Ulf Wickström

Luleå University of Technology

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Alexandra Byström

Luleå University of Technology

Johan Sjöström

RISE Research Institutes of Sweden

Milan Veljković

Delft University of Technology

Joakim Sandström

Luleå University of Technology

Björn Sundström

Stockholm South General Hospital

Haukur Ingason

RISE Research Institutes of Sweden

Ulf Göransson

Uppsala University

Vytenis Babrauskas

John Jay College of Criminal Justice

Lars Boström

University of Borås

Heimo Tuovinen

Swedish Institute

Cooperative Institutions

Lund University

RISE Research Institutes of Sweden

University of Borås

Chalmers University of Technology

Luleå University of Technology

Federal Institute For Materials Research and Testing

National Institute of Standards and Technology

National Institute of Standards

ETH Zurich

University of Gothenburg

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Different types of plate thermometers for measuring incident radiant heat flux and adiabatic surface temperature

Johan Sjöström Ulf Wickström

Different types of plate thermometers for measuring incident radiant heat flux and adiabatic surface temperature

Radiant flux

Radiant heat

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Citations (3)

Temperature measurements and modelling of flashed over compartment fires

Ulf Wickström Alexandra Byström Johan Sjöström

This paper describes and validates by comparisons with test results a one-zone model for computing temperatures of compartment fires where flashover is reached. The model is based on an analysis of ...

Compartment (ship)

Arc flash

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Temperature Analysis of Compartment Fires and Fire-Exposed Structures

Ulf Wickström

Compartment (ship)

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Temperatures of Concrete Structures

Springer eBooks (2016)

Ulf Wickström

Spall

10.1007/978-3-319-30172-3_14

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Thermal Ignition Theory

Springer eBooks (2016)

Ulf Wickström

Autoignition temperature

10.1007/978-3-319-30172-3_8

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Citations (1)

Compartment fire temperature – a new simple calculation method

Fire Safety Science (2014)

Ulf Wickström Anna Byström

In this paper a new simple calculation method for compartment temperatures is derived. The method is applicable to post-flashover ventilation controlled fires. A parameter termed the ultimate compartment fire temperature is defined as the temperature obtained when thermal equilibrium is reached and thick compartment boundaries cannot absorb any more heat from the fire gases. This temperature depends only on the product of the heat of combustion and the combustion efficiency over the specific heat capacity of air. It is, however, independent of the air mass flow rate, and of the fire compartment geometry and the thermal properties of the compartment boundary materials. These parameters on the other hand govern the rate at which the fire temperature is increasing towards the ultimate temperature. It is shown how the fire temperature development as a function of time in some idealized cases may be calculated by a simple analytical closed form formula.The fire temperature developments of two types of compartment boundaries are presented, semi-infinitely thick and thin structures. It is also shown that for the semi-infinite case, the solution resembles the standard ISO 834/EN 1363-1 curve and the parametric fire curves according to Eurocode 1, EN 1991-1-2.

Compartment (ship)

Mass flow rate

10.3801/iafss.fss.11-289

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Citations (4)

Natural fires for design of steel and concrete structures. A Swedish approach. (Reprint from the proceedings of the International symposium on fire engineering for building structures and safety, Melbourne, 1989. P. 67-72.)

Ulf Wickström

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