Georgia Institute of Technology
Interests in ASCENT:
- Emissions
- Air Quality and Climate Modeling
- Aircraft Technology Modeling
- Alt Jet Fuel Analysis
- Operational Procedures
- Analysis to Support Environmental Std Setting
Contact:
Dimitri Mavris
dimitri.mavris@ae.gatech.edu
Projects
- Strategies for Improving En-Route Fuel Efficiency
- Integrated Noise and CO2 Standard Setting Analysis
- FAST-Tech System Level Assessment
- Future Transportation System Opportunities and Constraints
- Assessment of Fuel Cells for Powering Modern Business Jets
- Probabilistic Unmanned Aircraft Systems (UAS) Trajectory and Noise Estimation Tool
- Noise Model Validation for AEDT
- Improved Open Rotor Noise Prediction Capabilities
- Noise Certification Streamlining
- Low Emission Premixed Combustion Technology for Supersonic Civil Transport
- Reduction of nvPM Emissions via Aero-Engine Fuel Injector Design
- Jet Noise Modeling and Measurements to Support Reduced LTO Noise of Supersonic Aircraft Technology Development
- Geospatially Driven Noise Estimation Module
- Parametric Noise Modeling For Boundary Layer Ingesting Propulsors
- Predictive Simulation of nvPM Emissions in Aircraft Combustors
- Alternative Design Configurations to meet Future Demand
- Analytical Methods for Expanding the AEDT Aircraft Fleet Database
- Low Emissions Lean Pre-Mixed, Pre-Vaporized Combustion Technology for Subsonic Civil Transport
- AEDT Evaluation and Development Support
- Over-Wing Engine Placement
- Noise Generation and Propagation from Advanced Combustors
- Noise Power Distance Re-Evaluation
- Takeoff/Climb Analysis to Support AEDT APM Development
- Acoustical Model of Mach Cut-off
- CLEEN II Technology Modeling and Assessment
- Parametric Uncertainty Assessment for AEDT2b
- Airline Flight Data Examination to Improve flight Performance Modeling
- Analysis to Support the Development of an Aircraft CO2 Standard
- National Jet Fuels Combustion Program – Area #4: Combustion Model Development and Evaluation
- National Jet Fuels Combustion Program – Area #3: Advanced Combustion Tests
- Rapid Fleet-wide Environmental Assessment Capability
- Aircraft Technology Modeling and Assessment
- Estimate of Noise Level Reduction
Lead Investigators
Publications
- SPIN: A data-driven model to reduce large chemical reaction networks
- Predicting Aggregation Rates of Polycyclic Aromatics Through Machine Learning
- Preliminary AEDT Noise Model Validation using Real-World Data
- Study of Soot Formation in a Multi-sector RQL Aeroengine Combustor
- Coherence Between the Globally Integrated Heat Release Rate and Acoustic Pressure in an Enclosed Duct
- MBSE-Enabled System Verification of Unmanned Aerial System (UAS) Noise Certification
- A Process Improvement Model and Visualization Environment for Unmanned Aerial System (UAS) Noise Certification Flight Testing
- Elucidating the Polycyclic Aromatic Hydrocarbons Involved in Soot Inception
- Experimental Investigation of Broadband Noise Sources in a Swirl Stabilized RQL Combustor
- Acoustic and Optical Flame Transfer Function Measurements in a High-Pressure Lean-Burn Aero-Engine Combustor Fueled With Jet A
- Comparison of Overwing and Underwing Nacelle Aeropropulsion Optimization for Subsonic Transport Aircraft
- Howling in a Model-Scale Internally Mixed Confluent Nozzle Related to Excited Core-Jet Instability
- Howling in a Model-Scale Nozzle Related to Shock-Induced Boundary-Layer Separation at the Nozzle Exit
- Development of a Parametric Drag Polar Approximation for Conceptual Design
- Exploring Analytical Methods for Expanding the AEDT Aircraft Fleet Database for Environmental Modeling
- Entropy Generation Mechanisms from Exothermic Chemical Reactions in Laminar, Premixed Flames
- A Machine Learning Framework to Predict the Aggregation of Polycyclic Aromatic Compounds
- Distributed Heat Release Effects on Entropy Generation by Premixed, Laminar Flames
- Planar Time-resolved Laser-induced Incandescence for Pressurized Premixed Jet-A Combustion
- Sonic Boom Over Land Avoidance and the Impact on Economic Feasibility
- Planar Time-Resolved Laser-Induced Incandescence for Particulate Emissions in Premixed Flames at Elevated Pressures
- Forced and Unforced Dynamics of a Lean Premixed Prevaporized Combustor for Civil Supersonic Transport
- Development of a Pressurized, Liquid-Fueled Combustor for Noise Measurements
- Large Eddy Simulation of Combustion Noise in a Realistic Gas Turbine Combustor
- Aerodynamic Calibration for Aeroacoustics Validation of an Open Fan Configuration
- Model Simulations of Soot Formation due to PAH Kinetics from Mixing Layers of Jet-A Fuels
- Takeoff Ground Roll Analysis of Real-World Operations for Improved Noise Modeling
- MBSE-Enabled System Verification and Process Improvement of Transport Aircraft Certification
- Exploring Soot Inception Rate with Stochastic Modelling and Machine Learning
- Characterization of Non-volatile Particulate Matter in Pressurized Premixed Laminar Jet-A Flames Via Thermophoretic Sampling
- A Reduced Order Modeling Methodology for the Parametric Estimation and Optimization of Aviation Noise
- Comparative Assessment of AEDT Noise Modeling Assumptions Using Real-World Data
- A Multi-Fidelity Approximation of the Active Subspace Method for Surrogate Models with High-Dimensional Inputs
- A Methodology for Determining the Interdependence of Fuel Burn and LTO Noise of a Commercial Supersonic Transport
- Dynamics and Bifurcations of Laminar Annular Swirling and Non-swirling Jets
- Jet Noise from a Low-Bypass Confluent Nozzle: Mixing Length and Extraction Ratio Effects
- Self-Excited Jet from a Low-Bypass Confluent Nozzle at Unity Extraction Ratio
- Representative Data and Models for Complex Aerospace Systems Analysis
- Experimental Characterization of a Lean Prevaporized Premixed Combustor for Supersonic Transport Applications
- Improving Airport-level Noise Modeling by Accounting for Aircraft Configuration-related Noise at Arrival
- Global Dynamics of the Velocity-coupled Response of Spray Flames
- Data-Driven Analysis of Departure Procedures for Aviation Noise Mitigation
- Uncertainty-based Weight Determination for Surrogate Optimization
- Permuted Proper Orthogonal Decomposition for Analysis of Advecting Structures
- Validation of the Aviation Environmental Design Tool’s Noise Model Using High Fidelity Weather
- Parametric Optimization of Aircraft Arrival Trajectories for Aviation Noise Mitigation using BADA4 Performance Model
- Noise Model Validation using Real World Operations Data
- On the Importance of Species Selection for the Formulation of Fuel Surrogates
- Molecular Structures in Flames: A Comparison Between SNapS2 and Recent AFM Results
- Development and Analysis of Improved Departure Modeling for Aviation Environmental Impact Assessment
- Stochastic and Network Analysis of Polycyclic Aromatic Growth in a Coflow Diffusion Flame
- Data Analytics Method For Detecting Extinction Precursors To Lean Blowout In Spray Flames
- Reduced Order Modeling Methods for Aviation Noise Estimation
- Sensitivity Analysis of Aviation Environmental Impacts for the Base of Aircraft Data (BADA) Family 4
- Data-driven Approach to Environmental Impact Assessment of Real-World Operations
- Modeling the Response of Spray Flames to Velocity Disturbances
- Oxidation of 2,6-dimethylheptane at Low Temperature: Kinetic Modeling and Experimental Study
- Reaction Pathways for the Formation of Five-membered Rings onto Polyaromatic Hydrocarbon Framework
- Aircraft Landing and Takeoff Operations Clustering for Efficient Environmental Impact Assessment
- Experimental Characterization of Liquid–gas Slip in High-pressure, Swirl-stabilized, Liquid-fueled Combustors
- Improved Noise Abatement Departure Procedure Modeling for Aviation Environmental Impact Assessment
- Sensitivity Analysis of Airport Level Environmental Impacts to Aircraft Thrust, Weight, and Departure Procedures
- Near-lean Blowoff Dynamics in a Liquid Fueled Combustor
- Lean Blowout Sensitivities of Complex Liquid Fuels
- Quantification of Error for Rapid Fleet-Level Noise Computation Model Assumptions
- Preferential Vaporization Impacts on Lean Blow-out of Liquid Fueled Combustors
- Effect of Jet Fuel Composition on Forced Ignition in Gas Turbine Combustors
- Liquid Fuel Property Effects on Lean Blowout in an Aircraft Relevant Combustor
- Demonstration of a Framework for Comparing Aviation Environmental Impact Mitigation Strategies
- Dynamics of Spray Flames Under Near-lean Blowoff Conditions
- Alternate Departure Procedures for Takeoff Noise Mitigation at Atlanta Hartsfield-Jackson International Airport
- Feature Extraction From Time Resolved Reacting Flow Data Sets
- Fuel Composition Effects on Forced Ignition of Liquid Fuel Sprays
- Uncertainty Quantification Analysis of the Aviation Environmental Design Tool in Emission Inventory and Air Quality Modeling
- Parametric Uncertainty Quantification of Aviation Environmental Design Tool
- Placement of Runways at Capacity Constrained Airports to Minimize Population Exposure to Noise
- Improved Aircraft Departure Modeling for Environmental Impact Assessment
- High-Speed Imaging of Forced Ignition Kernels in Nonuniform Jet Fuel/Air Mixtures
- The Effects of Ozone Addition on Flame Propagation and Stabilization
- Average Generic Vehicle Method for Fleet-Level Analysis of Noise and Emission Tradeoffs
- Simultaneous Imaging of Fuel, OH, and Three Component Velocity Fields in High Pressure, Liquid Fueled, Swirl Stabilized Flames at 5 kHz
- Blowout Sensitivities in a Liquid Fueled Combustor: Fuel Composition and Preheat Temperature Effects
- Flow Characterization of Lifted Flames in Swirling, Reacting Flows
- Sensitivity Analysis of Supersonic Mach Cut-off Flight
- Parallel on-the-fly Adaptive Kinetics in Direct Numerical Simulation of Turbulent Premixed Flame
- Simultaneous High Speed (5 kHz) Fuel-PLIF, OH-PLIF and Stereo PIV Imaging of Pressurized Swirl-Stabilized Flames using Liquid Fuels
- Liquid Fuel Composition Effects on Forced, Nonpremixed Ignition
- Reacting Pressurized Spray Combustor Dynamics: Part 2—High Speed Planar Measurements
- A Global Pathway Selection Algorithm for the Reduction of Detailed Chemical Kinetic Mechanisms
- Reacting Pressurized Spray Combustor Dynamics: Part 1—Fuel Sensitivities and Blowoff Characterization
- Measuring Noise Level Reduction Using an Artificial Noise Source
- A Framework for Technology Exploration of Aviation Environmental Mitigation Strategies
- Development of Generic Airport Categories for Rapid Fleet-Level Noise Modeling
- Development of a Rapid Fleet-Level Noise Computation Model