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

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.

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.

Acoustic and Psychoacoustic Characterisation of Small-Scale Contra-Rotating Propellers (2023)
Journal Article
Casagrande Hirono, F., Robertson, J., & Torija Martinez, A. J. (2023). Acoustic and Psychoacoustic Characterisation of Small-Scale Contra-Rotating Propellers. Journal of Sound and Vibration, 569, https://doi.org/10.1016/j.jsv.2023.117971

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.

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.

Aerodynamic and aeroacoustic design of electric ducted fans (2024)
Journal Article
Casagrande Hirono, F., Torija, A. J., Grimshaw, S. D., Cousins, D., Farman, J., & Taylor, J. V. (in press). Aerodynamic and aeroacoustic design of electric ducted fans. Aerospace science and technology, 153, 109411. https://doi.org/10.1016/j.ast.2024.109411

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.

Requirements for Drone Operations to Minimise Community Noise Impact (2022)
Journal Article
Ramos-Romero, C., Green, N., Roberts, S., Clark, C., & Torija, A. J. (2022). Requirements for Drone Operations to Minimise Community Noise Impact. International Journal of Environmental Research and Public Health, 19(15), 9299. https://doi.org/10.3390/ijerph19159299

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.