DroneNoise: Addressing Public Health and Wellbeing Harms for a Sustainable Drone Sector

An acoustic and psychoacoustic assessment on the noise control of propellers in distributed propulsion configuration using phase-synchronisation Session: Experimental Techniques (2024)
Presentation / Conference Contribution

Distributed electric propulsion is widely recoginised as a promising propulsion configuration for next-generation aerial vehicles, including short-to-medium-haul passenger aircraft and urban air mobility vehicles. The presence of multiple propulsors... Read More about An acoustic and psychoacoustic assessment on the noise control of propellers in distributed propulsion configuration using phase-synchronisation Session: Experimental Techniques.

Aerodynamic and aeroacoustic design of electric ducted fans (2024)
Journal Article

This paper describes the aerodynamic and aeroacoustic design of an electric ducted fan (EDF). A prototype EDF was designed and built with three different rotor-stator sets to operate at design flow coefficients... Read More about Aerodynamic and aeroacoustic design of electric ducted fans.

Aerodynamics and Acoustics of Asymmetric Propellers With Uneven Blade Spacing (2024)
Presentation / Conference Contribution

The presented work aims to establish whether asymmetric propellers with uneven blade spacing offer any acoustic benefits over a conventional propeller with identical blade geometry. An experimental investigation was conducted to measure static thrust... Read More about Aerodynamics and Acoustics of Asymmetric Propellers With Uneven Blade Spacing.

Toward Estimating Noise–Power–Distance Curves for Propeller-Powered Zero-Emission Hydrogen Aircraft (2023)
Journal Article
Amargianitakis, D. C., Self, R. H., Torija, A. J., Proença, A. R., & Synodinos, A. P. (2023). Toward Estimating Noise–Power–Distance Curves for Propeller-Powered Zero-Emission Hydrogen Aircraft. Journal of Aircraft, 1-18. https://doi.org/10.2514/1.c037194

As part of the UK Research and Innovation project New Aviation, Propulsion, Knowledge and Innovation Network (NAPKIN), a high-level framework was developed for the assessment of the noise impact of the proposed regional-sized hydrogen-powered aircraf... Read More about Toward Estimating Noise–Power–Distance Curves for Propeller-Powered Zero-Emission Hydrogen Aircraft.

Acoustic and Psychoacoustic Characterisation of Small-Scale Contra-Rotating Propellers (2023)
Journal Article

This paper reports an experimental investigation of noise radiation and psychoacoustic evaluation of contra-rotating propellers with different blade counts over multiple emission angles and thrust settings. A series of aeroacoustic and psychoacoustic... Read More about Acoustic and Psychoacoustic Characterisation of Small-Scale Contra-Rotating Propellers.

On-field noise measurements and acoustic characterisation of multi-rotor small unmanned aerial systems (2023)
Journal Article
Ramos-Romero, C., Green, N., Torija, A. J., & Asensio, C. (2023). On-field noise measurements and acoustic characterisation of multi-rotor small unmanned aerial systems. Aerospace science and technology, 141, 108537. https://doi.org/10.1016/j.ast.2023.108537

The noise signature of small Unmanned Aerial Systems (sUAS) is highly influenced by specific operating and weather conditions. Accurate noise assessment of sUAS operations requires field noise measurements that capture all the compl... Read More about On-field noise measurements and acoustic characterisation of multi-rotor small unmanned aerial systems.

Requirements for Drone Operations to Minimise Community Noise Impact (2022)
Journal Article

The number of applications for drones under R&D have growth significantly during the last few years; however, the wider adoption of these technologies requires ensuring public trust and acceptance. Noise has been identified as one of the key concerns... Read More about Requirements for Drone Operations to Minimise Community Noise Impact.

Investigation of Metrics for Assessing Human Response to Drone Noise (2022)
Journal Article
Torija, A. J., & Nicholls, R. K. (2022). Investigation of Metrics for Assessing Human Response to Drone Noise. International Journal of Environmental Research and Public Health, 19(6), 3152. https://doi.org/10.3390/ijerph19063152

Novel electric air transportation is emerging as an industry that could help to improve the lives of people living in both metropolitan and rural areas through integration into infrastructure and services. However, as this new resource of accessibili... Read More about Investigation of Metrics for Assessing Human Response to Drone Noise.