A review of cavity-based trapped vortex, ultra-compact, high-g, inter-turbine combustors

D Zhao, E Gutmark, P de Goey - Progress in Energy and Combustion …, 2018 - Elsevier
Trapped vortex combustor (TVC) is different from conventional swirl-stabilized combustors. It
takes advantages of a cavity to stabilize the flame. When the cavity size of a TVC is well …

Experimental study on the effect of injection schemes on fuel spray and combustion characteristics in a compact combustor

Y Zhao, W Fan, R Zhang - Aerospace Science and Technology, 2023 - Elsevier
Fuel injection schemes based on close-coupled injection are usually used in compact
combustor design. In this paper, an experimental method is adopted to study the fuel spray …

Influence of coupling schemes of radial and circumferential flame stabilization modes on flow and combustion characteristics of compact combustion for gas turbine

Y Zhao, W Fan, R Zhang - Fuel, 2023 - Elsevier
The combination of the strut and cavity is a common structural configuration for ultra-
compact combustor in the gas turbine. The streamwise vortices inside the cavity play the role …

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 …

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 …

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 …

Investigation of Air Injection and Cavity Size Within a Circumferential Combustor to Increase G-Load and Residence Time

AE Cottle, MD Polanka… - … of Engineering for …, 2018 - asmedigitalcollection.asme.org
A gas turbine combustion process subjected to high levels of centrifugal acceleration has
demonstrated the potential for increased flame speeds and shorter residence times …

Flow Field Dynamics in a High-g Ultra-Compact Combustor

AE Cottle - 2016 - scholar.afit.edu
Abstract The Ultra Compact Combustor (UCC) presents a novel solution to the advancement
of aircraft gas turbine engine performance. A high-g UCC design operates by diverting a …

Optical Diagnostics in a High-g Combustion Cavity

A Cottle, NA Gilbert, MD Polanka, LP Goss… - 52nd AIAA/SAE/ASEE …, 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 in all aspects from …