Dr Armin   Wehrfritz
Research Associate (ARC)

Dr Armin Wehrfritz

Engineering
Sch: Mech & Manufacturing Eng

Publications

  • Journal articles | 2021
    Dr Armin Wehrfritz
    Dalakoti DK; Wehrfritz A; Savard B; Day MS; Bell JB; Hawkes ER, 2021, 'An a priori evaluation of a principal component and artificial neural network based combustion model in diesel engine conditions', Proceedings of the Combustion Institute, vol. 38, pp. 2701 - 2709, http://dx.doi.org/10.1016/j.proci.2020.06.263
    Journal articles | 2021
    Dr Armin Wehrfritz
    Zhou H; Li Z; Yang T; Hawkes ER; Ren Z; Wang H; Wehrfritz A, 2021, 'An evaluation of gas-phase micro-mixing models with differential mixing timescales in transported PDF simulations of sooting flame DNS', Proceedings of the Combustion Institute, vol. 38, pp. 2731 - 2739, http://dx.doi.org/10.1016/j.proci.2020.07.047
    Journal articles | 2020
    Dr Armin Wehrfritz
    Dalakoti DK; Savard B; Hawkes ER; Wehrfritz A; Wang H; Day MS; Bell JB, 2020, 'Direct numerical simulation of a spatially developing n-dodecane jet flame under Spray A thermochemical conditions: Flame structure and stabilisation mechanism', Combustion and Flame, vol. 217, pp. 57 - 76, http://dx.doi.org/10.1016/j.combustflame.2020.03.027
    Journal articles | 2020
    Dr Armin Wehrfritz
    Savard B; Wehrfritz A; Lam K; Margerte Q; Ferney L; Farjam S, 2020, 'Decreased mixture reactivity and hot flame speed in the products of diffusion-affected autoignitive cool flames in the NTC regime', Combustion and Flame, vol. 222, pp. 434 - 445, http://dx.doi.org/10.1016/j.combustflame.2020.09.006
    Journal articles | 2019
    Dr Armin Wehrfritz
    Savard B; Wang H; Wehrfritz A; Hawkes ER, 2019, 'Direct numerical simulations of rich premixed turbulent n-dodecane/air flames at diesel engine conditions', Proceedings of the Combustion Institute, vol. 37, pp. 4655 - 4662, http://dx.doi.org/10.1016/j.proci.2018.08.022
    Journal articles | 2019
    Dr Armin Wehrfritz
    Tang J; Wang H; Bolla M; Wehrfritz A; Hawkes E, 2019, 'A DNS evaluation of mixing and evaporation models for TPDF modelling of nonpremixed spray flames', Proceedings of the Combustion Institute, vol. 37, pp. 3363 - 3372, http://dx.doi.org/10.1016/j.proci.2018.06.014
    Journal articles | 2019
    Dr Armin Wehrfritz
    Chan QN; Fattah IMR; Zhai G; Yip HL; Chen TBY; Yuen ACY; Yang W; Wehrfritz A; Dong X; Kook S; Yeoh GH, 2019, 'Color-ratio pyrometry methods for flame–wall impingement study', Journal of the Energy Institute, vol. 92, pp. 1968 - 1976, http://dx.doi.org/10.1016/j.joei.2018.10.015
    Journal articles | 2019
    Dr Armin Wehrfritz
    Varna A; Wehrfritz A; Hawkes E; Cleary M; Lucchini T; D'Errico G; Kook S; Chan Q, 2019, 'Application of a multiple mapping conditioning mixing model to ECN Spray A', Proceedings of the Combustion Institute, vol. 37, pp. 3263 - 3270, http://dx.doi.org/10.1016/j.proci.2018.06.007
    Journal articles | 2019
    Dr Armin Wehrfritz
    Kahila H; Wehrfritz A; Kaario O; Vuorinen V, 2019, 'Large-eddy simulation of dual-fuel ignition: Diesel spray injection into a lean methane-air mixture', Combustion and Flame, vol. 199, pp. 131 - 151, http://dx.doi.org/10.1016/j.combustflame.2018.10.014
    Journal articles | 2018
    Dr Armin Wehrfritz
    Wehrfritz A; Wang H; Hawkes ER; Gao Y; Lu T, 2018, 'Wall-impinging laminar premixed n-dodecane flames under autoignitive conditions', Proceedings of the Combustion Institute, vol. 37, pp. 1647 - 1654, http://dx.doi.org/10.1016/j.proci.2018.06.118
    Journal articles | 2018
    Dr Armin Wehrfritz
    Dalakoti DK, 2018, 'Structure and propagation of two-dimensional, partially premixed, laminar flames in diesel engine conditions', Proceedings of the Combustion Institute, vol. 37, pp. 1961 - 1969, http://dx.doi.org/10.1016/j.proci.2018.06.169
    Journal articles | 2018
    Dr Armin Wehrfritz
    Kahila H; Wehrfritz A; Kaario O; Ghaderi Masouleh M; Maes N; Somers B; Vuorinen V, 2018, 'Large-eddy simulation on the influence of injection pressure in reacting Spray A', Combustion and Flame, vol. 191, pp. 142 - 159, http://dx.doi.org/10.1016/j.combustflame.2018.01.004
    Journal articles | 2018
    Dr Armin Wehrfritz
    Fattah IMR; Ming C; Chan QN; Wehrfritz A; Pham PX; Yang W; Kook S; Medwell PR; Yeoh GH; Hawkes ER; Masri AR, 2018, 'Spray and Combustion Investigation of Post Injections under Low-Temperature Combustion Conditions with Biodiesel', Energy and Fuels, vol. 32, pp. 8727 - 8742, http://dx.doi.org/10.1021/acs.energyfuels.8b00284
    Journal articles | 2017
    Dr Armin Wehrfritz
    Ghaderi Masouleh M; Wehrfritz A; Kaario O; Kahila H; Vuorinen V, 2017, 'Comparative study on chemical kinetic schemes for dual-fuel combustion of n-dodecane/methane blends', Fuel, vol. 191, pp. 62 - 76, http://dx.doi.org/10.1016/j.fuel.2016.10.114
    Journal articles | 2016
    Dr Armin Wehrfritz
    Wehrfritz A; Kaario O; Vuorinen V; Somers B, 2016, 'Large Eddy Simulation of n-dodecane spray flames using Flamelet Generated Manifolds', Combustion and Flame, vol. 167, pp. 113 - 131, http://dx.doi.org/10.1016/j.combustflame.2016.02.019
    Journal articles | 2014
    Dr Armin Wehrfritz
    Vuorinen V; Wehrfritz A; Duwig C; Boersma BJ, 2014, 'Large-eddy simulation on the effect of injection pressure and density on fuel jet mixing in gas engines', Fuel, vol. 130, pp. 241 - 250, http://dx.doi.org/10.1016/j.fuel.2014.04.045
    Journal articles | 2013
    Dr Armin Wehrfritz
    Wehrfritz A; Vuorinen V; Kaario O; Larmi M, 2013, 'Large eddy simulation of high-velocity fuel sprays: Studying mesh resolution and breakup model effects for spray A', Atomization and Sprays, vol. 23, pp. 419 - 442, http://dx.doi.org/10.1615/AtomizSpr.2013007342
    Journal articles | 2011
    Dr Armin Wehrfritz
    Tammisola O; Lundell F; Schlatter P; Wehrfritz A; Söderberg LD, 2011, 'Global linear and nonlinear stability of viscous confined plane wakes with co-flow', Journal of Fluid Mechanics, vol. 675, pp. 397 - 434, http://dx.doi.org/10.1017/jfm.2011.24
  • Conference Papers | 2021
    Dr Armin Wehrfritz
    Evans A; Wang Y; Wehrfritz A; Srna A; Hawkes E; Liu X; Kook S; Chan QN, 2021, 'Mechanisms of NOxProduction and Heat Loss in a Dual-Fuel Hydrogen Compression Ignition Engine', in SAE Technical Papers, SAE International, presented at SAE WCX Digital Summit, http://dx.doi.org/10.4271/2021-01-0527
    Conference Papers | 2021
    Dr Armin Wehrfritz
    Wang Y; Evans A; Srna A; Wehrfritz A; Hawkes E; Liu X; Kook S; Chan QN, 2021, 'A Numerical Investigation of Mixture Formation and Combustion Characteristics of a Hydrogen-Diesel Dual Direct Injection Engine', in SAE Technical Papers, SAE International, presented at SAE WCX Digital Summit, http://dx.doi.org/10.4271/2021-01-0526
    Conference Papers | 2020
    Dr Armin Wehrfritz
    Tummalapalli H; Ranadive H; Wehrfritz A; Hawkes E, 2020, 'LES of a Premixed Jet Flame in Cross-Flow', in Proceedings of the 22nd Australasian Fluid Mechanics Conference AFMC2020, The University of Queensland, presented at 22nd Australasian Fluid Mechanics Conference AFMC2020, http://dx.doi.org/10.14264/fa3ec5b
    Conference Papers | 2018
    Dr Armin Wehrfritz
    Dalakoti DK; Savard B; Wehrfritz A; Day MS; Bell JB; Hawkes ER, 2018, 'Rich Premixed Flame in a Spatially Developing N-Dodecane Jet in Diesel Engine Conditions', in Lau TCW; Kelso RM (ed.), Proceedings of the 21st Australasian Fluid Mechanics Conference, Australasian Fluid Mechanics Society, Adelaide, presented at 21st Australasian Fluid Mechanics Conference, Adelaide, 10 December 2018 - 13 December 2018, https://people.eng.unimelb.edu.au/imarusic/proceedings/21/Contribution_730_final.pdf
    Conference Papers | 2018
    Dr Armin Wehrfritz
    Savard B; Dalakoti DK; Wehrfritz A; Hawkes ER, 2018, 'Structure of (Very) Rich n-Dodecane Premixed Turbulent Flames at Diesel Engine Conditions: A Criterion to Distinguish Deflagrations from Autoignition Fronts', in Lau TCW; Kelso RM (ed.), Proceedings of the 21st Australasian Fluid Mechanics Conference, Australasian Fluid Mechanics Society, Adelaide, presented at 21st Australasian Fluid Mechanics Conference, Adelaide, 10 December 2018 - 13 December 2018, https://people.eng.unimelb.edu.au/imarusic/proceedings/21/Contribution_708_final.pdf
    Conference Papers | 2018
    Dr Armin Wehrfritz
    Lam K; Wehrfritz A; Hawkes ER; Savard B, 2018, 'The Role of Diffusion on the Products of Cool Laminar N-Heptane/Air Premixed flames', in Proceedings of the 21st Australasian Fluid Mechanics Conference, Australasian Fluid Mechanics Society, Adelaide, Australia, presented at 21st Australasian Fluid Mechanics Conference, Adelaide, Australia, 10 December 2018 - 13 December 2018, https://people.eng.unimelb.edu.au/imarusic/proceedings/21%20AFMC%20TOC.html
    Conference Papers | 2018
    Dr Armin Wehrfritz
    Li Z; Wehrfritz A; Savard B; Hawkes ER, 2018, 'A DNS Evaluation of a Novel Multiple Mapping Conditioning Model with a Mixture Fraction-like Reference Variable', in Proceedings of the 21st Australasian Fluid Mechanics Conference, Adelaide, South Australia, presented at 21st Australasian Fluid Mechanics Conference, Adelaide, South Australia, 10 December 2018 - 13 December 2018, https://people.eng.unimelb.edu.au/imarusic/proceedings/21/Contribution_765_final.pdf
    Conference Papers | 2017
    Dr Armin Wehrfritz
    Varna A; Wehrfritz A; Hawkes ER; Cleary MJ; Lucchini T; D’Errico G, 2017, 'Application of multiple mapping conditioning mixing model to non-reacting spray a', in 11th Asia-Pacific Conference on Combustion, ASPACC 2017
    Conference Papers | 2017
    Dr Armin Wehrfritz
    Dalakoti DK; Wehrfritz A; Savard B; Wang H; Hawkes ER, 2017, 'Laminar lifted flames in diesel engine conditions', in 11th Asia-Pacific Conference on Combustion, ASPACC 2017
    Conference Papers | 2017
    Dr Armin Wehrfritz
    Wehrfritz A; Savard B; Hawkes ER, 2017, 'Comparison of chemical mechanisms for n-dodecane at engine conditions using an unsteady flamelet model', in 11th Asia-Pacific Conference on Combustion, ASPACC 2017
    Conference Papers | 2017
    Dr Armin Wehrfritz
    Kahila H; Kaario O; Wehrfritz A; Vuorinen V, 2017, 'Proper Orthogonal Decomposition Analysis of The Engine Combustion Network ”Spray A”', in ILASS-Americas 29th Annual Conference on Liquid Atomization and Spray Systems
    Theses / Dissertations | 2016
    Dr Armin Wehrfritz
    Wehrfritz A, 2016, Large Eddy Simulation of Fuel Spray Combustion, Aalto University, http://urn.fi/URN:ISBN:978-952-60-7018-6
    Conference Papers | 2012
    Dr Armin Wehrfritz
    Kaario O; Brink A; Wehrfritz A; Larmi M, 2012, 'Analyzing local combustion environment with a flamelet model and detailed chemistry', in SAE Technical Papers, http://dx.doi.org/10.4271/2012-01-0150
    Conference Papers | 2012
    Dr Armin Wehrfritz
    Wehrfritz A; Vuorinen V; Kaario O; Larmi M, 2012, 'A High Resolution Study of Non-Reacting Fuel Sprays Using Large-Eddy Simulations', in 12th Triennial International Conference on Liquid Atomization and Spray Systems (ICLASS)
    Conference Papers | 2012
    Dr Armin Wehrfritz
    Kaario O; Hulkkonen T; Vuorinen V; Wehrfritz A; Keskinen K; Larmi M, 2012, 'Numerical and experimental investigation of fuel spray behaviour in very high density environment using LES', in ICLASS 2012 - 12th International Conference on Liquid Atomization and Spray Systems
    Conference Papers | 2011
    Dr Armin Wehrfritz
    Vuorinen V; Wehrfritz A; Yu J; Kaario O; Larmi M; Boersma BJ, 2011, 'Large-eddy simulation of subsonic jets', in Journal of Physics: Conference Series, http://dx.doi.org/10.1088/1742-6596/318/3/032052
    Conference Papers | 2011
    Dr Armin Wehrfritz
    Wehrfritz A; Kaario O; Vuorinen V; Tilli A; Larmi M, 2011, 'Interaction of multiple fuel sprays in a heavy-duty diesel engine', in SAE Technical Papers

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