71 results

Comparative investigation of homogeneous autoignition of DME/air and EtOH/air mixtures at low initial temperatures

Journal Article
Tingas, E., Kyritsis, D. C., & Goussis, D. A. (2017)
Comparative investigation of homogeneous autoignition of DME/air and EtOH/air mixtures at low initial temperatures. Combustion Theory and Modelling, 21(1), 93-119. https://doi.org/10.1080/13647830.2016.1238513
The dynamics of homogeneous isochoric explosions of dimethylether (DME)/air and ethanol (EtOH)/air mixtures were studied and compared at relatively low initial temperatures (≤...

Issues arising in the construction of QSSA mechanisms: the case of reduced n-heptane/air models for premixed flames

Journal Article
Tingas, E., Diamantis, D. J., & Goussis, D. A. (2018)
Issues arising in the construction of QSSA mechanisms: the case of reduced n-heptane/air models for premixed flames. Combustion Theory and Modelling, 22(6), 1049-1083. https://doi.org/10.1080/13647830.2018.1470333
A model reduction methodology, based on the quasi steady-state approximation (QSSA), is employed for the construction of reduced mechanisms in the case of an n-heptane/air pre...

CH4/air homogeneous autoignition: A comparison of two chemical kinetics mechanisms

Journal Article
Tingas, E. A., Manias, D. M., Mani Sarathy, S., & Goussis, D. A. (2018)
CH4/air homogeneous autoignition: A comparison of two chemical kinetics mechanisms. Fuel, 223, 74-85. https://doi.org/10.1016/j.fuel.2018.03.025
Reactions contributing to the generation of the explosive time scale that characterise autoignition of homogeneous stoichiometric CH4/air mixture are identified using two diff...

The chemical dynamics of hydrogen/hydrogen peroxide blends diluted with steam at compression ignition relevant conditions

Journal Article
Tingas, E. (2021)
The chemical dynamics of hydrogen/hydrogen peroxide blends diluted with steam at compression ignition relevant conditions. Fuel, 296, https://doi.org/10.1016/j.fuel.2021.120594
In the current work, the use of hydrogen peroxide as an additive to hydrogen/air mixtures is proposed and explored computationally, in conditions relevant to compression ignit...

The mechanism by which CH2O and H2O2 additives affect the autoignition of CH4/air mixtures

Journal Article
Manias, D. M., Tingas, E. A., Frouzakis, C. E., Boulouchos, K., & Goussis, D. A. (2016)
The mechanism by which CH2O and H2O2 additives affect the autoignition of CH4/air mixtures. Combustion and Flame, 164, 111-125. https://doi.org/10.1016/j.combustflame.2015.11.008
When the fast dissipative time scales become exhausted, the evolution of reacting processes is characterized by slower time scales. Here the case where these slower time scale...

Ignition delay control of DME/air and EtOH/air homogeneous autoignition with the use of various additives

Journal Article
Tingas, E. A., Kyritsis, D. C., & Goussis, D. A. (2016)
Ignition delay control of DME/air and EtOH/air homogeneous autoignition with the use of various additives. Fuel, 169, 15-24. https://doi.org/10.1016/j.fuel.2015.11.081
The effect of selected additives on the ignition delay of ethanol (EtOH)/air and dimethylether (DME)/air mixture is investigated. Computational Singular Perturbation (CSP) too...

Statistics of local and global flame speed and structure for highly turbulent H2/air premixed flames

Journal Article
Song, W., Hernández Pérez, F. E., Tingas, E., & Im, H. G. (2021)
Statistics of local and global flame speed and structure for highly turbulent H2/air premixed flames. Combustion and Flame, 232, https://doi.org/10.1016/j.combustflame.2021.111523
A statistical analysis is conducted for turbulent hydrogen-air premixed flames at a range of Karlovitz numbers up to 1,126 by direct numerical simulations (DNS) with detailed ...

The use of CO2 as an additive for ignition delay and pollutant control in CH4/air autoignition

Journal Article
Tingas, E. A., Im, H. G., Kyritsis, D. C., & Goussis, D. A. (2018)
The use of CO2 as an additive for ignition delay and pollutant control in CH4/air autoignition. Fuel, 211, 898-905. https://doi.org/10.1016/j.fuel.2017.09.022
The effect of CO2 dilution on the adiabatic and isochoric autoignition of CH4/air mixtures is analyzed with Computational Singular Perturbation (CSP) algorithmic tools, with a...

Autoignition dynamics of DME/air and EtOH/air homogeneous mixtures

Journal Article
Tingas, E. A., Kyritsis, D. C., & Goussis, D. A. (2015)
Autoignition dynamics of DME/air and EtOH/air homogeneous mixtures. Combustion and Flame, 162(9), 3263-3276. https://doi.org/10.1016/j.combustflame.2015.05.016
The autoignition kinetics of DME/air and EtOH/air stoichiometric mixtures are compared with the use of algorithmic tools from the CSP method at a range of initial conditions t...

Dynamics Analysis of a Jet-Fuel Surrogate and Development of a Skeletal Mechanism for Computational Fluid Dynamic Applications

Journal Article
Sharmin, N., & Tingas, E. (2020)
Dynamics Analysis of a Jet-Fuel Surrogate and Development of a Skeletal Mechanism for Computational Fluid Dynamic Applications. Journal of Energy Engineering, 146(6), https://doi.org/10.1061/%28asce%29ey.1943-7897.0000714
The autoignition dynamics of a three-component surrogate jet fuel (66.2% n-dodecane, 15.8% n-proplylbenzene, 18.0% 1,3,5-trimethylcyclohexane) suitable for usage as Jet A-1 an...
5 results

Incubation hub for sustainable cities and communities v2

2022 - 2023
The recent data published by the SFC suggest that the percentage of College leavers that progress to University degrees is 43% for Engineering, significantly lower than other disiplines, and this is e...
Funder: Scottish Government

Drawing the Roadmap for Tomorrow's Electromobility

2022 - 2023
The latest reports indicate that the number of drivers switching to electric cars is insufficient for the Scottish Government to meet its target of ending the sale of petrol and diesel vehicles by 203...
Funder: Scottish Government

Towards carbonless engines: the fundamentals of hydrogen compression-ignition

2020 - 2021
The current project proposes a novel approach for the use of hydrogen in compression ignition (CI) engine mode, in alignment with UK’s plan for zero emissions by 2040. The use of hydrogen in CI engine...
Funder: Royal Society of Edinburgh | Value: £65,616

Computational analysis of a zero-carbon hydrogen fuelled thermal engine for heavy duty transport applications

2021 - 2022
Two types of transport which are currently challenging to decarbonize and electrify are heavy-duty vehicles (HDVs) and ships. HDVs and ships are predominantly powered by compression ignition (CI) engi...
Funder: Engineering and Physical Sciences Research Council | Value: £39,481

Accelerating the Electric Vehicle Revolution

2021 - 2022
The proposed project includes two activities: a two-day event and a public opinion survey. The event, which will be hybrid, will target both secondary school students and adults through individual act...
Funder: Scottish Government