Bulut Tekgül

Bulut Tekgül

CFD & Combustion Expert

Sitemap

A list of all the posts and pages found on the site. For you robots out there, there is an XML version available for digesting as well.

Pages

Posts

Automation beats perfection

3 minute read

Published:

One of the most counterintuitive lessons I learned over time is that a slightly imperfect CFD setup that runs reliably will outperform a “perfect” setup that needs constant babysitting.

👋 Hello world

1 minute read

Published:

My resolution for 2026 was to finally start a blog, so here is my attempt to make that happen.

portfolio

publications

Large eddy simulation of diesel spray–assisted dual-fuel ignition: A comparative study on two n-dodecane mechanisms at different ambient temperatures

Published in International Journal of Engine Research, 2020

Comparative LES study of two n-dodecane mechanisms for dual-fuel ignition at different ambient temperatures.

Recommended citation: J. Kannan, M. Gadalla, B. Tekgül, S. Karimkashi, O. Kaario, V. Vuorinen. (2020). "Large eddy simulation of diesel spray–assisted dual-fuel ignition: A comparative study on two n-dodecane mechanisms at different ambient temperatures." International Journal of Engine Research.
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Large-eddy simulation of tri-fuel ignition: diesel spray-assisted ignition of lean hydrogen–methane–air mixtures

Published in Combustion Theory and Modelling, 2021

3D LES of diesel spray-assisted ignition of lean hydrogen-methane-air mixtures in tri-fuel engines.

Recommended citation: J. Kannan, M. Gadalla, B. Tekgül, S. Karimkashi, O. Kaario, V. Vuorinen. (2021). "Large-eddy simulation of tri-fuel ignition: diesel spray-assisted ignition of lean hydrogen–methane–air mixtures." Combustion Theory and Modelling.
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DLBFoam: An open-source dynamic load balancing model for fast reacting flow simulations in OpenFOAM

Published in Computer Physics Communications, 2021

Open-source dynamic load balancing library for fast reactive flow simulations in OpenFOAM, achieving up to 10x speed-up.

Recommended citation: B. Tekgül, P. Peltonen, H. Kahila, O. Kaario, V. Vuorinen. (2021). "DLBFoam: An open-source dynamic load balancing model for fast reacting flow simulations in OpenFOAM." Computer Physics Communications.
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A numerical performance study of a fixed-bed reactor for methanol synthesis by CO2 hydrogenation

Published in International Journal of Hydrogen Energy, 2021

Numerical simulation of CO2 hydrogenation in a fixed-bed reactor for methanol production.

Recommended citation: D. Izbassarov, J. Nyari, B. Tekgül, E. Laurila, T. Kallio, A. Santasalo-Aarnio, O. Kaario, V. Vuorinen. (2021). "A numerical performance study of a fixed-bed reactor for methanol synthesis by CO2 hydrogenation." International Journal of Hydrogen Energy.
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Large-eddy simulation of tri-fuel combustion: Diesel spray assisted ignition of methanol-hydrogen blends

Published in International Journal of Hydrogen Energy, 2021

LES study on diesel spray-assisted ignition of methanol-hydrogen blends for tri-fuel combustion.

Recommended citation: M. Gadalla, J. Kannan, B. Tekgül, S. Karimkashi, O. Kaario, V. Vuorinen. (2021). "Large-eddy simulation of tri-fuel combustion: Diesel spray assisted ignition of methanol-hydrogen blends." International Journal of Hydrogen Energy.
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Large-eddy simulation of split injection strategies in RCCI conditions

Published in Combustion Theory and Modelling, 2022

Investigates effects of different split injection strategies on ignition delay and heat release in RCCI conditions using LES.

Recommended citation: B. Tekgül, S. Karimkashi, O. Kaario, H. Kahila, É. Lendormy, J. Hyvönen, V. Vuorinen. (2022). "Large-eddy simulation of split injection strategies in RCCI conditions." Combustion Theory and Modelling.
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Large-eddy simulation of diesel pilot spray ignition in lean methane-air and methanol-air mixtures at different ambient temperatures

Published in International Journal of Engine Research, 2022

LES study of diesel pilot spray ignition in lean methane and methanol mixtures across different ambient temperatures.

Recommended citation: S. Karimkashi, M. Gadalla, J. Kannan, B. Tekgül, O. Kaario, V. Vuorinen. (2022). "Large-eddy simulation of diesel pilot spray ignition in lean methane-air and methanol-air mixtures at different ambient temperatures." International Journal of Engine Research.
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Fast reactive flow simulations using analytical Jacobian and dynamic load balancing in OpenFOAM

Published in Physics of Fluids, 2022

Open-source approach to accelerate reactive flow CFD simulations using analytical Jacobians and dynamic load balancing in OpenFOAM.

Recommended citation: I. Morev, B. Tekgül, M. Gadalla, A. Shahanaghi, J. Kannan, S. Karimkashi, O. Kaario, V. Vuorinen. (2022). "Fast reactive flow simulations using analytical Jacobian and dynamic load balancing in OpenFOAM." Physics of Fluids.
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Design optimization of an ethanol heavy-duty engine using Design of Experiments and Bayesian Optimization

Published in ASME Internal Combustion Engine Division Fall Technical Conference, 2022

This study explores optimizing a heavy-duty ethanol-fueled engine to maximize thermal efficiency using CFD, Design of Experiments, and Bayesian Optimization.

Recommended citation: B. Tekgül, I. Liu, M. Vittal, R. Schanz, J. Blumreiter, B. Johnson, G. Magnotti. (2022). "Design optimization of an ethanol heavy-duty engine using Design of Experiments and Bayesian Optimization." ASME Internal Combustion Engine Division Fall Technical Conference.
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talks

teaching

Lecturer

University, Aalto University, School of Engineering, 2018

  • 2018/2019 - 2020/2021: Numerical Modeling of Multiphase Flows (MSc), Aalto University

Teaching Assistant

University, Aalto University, School of Engineering, 2018

  • 2018/2019 - 2020/2021: Computational Fluid Dynamics (MSc), Aalto University
  • 2018/2019: Heat Transfer (MSc), Aalto University