A Review on Flame Stabilization Technologies for UAV Engine Micro-Meso Scale Combustors: Progress and Challenges

G Velidi, CS Yoo - Energies, 2023 - mdpi.com
Unmanned aerial vehicles (UAV) s have unique requirements that demand engines with
high power-to-weight ratios, fuel efficiency, and reliability. As such, combustion engines …

Mesoscale burner array performance analysis

R Rajasegar, J Choi, B McGann, A Oldani, T Lee… - Combustion and …, 2019 - Elsevier
Combustion characteristics of a mesoscale burner array have been studied using several
diagnostic and analysis techniques. The array was specifically configured to enhance …

Hydrogen enhancement on a mesoscale swirl stabilized burner array

J Choi, R Rajasegar, W Lee, T Lee, J Yoo - International Journal of …, 2021 - Elsevier
This manuscript presents a study of hydrogen-enhanced methane flames in a compact
mesoscale burner array, where even a minute addition of hydrogen can significantly …

Assessment and recommendations for a fossil free future for track work machinery

M Zeiner, M Landgraf, D Knabl, B Antony… - Sustainability, 2021 - mdpi.com
Current railway track work machinery is mainly operated with diesel fuel. As a result, track
maintenance of Austrian Federal Railways (OeBB) amounts to nearly 9000 t CO2 equivalent …

Effects of hydrogen enhancement on mesoscale burner array flame stability under acoustic perturbations

J Choi, W Lee, R Rajasegar, T Lee, J Yoo - International Journal of …, 2021 - Elsevier
Partial substitution of hydrocarbon fuel with hydrogen can effectively improve small-scale
combustion system stability and performance, potentially opening the way for novel compact …

Characterization of a novel additive manufacturing micromix nozzle burning methane to hydrogen

A Durocher, L Fan, B Francolini… - … for Gas Turbines …, 2024 - asmedigitalcollection.asme.org
As the energy landscape transitions to low/zero-carbon fuels, gas turbine manufacturers are
targeting fuel flexible operation with natural gas, syngas, and hydrogen-enriched mixtures …

Effect of flame interaction on swirl-stabilized mesoscale burner array performance

J Choi, R Rajasegar, CM Mitsingas, Q Liu, T Lee, J Yoo - Energy, 2020 - Elsevier
Individual flames in a swirl-stabilized mesoscale burner array can interact with neighboring
flames for optimum burner array operation, particularly at lean equivalence ratios …

A development and numerical study of a high-pressure gas turbine combustion chamber based on mesoscale coaxial swirling jets

AI Guryanov, OA Evdokimov… - … Journal of Energy …, 2022 - dl.begellhouse.com
This paper reports on the new gas turbine combustion technology based on the mesoscale
coaxial swirling jet application. The results of numerical calculations show that this original …

An experimental study on combustion in mesoscale coaxial swirling burner arrays

OA Evdokimov, AI Guryanov… - Combustion Science and …, 2024 - Taylor & Francis
An experimental study of combustion in diffusion and coaxial mesoscale burner arrays was
conducted. To that end, different linear and planar arrangements were tested, and blow-off …

Automated Knowledge‐Based Design for Additive Manufacturing: A Case Study with Flow Manifolds

M Biedermann, P Beutler… - Chemie Ingenieur …, 2022 - Wiley Online Library
Additive manufacturing (AM) enables novel process equipment devices. However, the
manual 3D design of complex part geometries is frequently challenging as designers need …