Project Number: 059
Category: Aircraft Technology Innovation, Noise, Supersonics
Annual Reports
2020:
ASCENT 059A/E (Georgia Tech & PSU) ASCENT 059B (Georgia Tech & Gulfstream) ASCENT 059C (U of I) ASCENT 059D (Stanford)
2021:
ASCENT 059A(Georgia Tech & PSU) ASCENT 059B (Georgia Tech & Gulfstream) ASCENT 059C (U of I) ASCENT 059D (Stanford) ASCENT 059E (PSU)
2022:
ASCENT 059A (Georgia Tech) ASCENT 059B (Georgia Tech & Gulfstream) ASCENT 059C (U of I) ASCENT 059D (Stanford) ASCENT 059E (PSU)
2023:
ASCENT 059B (Georgia Tech & Gulfstream) ASCENT 059C (U of I) ASCENT 059D (Stanford) ASCENT 059E (PSU)
2024:
ASCENT 059A Final Report (Georgia Tech) ASCENT 059B (Georgia Tech & Gulfstream) ASCENT 059C (U of I) ASCENT 059D (Stanford) ASCENT 059E (PSU)
Participants
Lead Investigators
Program Managers
Publications
- Measuring/Suppressing Vortex Shedding from a Confluent Nozzle’s Core-Nozzle Lip
- Large-Eddy Simulation of Jet Noise Using the Energy Cascade
- RANS-Based Methods for the Prediction and Reduction of Jet Noise
- Noise Predictions of a Dual-Stream Jet With Forced Internal Mixing
- ASCENT 59: Aerodynamic Design of Nozzles and Mixers
- CFD Validation of Engine Inlet Duct Pressure Loss Model for Subsonic Non-Uniform Cross-Section Duct
- Localized Resolvent-mode Bases for Turbulence Statistics
- Computational Aeroacoustic Study of Coannular Nozzles with Internal Mixing Geometries at High Transonic Mach Numbers
- Spectral Proper Orthogonal Decomposition of Harmonically Forced Turbulent Flows
- Resolvent-based Framework for Jet Noise Reduction of a Low-bypass Ratio Coannular Nozzle
- An AD Framework for Jet Noise Minimization Using Geometrical Acoustics
- Towards Quieter Supersonic Flight: A Computational Aeroacoustic Study of High-Speed Jets
- 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
- Cyclostationary Analysis of Forced Turbulent Jets
- Optimization of Turbulent Time Scales for Jet Noise Prediction
- Ray Tracing Methodology for Jet Noise Prediction
- 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
- Numerical Simulations and Acoustic Modeling of a Co-annular Nozzle with an Internal Mixing Duct
- Real-time Supersonic Jet Noise Predictions from Near-field Sensors with a Wavepacket Model
- Resolvent Modeling of Turbulent Jets