeppel, and J.W. Stevenson. 2015. Mitigation and Prediction of Spallation of Oxide Scales on Ferritic Stainless Steel. PNNL-24025. Richland, WA: Pacific Northwest National Laboratory.
  • Reed D.M., E.C. Thomsen, W. Wang, Z. Nie, B. Li, X. Wei, and B.J. Koeppel, et al. 2015. "Performance of NafionŽ N115, NafionŽ NR-212, and NafionŽ NR-211 in a 1 kW Class All Vanadium Mixed Acid Redox Flow Battery." Journal of Power Sources 285. PNNL-SA-108089. doi:10.1016/j.jpowsour.2015.03.099
  • Stevenson J.W., and B.J. Koeppel. 2015. Final Report: SECA Core Technology Program - PNNL. PNNL-24083. Richland, WA: Pacific Northwest National Laboratory.

2014

  • Chou Y.S., J. Choi, W. Xu, E.V. Stephens, B.J. Koeppel, J.W. Stevenson, and E. Lara-Curzio. 2014. Compliant Glass Seals for SOFC Stacks. PNNL-23397. Richland, WA: Pacific Northwest National Laboratory.
  • Stevenson J.W., and B.J. Koeppel. 2014. FY13 Annual Progress Report for SECA Core Technology Program. PNNL-23127. Richland, WA: Pacific Northwest National Laboratory.
  • Stevenson J.W., and B.J. Koeppel. 2014. FY14 Q1 Progress Report for SECA Core Technology Program. PNNL-23152. Richland, WA: Pacific Northwest National Laboratory.
  • Xu W., X. Sun, B.J. Koeppel, and H.M. Zbib. 2014. "A continuum thermo-inelastic model for damage and healing in self-healing glass materials." International Journal of Plasticity 62. PNNL-SA-100347. doi:10.1016/j.ijplas.2014.06.011

2013

  • Pan W., J. Bao, C. Lo, C. Lai, K. Agarwal, B.J. Koeppel, and M.A. Khaleel. 2013. "A general approach to develop reduced order models for simulation of solid oxide fuel cell stacks." Journal of Power Sources 232. PNNL-SA-90310. doi:10.1016/j.jpowsour.2013.01.057

2011

  • Khaleel M.A., X. Sun, E.V. Stephens, K.P. Recknagle, E.M. Ryan, B.J. Koeppel, and C. Lai. 2011. "SOFC Modeling and Simulation Tools." In 2011 Office of Fossil Energy Fuel Cell Program Annual Report. 198-201. Washington Dc, District Of Columbia:Department of Energy. PNNL-SA-81582.
  • Koeppel B.J., C. Lai, and M.A. Khaleel. 2011. "EFFECT OF GEOMETRY AND OPERATING PARAMETERS ON SIMULATED SOFC STACK TEMPERATURE UNIFORMITY." In Proceedings of ASME 2011 5th International Conference on Energy Sustainability & 9th Fuel Cell Science, Engineering and Technology Conference, August 7-10, 2011, Washington DC, Paper No. ESFuelCell2011-54803. New York, New York:ASME. PNNL-SA-78707.
  • Koeppel B.J., C. Lai, and M.A. Khaleel. 2011. "SOFC Multi-Physics (SOFC-MP) Modeling and Simulation Tools." In 2011 Office of Fossil Energy Fuel Cell Program Annual Report. 207-210. Washington Dc:Department of Energy. PNNL-SA-81233.
  • Koeppel B.J., C. Lai, and M.A. Khaleel. 2011. SOFC-MP 2D User Manual. PNNL-20433. Richland, WA: Pacific Northwest National Laboratory.
  • Koeppel B.J., E.V. Stephens, and M.A. Khaleel. 2011. "Optimization of Stack Load Path and Contact Materials." In 2011 Office of Fossil Energy Fuel Cell Program Annual Report. 202-206. Washington, District Of Columbia:Department of Energy. PNNL-SA-81034.
  • Koeppel B.J., W.N. Liu, E.V. Stephens, and M.A. Khaleel. 2011. "NUMERICAL MODELING OF CATHODE CONTACT MATERIAL DENSIFICATION." In Advances in Solid Oxide Fuel Cells VII: Ceramic Engineering and Science Proceedings, 8th International Symposium on Solid Oxide Fuel Cells: Materials, Science, and Technology, edited by NP Bansal, et al, 32, 171-182. Hoboken, New Jersey:John Wiley & Sons. PNNL-SA-76999. doi:10.1002/9781118095249.ch16
  • Lai C., B.J. Koeppel, K. Choi, K.P. Recknagle, X. Sun, L.A. Chick, and V.N. Korolev, et al. 2011. "A Quasi-Two-Dimensional Electrochemistry Modeling Tool for Planar Solid Oxide Fuel Cell Stacks." Journal of Power Sources 196, no. 6:3204-3222. PNNL-SA-70969. doi:10.1016/j.jpowsour.2010.11.123
  • Yang C., H. Lim, S. Hwang, D. Kim, C. Lai, B.J. Koeppel, and K.P. Recknagle, et al. 2011. "Modeling of On-Cell Reforming Reaction for Planar SOFC Stacks." In Proceedings of the ASME 2011 9th International Conference on Fuel Cell Science, Engineering and Technology collocated with ASME 2011 5th International Conference on Energy Sustainability (FUELCELL2011) August 7-10, 2011, Washington, DC, 355-363, FuelCell2011-54138. New York, New York:American Society of Mechanical Engineers. PNNL-SA-80275. doi:10.1115/FuelCell2011-54138

2010

  • Khaleel M.A., X. Sun, W.N. Liu, E.V. Stephens, K.P. Recknagle, E.M. Ryan, and B.J. Koeppel, et al. 2010. "SOFC Modeling and Simulation Tools." In 2010 Office of Fossil Energy Fuel Cell Program Annual Report. 215-219. Washington Dc:Department of Energy. PNNL-19718.
  • Liu W.N., B.J. Koeppel, X. Sun, and M.A. Khaleel. 2010. "EFFECTS OF GEOMETRICAL AND MECHANICAL PROPERTIES OF VARIOUS COMPONENTS ON STRESSES OF THE SEALS IN SOFCS." In Advances in Solid Oxide Fuel Cells VI: Ceramic Engineering and Science Proceedings, edited by P Singh, NP Bansal, S Mathur and T Ohji, 31, 53-62. Hoboken, New Jersey:John Wiley & Sons, Inc. PNNL-SA-70315.
  • Liu W.N., X. Sun, B.J. Koeppel, and M.A. Khaleel. 2010. "Creep Behavior of Glass/Ceramic Sealant Used in Solid Oxide Fuel Cells." In Advances in Solid Oxide Fuel Cells V: Ceramic Engineering and Science Proceedings, edited by NP Bansal, P Singh, D Singh and J Salem, 203-209. Hoboken, New Jersey:John Wiley & Sons, Inc. PNNL-SA-64052. doi:10.1002/9780470584316.ch19
  • Liu W.N., X. Sun, B.J. Koeppel, and M.A. Khaleel. 2010. "Experimental Study of the Aging and Self-Healing of Glass/Ceramic Sealant Used in SOFCs." International Journal of Applied Ceramic Technology 7, no. 1:22-29. PNNL-SA-66154.
  • Recknagle K.P., E.M. Ryan, B.J. Koeppel, L.A. Mahoney, and M.A. Khaleel. 2010. "Modeling of Electrochemistry and Steam-Methane Reforming Performance for Simulating Pressurized Solid Oxide Fuel Cell Stacks." Journal of Power Sources 195, no. 19:6637-6644. PNNL-SA-71093.
  • Recknagle K.P., E.M. Ryan, B.J. Koeppel, L.A. Mahoney, and M.A. Khaleel. 2010. "Modeling of Electrochemistry and Steam-Methane Reforming Performance for Simulating Pressurized Solid Oxide Fuel Cell Stacks." Journal of Power Sources 195, no. 19:6637-6644. PNNL-SA-75217. doi:10.1016/j.jpowsour.2010.04.024

2009

  • Joulaee N., A. Makradi, S. Ahzi, M.A. Khaleel, and B.J. Koeppel. 2009. "Prediction of crack propagation paths in the unit cell of SOFC stacks." International Journal of Mechanics and Materials in Design 5, no. 3:217-230. PNNL-SA-56390. doi:10.1007/s10999-009-9095-5
  • Liu W.N., X. Sun, B.J. Koeppel, E.V. Stephens, and M.A. Khaleel. 2009. "Creep Behavior of Glass/Ceramic Sealant and its Effect on Long-term Performance of Solid Oxide Fuel Cells." International Journal of Applied Ceramic Technology 8, no. 1:49-59. PNNL-SA-67391. doi:10.1111/j.1744-7402.2009.02455.x
  • Milhans J., S. Ahzi, H. Garmestani, M.A. Khaleel, X. Sun, and B.J. Koeppel. 2009. "Modeling of the Effective Elastic and Thermal Properties of Glass-Ceramic Solid Oxide Fuel Cell Seal Materials." Materials & Design 30, no. 5:1667-1673. PNNL-SA-61841.
  • Stephens E.V., J.S. Vetrano, B.J. Koeppel, Y.S. Chou, X. Sun, and M.A. Khaleel. 2009. "Experimental characterization of glass-ceramic seal properties and their constitutive implementation in solid oxide fuel cell stack models." Journal of Power Sources 193, no. 2:625-631. PNNL-SA-62542.

2008

  • Koeppel B.J., J.S. Vetrano, B.N. Nguyen, X. Sun, and M.A. Khaleel. 2008. "MECHANICAL PROPERTY CHARACTERIZATIONS AND PERFORMANCE MODELING OF SOFC SEALS." In Advances in Solid Oxide Fuel Cells II: Ceramic Engineering and Science Proceedings, 27, 325-335. New York, New York:Wiley Interscience. PNNL-SA-47961. doi:10.1002/9780470291337.ch32
  • Liu W.N., X. Sun, B.J. Koeppel, and M.A. Khaleel. 2008. "Experimental Study of Effect of Aging and Self-healing Behavior of Glass/Ceramic Sealant on Glass/Ceramic Sealant Used in SOFC." In Materials Science & Technology 2008 Conference and Exhibition: MS&T '08: October 5-9, 2008, Pittsburgh, Pennsylvania, 380-389. Pittsburgh, Pennsylvania:Proceedings on Materials Science and Technology (MS&T) 2008. PNNL-SA-60964.
  • Weil K.S., and B.J. Koeppel. 2008. "Comparative Finite Element Analysis of the Stress-Strain States in Three Different Bonded Solid Oxide Fuel Cell Seal Designs." Journal of Power Sources 180, no. 1:343-353. PNNL-SA-55878.

2007

  • Adkins H.E., B.J. Koeppel, and J.M. Cuta. 2007. Spent Fuel Transportation Cask Response to the Caldecott Tunnel Fire Scenario. NUREG/CR-6894 Rev1; PNNL-15346. Richland, WA: Pacific Northwest National Laboratory.
  • Recknagle K.P., B.J. Koeppel, X. Sun, M.A. Khaleel, S.T. Yokuda, and P. Singh. 2007. "Analysis of Percent On-Cell Reformation of Methane in SOFC Stacks and the Effects on Thermal, Electrical, and Mechanical Performance." ECS Transactions 5, no. 1:473-480. PNNL-SA-53556.
  • Shah M.J., N.A. Klymyshyn, H.E. Adkins, and B.J. Koeppel. 2007. "HI-STAR 100 Spent Fuel Transport Cask Analytical Evaluation for Drop Events." Packaging, Transport, Storage and Security of Radioactive Material 18, no. 1:3-9. PNNL-SA-54365.
  • Shah M.J., N.A. Klymyshyn, H.E. Adkins, and B.J. Koeppel. 2007. "TN-68 Spent Fuel Transport Cask Analytical Evaluation for Drop Events." Packaging, Transport, Storage and Security of Radioactive Material 18. PNNL-SA-54285.

2006

  • Adkins H.E., J.M. Cuta, B.J. Koeppel, A.D. Guzman, and C.S. Bajwa. 2006. Spent Fuel Transportation Package Response to the Baltimore Tunnel Fire Scenario. NUREG-CR-6886 Rev.1; PNNL-15313. Richland, WA: Pacific Northwest National Laboratory.
  • Nguyen B.N., B.J. Koeppel, and M.A. Khaleel. 2006. "A SMALL-SCALE DAMAGE APPROACH TO PREDICT FATIGUE CRACK GROWTH IN CERAMIC MATERIALS." In Fatigue 2006: 9th International Fatigue Congress, paper no. FT555. Oxford:Elsevier. PNNL-SA-48805.
  • Nguyen B.N., B.J. Koeppel, J.S. Vetrano, and M.A. Khaleel. 2006. "On the Nonlinear Behavior of a Glass-Ceramic Seal and its Application in Planar SOFC Systems." In Proceedings of 4th International ASME Conference on Fuel Cell Science, Engineering and Technology, FUELCELL2006, Jun 19-21 2006, Irvine, CA, United States, 6 pages. New York, New York:American Society of Mechanical Engineers. PNNL-SA-47886.
  • Nguyen B.N., B.J. Koeppel, S. Ahzi, M.A. Khaleel, and P. Singh. 2006. "Crack Growth in Solid Oxide Fuel Cell Materials: From Discrete to Continuum Damage Modeling." Journal of the American Ceramic Society 89, no. 4:1358. PNNL-SA-43900. doi:10.1111/j.1551-2916.2005.00874.x
  • Weil K.S., J.S. Hardy, and B.J. Koeppel. 2006. "New sealing concept for planar solid oxide fuel cells." Journal of Materials Engineering and Performance 15, no. 4:427-432. PNNL-SA-49419.
  • Weil K.S., J.S. Hardy, and B.J. Koeppel. 2006. "New Sealing Concept for Planar Solid Oxide Fuel Cells." Journal of Materials Engineering and Performance 15, no. 4:427-432. PNNL-SA-50955.

2005

  • Koeppel B.J., and K.S. Weil. 2005. "FINITE ELEMENT ANALYSIS OF THE BONDED COMPLIANT SEAL DESIGN - A NEW SEALING CONCEPT FOR USE IN PLANAR SOLID OXIDE FUEL CELLS." In Presented at 29th Int'l Conf on Advanced Ceramics & Composites held in Cocoa Bearch, FL, Jan. 23-28, 2005, published in Advances in Solid Oxide Fuel Cells, edited by Narottam P. Bansal, 227-237. Westerville, Ohio:The American Ceramic Society. PNNL-SA-45284.
  • Weil K.S., B.J. Koeppel, and J.S. Hardy. 2005. "A New Sealing Concept for Planar Solid Oxide Fuel Cells." In Joining of Advanced and Specialty Materials VII: Proceedings from Materials Solutions October 18-20, 2004, Columbus, Ohio, 148-155. Materials Park, Ohio:ASM International. PNNL-SA-43095.

2004

  • Adkins H.E., B.J. Koeppel, and D.T. Tang. 2004. "Spent Nuclear Fuel Structural Response when Subject to an End Impact Accident." In 2004 American Society of Mechanical Engineers, Pressure Vessels & Piping Division, 483, 207-214. New York, New York:American Society of Mechanical Engineers. PNNL-SA-41214.
  • Nguyen B.N., B.J. Koeppel, P. Singh, M.A. Khaleel, and S. Ahzi. 2004. "Numerical Characteriztion of the Fracture Behavior of Solid Oxide Fuel Cell Materials by Means of Modified Boundary Layer Modeling." In 28th International Conference and Exposition on Advanced Ceramics and Composites, 25-30 Jan. 2004, Cocoa Beach, FL, USA. Published in: Ceramic Engineering and Science Proceedings, edited by E. Lara-Curzio, M. J. Readey, 25, 393-399. Westerville, Ohio:The American Ceramic Society. PNNL-SA-40285.

Experimental and Computational Engineering

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