PhD Position Semi-Empirical Modelling for Enhanced Aircraft Noise Annoyance Assessment

PhD Position Semi-Empirical Modelling for Enhanced Aircraft Noise Annoyance Assessment

Aircraft noise is one of the main issues faced by the aerospace industry. Join a cutting-edge PhD in aircraft noise modeling and help shape the future of quiet, sustainable flight!

Job description

This PhD position is part of the Dutch Aviation Systems Analysis Lab (DASAL project, a flagship collaboration between TU Delft and Royal NLR, funded through the Dutch national growth fund under the ‘Luchtvaart in Transitie’ programme. DASAL serves as a living lab for developing integrated models and simulations to support innovation throughout the Dutch aviation sector and public policy. Within this unique ecosystem, you will join a diverse and interdisciplinary team of PhD candidates and postdocs from across the Faculty of Aerospace Engineering, collaborating closely with experts at NLR and the Ministry of Infrastructure and Water Management to analyse the complex interactions between sustainability, economics, and societal impact in aviation.

Whereas current aircraft noise prediction models used for monitoring and legislation, i.e., the Dutch noise calculation model and ECAC Doc.29, are fast and relatively accurate regarding predictions of overall sound level, these models do not provide information to allow for estimating the psychoacoustic annoyance metrics (i.e. the spectral and temporal components of the sound). In addition, new configurations such as the BWB or new engine technologies cannot be accounted for.

To tackle these limitations, aircraft source noise models on a component level are needed. These models need to be modular and, as such, be able to account for introducing new aircraft components. The literature describes the first versions of such models, but some of them stem from the 1970s and are, therefore, relatively outdated. Within DASAL, an enhanced version of these models will be realized, based on theoretical considerations, measurements, and literature findings. These models also provide the spectral content (so not only the overall sound pressure level) and, as such, can be used for auralization (making synthetic sound predictions audible) and subsequent noise annoyance studies.

In addition to the source noise modelling, ensuring accurate input to the model is essential for accurate noise predictions. This input concerns, for example, engine thrust. Within this task, employing the most recent insights for thrust estimation, for example, using GSP (Gas turbine Simulation Program) or databases derived from GSP, analysis of fan tone frequency, or gathering data from manufacturers/operators is also an important element.

Job requirements

• MSc Degree in Aerospace Engineering, Aeronautical Engineering, Acoustical Engineering, or Mechanical Engineering with specialization for aeronautics
• Strong background in physics and mathematics, ideally knowledge in acoustics
• Strong background in programming, e.g., MATLAB and/or Python
• Ability to learn independently and passion for research
• Strong communication skills in English
• Team player, open to discussion and constructive criticism
• Previous involvement in scientific research is a plus

TU Delft (Delft University of Technology)

Delft University of Technology is built on strong foundations. As creators of the world-famous Dutch waterworks and pioneers in biotech, TU Delft is a top international university combining science, engineering and design. It delivers world class results in education, research and innovation to address challenges in the areas of energy, climate, mobility, health and digital society. For generations, our engineers have proven to be entrepreneurial problem-solvers, both in business and in a social context.

At TU Delft we embrace diversity as one of our core values and we actively engage to be a university where you feel at home and can flourish. We value different perspectives and qualities. We believe this makes our work more innovative, the TU Delft community more vibrant and the world more just. Together, we imagine, invent and create solutions using technology to have a positive impact on a global scale. That is why we invite you to apply. Your application will receive fair consideration.

Challenge. Change. Impact!

Faculty Aerospace Engineering

The Faculty of Aerospace Engineering at Delft University of Technology is one of the world’s most highly ranked (and most comprehensive) research, education and innovation communities devoted entirely to aerospace engineering. More than 200 science staff, around 270 PhD candidates and close to 3000 BSc and MSc students apply aerospace engineering disciplines to address the global societal challenges that threaten us today, climate change without doubt being the most important. Our focal subjects: sustainable aerospace, big data and artificial intelligence, bio-inspired engineering and smart instruments and systems. Working at the faculty means working together. With partners in other faculties, knowledge institutes, governments and industry, both aerospace and non-aerospace. Working in field labs and innovation hubs on our university campus and beyond.

Conditions of employment

Doctoral candidates will be offered a 4-year period of employment in principle, but in the form of 2 employment contracts. An initial 1,5 year contract with an official go/no go progress assessment within 15 months. Followed by an additional contract for the remaining 2,5 years assuming everything goes well and performance requirements are met.

Salary and benefits are in accordance with the Collective Labour Agreement for Dutch Universities, increasing from € 2901 per month in the first year to € 3707 in the fourth year. As a PhD candidate you will be enrolled in the TU Delft Graduate School. The TU Delft Graduate School provides an inspiring research environment with an excellent team of supervisors, academic staff and a mentor. The Doctoral Education Programme is aimed at developing your transferable, discipline-related and research skills.

The TU Delft offers a customisable compensation package, discounts on health insurance, and a monthly work costs contribution. Flexible work schedules can be arranged.

Additional information
If you would like more information about this vacancy or the selection procedure, please contact Dr.Dr. Roberto Merino Martinez, via r.merinomartinez@tudelft.nl.