PhD Student in Production Technology - Process sim. for add. ma
Högskolan Väst, Institutionen för ingenjörsvetenskap / Administratörsjobb (offentlig verksamhet) / Trollhättan
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PhD Studentship in Production Technology - Specializing in thermal fluid simulation of additive manufacturing process using electric arc and electrode metal transfer
The research divisions in the field of production technology at University West (PTW) host a research school in Simulation and Control of Material affecting Processes.
Among others, they have a long experience in modelling, simulation and experimental study of laser and electric arc heat sources and Additive Manufacturing with metal wire (AMw).
In additive manufacturing with electric arc heat source the metal wire can also be the electrode. During the deposition process the metal melts, flows down, deposits to form a metal layer that solidifies and partially re-melts when the next layer is deposited. This layer upon layer metal deposition process aims at building 3D-geometries such as turbine or centrifuge components. This research activity is conducted at University West by a multi-disciplinary research group combining thermal fluid mechanics and electromagnetism (process study), mechatronics (process control) and metallurgy (deposited material properties study).
This doctoral student position is in the field of metal deposition with electric arc and electrode wire to study the process using computational thermal fluid mechanics. It thus involves liquid and gas flow in the presence of three phases (solid, liquid, gas) and phase changes, electromagnetism, metal transfer as well as tracking of the liquid free surface. The aim of this research work is to gain better process knowledge along the metal deposition. The gained knowledge will also be a valuable input for other researchers developing process control models and coupling deposited material properties to process parameters. The doctoral project will thus include collaborating with researchers specialized in measurement methods, process control and metallurgy. The research is application-oriented and will also be conducted in close collaboration with industry and other universities within Europe.
The scientific work in the project
The project aims at better understanding relationships between properties that can be measured during material deposition and how these properties influence the process and the built component properties.
It concerns in particular the evolution of the temperature field along time, the formation of defects such as pores due to gas entrapment in the liquid metal. The doctoral project has a thermal fluid mechanics approach (heat transfer, metal melting, flow and solidification) with process computational simulation (finite volume method) and validation of the results based on provided experimental data. The work will be also coordinated with process control and metallurgy scientists to bridge the gap between the in-process control and the structural integrity of a final build.
PhD degree program: Production Technology
Job description:
The research program includes, in addition to participation in third-cycle courses and other activities, implementation of an independent thesis work. Doctoral students shall primarily devote themselves to their own education. A doctoral student may, however, be engaged to a limited extent in education, research and administration, mainly within Production Technology. Such duties, before a doctorate has been conferred, may not occupy more than 20 per cent of full-time working hours. (Higher Education Ordinance (SFS 1993:100) Chapter 5 section 2).
Qualification requirements: please read 3.1 and 3.2 in General syllabus for the third-cycle programme in Production Technology, Ref. No 2015/1343 B 25:
https://www.hv.se/en/research/research-education/production-technology/Selection: please read 3.3 in General syllabus for the third-cycle programme in Technology in Production Technology, Ref. No 2015/1343 B 25.
Qualifications of merit for this position:
- Master of Science (or equivalent level) in fluid mechanics or equivalent
- Knowledge in fluid mechanics and heat transfer
- Experience in computational fluid dynamic
- Experience in programming
- Ability to communicate orally and in writing in English (documented)
- Experience of research work and scientific writing
- Experience of C++ and openFOAM is regarded as a merit
- Experience of multiphase flow is regarded as a merit
- Experience of electromagnetism is regarded as a merit
- Ability to communicate in Swedish is regarded as a merit
Duration and terms of employment: Higher Education Ordinance (SFS 1993:100) Chapter 5 section 7.
Applications are to be submitted electronically through the University West web-based recruitment tool, MyNetwork. Go to
https://www.hv.se/en/meet-university-west/job-opportunities/.The application must include:
- CV/Personal qualifications
- Personal letter containing: - Interest in the research topic. - Previous experience regarding the proposed research topic and its research methods. - Motive to pursue Doctoral studies.
- Master thesis of second level of higher education
- Degree certificate of first and second level of higher education
- Other documents which the applicant wishes to invoke
Varaktighet, arbetstid
100%. Tillträde: By agreement / As soon as possible Visstidsanställning
Publiceringsdatum2018-09-04ErsättningMonthly pay
Så ansöker duSista dag att ansöka är 2018-10-04
Ange följande referens när du ansöker: 2018/210
Klicka på denna länk för att göra din ansökanKontaktIsabelle Choquet, PhD +46520-22 33 15,
isabelle.choquet@hv.seChamara Kumara, PhD Committee at Uni. West +46520-22 33 59,
chamara.kumara@hv.seFöretagHögskolan Väst, Institutionen för ingenjörsvetenskap
AdressHögskolan Väst, Institutionen för ingenjörsvetenskap
Gustava Melins gata 2
46186 Trollhättan
KontorsadressGustava Melins gata 2
Jobbnummer 4328650
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