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PhD position "Optimizing closed wind tunnels for acoustic measurements "

The design of silent wind turbine blades and low-noise aircraft components is impeded by the lack of suitable facilities for testing at realistic dimensions. …

3 maanden geleden


Mekelweg, Delft, Zuid-Holland
Tijdelijk contract / Tijdelijke opdracht
Uren per week:
38 - 38 uur
€ 2325 - € 2972 per maand


The design of silent wind turbine blades and low-noise aircraft components is impeded by the lack of suitable facilities for testing at realistic dimensions. This project revolutionizes the concept of noise measurements in wind tunnels by proposing a new microphone array, abating both the turbulent boundary layer noise and the noise radiated from the walls. Combined with modern microphone array technology this project will allow for the first time an effective measurement of wind turbine blades that are designed for minimal noise radiation.

The project consists of two sub-projects. The current subproject aims at optimizing the wind tunnel. The researcher will focus on understanding and predicting Turbulent Boundary Layer (TBL) noise radiation from the wind tunnel walls. Empirical models for TBL characteristics together with TBL measurements will be used to guide a more detailed numerical study. This latter will then be used to predict the acoustic effects of surface modifications. The researcher will propose optimum wall modifications that will be tested experimentally. Within the project close collaboration with several wind energy companies as final users of the technology is an important aspect.


The candidate should have an MSc degree in an area relevant to the subject, e.g. aerospace engineering, (applied) physics, applied mathematics, electrical engineering, materials or mechanical engineering. A combination of good mathematical/analytical and strong interest in numerical design is essential. Interest in performing experiments is also of high importance. A solid knowledge of signal processing and advanced programming skills are advantageous for this position.


TU Delft offers a customisable compensation package, a discount for health insurance and sport memberships, and a monthly work costs contribution. Flexible work schedules can be arranged. An International Children’s Centre offers childcare and an international primary school. Dual Career Services offers support to accompanying partners. Salary and benefits are in accordance with the Collective Labour Agreement for Dutch Universities. You will have 232 hours of paid leave each year and in addition to your salary, at TU Delft you will receive an annual holiday allowance of 8% and a year-end bonus of 8.3% of your salary.

As a PhD candidate you will be enrolled in the TU Delft Graduate School. TU Delft Graduate School provides an inspiring research environment; an excellent team of supervisors, academic staff and a mentor; and a Doctoral Education Programme aimed at developing your transferable, discipline-related and research skills. Please visit www.tudelft.nl/phd for more information.

Additional information

For information about this vacancy, you can contact Assistant professor D. Ragni, d.ragni@tudelft.nl, tel. +3115 2782053, or Dr. Mirjam Snellen, Associate professor +31152788144, email m.snellen@tudelft.nl.

To apply, please send an application letter by e-mail, a curriculum vite, transcripts of BSc and MSc degrees, copies of BSc and MSc diplomas, proof of language skills if applicable, and the names of two references by March 1 2019 to Ms. M. Snellen, m.snellen@tudelft.nl.

When applying, please refer to vacancy number LR19.05.