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PhD student position in Modelling, simulation and analysis of flow and particle transport in gully pots – optimizing function and design in a changing climate

Sweden

The Chalmers University of Technology invites applications for a Ph.D. position will work in the division of Water Environment Technology (WET) at the Department of Architecture and Civil Engineering, Sweden – Apr 2022

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General Info

Position: PhD Position
No. of Positions: 1
Research Field: , , , ,
Deadline to Apply: Expired
Joining Date: ASAP
Contract Period: 4 Years
Salary: According to standard norms

Workplace:
Department of Architecture and Civil Engineering

Chalmers University of Technology (CUT), Sweden

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Qualification Details

To qualify for this position, you must hold a Master degree in Civil Engineering, Environmental Engineering, Mechanical Engineering, Chemical Engineering, Engineering Physics or a closely related field. Knowledge in fluid mechanics, multiphase flow and computational fluid dynamics is required. Additionally, experience and/or education in any or several of the following fields are advantageous: hydrology, stormwater, water quality, statistics, laboratory analyses, programming, chemistry, mathematical modelling, numerical analysis. The position also requires sound verbal and written communication skills in English. Chalmers offers Swedish courses. Furthermore, the candidate should appreciate to work both experimentally and with simulations.

We also believe that you are a motivated person, with a strong curiosity and a genuine wish to learn more and develop your skills and knowledge further in the fields of research, research communication and project management.

Responsibilities/Job Description

In our built environment, stormwater runoff from roads must be handled to prevent flooding as climate changes cause increased precipitation. Current understanding on the capacity of gully pots to handle future increased stormwater flows and to retain particles and pollutants is limited. The main focus of the project is to model the flow and transport of particles in a gully pot to understand the processes in and optimize the function and design of gully pots for removal of particles. This requires knowledge and experience of multiphase flow modelling. The project also includes building an experimental set-up of a gully pot. The experimental measurements are used to validate the model.

Project description

The successful candidate will work at the division of Water Environment Technology (WET) at the department of Architecture and Civil Engineering at Chalmers. WET brings together scientists with expertise in water engineering, hydraulics, environment, and sustainability. Research is performed in a number of research fields, including stormwater, drinking water and wastewater engineering. The successful candidate will also work in close cooperation with the Swedish National Road and Transport Research Institute (VTI).The aim and scientific challenge of this project is to close the knowledge gap on the capacity of gully pots to handle water volumes and retain particles and pollutants in conditions of increased stormwater flows due to changing climate. The retention time of particles with sorbed pollutants in the gully pot for dimensioning rain events is measured in an experimental set-up and modelled using a computational fluid dynamics (CFD)-model. The experimental set-up of the gully pot will be built in the project, and the experimental measurements will provide validation for the simulations. The model of the gully pot is set up in the commercial computational fluid dynamics (CFD) software Star-CCM+ or Ansys Fluent and the simulations are solved on a computational cluster. The challenge when modelling a gully pot is the different phases that need to be captured: water, air, and particles. Preliminary results demonstrate that there is a risk of a short-circuit flow between inlet and outlet, where particles and water then leave the gully pot without having time to settle. Flow field and retention of particles and pollutants in the gully pot will be modelled, and improvements to optimize both flow capacity and particle retention in existing and new gully pots will be formulated.

Major responsibilities

As a PhD student you are expected to work independently and to have the ability to plan and organise your work. You are able to work in close collaboration with other group members and partners; and to be able to communicate scientific results, both orally and in written form in English. Knowledge of Swedish is advantageous due to close collaboration with Swedish stakeholders.

You are expected to participate in teaching at Bachelor and Master level courses in the field of civil and environmental engineering. Bachelor courses are taught in Swedish, and applicants that do not have Swedish as a native language should be able to teach in Swedish within two years of employment. Chalmers offers courses in Swedish language.

How to Apply?

Application Method: Online Application
Ref. No.: 20220115

Application Procedure

The application should be marked with Ref 20220115 and written in English. The application should be sent electronically and be attached as pdf-files, as below:

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
  • Describe your previous experience of relevance for the position (e.g. education, thesis work and, if applicable, any other research activities)
  • Describe your future goals and future research focus

Other documents:

  •  Copies of bachelor and/or master’s thesis.
  •  Attested copies and transcripts of completed education, grades and other certificates, e.g. TOEFL test results.

Please use the button at the foot of the page to reach the application form. The files may be compressed (zipped).

About the Employer:

Note or Other details.

Contract terms

Full-time temporary employment. The position is limited to a maximum of four years, plus teaching (generally 10-20%).

We offer

Chalmers offers a cultivating and inspiring working environment in the coastal city of Gothenburg. Read more about working at Chalmers and our benefits for employees.Chalmers aims to actively improve our gender balance. We work broadly with equality projects, for example the GENIE Initiative on gender equality for excellence. Equality and diversity are substantial foundations in all activities at Chalmers.

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Contact details

For questions, please contact:Mia Bondelind, Water Environment Technology, Architecture and Civil Engineering Email: [email protected]

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