Pennsylvania State University
Interests in ASCENT:
- Alternative Jet Fuels
- Noise Research
Contact:
Vic Sparrow
vws1@psu.edu
Projects
- Advanced Two-Stage Turbine Rig Development
- Novel Noise Linear Development Enabled by Advance Manufacturing
- Noise Model Validation for AEDT
- Measurements to Support Noise Certification for UAS/UAM Vehicles and Identify Noise Reduction Opportunities
- Combustor Wall Cooling Concepts for Dirt Mitigation
- Jet Noise Modeling and Measurements to Support Reduced LTO Noise of Supersonic Aircraft Technology Development
- Turbine Cooling Through Additive Manufacturing
- Support for Supersonic Aircraft Noise Efforts in ICAO CAEP
- Modeling of Urban Air Mobility Noise to Enable Innovative Means of Noise Reduction
- Rotorcraft Noise Abatement Procedures Development
- Acoustical Model of Mach Cut-off (COMPLETE)
- Identification of Noise Acceptance Onset for Noise Certification Standards of Supersonic Airplanes (COMPLETE)
- Quantifying Uncertainties in Predicting Aircraft Noise in Real-world Situations (COMPLETE)
- Emissions Data Analysis for CLEEN, ACCESS, and Other Recent Tests (COMPLETE)
- Analytical Approach for Quantifying Noise from Advanced Operational Procedures
- Noise Outreach (COMPLETE)
- Civil, Supersonic Over Flight, Sonic Boom (Noise) Standards Development (COMPLETE)
- Rotorcraft Noise Abatement Operating Conditions Modeling (COMPLETE)
- Noise Emission and Propagation Modeling (COMPLETE)
- Alternative Jet Fuel Supply Chain Analysis
Lead Investigators
Publications
- Time-Varying Noise of Electric Multirotor Aircraft
- Broadband Noise Modulation of Multirotor Aircraft
- Dirt Ingestion Impacts on Cooling Within a Double-Walled Combustor Liner
- Effects of Wind on Multirotor UAS Noise Measurements
- Influence of Dilution and Effusion Flows in Generating Variable Inlet Profiles for a High-Pressure Turbine
- Time-Varying Broadband Noise of Multirotor Aircraft
- Calibration of an Air Data System for Small Multirotor Aircraft
- Multipath Interpretation of Secondary Sonic Boom Signatures
- Understanding Takeoff and Landing Noise for Small Multirotor Vehicles.
- Multirotor Noise Source Separation and Characterization from Ground-Based Acoustic Measurements
- Helicopter Noise Source Separation Using an Order Tracking Filter
- Variability of Small Multirotor Aircraft Noise Measurements
- Comparison of Dirt Deposition on Double-Walled Combustor Liner Geometries
- The Role of Topography for Secondary Sonic Boom Reflection
- Investigation of Departure Transition Noise for Lift-plus-cruise eVTOL Aircraft
- An Experimental Investigation of eVTOL Flight State Variance on Noise
- Using High-Fidelity Weather Data to Improve Impedance and Absorption Adjustment Values in Airport Noise Level Predictions
- Studies on the Acoustic Far-field Distance of Urban Air Mobility Aircraft
- A Method to Design and Develop Additively Manufactured Aircraft Acoustic Liners
- Determining the Acoustic Far Field for Multirotor Aircraft
- Numerical Method Comparison on Shaped Sonic Boom Propagation Through Atmospheric Boundary Layer Turbulence
- Secondary Sonic Boom Predictions for U.S. Coastlines
- Development of a Source Separation Process for Multirotor Aeroacoustic Analysis
- Implementation of a Phase Synchronization Algorithm for Multirotor UAVs
- Development of Experimental Methodology to Determine the Heat Transfer of Additively Manufactured Airfoil Channels in a High-Speed Linear Cascade Rig
- Helicopter Noise Modeling With Varying Fidelity Prediction Systems
- Ground Based Measurements and Acoustic Characterization of Small Multirotor Aircraft
- Measurement and Characterization of Multirotor Unmanned Aerial System Noise
- Modeling Acoustic Impedance and Atmospheric Absorption Around Airports Using High-fidelity Weather Data
- Time Variation of Helicopter Rotor Broadband Noise
- Dirt Mitigation Techniques in Double-Walled Combustor Liners
- Ground-based Acoustic Measurements of Small Multirotor Aircraft
- Helicopter Noise Source Separation using an Order Tracking Filter
- An Investigation of Piloting and Flight Control Strategies on Generic eVTOL Noise
- Variation in Helicopter Noise During Approach Maneuvers
- Noise Prediction of Rotorcraft Acoustics for a Conceptual eVTOL Design and Conventional Helicopters
- Regulatory and Policy Analysis of Production, Development and Use of Sustainable Aviation Fuels in the United States
- Time-Varying Rotor Noise Computations and Analysis of Electric Vertical Take-Off and Landing Aircraft
- A New Distributed Electric Propulsion Aircraft Simulation Tool for Coupled Flight Dynamics, Free Wake, and Acoustic Predictions
- Time Variation of Rotor Broadband Noise
- 3-D Acoustic Ray-Tracing Model of Mach Cutoff Flight
- 2020 Literature Review on Secondary Sonic Boom
- Spatial Hearing and Virtual Auditory Display
- Rotorcraft Noise Prediction System Validation and Analysis for Generating Noise Abatement Procedures
- Estimating Uncertainties Using Judgmental Forecasts with Expert Heterogeneity
- Meteorological Reanalysis Data Inputs for Improved Aviation Noise Modeling
- Dynamics and Uncertainty in Land Use Conversion for Perennial Energy Crop Production: Exploring Effects of Payments for Ecosystem Services Policies
- Developing a Comprehensive Noise Prediction System for Generating Noise Abatement Procedures
- Validation of Helicopter Noise Prediction System with Flight Data
- Quantifying the Effect of Uncertainty in Meteorological Conditions on Aircraft Noise Propagation
- Perceptual Characterization of Mach cut-off Sonic Booms
- An improved Mach cut-off model based on a 3-D ray tracing method and realistic atmospheric data
- Investigation of Deturbing Methods for Sonic Boom Signatures
- The Minimum Number of Ground Measurements Required for Narrow Sonic Boom Metric 90% Confidence Intervals
- Quantifying Sonic Boom Metric Variability
- Single Event Comparisons of Predicted and Measured Sound at Vancouver International Airport
- Communities Ready for Takeoff: Integrating Social Assets for Biofuel Site-selection Modeling
- Stability of Sonic Boom Metrics Regarding Signature Distortions from Atmospheric Turbulence
- Pulsed Laser Annealing of Carbon
- Laboratory Test Bed for Sonic Boom Propagation
- Subjective Study on Attributes Related to Mach Cut-off Sonic Booms
- Preliminary Assessment and Extension of an existing Mach Cut-off Model
- The Minimum Number of Ground Measurements Required for Narrow Sonic Boom Metric Confidence Intervals
- Quantifying Uncertainties in Predicting Aircraft Noise in Real-world Situations
- Meteorological Reanalysis Data Inputs for Improved Aircraft Noise Modeling
- Aviation Noise Impacts: State of the Science
- Predictive Model Development for Aviation Black Carbon Mass Emissions from Alternative and Conventional Fuels at Ground and Cruise
- Rotorcraft Noise Abatement Procedures Development
- Rotorcraft Simulations with Coupled Flight Dynamics, Free Wake, and Acoustics
- Aviation Black Carbon Mass Predictive Model for Alternative and Traditional Fuels at Ground and Cruise
- Rotorcraft Simulations with Coupled Flight Dynamics, Free Wake, and Acoustics
- Measured N-wave Sonic Boom Events and Sensitivity in Sonic Boom Metrics
- Absorption and Dispersion Predictions of Noise from En-route Subsonic and Supersonic Aircraft
- Tools for Development and Analysis of Rotorcraft Noise Abatement
- Effects of Carbon Dioxide on Atmospheric Absorption of Noise for En-route Aircraft and Supersonic Aircraft
- Tools for Development and Analysis of Rotorcraft