Publications

Louie, M.S., Heo, Y., & Ehrhart, B.D. (2024). Quantitative Risk Assessment for Hydrogen-Powered Locomotive Refueling. 10.2172/2463036

Louie, M.S., & Ehrhart, B.D. (2024). Quantitative risk assessment examples for underground hydrogen storage facilities. 10.2172/2372618

Ehrhart, B.D., Hartmann, K., Barilo, N., Dalton, A., Buttner, W., & Martens, L. (2024). Beta-Release of Hydrogen Safety Codes and Standards Applicability Navigator (HySCAN) Informational Tool [Conference Presentation]. 10.2172/2565173

Louie, M.S., Ehrhart, B.D., & Brooks, D.M. (2024). Updated Filter Leak Frequencies for Use in Risk Assessments. 10.2172/2369634

Louie, M.S., & Ehrhart, B.D. (2024). Regulations, Codes, and Standards Review for Underground Hydrogen Storage. 10.2172/2369636

Ehrhart, B.D., Hecht, E.S., Schroeder, B.B., Groth, K.M., Reynolds, J.T., Blaylock, M.L., & Carrier, E.E. (2023). Hydrogen Plus Other Alternative Fuels Risk Assessment Models (HyRAM+) Version 5.1 Technical Reference Manual. 10.2172/2369637

Contreras, R.I., Ehrhart, B.D., Groth, K.M., Zumwalt, H.R., Clark, A.J., Sena, E., Muna, A.B., & Feliciano, G. (2023). HyRAM+ Version 5.0 User Guide. 10.2172/2369638

Ehrhart, B.D., Schroeder, B.B., & Hecht, E.S. (2023). Risk Sensitivity Study as the Basis for Risk-Informed Consequence-Based Setback Distances for Liquid Hydrogen Storage Systems [Conference Proceeding]. https://www.osti.gov/biblio/2431631

Hecht, E.S., Ehrhart, B.D., & Schroeder, B.B. (2023). Methodology for consequence-based setback distance calculations for bulk liquid hydrogen storage systems [Conference Proceeding]. https://www.osti.gov/biblio/2431618

Brooks, D.M., & Ehrhart, B.D. (2023). LPG Component Leak Frequency Estimation. 10.2172/2369639

Vyazmina, E., Chang, R., Phillips, L., de Reals, G., Quesnel, S., Truchot, B., Hocquet, J., Torrado Beltran, D., Runefors, M., & Ehrhart, B.D. (2023). IEA TCP Task 43- Subtask Safety Distances: State of the Art [Conference Presentation]. 10.2172/2431349

Ehrhart, B.D., Hecht, E.S., & Schroeder, B.B. (2023). Technical Justifications for Liquid Hydrogen Exposure Distances. 10.2172/2369640

Ahluwalia, R.K., Roh, H.S., Peng, J.K., Papadias, D.D., Baird, A.R., Hecht, E.S., Ehrhart, B.D., Muna, A.B., Ronevich, J., Houchins, C., Killingsworth, N.J., & Aceves, S.M. (2023). Liquid hydrogen storage system for heavy duty trucks: Configuration, performance, cost, and safety. International Journal of Hydrogen Energy, 48(35). 10.1016/j.ijhydene.2022.12.152

Ehrhart, B.D., Hecht, E.S., Groth, K.M., Reynolds, J.T., Blaylock, M.L., & Carrier, E.E. (2022). Hydrogen Plus Other Alternative Fuels Risk Assessment Models (HyRAM+) Version 5.0 Technical Reference Manual. 10.2172/1900089

Brooks, D.M., Glover, A.M., & Ehrhart, B.D. (2022). Compressed Natural Gas Component Leak Frequency Estimation. 10.2172/1892133

Hecht, E.S., Ehrhart, B.D., Schroeder, B.B., Lafleur, A., Farese, D., Miller, D., Drube, T., & Trivedi, M. (2022). Basis for Updated Bulk Liquid Hydrogen Separation Distances in NFPA 2 [Conference Presentation]. 10.2172/2004745

Ehrhart, B.D., Hecht, E.S., & Schroeder, B.B. (2022). Setback Distances for Liquefied Hydrogen Stations [Conference Presentation]. 10.2172/2004523

Baird, A.R., Hecht, E.S., Ehrhart, B.D., & Muna, A.B. (2022). Liquid Hydrogen Heavy-Duty Vehicle Safety Review and Refueling Facility Design. 10.2172/1885100

Ehrhart, B.D., Schroeder, B.B., & Hecht, E.S. (2022). Quantitative Risk Assessment Sensitivity Study as the Basis for Risk-Informed Consequence-Based Setback Distance Requirements for Liquid Hydrogen Storage Systems [Conference Presentation]. 10.2172/2003757

Glover, A.M., Lafleur, A., & Ehrhart, B.D. (2022). Report on General Hydrogen Safety. 10.2172/1870559

Ehrhart, B.D., Hecht, E.S., Groth, K.M., Reynolds, J.T., Blaylock, M.L., & Carrier, E.E. (2022). Hydrogen Plus Other Alternative Fuels Risk Assessment Models (HyRAM+) Version 4.1 Technical Reference Manual. 10.2172/1865723

Glover, A.M., Ehrhart, B.D., Muna, A.B., Hecht, E.S., Bernard, L., Houssin, D., Jallais, S., & Vyazmina, E. (2021). Benchmark Comparison of HyRAM and ALDEA Software for Hydrogen Release Behavior. 10.2172/1880411

Hecht, E.S., Ehrhart, B.D., Groth, K.M., Reynolds, J.T., Blaylock, M.L., & Carrier, E.E. (2021). Hydrogen Plus Other Alternative Fuels Risk Assessment Models (HyRAM+) (Technical Reference Manual V.4). 10.2172/1832082

Ehrhart, B.D., Bran Anleu, G.A., Mohmand, J.A., Baird, A.R., & Klebanoff, L.E. (2021). Refueling Infrastructure Scoping and Feasibility Assessment for Hydrogen Rail Applications. 10.2172/1825638

Lafleur, A., Brooks, D.M., Ehrhart, B.D., & Mulcahy, G. (2021). Development of Leak Frequencies Using a Bayesian Update Process [Conference Presentation]. 10.2172/1895262

Schroeder, B.B., Ehrhart, B.D., Lafleur, A., Hecht, E.S., Glover, A.M., Baird, A.R., Mohmand, J.A., Blaylock, M.L., Bran Anleu, G.A., Klebanoff, L.E., & Markt, C. (2021). Insights from Sandia?s Hydrogen Projects [Presentation]. https://www.osti.gov/biblio/1886166

Schroeder, B.B., Ehrhart, B.D., Lafleur, A., Hecht, E.S., Glover, A.M., Baird, A.R., Mohmand, J.A., Markt, C., Klebanoff, L.E., Blaylock, M.L., Brooks, D.M., Bran Anleu, G.A., & Ronevich, J. (2021). Safety Issues in Handling and Use of Hydrogen as a Fuel [Presentation]. https://www.osti.gov/biblio/1886193

Hecht, E.S., & Ehrhart, B.D. (2021). Analysis to support revised distance between bulk liquid hydrogen systems and exposures [Conference Presentation]. 10.2172/1887724

Brooks, D.M., Ehrhart, B.D., & Lafleur, A. (2021). Development of Liquid Hydrogen Leak Frequencies Using a Bayesian Update Process [Conference Presentation]. 10.2172/1889604

Baird, A.R., Glover, A.M., & Ehrhart, B.D. (2021). Review of Release Behavior of Hydrogen & Natural Gas Blends from Pipelines. 10.2172/1817836

Bueno, A., Brooks, D.M., & Ehrhart, B.D. (2021). Assessment of Leak Frequencies in Compressed Natural Gas Systems [Presentation]. https://www.osti.gov/biblio/1881648

Hecht, E.S., & Ehrhart, B.D. (2021). Analysis to support revised distances between bulk liquid hydrogen systems and exposures [Conference Paper]. https://www.osti.gov/biblio/1875028

Brooks, D.M., Ehrhart, B.D., & Lafleur, A. (2021). Development of Liquid Hydrogen Leak Frequencies Using a Bayesian Update Process [Conference Paper]. https://www.osti.gov/biblio/1875383

Ehrhart, B.D., Bran Anleu, G.A., Mohmand, J.A., Klebanoff, L.E., & Baird, A.R. (2021). Current Efforts in Hydrogen for Rail [Conference Presentation]. 10.2172/1874683

Ehrhart, B.D., Hecht, E.S., & Mohmand, J.A. (2021). Validation and Comparison of HyRAM Physics Models. 10.2172/1813659

Hecht, E.S., & Ehrhart, B.D. (2021). Updated Justification for LH2 Exposure Distance Proposal [Presentation]. https://www.osti.gov/biblio/1869534

Ehrhart, B.D., Baird, A.R., Glover, A.M., & Lafleur, A. (2021). Increasing Federal Coordination for Oversight of Hydrogen Systems [Presentation]. https://www.osti.gov/biblio/1869540

Ehrhart, B.D., Hecht, E.S., Groth, K., Reynolds, J.T., Blaylock, M.L., & Carrier, E.E. (2021). Hydrogen Risk Assessment Models (HyRAM) (V.3.1) (Technical Reference Manual). 10.2172/1784842

Ehrhart, B.D., Hecht, E.S., Mohmand, J.A., & Lafleur, A. (2021). Update on Recent Efforts for the HyRAM Toolkit [Presentation]. https://www.osti.gov/biblio/1868175

Mulcahy, G.W., Brooks, D.M., & Ehrhart, B.D. (2021). Using Bayesian Methodology to Estimate Liquefied Natural Gas Leak Frequencies. 10.2172/1782412

Ehrhart, B.D. (2021). Trade-Offs and Current Efforts in Hydrogen for Rail [Presentation]. https://www.osti.gov/biblio/1863333

Ehrhart, B.D., Baird, A.R., Glover, A.M., & Lafleur, A. (2021). Overview of Federal Regulations for Hydrogen Technologies in the U.S [Presentation]. https://www.osti.gov/biblio/1866045

Ehrhart, B.D., Bran Anleu, G.A., Mohmand, J.A., Klebanoff, L.E., & Baird, A.R. (2021). Rail Refueling Analysis [Presentation]. https://www.osti.gov/biblio/1863498

Ehrhart, B.D., Lafleur, A., Hecht, E.S., Glover, A.M., Baird, A.R., Mohmand, J.A., Sims, C., & Blaylock, M.L. (2021). Hydrogen Quantitative Risk Assessment [Presentation]. https://www.osti.gov/biblio/1863518

Ehrhart, B.D. (2021). HyRAM Risk Calculation Overview [Presentation]. https://www.osti.gov/biblio/1855710

Baird, A.R., Ehrhart, B.D., Glover, A.M., & Lafleur, A. (2021). Federal Oversight of Hydrogen Systems. 10.2172/1773235

Ehrhart, B.D. (2021). Past Examples and Current Efforts in Hydrogen for Rail [Presentation]. https://www.osti.gov/biblio/1883537

Ehrhart, B.D., Klebanoff, L.E., Mohmand, J.A., & Markt, C. (2021). Study of Hydrogen Fuel Cell Technology for Freight Rail Propulsion and Review of Relevant Industry Standards. 10.2172/1772297

Ehrhart, B.D. (2020). Hydrogen Leak Frequency Distribution Estimation [Presentation]. https://www.osti.gov/biblio/1843105

Ehrhart, B.D., Harris, S.R., Blaylock, M.L., Muna, A.B., & Quong, S. (2020). Risk assessment and ventilation modeling for hydrogen releases in vehicle repair garages. International Journal of Hydrogen Energy, 46(23). 10.1016/j.ijhydene.2020.09.155