Topics: Chemistry , Combustion chambers , Gas turbines , Flamelet generated manifold , Nitrogen oxides , Combustion , Soot , Aircraft engines , Emissions , Engineering simulation

Impact of Boundary Condition and Kinetic Parameter Uncertainties on NO_x Predictions in Methane-Air Stagnation Flame Experiments

Antoine Durocher, Jiayi Wang, Gilles Bourque, Jeffrey M. Bergthorson

GT 2021; V03BT04A002doi:https://doi.org/10.1115/GT2021-59404

Abstract

View Article

PDF

Topics: Boundary-value problems , Flames , Methane , Nitrogen oxides , Uncertainty , Chemistry , Combustion , Engineering simulation , Modeling , Nitrogen

Exploring Use of Hydrogen for Extending Operability of a Full-Scale Annular Combustor

Candy Hernandez, Vincent McDonell, Jacob Delimont, Gareth Oskam, Michael Ramotowski

GT 2021; V03BT04A003doi:https://doi.org/10.1115/GT2021-59419

Abstract

View Article

PDF

Topics: Combustion chambers , Hydrogen , Natural gas , Stress

Localized Breakup Instabilities for a Liquid Jet in Crossflow

Sheikh Salauddin, Wilmer Flores, Michelle Otero, Kareem Ahmed

GT 2021; V03BT04A004doi:https://doi.org/10.1115/GT2021-59421

Abstract

View Article

PDF

Topics: Aviation , Flow (Dynamics) , Fuels , Hydrodynamic stability , Momentum , Nonlinear dynamical systems , Principal component analysis , Rayleigh-Taylor instability , Resolution (Optics) , Shear (Mechanics)

Investigation of Non-Premixed Hydrogen-Oxygen Impinged Jet Flame Under Steam Dilution

Yong Fan, Taku Tsujimura, Norihiko Iki, Osamu Kurata, Hirohide Furutani

GT 2021; V03BT04A005doi:https://doi.org/10.1115/GT2021-59425

Abstract

View Article

PDF

Topics: Additive manufacturing , Combustion , Flames , Hydrogen , Oxygen , Steam

Influence of Alternative Fuels on the Liner Metal Temperatures in a V2500 Combustor

Lukas Schäflein, Ludovic de Guillebon, Marco Konle

GT 2021; V03BT04A006doi:https://doi.org/10.1115/GT2021-59443

Abstract

View Article

PDF

Topics: Combustion chambers , Fuels , Heat transfer , Metals , Physics , Sustainability , Temperature

Evaluation of Blow-Off Dynamics in Aero-Engine Combustors Using Recurrence Quantification Analysis

Ho Yin Leung, Efstathios Karlis, Yannis Hardalupas, Andrea Giusti

GT 2021; V03BT04A007doi:https://doi.org/10.1115/GT2021-59484

Abstract

View Article

PDF

Topics: Aircraft engines , Combustion chambers , Dynamics (Mechanics) , Flames , Engines , Aircraft , Flight , Nonlinear dynamical systems , Pressure measurement

Prediction of CO Emission Index for Aviation Gas Turbine Combustor Using Flamelet Generated Manifold Combustion Model

Saurabh Patwardhan, Pravin Nakod, Stefano Orsino, Rakesh Yadav, Fang Xu, Vishwas Verma

GT 2021; V03BT04A008doi:https://doi.org/10.1115/GT2021-59538

Abstract

View Article

PDF

Topics: Aviation , Combustion , Combustion chambers , Emissions , Flamelet generated manifold , Gas turbines , Fuels , Engines , Drops , Sprays

Self-Excited High-Frequency Transverse Limit-Cycle Oscillations and Associated Flame Dynamics in a Gas Turbine Reheat Combustor Experiment

Jonathan McClure, Frederik M. Berger, Michael Bertsch, Bruno Schuermans, Thomas Sattelmayer

GT 2021; V03BT04A009doi:https://doi.org/10.1115/GT2021-59540

Abstract

View Article

PDF

Topics: Combustion chambers , Dynamics (Mechanics) , Flames , Gas turbines , Limit cycles , Oscillations , Acoustics , Pressure , Displacement , Heat

The Effects of Forcing Direction on the Flame Transfer Function of a Lean-Burn Spray Flame

Nicholas C. W. Treleaven, André Fischer, Claus Lahiri, Max Staufer, Andrew Garmory, Gary J. Page

GT 2021; V03BT04A010doi:https://doi.org/10.1115/GT2021-59553

Abstract

View Article

PDF

Topics: Flames , Sprays , Transfer functions , Simulation , Engineering simulation , Acoustics , Fluctuations (Physics) , Heat , Microphones , Fuel injectors

Ranking of Aircraft Fuel-Injectors Regarding Low Frequency Thermoacoustics Based on an Energy Balance Method

André Fischer, Claus Lahiri

GT 2021; V03BT04A011doi:https://doi.org/10.1115/GT2021-59561

Abstract

View Article

PDF

Topics: Acoustics , Aircraft , Energy budget (Physics) , Flames , Fuel injectors , Thermoacoustics , Transfer functions , Aircraft engines , Combustion chambers , Combustion systems

Recursive Sequential Combustion: A Concept Study About a Momentum-Enhanced Blend of the Reactants With Recirculated Burnt Gases

Fabrice Giuliani, Nina Paulitsch, Andrea Hofer

GT 2021; V03BT04A012doi:https://doi.org/10.1115/GT2021-59592

Abstract

View Article

PDF

Topics: Combustion , Gases , Momentum , Flames , Combustion chambers , Design , Flow (Dynamics) , Annulus , Emissions , Exhaust systems

Towards Reduced Order Models of Small-Scale Acoustically Significant Components in Gas Turbine Combustion Chambers

Suhas A. Kowshik, Sumukha Shridhar, N. C. W. Treleaven

GT 2021; V03BT04A013doi:https://doi.org/10.1115/GT2021-59601

Abstract

View Article

PDF

Topics: Acoustics , Combustion chambers , Gas turbines , Simulation , Computational fluid dynamics , Flow (Dynamics) , Artificial neural networks , Damping , Cooling , Design

Combustor Development and Engine Demonstration of Micro-Mix Hydrogen Combustion Applied to M1A-17 Gas Turbine

Atsushi Horikawa, Kunio Okada, Masato Yamaguchi, Shigeki Aoki, Manfred Wirsum, Harald H.-W. Funke, Karsten Kusterer

GT 2021; V03BT04A014doi:https://doi.org/10.1115/GT2021-59666

Abstract

View Article

PDF

Topics: Combustion , Combustion chambers , Emissions , Engines , Fuels , Gas turbines , Hydrogen , Industrial gases , Nitrogen oxides , Turbines

Flow Response of an Industrial Gas Turbine Combustor To Acoustic Forcing Extracted From Unforced Data

Jan Paul Beuth, Jakob G. R. von Saldern, Thomas Ludwig Kaiser, Thoralf G. Reichel, Christian Oliver Paschereit, Bernhard Ćosić, Kilian Oberleithner

GT 2021; V03BT04A015doi:https://doi.org/10.1115/GT2021-59718

Abstract

View Article

PDF

Topics: Acoustics , Combustion chambers , Flow (Dynamics) , Industrial gases , Turbines , Flames , Dynamics (Mechanics) , Fluctuations (Physics) , Combustion systems , Emissions

Combustion of Hydrogen-Methane-Air-Mixtures in a Generic Triple Swirl Burner: Numerical Studies

Neha Vishnoi, Agustin Valera-Medina, Aditya Saurabh, Lipika Kabiraj

GT 2021; V03BT04A016doi:https://doi.org/10.1115/GT2021-59744

Abstract

View Article

PDF

Topics: Combustion , Hydrogen , Methane , Nitrogen oxides , Emissions , Flow (Dynamics) , Combustion chambers , Fuels , Flames , Simulation

A Semi-Analytical Model for Prediction of Wall Quenching Distances of Premixed Flames

Huang Xia, Liu Weijie

GT 2021; V03BT04A017doi:https://doi.org/10.1115/GT2021-59809

Abstract

View Article

PDF

Topics: Flames , Methane , Quenching (Metalworking) , Radiation (Physics)

A Hybrid Adjoint Network Model for Thermoacoustic Optimization

Fellcitas Schäfer, Luca Magri, Wolfgang Polifke

GT 2021; V03BT04A018doi:https://doi.org/10.1115/GT2021-59866

Abstract

View Article

PDF

Topics: Network models , Optimization , Combustion chambers , Computation , Dampers , Ducts , S-matrix theory

Investigation on Flowfield and Fuel/Air Premixing Uniformities of Low Swirl Injector for Lean Premixed Gas Turbines

Fujun Sun, Jianqin Suo, Zhenxia Liu

GT 2021; V03BT04A019doi:https://doi.org/10.1115/GT2021-59934

Abstract

View Article

PDF

Topics: Ejectors , Fuels , Gas turbines

Investigation of Adjacent Lifted Flames Interaction in an Inline and Inclined Multi-Burner Arrangement

Mohamed Shamma, Sven Hoffmann, Stefan Raphael Harth, Nikolaos Zarzalis, Dimosthenis Trimis, Rainer Koch, Hans-Jörg Bauer, Leonardo Langone, Sofia Galeotti, Antonio Andreini

GT 2021; V03BT04A020doi:https://doi.org/10.1115/GT2021-59941

Abstract

View Article

PDF

Topics: Flames , Combustion chambers , Emissions , Nitrogen oxides , Stability , Sprays , Aircraft engines , Boundary-value problems , Chemiluminescence , Combustion

Comparison of Model Order Reduction Methods in Thermoacoustic Stability Analysis

Naman Purwar, Maximilian Meindl, Wolfgang Polifke

GT 2021; V03BT04A021doi:https://doi.org/10.1115/GT2021-59972

Abstract

View Article

PDF

Topics: Stability , Acoustics , Flames , Cavities , Transfer functions , Algorithms , Computation , Optimization , Wave propagation

Vortex Breakdown and Recirculation Bubble Formation in Counter Swirl Flows

Ravi K. Bompelly, Sai Phani Keerthan Ponduri, Sriharsha Maddila

GT 2021; V03BT04A022doi:https://doi.org/10.1115/GT2021-60005

Abstract

View Article

PDF

Topics: Bubbles , Flow (Dynamics) , Vortices

Thermoacoustic Instabilities of Hydrogen-Enriched Partially Premixed Flames in a Swirl Combustor

Y. Gong, D. Fredrich, A. J. Marquis, W. P. Jones, I. Boxx

GT 2021; V03BT04A023doi:https://doi.org/10.1115/GT2021-60009

Abstract

View Article

PDF

Topics: Combustion chambers , Flames , Hydrogen , Chemistry , Combustion , Oscillations , Chemical reactions , Density , Dynamics (Mechanics) , Feedback

Dynamical Characterization of Thermoacoustic Oscillations in a Hydrogen-Enriched Partially Premixed Swirl-Stabilized Methane/Air Combustor

Abhishek Kushwaha, Praveen Kasthuri, Samadhan A. Pawar, R. I. Sujith, Ianko Chterev, Isaac Boxx

GT 2021; V03BT04A024doi:https://doi.org/10.1115/GT2021-60011

Abstract

View Article

PDF

Topics: Combustion chambers , Hydrogen , Methane , Oscillations , Sound pressure , Cycles , Heat , Flames , Acoustics , Flow (Dynamics)

High-Temperature Ignition Kinetics of Gas Turbine Lubricating Oils

Sean P. Cooper, Eric L. Petersen

GT 2021; V03BT04A025doi:https://doi.org/10.1115/GT2021-60043

Abstract

View Article

PDF

Topics: Gas turbines , High temperature , Ignition , Lubricating oils , Shock tubes , Sprays

Isentropic Formulation of the Linearized Euler Equations For Perfectly Premixed Combustion Systems

Pedro Romero Vega, Thomas Hofmeister, Gerrit Heilmann, Christoph Hirsch, Thomas Sattelmayer

GT 2021; V03BT04A026doi:https://doi.org/10.1115/GT2021-60055

Abstract

View Article

PDF

Topics: Acoustics , Combustion chambers , Combustion systems , Damping , Density , Entropy , Flow (Dynamics) , Gas turbines , Heat , Momentum

Experimental Study on High Pressure Combustion of Decomposed Ammonia: How Can Ammonia Be Best Used in a Gas Turbine?

Mario Ditaranto, Inge Saanum, Jenny Larfeldt

GT 2021; V03BT04A027doi:https://doi.org/10.1115/GT2021-60057

Abstract

View Article

PDF

Topics: Combustion , Gas turbines , High pressure (Physics) , Hydrogen , Nitrogen oxides

Acoustic-Convective Interference In Transfer Functions of Methane/Hydrogen and Pure Hydrogen Flames

Eirik Æsøy, José G. Aguilar, Mirko R. Bothien, Nicholas A. Worth, James R. Dawson

GT 2021; V03BT04A028doi:https://doi.org/10.1115/GT2021-60058

Abstract

View Article

PDF

Topics: Acoustics , Flames , Hydrogen , Methane , Transfer functions , Flow (Dynamics) , Ejectors , Screws , Excitation , Geometry

Predicting the Amplitude of Thermoacoustic Instability Using Universal Scaling Behaviour

Induja Pavithran, Vishnu R. Unni, Abhishek Saha, Alan J. Varghese, R. I. Sujith, Norbert Marwan, Jürgen Kurths

GT 2021; V03BT04A029doi:https://doi.org/10.1115/GT2021-60074

Abstract

View Article

PDF

Topics: Acoustics , Combustion , Combustion chambers , Damage , Electronics , Engines , Failure , Gas turbines , Limit cycles , Oscillations

A Comprehensive Model for Cetane Number Prediction Using Machine Learning

Abdul Gani Abdul Jameel

GT 2021; V03BT04A030doi:https://doi.org/10.1115/GT2021-60097

Abstract

View Article

PDF

Topics: Artificial neural networks , Ignition , Machine learning , Fuels , Algorithms , Combustion , Errors , Ester , Ethers (Class of compounds) , Feedforward control

On-Design Component-Level Multiple-Objective Optimization of a Small-Scale Cavity-Stabilized Combustor

Alejandro M. Briones, Timothy J. Erdmann, Brent A. Rankin

GT 2021; V03BT04A031doi:https://doi.org/10.1115/GT2021-60102

Abstract

View Article

PDF

Topics: Cavities , Combustion chambers , Design , Optimization , Combustion , Computational fluid dynamics , Engineering simulation , Simulation , Algorithms , Engines

Grid Plate Flame Stabilizer for High Intensity Gas Turbine Combustion: The Influence of the Method of Fuel Injection on Mixing, Flame Development and NO_x Emissions

José Ramón Quiñonez Arce, Gordon E. Andrews, Alan D. Burns, Naman Al-Dabbagh

GT 2021; V03BT04A032doi:https://doi.org/10.1115/GT2021-60105

Abstract

View Article

PDF

Topics: Combustion , Computational fluid dynamics , Emissions , Flames , Fuels , Gas turbines , Nitrogen oxides

Experimental Investigation of Acoustic Characteristic on Orifice Shaped With Bias Flow

Melvin Ikwubuo, Jinkwan Song, Jong Guen Lee

GT 2021; V03BT04A033doi:https://doi.org/10.1115/GT2021-60118

Abstract

View Article

PDF

Topics: Acoustics , Combustion , Dynamics (Mechanics) , Flow (Dynamics) , Orifices , Combustion chambers , S-matrix theory , Waves , Aerodynamic noise , Boundary-value problems

Characterization of Dynamics of Unstable Fuel-Rich Flame

M. Weber, J. Song, J. G. Lee

GT 2021; V03BT04A034doi:https://doi.org/10.1115/GT2021-60121

Abstract

View Article

PDF

Topics: Dynamics (Mechanics) , Flames , Fuels , Emissions , Pressure , Combustion chambers , Combustion , Delays , Heat , Imaging

Experimental Investigation of a High Velocity Gaseous Jet Injection Into an Oscillating Crossflow

Jinkwan Song, Johnathan Wilson, Jong Guen Lee

GT 2021; V03BT04A035doi:https://doi.org/10.1115/GT2021-60122

Abstract

View Article

PDF

Topics: Oscillations

Ozone Production With Plasma Discharge: Comparisons Between Activated Air and Activated Fuel/Air Mixture

Ghazanfar Mehdi, Maria Grazia De Giorgi, Donato Fontanarosa, Sara Bonuso, Antonio Ficarella

GT 2021; V03BT04A036doi:https://doi.org/10.1115/GT2021-60167

Abstract

View Article

PDF

Topics: Combustion , Fuels , Plasmas (Ionized gases)

Application of Large Eddy Simulation for HA_Class Combustion System Design to Mitigate Combustion Instabilities (Frequency, and Amplitude)

Azardokht Hajiloo, Venkat Narra, Erin Krumenacker, Hasan Karim, Lee Shunn, Sanjeeb Bose, Frank Ham

GT 2021; V03BT04A037doi:https://doi.org/10.1115/GT2021-60184

Abstract

View Article

PDF

Topics: Combustion , Combustion systems , Design , Large eddy simulation , Combustion chambers , Engineering simulation , Engines , Fuels , Gas turbines , Hardware

Experimental Investigation on Nonlinear Response of a Low-Swirl Flame to Acoustic Excitation with Large Amplitude

Weijie Liu, Liang Zhang, Ranran Xue, Qian Yang, Huiru Wang

GT 2021; V03BT04A038doi:https://doi.org/10.1115/GT2021-60216

Abstract

View Article

PDF

Topics: Acoustics , Excitation , Flames , Heat , Combustion chambers , Emissions , Gas turbines , Limit cycles , Methane , Oscillations

Low-Emissions Technology Development for Auxiliary Power Unit Combustion Systems

Thomas Bronson, Rudy Dudebout, Nagaraja Rudrapatna

GT 2021; V03BT04A039doi:https://doi.org/10.1115/GT2021-60228

Abstract

View Article

PDF

Topics: Combustion chambers , Combustion systems , Emissions , Gas turbines , Technology development

Comparison of Performance of Flamelet Generated Manifold Model With That of Finite Rate Combustion Model for Hydrogen Blended Flames

Sourabh Shrivastava, Ishan Verma, Rakesh Yadav, Pravin Nakod, Stefano Orsino

GT 2021; V03BT04A040doi:https://doi.org/10.1115/GT2021-60232

Abstract

View Article

PDF

Topics: Combustion , Flamelet generated manifold , Flames , Hydrogen

Investigation on the Effects of Field Emission Plasma on the Performance of a Micro-Combustor

Maria Grazia De Giorgi, Giacomo Cinieri, Donato Fontanarosa, Antonio Ficarella

GT 2021; V03BT04A041doi:https://doi.org/10.1115/GT2021-60258

Abstract

View Article

PDF

Topics: Combustion chambers , Electron field emission , Plasmas (Ionized gases) , Combustion , Electrons , Chemistry , Excitation , Modeling , Pressure , Propellants

Reducing Uncertainty in the Onset of Combustion Instabilities Using Dynamic Pressure Information and Bayesian Neural Networks

Michael McCartney, Ushnish Sengupta, Matthew Juniper

GT 2021; V03BT04A042doi:https://doi.org/10.1115/GT2021-60283

Abstract

View Article

PDF

Topics: Artificial neural networks , Combustion , Pressure , Uncertainty , Hidden variables , Combustion chambers , Combustion systems , Emissions , Errors , Wall temperature