Nils Hansen

Manager, R&D Science and Engineering

Author profile picture

Manager, R&D Science and Engineering

nhansen@sandia.gov

(925) 294-6272

Biography

Nils Hansen, the Principal Investigator of the Flame Chemistry and Diagnostics Laboratory at the Combustion Research Facility has long specialized in the development of the tools to elucidate the chemistry occurring in flames. As organizer of the international Workshop on Flame Chemistry series, he has been an important part of the validation efforts of chemically accurate models, and regularly hosts international collaborators. Spanning the range from ignition chemistry to the chemistry of soot and aromatic precursors, Dr. Hansen uses a highly sensitive molecular beam mass spectrometer and a tandem mass spectrometer to reveal important chemical pathways. As a facility scientist, he adapts these tools for use in plasma systems where they would provide much-needed validation of plasma chemistry reaction sets.

Research Interests

Interrogation of chemistries in reactive environments using high-resolution mass spectroscopy.

Education

Nils Hansen received his PhD in Physical Chemistry at the Christian-Albrechts-University of Kiel, Germany, under the guidance of Prof. F. Temps. Before joining Sandia, Nils worked with Prof. A. M. Wodtke as a postdoctoral researcher at the University of California, Santa Barbara, and as a staff member at the BASF AG, Ludwigshafen, Germany. 

Publications

  • Buras, Z., Hansen, N., Taatjes, C.A., Sheps, L., & Sheps, L. (2022). Prospects and Limitations of Predicting Fuel Ignition Properties from Low-Temperature Speciation Data. Energy and Fuels, 36(6), pp. 3229-3238. https://doi.org/10.1021/acs.energyfuels.1c03342 Publication ID: 80510
  • Couch, D.E., Zhang, A.J., Taatjes, C.A., Hansen, N., & Hansen, N. (2021). Experimental Observation of Hydrocarbon Growth by Resonance-Stabilized Radical–Radical Chain Reaction. Angewandte Chemie – International Edition, 60(52), pp. 27230-27235. https://doi.org/10.1002/ange.202110929 Publication ID: 76135
  • Zhou, B., Huang, E., Almeida, R., Gurses, S., Kronawitter, C., Kulkarni, A., Zetterberg, J., Osborn, D., Hansen, N., Frank, J., & Frank, J. (2021). Imaging the gas phase above a reacting surface: partial oxidation of methanol catalyzed by silver [Conference Presenation]. https://doi.org/10.2172/1905696 Publication ID: 77157
  • Fan, X., Sun, W., Gao, Y., Hansen, N., Chen, B., Pitsch, H., Yang, B., & Yang, B. (2021). Chemical insights into the multi-regime low-temperature oxidation of di-n-propyl ether: Jet-stirred reactor experiments and kinetic modeling. Combustion and Flame, 233. https://doi.org/10.1016/j.combustflame.2021.111592 Publication ID: 79487
  • Sickafoose, S., Bentz, B., Frank, J., Hansen, N., Hopkins, M., Kliewer, C.J., Lietz, A., van den Bekerom, D., & van den Bekerom, D. (2021). SNL Plasma Research Facility (PRF) [Conference Presenation]. https://www.osti.gov/biblio/1890894 Publication ID: 76086
  • Sickafoose, S., Bentz, B., Frank, J., Hansen, N., Hopkins, M., Kliewer, C.J., Lietz, A., van den Bekerom, D., & van den Bekerom, D. (2021). Sandia National Laboratories Plasma Research Facility [Presentation]. https://www.osti.gov/biblio/1887347 Publication ID: 75651
  • Sheps, L., Osborn, D., Hansen, N., & Hansen, N. (2021). A New Approach to Fundamental Mechanism Discovery in Polymer Upcycling. https://doi.org/10.2172/1821555 Publication ID: 75826
  • Sickafoose, S., Bentz, B., Frank, J., Hansen, N., Hopkins, M., Kliewer, C.J., Lietz, A., van den Bekerom, D., & van den Bekerom, D. (2021). SNL Plasma Research Facility [Presentation]. https://www.osti.gov/biblio/1888656 Publication ID: 75840
  • Sickafoose, S., Bentz, B., Frank, J., Hansen, N., Hopkins, M., Kliewer, C.J., Lietz, A., van den Bekerom, D., & van den Bekerom, D. (2021). SNL Plasma Research Facility (PRF) [Conference Presenation]. https://doi.org/10.2172/1890881 Publication ID: 75935
  • Hansen, N. (2021). Isomer-Resolved Probing of Complex Systems of Reactions: Opportunities for Diagnostics Development [Presentation]. https://www.osti.gov/biblio/1876585 Publication ID: 79113
  • Osborn, D., Zhou, B., Huang, E., Almeida, R., Gurses, S., Ungar, A., Zetterberg, J., Kulkarni, A., Kronawitter, C., Hansen, N., Frank, J., Samanta, B., Fernando, R., Roesch, D., Reisler, H., & Reisler, H. (2021). Imaging the Near-Surface Gas Phase: A New Approach to Coupled Gas-Surface Chemistry [Conference Presenation]. https://doi.org/10.2172/1871428 Publication ID: 78717
  • Manin, J., Hansen, N., Sjoberg, C., Nguyen, T.M., Wan, K., Kukkadapu, G., Killingsworth, N., Pitz, W., & Pitz, W. (2021). Soot Modeling and Experiments [Presentation]. https://www.osti.gov/biblio/1869237 Publication ID: 78511
  • Hansen, N. (2021). Ozone-initiated oxidation at extreme low-temperatures [Presentation]. https://www.osti.gov/biblio/1869541 Publication ID: 78543
  • Hansen, N., Kukkadapu, G., Chen, B., Dong, S., Curran, H.J., Taatjes, C.A., Eskola, A.J., Osborn, D.L., Sheps, L., Pitz, W.J., Moshammer, K., Jasper, A.W., Chen, W., Yang, J., Wang, Z., & Wang, Z. (2021). The impact of the third O2addition reaction network on ignition delay times of neo-pentane [Conference Presenation]. Proceedings of the Combustion Institute. https://doi.org/10.2172/1837149 Publication ID: 72319
  • Fritz, S.M., Mishra, P., Wullenkord, J., Fugazzi, P.G., Kohse-Höinghaus, K., Zwier, T.S., Hansen, N., & Hansen, N. (2021). Detecting combustion intermediates via broadband chirped-pulse microwave spectroscopy [Conference Presenation]. Proceedings of the Combustion Institute. https://doi.org/10.2172/1837345 Publication ID: 72322
  • Zhou, B., Huang, E., Almeida, R., Gurses, S., Ungar, A., Zetterberg, J., Kulkarni, A., Kronawitter, C.X., Osborn, D., Hansen, N., Frank, J., & Frank, J. (2021). Near-Surface Imaging of the Multicomponent Gas Phase above a Silver Catalyst during Partial Oxidation of Methanol. ACS Catalysis, 11(1), pp. 155-168. https://doi.org/10.1021/acscatal.0c04396 Publication ID: 77546
  • Buras, Z., Hansen, N., Lopez Pintor, D., Sheps, L., Taatjes, C.A., & Taatjes, C.A. (2020). Correlating Ignition Properties with Critical Species Concentrations [Conference Poster]. https://www.osti.gov/biblio/1813284 Publication ID: 74473
  • Hansen, N. (2020). Exploring Combustion Processes in Laboratory-Scale Model Flames [Presentation]. https://www.osti.gov/biblio/1814699 Publication ID: 74623
  • Adamson, B.A., Skeen, S.A., Ahmed, M., Hansen, N., & Hansen, N. (2020). Nucleation of soot: Experimental assessment of the role of polycyclic aromatic hydrocarbon (PAH) dimers. Zeitschrift fur Physikalische Chemie, 234(7-9), pp. 1295-1310. https://doi.org/10.1515/zpch-2020-1638 Publication ID: 73483
  • Liao, H., Kang, S., Hansen, N., Zhang, F., Yang, B., & Yang, B. (2020). Influence of ozone addition on the low-temperature oxidation of dimethyl ether in a jet-stirred reactor. Combustion and Flame, 214, pp. 277-286. https://doi.org/10.1016/j.combustflame.2019.12.036 Publication ID: 73868
  • Baroncelli, M., Mao, Q., Galle, S., Hansen, N., Pitsch, H., & Pitsch, H. (2020). Role of ring-enlargement reactions in the formation of aromatic hydrocarbons. Physical Chemistry Chemical Physics, 22(8), pp. 4699-4714. https://doi.org/10.1039/c9cp05854k Publication ID: 73859
  • Schmitt, S., Wick, M., Wouters, C., Ruwe, L., Graf, I., Andert, J., Hansen, N., Pischinger, S., Kohse-Höinghaus, K., & Kohse-Höinghaus, K. (2020). Effects of water addition on the combustion of iso-octane investigated in laminar flames, low-temperature reactors, and an HCCI engine. Combustion and Flame, 212, pp. 433-447. https://doi.org/10.1016/j.combustflame.2019.11.023 Publication ID: 66371
  • León, L., Ruwe, L., Moshammer, K., Seidel, L., Shrestha, K.P., Wang, X., Mauss, F., Kohse-Höinghaus, K., Hansen, N., & Hansen, N. (2019). Chemical insights into the larger sooting tendency of 2-methyl-2-butene compared to n-pentane. Combustion and Flame, 208, pp. 182-197. https://doi.org/10.1016/j.combustflame.2019.06.029 Publication ID: 68479
  • Hansen, N., Moshammer, K., Jasper, A.W., & Jasper, A.W. (2019). Isomer-Selective Detection of Keto-Hydroperoxides in the Low-Temperature Oxidation of Tetrahydrofuran. Journal of Physical Chemistry A, 123(38), pp. 8274-8284. https://doi.org/10.1021/acs.jpca.9b07017 Publication ID: 64599
  • Ruwe, L., Cai, L., Moshammer, K., Hansen, N., Pitsch, H., Kohse–Höinghaus, K., & Kohse–Höinghaus, K. (2019). The C5 chemistry preceding the formation of polycyclic aromatic hydrocarbons in a premixed 1-pentene flame. Combustion and Flame, 206, pp. 411-423. https://doi.org/10.1016/j.combustflame.2019.05.013 Publication ID: 68478
  • Osborn, D., Frank, J., Hansen, N., Kulkarni, A., Kronawitter, C., gates, B., & gates, B. (2019). Coupled Gas-Surface Chemistry: New Tools for Discovery Science [Conference Poster]. https://www.osti.gov/biblio/1641664 Publication ID: 70513
  • Wang, Z., Herbinet, O., Hansen, N., Battin-Leclerc, F., & Battin-Leclerc, F. (2019). Exploring hydroperoxides in combustion: History, recent advances and perspectives. Progress in Energy and Combustion Science, 73, pp. 132-181. https://doi.org/10.1016/j.pecs.2019.02.003 Publication ID: 58938
  • Hansen, N. (2019). The Chemistry of Soot Formation [Conference Poster]. https://www.osti.gov/biblio/1641127 Publication ID: 69683
  • Baroncelli, M., Felsmann, D., Hansen, N., Pitsch, H., & Pitsch, H. (2019). Investigating the effect of oxy-fuel combustion and light coal volatiles interaction: A mass spectrometric study. Combustion and Flame, 204, pp. 320-330. https://doi.org/10.1016/j.combustflame.2019.03.017 Publication ID: 58941
  • Hansen, N. (2019). The Criegee Intermediate Reaction Network in Ethylene Ozonolysis [Conference Poster]. https://www.osti.gov/biblio/1640923 Publication ID: 69349
  • Hansen, N. (2019). Isomer-Resolved Probing of Complex Systems of Reactions [Presentation]. https://www.osti.gov/biblio/1877835 Publication ID: 68480
  • Chen, B., Wang, H., Wang, Z., Han, J., Alquaity, A.B.S., Wang, H., Hansen, N., Sarathy, S.M., & Sarathy, S.M. (2019). Ion chemistry in premixed rich methane flames. Combustion and Flame, 202, pp. 208-218. https://doi.org/10.1016/j.combustflame.2019.01.009 Publication ID: 64357
  • Hansen, N. (2019). Isomer-Resolved Probing of Complex Systems of Reactions [Conference Poster]. https://www.osti.gov/biblio/1890366 Publication ID: 64516
  • Rousso, A.C., Hansen, N., Jasper, A.W., Ju, Y., & Ju, Y. (2019). Identification of the Criegee intermediate reaction network in ethylene ozonolysis: Impact on energy conversion strategies and atmospheric chemistry. Physical Chemistry Chemical Physics, 21(14), pp. 7341-7357. https://doi.org/10.1039/c9cp00473d Publication ID: 67206
  • Hansen, N. (2018). Isomer-Resolved Probing of Complex Systems of Reactions [Conference Poster]. https://www.osti.gov/biblio/1882501 Publication ID: 63289
  • Ruwe, L., Moshammer, K., Hansen, N., Kohse-Höinghaus, K., & Kohse-Höinghaus, K. (2018). Influences of the molecular fuel structure on combustion reactions towards soot precursors in selected alkane and alkene flames. Physical Chemistry Chemical Physics, 20(16), pp. 10780-10795. https://doi.org/10.1039/C7CP07743B Publication ID: 58940
  • Ekoto, I., Wolk, B.M., Northrop, W.F., Hansen, N., Moshammer, K., & Moshammer, K. (2017). Tailoring Charge Reactivity Using In-Cylinder Generated Reformate for Gasoline Compression Ignition Strategies. Journal of Engineering for Gas Turbines and Power, 139(12). https://doi.org/10.1115/1.4037207 Publication ID: 63965
  • Hansen, N. (2017). Isomer-Resolved Proving of Oxidation and Ignition Chemistry [Conference Poster]. https://www.osti.gov/biblio/1510917 Publication ID: 54101
  • Wang, Z., Chen, B., Moshammer, K., Popolan-Vaida, D.M., Sioud, S., Shankar, V.B., Vuilleumier, D., Tao, T., Ruwe, L., Bräuer, E., Hansen, N., Dagaut, P., Kohse-Höinghaus, K., Raji, M.A., Sarathy, S.M., & Sarathy, S.M. (2017). n-Heptane cool flame chemistry: Unraveling intermediate species measured in a stirred reactor and motored engine. 11th Asia-Pacific Conference on Combustion, ASPACC 2017, 2017-December. https://doi.org/10.1016/j.combustflame.2017.09.003 Publication ID: 58937
  • Moshammer, K., Jasper, A.W., Popolan-Vaida, D.M., Wang, Z., Bhavani Shankar, V.S., Ruwe, L., Taatjes, C.A., Dagaut, P., Hansen, N., & Hansen, N. (2016). Quantification of the Keto-Hydroperoxide (HOOCH2OCHO) and Other Elusive Intermediates during Low-Temperature Oxidation of Dimethyl Ether. Journal of Physical Chemistry A, 120(40), pp. 7890-7901. https://doi.org/10.1021/acs.jpca.6b06634 Publication ID: 58942
  • Moshammer, K., Seidel, L., Wang, Y., Selim, H., Sarathy, S., Mauss, F., Hansen, N., & Hansen, N. (2016). Aromatic ring formation in opposed-flow diffusive 13‑butadiene flames [Conference Poster]. https://www.osti.gov/biblio/1373225 Publication ID: 51364
  • Moshammer, K., Jasper, A.W., Hansen, N., & Hansen, N. (2016). Advancing kinetic mechanisms for low-temperature combustion through the detection of highly elusive intermediates [Conference Poster]. https://www.osti.gov/biblio/1365206 Publication ID: 49514
  • Wang, Z., Zhang, L., Moshammer, K., Popolan-Vaida, D.M., Shankar, V.S.B., Lucassen, A., Hemken, C., Taatjes, C.A., Leone, S.R., Kohse-Höinghaus, K., Hansen, N., Dagaut, P., Sarathy, S.M., & Sarathy, S.M. (2016). Additional chain-branching pathways in the low-temperature oxidation of branched alkanes. Combustion and Flame, 164, pp. 386-396. https://doi.org/10.1016/j.combustflame.2015.11.035 Publication ID: 50854
  • Ekoto, I., Skeen, S., Steeper, R.R., Hansen, N., & Hansen, N. (2015). Detailed Characterization of Negative Valve Overlap Chemistry by Photoionization Mass Spectroscopy [Conference Poster]. SAE International Journal of Engines. https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=85011997718&origin=inward Publication ID: 43534
  • Moshammer, K., Jasper, A.W., Popolan-Vaida, D., Lucassen, A., Dievart, P., Selim, H., Eskola, A., Taatjes, C.A., Sarathy, S., Ju, Y., Dagaut, P., Kohse-Hoinghaus, K., Hansen, N., & Hansen, N. (2015). Advanced insights in low-temperature oxidation of dimethyl ether ? a theoretical and experimental approach [Conference Poster]. https://www.osti.gov/biblio/1255790 Publication ID: 43703
  • Moshammer, K., Jasper, A.W., Hansen, N., & Hansen, N. (2015). Advanced insights in low-temperature oxidation of dimethyl ether ? an experimental and theoretical approach [Conference Poster]. https://www.osti.gov/biblio/1249172 Publication ID: 43139
  • Moshammer, K., Jasper, A.W., Popolan-Vaida, D., Lucassen, A., Dievart, P., Selim, H., Eskola, A., Taatjes, C.A., Leone, S., Sarathy, S., Ju, Y., Dagaut, P., Kohse-Hoinghaus, K., Hansen, N., & Hansen, N. (2015). Detection and Identification of the Keto-Hydroperoxide (HOOCH 2 OCHO) and Other Intermediates during Low-Temperature Oxidation of Dimethyl Ether. Journal of Physical Chemistry. A, Molecules, Spectroscopy, Kinetics, Environment, and General Theory, 119(28), pp. 7361-7374. https://doi.org/10.1021/acs.jpca.5b00101 Publication ID: 80713
  • Hansen, N., Braun-Unkhoff, M., Kathrotia, T., Lucassen, A., Yang, B., & Yang, B. (2015). Understanding the reaction pathways in premixed flames fueled by blends of 1,3-butadiene and n-butanol [Conference]. Proceedings of the Combustion Institute. https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=84937119939&origin=inward Publication ID: 31831
  • Nawdiyal, A., Hansen, N., Zeuch, T., Seidel, L., Mauß, F., & Mauß, F. (2015). Experimental and modelling study of speciation and benzene formation pathways in premixed 1-hexene flames [Conference]. Proceedings of the Combustion Institute. https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=84937629029&origin=inward Publication ID: 31833
  • Lucassen, A., Park, S., Hansen, N., Sarathy, S.M., & Sarathy, S.M. (2015). Combustion chemistry of alcohols: Experimental and modeled structure of a premixed 2-methylbutanol flame [Conference]. Proceedings of the Combustion Institute. https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=84937144735&origin=inward Publication ID: 31842
  • Johansson, K.O., Lai, J.Y.W., Skeen, S., Popolan-Vaida, D.M., Wilson, K.R., Hansen, N., Violi, A., Michelsen, H.A., & Michelsen, H.A. (2015). Soot precursor formation and limitations of the stabilomer grid [Conference Poster]. Proceedings of the Combustion Institute. https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=84964194344&origin=inward Publication ID: 38544
  • Lucassen, A., Hansen, N., Park, S., Sarathy, M., & Sarathy, M. (2014). Combustion Chemistry of Next-Generation Biofuels: [Presentation]. https://www.osti.gov/biblio/1497461 Publication ID: 37960
  • Hansen, N. (2014). CRF Webpages [Presentation]. https://www.osti.gov/biblio/1695602 Publication ID: 40411
  • Hansen, N. (2013). PAH Formation and Soot Morphology in Flames of C4 Fuels [Conference]. https://www.osti.gov/biblio/1122154 Publication ID: 31813
  • Hansen, N. (2013). Premixed Laminar Flames of Methyl Pentanoate and Methyl Hexanoate: An Experimental and Kinetic Modeling Study. Proceedings of the Combustion Institute. https://www.osti.gov/biblio/1122133 Publication ID: 31817
  • Johansson, K.O., Skeen, S., Hansen, N., Michelsen, H.A., & Michelsen, H.A. (2013). Soot Precursor Formation and Limitations of the Stabilomer Grid [Conference]. https://doi.org/10.1016/j.proci.2014.05.033 Publication ID: 31855
  • Hansen, N. (2013). Advances and challenges in experimental research of combustion chemistry in laminar flames. Progress in Energy and Combustion Science. https://www.osti.gov/biblio/1117737 Publication ID: 36571
  • Hansen, N. (2013). Opportunities for VUV FELs in Combustion Research [Conference]. https://www.osti.gov/biblio/1110392 Publication ID: 35640
  • Hansen, N. (2013). Predicting the Combustion Chemistry of Biofuels The High-Temperature Oxidation Chemistry of Butanol Isomers [Conference]. https://www.osti.gov/biblio/1110341 Publication ID: 35641
  • Hansen, N. (2013). Exploring Combustion Chemistry in Laboratory-Scale Model Flames From Biofuels to Soot Formation [Conference]. https://www.osti.gov/biblio/1110350 Publication ID: 35642
  • Hansen, N. (2013). Opportunities for VUV FELs in Combustion Research [Conference]. https://www.osti.gov/biblio/1108165 Publication ID: 35406
  • Hansen, N. (2013). Exploring Combustion Chemistry in Laboratory-Scale Model Flames: From Biofuels to Soot Formation [Conference]. https://www.osti.gov/biblio/1108189 Publication ID: 35411
  • Hansen, N. (2013). Predicting the combustion chemistry of biofuels: The high-temperature oxidation chemistry of butanol isomers [Conference]. https://www.osti.gov/biblio/1108175 Publication ID: 35412
  • Hansen, N., Skeen, S., Michelsen, H.A., & Michelsen, H.A. (2013). Flame Experiments at the Advanced Light Source: New Insights into Soot Formation Processes. Journal of Visualized Experiments. https://www.osti.gov/biblio/1143867 Publication ID: 34316
  • Hansen, N. (2013). Experimental Study of Dimethoxymethane and Dimethyl Carbonate Addition to Premixed Ethane/Oxygen/Argon Flame [Conference]. https://www.osti.gov/biblio/1069018 Publication ID: 32535
  • Hansen, N. (2013). Chemical Structures of Premixed iso-Butanol Flames [Conference]. https://www.osti.gov/biblio/1069071 Publication ID: 32537
  • Skeen, S., Hansen, N., & Hansen, N. (2013). Chemical kinetic modeling of low pressure methylcyclohexane flames [Conference]. https://www.osti.gov/biblio/1069040 Publication ID: 32538
  • Hansen, N. (2013). Exploring Combustion Chemistry in Laboratory-Scale Model Flames: From Biofuels to Soot Formation [Conference]. https://www.osti.gov/biblio/1062804 Publication ID: 32060
  • Skeen, S., Yang, B., Michelsen, H.A., Miller, J.A., Violi, A., Hansen, N., & Hansen, N. (2013). Studies of laminar opposed-flow diffusion flames of acetylene at low-pressures with photoionization mass spectrometry [Conference]. Proceedings of the Combustion Institute. https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=84877708995&origin=inward Publication ID: 25685
  • Lucassen, A., Warkentin, J., Hansen, N., Park, S., Sarathy, S.M., & Sarathy, S.M. (2013). Detailed analysis of iso-Pentanol combustion chemistry in flames [Conference]. 8th US National Combustion Meeting 2013. https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=84940223759&origin=inward Publication ID: 32536
  • Skeen, S., Schrader, P., Wilson, K., Hansen, N., Michelsen, H.A., & Michelsen, H.A. (2012). A combined laser induced incandescence, aerosol mass spectrometry, and scanning mobility particle sizing study of non-premixed ethylene flames [Conference]. CEUR Workshop Proceedings. https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=84891906027&origin=inward Publication ID: 27947
  • Hansen, N. (2012). Exploring Combustion Chemistry in Laboratory-Based Model Flames [Conference]. https://www.osti.gov/biblio/1062363 Publication ID: 30617
  • Skeen, S., Michelsen, H.A., Hansen, N., & Hansen, N. (2012). Near-Threshold Photoionization Mass Spectra of Combustion-Generated High-Molecular-Weight Soot Precursors. The Journal of Physical Chemistry Letters. https://www.osti.gov/biblio/1078665 Publication ID: 26903
  • Hansen, N. (2012). Flame Chemistry of tetrahydropyran as a model heteroatomic biofuel [Conference]. https://www.osti.gov/biblio/1078802 Publication ID: 25786
  • Jasper, A.W., Hansen, N., Hansen, N., & Hansen, N. (2012). Hydrogen-assisted isomerizations of fulvene to benzene and of larger cyclic aromatic hydrocarbons. Proceedings of the Combustion Institute. https://www.osti.gov/biblio/1078764 Publication ID: 25788
  • Hansen, N. (2012). Photoionization Mass Spectrometry and Modeling Study of Premixed Flames and Three Unsaturated C5H802 Esters. Proceedings of the Combustion Institute. https://www.osti.gov/biblio/1078769 Publication ID: 25804
  • Hansen, N., Michelsen, H.A., Skeen, S., & Skeen, S. (2011). Fragment-Free Mass Spectra of Combustion-Generated Soot-Particles. J. Phys. Chem. Lett.. https://www.osti.gov/biblio/1113312 Publication ID: 25641
  • Hansen, N. (2011). Exploring Formation Pathways of Aromatic Compounds in Laboratory-Based Model Flames of Aliphatic Fuels. %22Combustion, Explosion, and Shock Waves%22. https://www.osti.gov/biblio/1106292 Publication ID: 23983
  • Hansen, N. (2011). The Effect of Carbon-Carbon Double Bonds on the Combustion Chemistry of Small Fatty Acid Esters. %22Zeitschrift f&%23252r Physikalische Chemie%22 – ZPC. https://www.osti.gov/biblio/1106639 Publication ID: 23985
  • Jasper, A.W., Hansen, N., & Hansen, N. (2011). Identification of tetrahydrofuran reaction pathways in premixed flames. ZPC. https://www.osti.gov/biblio/1106770 Publication ID: 23986
  • Hansen, N., Osborn, D., Skeen, S., & Skeen, S. (2011). Absolute photoionization cross-sections of some combustion intermediates. %22International Journal of Mass Spectrometry%22. https://www.osti.gov/biblio/1106485 Publication ID: 23987
  • Hansen, N. (2011). High-Temperature Oxidation Chemistry of n-Butanol – Experiments in Low-Pressure Premixed Flames and Detailed Kinetic Modeling. Physical chemistry chemical physics, 13(45). https://doi.org/10.1039/c1cp21663e Publication ID: 22938
  • Hansen, N. (2011). Requirements for High-Resolution Mass Spectrometer [Presentation]. https://www.osti.gov/biblio/1671721 Publication ID: 21450
  • Hansen, N. (2010). Copy of Copy of Multiple Benzene-Formation Paths in a Fuel-Rich Cyclohexane Flame. Combustion and Flame. https://www.osti.gov/biblio/1141395 Publication ID: 20982
  • Hansen, N. (2010). Fuel-Structure Dependence of Benzene Formation Processes in Premixed Flames Fueled by C6H12 Isomers [Conference]. https://www.osti.gov/biblio/1124474 Publication ID: 17126
  • Hansen, N. (2008). Recent Contributions Of Flame-Sampling Molecular-Beam Mass Spectrometry To A Fundamental Understanding Of Combustion Chemistry [Conference]. https://www.osti.gov/biblio/1143217 Publication ID: 13970
  • Hansen, N. (2008). MBMS investigation of a laminar THF flame [Conference]. https://www.osti.gov/biblio/1145793 Publication ID: 13732
  • Hansen, N., Klippenstein, S.J., Westmoreland, P.R., Kasper, T., Kohse-Höinghaus, K., Wang, J., Cool, T.A., & Cool, T.A. (2008). A combined ab initio and photoionization mass spectrometric study of polyynes in fuel-rich flames [Conference]. Physical Chemistry Chemical Physics. https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=37849020532&origin=inward Publication ID: 11397
  • Hansen, N., Kasper, T., & Kasper, T. (2007). Opportunities and Issues in Chemical Analysis of Premixed Fuel-Rich Low-Pressure Flames of Hydrocarbon and Oxygenate Fuels using in situ Mass Spectrometry [Conference]. https://www.osti.gov/biblio/1146870 Publication ID: 11314
  • Taatjes, C.A., Hansen, N., Osborn, D., & Osborn, D. (2007). Imaging Combustion Chemistry via Multiplexed Synchrotron-Photoionization Mass Spectrometry. Physical Chemistry Chemical Physica. https://www.osti.gov/biblio/1147437 Publication ID: 11153
  • Hansen, N. (2007). A Combined ab initio and Photoionization Mass Spectrometric Study of Polyynes in Fuel-Rich Flames. %22Phys. Chem. Chem. Phys.%22. https://www.osti.gov/biblio/1147644 Publication ID: 10705
  • Hansen, N. (2007). Identification of Isomeric Flame Components by Rydberg Ionization Spectroscopy. Combustion and Flame. https://www.osti.gov/biblio/1148474 Publication ID: 9423
  • Hansen, N. (2007). Progress In The Understanding Of The Near-IR Sepectrum of 2E and 2II CCBr [Conference]. https://www.osti.gov/biblio/1267305 Publication ID: 9075
  • Hansen, N., Taatjes, C.A., & Taatjes, C.A. (2007). Fuel Consumption and Initial Steps of Aromatic Ring Formation in a Laminar Premixed Fuel-Rich Cyclopenene Flame [Conference]. https://www.osti.gov/biblio/1267100 Publication ID: 8856
  • Hansen, N., Miller, J., Taatjes, C.A., Wang, J., Cool, T.A., Law, M.E., Westmoreland, P.R., & Westmoreland, P.R. (2007). Photoionization mass spectrometric studies and modeling of fuel-rich allene and propyne flames [Conference]. Proceedings of the Combustion Institute. https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=34249808143&origin=inward Publication ID: 6353
  • Kohse-Höinghaus, K., Oßwald, P., Struckmeier, U., Kasper, T., Hansen, N., Taatjes, C.A., Wang, J., Cool, T.A., Gon, S., Westmoreland, P.R., & Westmoreland, P.R. (2007). The influence of ethanol addition on premixed fuel-rich propene-oxygen-argon flames [Conference]. Proceedings of the Combustion Institute. https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=34249823278&origin=inward Publication ID: 6383
  • Kasper, T., Hansen, N., Wang, J., Yang, B., Cool, T.A., Westmoreland, P.R., & Westmoreland, P.R. (2007). MBMS investigation of a laminar tetrahydrofuran flame [Conference]. Western States Section/Combustion Institute Fall Meeting 2007. https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=84946083999&origin=inward Publication ID: 11444
  • Hansen, N., Rahn, L., & Rahn, L. (2006). A WEB-BASED LIBRARY OF LOW PRESSURE FLAME DATA [Conference]. https://www.osti.gov/biblio/1266231 Publication ID: 7714
  • Rahn, L., Hansen, N., Barlow, R.S., Chen, M., & Chen, M. (2006). Combustion Data Published from CMCS Repository [Presentation]. https://www.osti.gov/biblio/1725974 Publication ID: 7569
  • Hansen, N., Taatjes, C.A., & Taatjes, C.A. (2006). Synchrotron photoionization molecular-beam mass spectrometric characterization of hydrocarbon radicals in fuel-rich flames [Conference]. https://www.osti.gov/biblio/902569 Publication ID: 6632
  • Hansen, N., Miller, J., & Miller, J. (2005). Identification of C5Hx isomers in fuel-rich flames by photoionization mass spectrometry and electronic structure calculations. Proposed for publication in the Journal of Physical Chemistry A.. https://www.osti.gov/biblio/877722 Publication ID: 6354
  • Hansen, N. (2005). Photoionization Mass Spectrometric Study and Modeling of Fuel-Rich Dimethyl Ether Flames [Conference]. https://www.osti.gov/biblio/1465561 Publication ID: 6402
  • McIlroy, A., Hansen, N., Miller, J., Klippenstein, S., Senosiain, J., & Senosiain, J. (2005). Ethenol is a common combustion intermediate in hydrocarbon flames. Proposed for publication in Nature.. https://www.osti.gov/biblio/990429 Publication ID: 4478
  • Klippenstein, S., Miller, J., Hansen, N., & Hansen, N. (2004). Synchrotron photoionization measurements of combustion intermediates : photoionization efficiency of C3H2 isomers. Physical Chemistry Chemical Physics. https://www.osti.gov/biblio/1144118 Publication ID: 4011
Showing 10 of 104 publications.