Industrial Postdoc on modelling of fire spread on biobased facades

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The Danish Institute of Fire and Security Technology (DBI) is looking for a highly qualified candidate for an Industrial Postdoc position in a project on numerical modelling of fire spread on bio-based building facades. The project is a collaboration between DBI and the Department of Civil Engineering at Aalto University, Finland.

DBI is Denmark's leading knowledge centre in the field of security and fire safety and prevention. We maintain our knowledge through relevant participation in research and development activities and services that we offer to private and public enterprises, institutions, and authorities. DBI is an independent, private, non-profit enterprise. The mission of DBI is to protect lives and property. We aim to increase innovation in Danish companies and provide testing, consultancy, and investigation for the purposes of security and fire safety. We are approved by the Ministry of Higher Education and science as a GTS institute. All profits earned are invested in research and development. DBI employs 250 people, mainly engineers.

Background:
The use of wood in construction is on the rise due to attempts to reduce carbon footprint of the building industry. However, fire safety concern is a central barrier to its continued growth. Building facade is one of the potential paths for fire spread between the floors and fire compartments, posing a significant fire risk if not properly addressed. Choice of facade materials is limited by a material reaction to fire and fire resistance requirements. Alternatively, full-scale façade testing can be used in certain situations to demonstrate that the façade system has acceptable properties in terms of fire spread. Nevertheless, effectively the use of bio-based materials on facades is limited by rigid prescriptive regulations. More flexibility in building design is required to increase the sustainability of façades and support the construction sector's green transition.

The project:
The project will contribute to an understanding of fire spread on biobased facades through validation of Computational Fluid Dynamics based models. The project will include both numerical modelling activities and validation test design and execution activities. A stepwise approach will be adopted, according to which properties and fire behaviour of materials and constructions at different scales will be studied. The first challenge is to predict thermal load to the façade construction from the fire sources commonly used in standard full-scale fire tests, such as wood cribs and heptane pools. Regarding the façade itself, material properties will be directly measured or estimated through bench-scale experiments (TGA, cone calorimeter). Thereafter, the obtained properties will be used to validate predictive CFD models at reduced-scale (dimensions in the order of 1-2 meters) and large-scale (dimensions in order of several m) façade fire tests. The project results will be used to support consulting architects, fire engineers and building owners on the application of biobased facades while ensuring the safety of building occupants.

Admission requirements:

  • PhD in a relevant field, e.g. fire safety engineering, material science or equivalent. Applicants who are soon to complete the PhD education, will also be considered
  • Knowledge of heat transfer, pyrolysis and combustion modelling and experience in Computational Fluid Dynamics CFD modelling
  • Good written and spoken communication skills in English

Additional evaluation criteria:

  • Experience in working with the programme Fire Dynamics Simulator (FDS) will be considered an advantage
  • Ability to work independently and to formulate and tackle research problems
  • Experience in experimental work in a fire laboratory
  • The project includes work secondments (6-9 months in total) in Finland. The flexibility regarding the work placement is required

Our offer:

  • Full-time fixed-term position with a duration of 3 years. However, temporary positions in DBI usually end up in permanent positions
  • The candidate will be offered an attractive salary, pension and health insurance scheme
  • The candidate will be placed in DBI's department of Advanced Fire Engineering (Building), employing several experts in fire tests, advanced modelling of materials in high-temperature environments as well as experts in mechanical engineering and data science. DBI’s office is located in Copenhagen metropolitan area, Denmark
  • A high degree of freedom and support from colleagues
  • Strong development opportunities among highly competent colleagues
  • The candidate will obtain a ‘visiting researcher’ status at Aalto University (Espoo, Finland) which is among the top universities in Scandinavia and Europe. The candidate will be located at the Department of Civil Engineering. Two secondments to Aalto University are planned with a total duration of 6-9 months. The group has facilities for in-depth characterisation of material fire properties as well as extensive experience in the development of CFD sub-models related to fire problems

Details:

  • The candidate can start the Postdoc project at the earliest possible time, however no later than September 29st, 2022.

DEADLINE FOR SUBMISSIONS:
June 12th, 2022.

Lokation: Hvidovre

Application deadline: 12 Jun 2022

Skriv i din ansøgning, at du fandt jobbet på ofir.dk


Industrial Postdoc on modelling of fire spread on biobased facades

The Danish Institute of Fire and Security Technology (DBI) is looking for a highly qualified candidate for an Industrial Postdoc position in a project on numerical modelling of fire spread on bio-based building facades. The project is a collaboration between DBI and the Department of Civil Engineering at Aalto University, Finland.

DBI is Denmark's leading knowledge centre in the field of security and fire safety and prevention. We maintain our knowledge through relevant participation in research and development activities and services that we offer to private and public enterprises, institutions, and authorities. DBI is an independent, private, non-profit enterprise. The mission of DBI is to protect lives and property. We aim to increase innovation in Danish companies and provide testing, consultancy, and investigation for the purposes of security and fire safety. We are approved by the Ministry of Higher Education and science as a GTS institute. All profits earned are invested in research and development. DBI employs 250 people, mainly engineers.

Background:
The use of wood in construction is on the rise due to attempts to reduce carbon footprint of the building industry. However, fire safety concern is a central barrier to its continued growth. Building facade is one of the potential paths for fire spread between the floors and fire compartments, posing a significant fire risk if not properly addressed. Choice of facade materials is limited by a material reaction to fire and fire resistance requirements. Alternatively, full-scale façade testing can be used in certain situations to demonstrate that the façade system has acceptable properties in terms of fire spread. Nevertheless, effectively the use of bio-based materials on facades is limited by rigid prescriptive regulations. More flexibility in building design is required to increase the sustainability of façades and support the construction sector's green transition.

The project:
The project will contribute to an understanding of fire spread on biobased facades through validation of Computational Fluid Dynamics based models. The project will include both numerical modelling activities and validation test design and execution activities. A stepwise approach will be adopted, according to which properties and fire behaviour of materials and constructions at different scales will be studied. The first challenge is to predict thermal load to the façade construction from the fire sources commonly used in standard full-scale fire tests, such as wood cribs and heptane pools. Regarding the façade itself, material properties will be directly measured or estimated through bench-scale experiments (TGA, cone calorimeter). Thereafter, the obtained properties will be used to validate predictive CFD models at reduced-scale (dimensions in the order of 1-2 meters) and large-scale (dimensions in order of several m) façade fire tests. The project results will be used to support consulting architects, fire engineers and building owners on the application of biobased facades while ensuring the safety of building occupants.

Admission requirements:

  • PhD in a relevant field, e.g. fire safety engineering, material science or equivalent. Applicants who are soon to complete the PhD education, will also be considered
  • Knowledge of heat transfer, pyrolysis and combustion modelling and experience in Computational Fluid Dynamics CFD modelling
  • Good written and spoken communication skills in English

Additional evaluation criteria:

  • Experience in working with the programme Fire Dynamics Simulator (FDS) will be considered an advantage
  • Ability to work independently and to formulate and tackle research problems
  • Experience in experimental work in a fire laboratory
  • The project includes work secondments (6-9 months in total) in Finland. The flexibility regarding the work placement is required

Our offer:

  • Full-time fixed-term position with a duration of 3 years. However, temporary positions in DBI usually end up in permanent positions
  • The candidate will be offered an attractive salary, pension and health insurance scheme
  • The candidate will be placed in DBI's department of Advanced Fire Engineering (Building), employing several experts in fire tests, advanced modelling of materials in high-temperature environments as well as experts in mechanical engineering and data science. DBI’s office is located in Copenhagen metropolitan area, Denmark
  • A high degree of freedom and support from colleagues
  • Strong development opportunities among highly competent colleagues
  • The candidate will obtain a ‘visiting researcher’ status at Aalto University (Espoo, Finland) which is among the top universities in Scandinavia and Europe. The candidate will be located at the Department of Civil Engineering. Two secondments to Aalto University are planned with a total duration of 6-9 months. The group has facilities for in-depth characterisation of material fire properties as well as extensive experience in the development of CFD sub-models related to fire problems

Details:

  • The candidate can start the Postdoc project at the earliest possible time, however no later than September 29st, 2022.

DEADLINE FOR SUBMISSIONS:
June 12th, 2022.

Lokation: Hvidovre

Application deadline: 12 Jun 2022

Skriv i din ansøgning, at du fandt jobbet på ofir.dk


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