A 3D-CFD study of a γ-type Stirling engine

L Kuban, J Stempka, A Tyliszczak - Energy, 2019 - Elsevier
The goal of this work is to perform detailed 3D CFD analysis of heat transfer and flow
dynamics inside a commercial gamma-type Stirling engine, including its structural details …

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 …

Numerical study of instability mechanism in the air-core vortex formation process

K Kan, Y Xu, Z Li, H Xu, H Chen, D Zi… - … of Computational Fluid …, 2023 - Taylor & Francis
Air-core vortices are a ubiquitous phenomenon in the intakes of hydropower stations. Due to
the transient and instability of two-phase vorticial flow, the prediction of air-core vortex …

Numerical analysis of turbulent nitrogen-diluted hydrogen flames stabilised by star-shaped bluff bodies

A Wawrzak, L Caban, A Tyliszczak, E Mastorakos - Applied Energy, 2024 - Elsevier
In this paper, we investigate the flow and flame dynamics within a combustion chamber
supplied with nitrogen-diluted hydrogen fuel and air as oxidiser. The chamber is equipped …

Fluctuation characteristics induced by energetic coherent structures in air-core vortex: The most complex vortex in the tidal power station intake system

Z Li, H Xu, J Feng, H Chen, K Kan, T Li, L Shen - Energy, 2024 - Elsevier
The air-core vortex is the most complex vortex in the intake system of tidal power stations.
Nearly all power plants prohibit the operation of units with air-core vortices, as these vortices …

Toward off-design loads: Investigations on combustion and emissions characteristics of a micro gas turbine combustor by external combustion-air adjustments

C Zong, C Ji, J Cheng, T Zhu, D Guo, C Li, F Duan - Energy, 2022 - Elsevier
A novel external combustion-air adjustment method (ECAM) is proposed to control the
reaction zone fuel-air ratio under off-design loads. The combustion-air is redistributed by …

Design, manufacture and test of a micro-turbine renewable energy combustor

B Bazooyar, HG Darabkhani - Energy Conversion and Management, 2020 - Elsevier
The ever-increasing demand on highly efficient decentralized power generation with low CO
2 emission has made microturbines for power generation in micro gas turbine (MGT) …

Combustion and stability characteristics of ultra-compact combustor using cavity for gas turbines

RC Zhang, F Hao, WJ Fan - Applied Energy, 2018 - Elsevier
Engine efficiency, emission characteristics, and structural dimensions are important
considerations for gas turbines that are used in transportation applications. Ultra-compact …

Effects of discharge-to-submergence ratio on evolution of air-core vortex

Z Li, H Chen, H Xu, J Feng, K Kan, T Li, L Shen - Ocean Engineering, 2023 - Elsevier
An air-core vortex is generated in a tidal power station when the discharge increases or the
submergence decreases at the intake. To better understand the complex evolution of the air …

A multi-objective CFD optimization of liquid fuel spray injection in dry-low-emission gas-turbine combustors

B Asgari, E Amani - Applied Energy, 2017 - Elsevier
The main goal of this research is to investigate the effects of fuel injection strategy on the
performance of the premixing chamber of modern Dry-Low-Emission (DLE) Gas-Turbine …