Journal Articles
Schneider, M, Nicolai, H,
Howarth, T, Rong, F, Aspden, AJ, Hasse, C (2026)
Turbulent flame–wall interaction of thermodiffusively unstable lean premixed hydrogen flames,
Proceedings of the Combustion Institute, 42, 106549, ISSN: 1540-7489. DOI:
10.1016/j.proci.2026.106549.
Maffei, A,
Howarth, T, Cafiero, M, Cameron, F, Gauding, M, Beeckmann, J, Pitsch, H (2026)
Unified scaling and shape laws for turbulent premixed methane and hydrogen jet flames, 42(2026), ISSN: 1540-7489. DOI:
10.1016/j.proci.2026.106497.
Golc, D, Chu, H, Brand, B, Esposito, S, Lehmann, T,
Howarth, T, Beeckmann, J, Pitsch, H (2026)
Characterization of thermodiffusive instabilities across various hydrogen engine conditions based on numerical and experimental investigations,
Proceedings of the Combustion Institute, ISSN: 1540-7489.
Moitro, A, Hunt, E,
Howarth, T, Chaib, O, Bae, J, Weller, L, Hochgreb, S, Aspden, A (2026)
Direct numerical simulations of laboratory-scale thermodiffusively-unstable piloted Bunsen flames: Flame surface area, turbulent flame speed, and flame height,
Combustion and Flame, 288, 114916, ISSN: 0010-2180. DOI:
10.1016/j.combustflame.2026.114916.
Lehmann, T, Dimidziev, N,
Howarth, T, Gauding, M, Pitsch, H (2025)
Effects of intrinsic flame instabilities on nitrogen oxide formation in laminar premixed ammonia/hydrogen/air flames,
Proceedings of the Combustion Institute, 41, 105961, ISSN: 1540-7489. DOI:
10.1016/j.proci.2025.105961.
Chu, H, Varatharajan, V, Pehlivanlar, B, Lehmann, T, Berger, L, Golc, D, Esposito, S,
Howarth, T, Porcelli, EB, Laera, D, Günther, M, Gauding, M, Beeckmann, J, Pischinger, S, Pitsch, H (2025)
An extended G-equation formulation for simulating thermodiffusively unstable hydrogen flames,
Proceedings of the Combustion Institute, 41, 105945, ISSN: 1540-7489. DOI:
10.1016/j.proci.2025.105945.
Russell, GS,
Howarth, T, Skiba, AW, Carter, CD, Aspden, AJ (2025)
Turbulence-flame interactions in high-Karlovitz-number lean premixed hydrogen piloted jet flames,
Proceedings of the Combustion Institute, 41(2025), 105868, ISSN: 1540-7489. DOI:
10.1016/j.proci.2025.105868.
Howarth, T, Nerzak, S, Gruhlke, P, Lipkowicz, JT, Panek, L, Pfadler, S, Gauding, M, Pitsch, H (2025)
Structure and nitrogen oxide emissions of confined turbulent hydrogen jet flames,
Proceedings of the Combustion Institute, 41, 105851, ISSN: 1540-7489. DOI:
10.1016/j.proci.2025.105851.
Lehmann, T, Berger, L,
Howarth, T, Gauding, M, Girhe, S, Dally, BB, Pitsch, H (2024)
Comprehensive linear stability analysis for intrinsic instabilities in premixed ammonia/hydrogen/air flames,
Combustion and Flame, 273, 113927, ISSN: 0010-2180. DOI:
10.1016/j.combustflame.2024.113927.
Aspden, AJ,
Howarth, T, Hunt, EF (2024)
Three-dimensional phenomenology of freely-propagating thermodiffusively-unstable lean premixed hydrogen flames,
Proceedings of the Combustion Institute, 40(1-4), 105634, ISSN: 1540-7489. DOI:
10.1016/j.proci.2024.105634.
Howarth, T, Day, MS, Pitsch, H, Aspden, AJ (2024)
Thermal diffusion, exhaust gas recirculation and blending effects on lean premixed hydrogen flames,
Proceedings of the Combustion Institute, 40(1-4), 105429, ISSN: 1540-7489. DOI:
10.1016/j.proci.2024.105429.
Howarth, T, Picciani, MA, Richardson, ES, Day, MS, Aspden, AJ (2024)
Direct numerical simulation of a high-pressure hydrogen micromix combustor: flame structure and stabilisation mechanism,
Combustion and Flame, 265, 113504, ISSN: 0010-2180. DOI:
10.1016/j.combustflame.2024.113504.
Howarth, T, Hunt, EF, Aspden, AJ (2023)
Thermodiffusively-unstable lean premixed hydrogen flames: phenomenology, empirical modelling, and thermal leading points,
Combustion and Flame, 253, 112811, ISSN: 0010-2180. DOI:
10.1016/j.combustflame.2023.112811.
Howarth, T and Aspden, AJ (2021)
An empirical characteristic scaling model for freely-propagating lean premixed hydrogen flames,
Combustion and Flame, 237, 111805, ISSN: 0010-2180. DOI:
10.1016/j.combustflame.2021.111805.
