A new spin on small-scale combustor geometry

BT Bohan, MD Polanka - … of Engineering for …, 2019 - asmedigitalcollection.asme.org
The ultra-compact combustor (UCC) is an innovative combustor system alternative to
traditional turbine engine combustors with the potential for engine efficiency improvements …

Effects of Rayleigh-Taylor instabilities on turbulent premixed flames in a curved rectangular duct

JP Sykes, TP Gallagher, BA Rankin - Proceedings of the Combustion …, 2021 - Elsevier
Large-eddy simulations are used to demonstrate the effects of Rayleigh-Taylor instabilities
(RTIs) on constant-pressure, turbulent premixed flames stabilized in a curved rectangular …

Gear-Shaped High-g Combustion Chamber for Micro Turbojet Engine Applications

H Huang, G Chen, H Long, B Lei, J Liang - ACS omega, 2024 - ACS Publications
Enhancing combustion efficiency and optimizing the thrust-to-weight ratio are critical
technical challenges encountered in the development, application, and growth of micro …

Numerical and experimental results from a common-source high-G ultra-compact combustor

AE Cottle, MD Polanka - … Expo: Power for …, 2016 - asmedigitalcollection.asme.org
Ultra-Compact combustion presents a novel solution to address the demand for increasingly
compact, efficient, and low weight aircraft gas turbine engine propulsion systems. An Ultra …

Performance Characterization of a Circumferential Combustion Cavity

KJ DeMarco, BT Bohan, TC Rathsack… - 2018 Joint Propulsion …, 2018 - arc.aiaa.org
Current state of the art turbojet engines use combustors where the combustion process
occurs axially. This type of combustor tends to have a high efficiency but requires a long …

DNS of laboratory-scale turbulent premixed counterflow flames under elevated gravity conditions

J Zheng, H Wang, K Luo, J Fan - Physics of Fluids, 2024 - pubs.aip.org
In the present work, direct numerical simulations (DNSs) of laboratory-scale turbulent
premixed counterflow flames are performed to understand the effect of elevated gravity on …

Mechanisms for enhanced flow migration from an annular, high-g ultra compact combustor

AE Cottle, MD Polanka - 54th AIAA Aerospace Sciences Meeting, 2016 - arc.aiaa.org
N response to the steady drive for more refined and effective aircraft power plants, gas
turbine engine research has progressed in a variety of innovative ways from the component …

Heat release and transfer of premixed propane/air flames in high g-load centrifugal force fields

Z Wu, J Li, Q Wen - Fuel, 2022 - Elsevier
Rapid combustion and propagation are crucial for energy conversion and utilization
equipment, such as power plants and thrust engines. High g-load in centrifugal flow fields …

Computational analysis of a novel cooling scheme for ultra compact combustor turbine vanes

BT Bohan, MD Polanka… - … Expo: Power for …, 2017 - asmedigitalcollection.asme.org
The Ultra Compact Combustor (UCC) has the potential to improve overall engine efficiency
at a reduced size, while offering a unique component configuration that can allow for novel …

Design Strategy for Fuel Introduction to a Circumferential Combustion Cavity

EA Hornedo Rodriquez, KJ DeMarco… - 2018 AIAA Aerospace …, 2018 - arc.aiaa.org
Current state of the art turbojet engines use combustors where the combustion process
occurs axially. This type of combustor tends to have a high efficiency but requires a long …