Doctoral student in Building technology
Linnéuniversitetet / Administratörsjobb (offentlig verksamhet) / Växjö
2017-05-05
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The Department of Building technology works together with neighboring departments, Forest and wood technology, Built environment and energy technologies and Mechanical engineering, to create a research environment that includes topics related to structural design and material science. The home of this environment is the Faculty of technology. The environment includes about 60 employees, including 12 professors, and it is expanding considerably.
Subject matter for the position: Building Technology
Employment: Employment as a doctoral student is limited according to HF chapter 5 § 7. The total employment period may not be longer than the equivalent postgraduate studies full-time for four years.
Place of employment: Växjö, Sweden
Linnaeus University, Department of Building Technology, is searching for applicants for a 4-year full-time Ph.D. position. The responsibilities include research education up to a Ph.D. degree in Building Technology. The Swedish Higher Education Act indicates that a person employed as a Ph.D. student shall mainly devote themselves to their studies. The candidate may, however, work with limited amount of education, research and administration. Such compulsory work may not comprise more than 20% of the total working time and the total employment can then be extended up to 5 years.
Project description
Modern wood-based products are gaining importance in structures aiming at reducing the CO2 footprint and to improve the end use of the materials in buildings. For example, the use of large sized elements for walls and floors consisting of cross-laminated timber (CLT) is increasing in the Nordic European countries. The new modern timber constructions introduce some new challenges in terms of securing the function of the building envelopes in terms of heat transfer and moisture conditions.
The PhD project aims at establishing consistent and enhanced design concepts with regard to heat and moisture conditions in modern timber construction envelopes during its service life but also implications in the production phase of the building will be studied. The work will be based on scientific research for the use in the timber engineering industry and in the construction companies. The research also aims at enhancing standardization work in a European context.
Existing experimental data on temperature and moisture conditions in building envelopes will be used. Besides, measured data will be produced in ongoing timber house construction projects in the Växjö region. In combination with the measurements, theoretical models will be established by improving and extending existing ones. Especially two and three dimensional numerical models will be established in which coupled heat and moisture transfer are considered in combination with accounting for air pressure effects and moisture sorption hysteresis. Of special interest is the study of the heat and moisture conditions in small regions of air tightness defects in the envelope of the building. Such defects typically appear in joints between elements or/and in parts where installations are used in the building envelope.
Special attention will be paid to the development of improved simulation tools for heat and mass transfer in building envelopes with local defects in air tightness by developing coupled transient FEM approaches. A physically correct introduction of the difference in air pressure between indoor and outdoor environment becomes crucial for the success of such a simulation tool. Standard prediction tools for heat and mass transfer (e.g., WUFI) does not include air pressure, nor the possibility to study local defects of the envelope air tightness, therefore, this PhD project has a high scientific relevance with a high development potential.
Read more about Requirements, assessmentgroungs and apply here:
https://lnu.se/en/meet-linnaeus-university/work-at-the-university/ Information is provided by
Professor: Björn Johannesson, 0+46 73 062 94 14, E-post
bjorn.johannesson@lnu.seHead of department: Johan Vessby, +46 470 70 88 45, E-postadress:
johan.vessby@lnu.seHR-partner: Camilla Andersson, +46 470-70 80 36, E-postadress:
camilla.andersson@lnu.seLast day to apply is 28th of May 2017.
Linnaeus University has the ambition to utilize the qualities that an even gender distribution and diversity brings to the organization.
Please apply by clicking on the "Apply" button at the bottom of the ad. Applicants are requested to the application resolving CV, cover letter , a copy of a relevant essay , grades and certificates and other relevant documents. The applicant also requested to submit with their application a proposed research plan within the current area of research. All documents must be attached to digital in the application. The application and other documents shall be marked with the reference number. All documents cited must be received by the University no later than 24.00 on the closing day.
Varaktighet, arbetstid
Heltid/ Ej specificerat
Publiceringsdatum2017-05-05ErsättningEnl stege
Så ansöker duSista dag att ansöka är 2017-05-28
Klicka på denna länk för att göra din ansökanFöretagLinnéuniversitetet
AdressLinnéuniversitetet
Linnéuniversitetet
35195 Växjö
Sverige
35195 35195
KontorsadressLinnéuniversitetet
35195 Växjö
Sverige
Jobbnummer 3480444
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