PhD Scholarship Position in Propeller-hull Interaction Effects in Waves

Chalmers University of Technology is delighted to offer a PhD position in mechanical engineering. The funding allows successful candidate to work for five years. The deadline for applying is April 08, 2019.

The department of Mechanics and Maritime Sciences (M2) conducts fundamental and applied research in all modes of transport to achieve sustainable technological solutions. M2 holds one of Sweden's most extensive simulator centre for navigation and propulsion of ships, as well as world class laboratories within combustion engineering and wind tunnels. The department also offers and contributes to bachelor and master programs in areas such as Shipping, Automotive and Mechanical Engineering to mention a few. In addition, professional education is performed on both a national and international level, with specific designed mission training for different social actors, within our ambition for a lifelong learning. The department continuously strives to establish a cooperation between academia, industry, and society, with a great focus on utilization. M2 is characterized by an international environment with employees and students from around the world, as well as outstanding research and world class education. M2 consists of seven different divisions within the areas of engineering and maritime sciences, and one division of administration and support.

Information about the division

As a PhD student you will be part of the division of Marine Technology at the department Mechanics and Maritime Sciences. This division carries out fundamental and applied research for enabling the development and improvement of marine technology. We make propellers last longer and be quieter, we reduce the drag and improve the seakeeping properties of hulls, we design structures that perform better in collisions and require lower maintenance, we do all this and much more.

- Renewable energy

- Energy efficiency

- Structural integrity

- Hydrodynamics

- Ship design

- Safety and reliability

- Propulsion systems

- Wave dynamics

- Numerical methods

In order to design fuel efficient ships and right installed machinery onboard, ship designers need to know the interaction effects between a vessel's components. For instance, neglecting the interaction effects between propeller, hull and rudder may result in under/over-prediction of the required power, about 10%. Thanks to the development of modern computational methods and to some extent the measurement techniques during the recent years, naval architects have been able to explore the interaction effects more in detail to improve ship designs towards more sustainable systems. However, a large proportion of these studies have been carried out in model scale as well as in calm water where no incoming waves are involved. The thrust deduction fraction of ships in waves is often assumed to be the same as in calm water. In this project all these assumptions which have been taken granted for many years will be systematically evaluated. The objective is to push the boundaries of the ship hydrodynamics research further forward and study the propeller-hull interaction effects in waves to introduce new possibilities for ship fuel consumption reduction. This study will be carried out using computational tools of different fidelities (e.g. potential flow and viscous flow solvers). After validating these tools against measured data, propeller-hull interaction effects will be studied in waves through mapping the interaction effects.

The details of the departmental research activities may be found at chalmers.se/en/departments/m2/research

Major responsibilities

Your major responsibilities as PhD student is to pursue your own doctoral studies (research project and taking graduate courses) and carry out independent research. You are expected to develop your own scientific concepts and communicate the results of your research. The position includes teaching on Chalmers undergraduate level or performing other duties corresponding to (at least) 10 per cent of working hours. The position requires sound verbal and written communication skills in English.

Full-time temporary employment.The position is limited to a maximum of five years.

Qualifications

To qualify as a PhD student, you must have a master’s level degree corresponding to at least 240 higher education credits in NavalArchitecture and Ocean Engineering, Mechanical Engineering, Civil Engineering or similar.

You need to have documented experience from work/research related to ship hydrodynamics in waves. Moreover, former experiences with potential flow solvers (panel method) as well as Computational Fluid Mechanics (RANS type) solvers are required for this position. The numerical calculations will be carried out in SHIPFLOW and STAR-CCM+ and post-processed using MATLAB. You do not have to be familiar with these tools but your former experience with the tools will be considered as meritorious skills. Having a former scientific publication in the field is merituries, however it is not a requirement.

Chalmers offers a cultivating and inspiring working environment in the dynamic city ofGothenburg.

Read more aboutworking at Chalmersand ourbenefitsfor employees.

Application procedure

The application should be marked with Ref 20190142 and written in English.

CV: (Please name the document: CV, Family name, Ref. number)

CV

Other, for example previous employments or leadership qualifications and positions of trust.

Two references that we can contact.

Personal letter: (Please name the document as: Personal letter, Family name, Ref. number)

1-3 pages where you introduce yourself and present your qualifications.

Previous research fields and main research results.

Future goals and research focus.Are there any specific projects and research issues you are primarily interested in?

Copies of bachelor and/or master's thesis.

Attested copies and transcripts of completed education, grades and other certificates, eg. TOEFL test results.

Application deadline: 8 April, 2019

Arash Eslamdoost, Assistant professor at the Division of Marine Technology, E-mail: arash.eslamdoost@chalmers.se

Rickard Bensow, Full professor at the Division of Marine Technology, E-mail: rickard.bensow@chalmers.se

Katrin Axelsson, HR partner, Chalmers HR department, E-mail: katrin.axelsson@chalmers.se

Deadline: April 08, 2019
Apply Link:http://tinyurl.com/yxeb4l7o

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