A Model for Pyrolysis and Oxidation of Two Common Structural Timbers

Aleksi Rinta-Paavola; Simo Hostikka

A Model for Pyrolysis and Oxidation of Two Common Structural Timbers

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Abstract

The reduced cross section method for the calculation of timber structures’ fire resistance is based on empirical and numerical assessment of charring propagation. The current work aims to construct a model for the pyrolysis and oxidation of spruce and pine woods to allow coupled simulations of cross section reduction and burning rate in fire models. A pyrolysis model for these woods is formulated based on thermogravimetric analysis (TGA), and supported by heat of pyrolysis and heat of combustion measurements by differential scanning calorimetry (DSC) and microscale combustion calorimetry (MCC), respectively. The results from small scale measurements (TGA, DSC and MCC) are consistent with each other. Therefore, heat of pyrolysis and heat of combustion was determined for the wood primary components by fitting a simulation into these experimental results. As a future work, cone calorimeter experiments are performed to optimize material properties and validate the model, and necessity of introducing an oxidation model is examined.

Original language	English
Title of host publication	Proceedings of the I Forum Wood Building Baltic, 2019
Editors	Targo Kalamees, Alar Just, Meeli Semjonov, Anu Teder, Merili Deemant
Place of Publication	Tallinn
Publisher	Tallinna Tehnikaülikool
Number of pages	8
ISBN (Print)	978-9949-83-398-6
Publication status	Published - 1 Mar 2019
MoE publication type	A4 Article in a conference publication
Event	Forum Wood Building Baltic - Tallinn, Estonia Duration: 27 Feb 2019 → 1 Mar 2019

Conference

Conference	Forum Wood Building Baltic
Country/Territory	Estonia
City	Tallinn
Period	27/02/2019 → 01/03/2019

Keywords

Charring
Pine wood
Pyrolysis modelling
Spruce wood

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https://www.ttu.ee/public/k/Konverentsikeskus/A_Model_for_Pyrolysis_and_Oxidation_of_Two_Common_Structural_Timbers.pdf

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Rinta-Paavola, A., & Hostikka, S. (2019). A Model for Pyrolysis and Oxidation of Two Common Structural Timbers. In T. Kalamees, A. Just, M. Semjonov, A. Teder, & M. Deemant (Eds.), Proceedings of the I Forum Wood Building Baltic, 2019 Tallinna Tehnikaülikool. https://www.ttu.ee/public/k/Konverentsikeskus/A_Model_for_Pyrolysis_and_Oxidation_of_Two_Common_Structural_Timbers.pdf

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title = "A Model for Pyrolysis and Oxidation of Two Common Structural Timbers",

abstract = "The reduced cross section method for the calculation of timber structures{\textquoteright} fire resistance is based on empirical and numerical assessment of charring propagation. The current work aims to construct a model for the pyrolysis and oxidation of spruce and pine woods to allow coupled simulations of cross section reduction and burning rate in fire models. A pyrolysis model for these woods is formulated based on thermogravimetric analysis (TGA), and supported by heat of pyrolysis and heat of combustion measurements by differential scanning calorimetry (DSC) and microscale combustion calorimetry (MCC), respectively. The results from small scale measurements (TGA, DSC and MCC) are consistent with each other. Therefore, heat of pyrolysis and heat of combustion was determined for the wood primary components by fitting a simulation into these experimental results. As a future work, cone calorimeter experiments are performed to optimize material properties and validate the model, and necessity of introducing an oxidation model is examined. ",

keywords = "Charring, Pine wood, Pyrolysis modelling, Spruce wood",

author = "Aleksi Rinta-Paavola and Simo Hostikka",

note = "The Conference Proceedings listed in this entry contains only a short version of the article. The full version may be found at the enclosed web page.; Forum Wood Building Baltic ; Conference date: 27-02-2019 Through 01-03-2019",

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day = "1",

language = "English",

isbn = "978-9949-83-398-6",

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Rinta-Paavola, A & Hostikka, S 2019, A Model for Pyrolysis and Oxidation of Two Common Structural Timbers. in T Kalamees, A Just, M Semjonov, A Teder & M Deemant (eds), Proceedings of the I Forum Wood Building Baltic, 2019. Tallinna Tehnikaülikool, Tallinn, Forum Wood Building Baltic, Tallinn, Estonia, 27/02/2019. <https://www.ttu.ee/public/k/Konverentsikeskus/A_Model_for_Pyrolysis_and_Oxidation_of_Two_Common_Structural_Timbers.pdf>

A Model for Pyrolysis and Oxidation of Two Common Structural Timbers. / Rinta-Paavola, Aleksi ; Hostikka, Simo.

Proceedings of the I Forum Wood Building Baltic, 2019. ed. / Targo Kalamees; Alar Just; Meeli Semjonov; Anu Teder; Merili Deemant. Tallinn : Tallinna Tehnikaülikool, 2019.

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Scientific › peer-review

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T1 - A Model for Pyrolysis and Oxidation of Two Common Structural Timbers

AU - Rinta-Paavola, Aleksi

AU - Hostikka, Simo

N1 - The Conference Proceedings listed in this entry contains only a short version of the article. The full version may be found at the enclosed web page.

PY - 2019/3/1

Y1 - 2019/3/1

N2 - The reduced cross section method for the calculation of timber structures’ fire resistance is based on empirical and numerical assessment of charring propagation. The current work aims to construct a model for the pyrolysis and oxidation of spruce and pine woods to allow coupled simulations of cross section reduction and burning rate in fire models. A pyrolysis model for these woods is formulated based on thermogravimetric analysis (TGA), and supported by heat of pyrolysis and heat of combustion measurements by differential scanning calorimetry (DSC) and microscale combustion calorimetry (MCC), respectively. The results from small scale measurements (TGA, DSC and MCC) are consistent with each other. Therefore, heat of pyrolysis and heat of combustion was determined for the wood primary components by fitting a simulation into these experimental results. As a future work, cone calorimeter experiments are performed to optimize material properties and validate the model, and necessity of introducing an oxidation model is examined.

AB - The reduced cross section method for the calculation of timber structures’ fire resistance is based on empirical and numerical assessment of charring propagation. The current work aims to construct a model for the pyrolysis and oxidation of spruce and pine woods to allow coupled simulations of cross section reduction and burning rate in fire models. A pyrolysis model for these woods is formulated based on thermogravimetric analysis (TGA), and supported by heat of pyrolysis and heat of combustion measurements by differential scanning calorimetry (DSC) and microscale combustion calorimetry (MCC), respectively. The results from small scale measurements (TGA, DSC and MCC) are consistent with each other. Therefore, heat of pyrolysis and heat of combustion was determined for the wood primary components by fitting a simulation into these experimental results. As a future work, cone calorimeter experiments are performed to optimize material properties and validate the model, and necessity of introducing an oxidation model is examined.

KW - Charring

KW - Pine wood

KW - Pyrolysis modelling

KW - Spruce wood

UR - http://hdl.handle.net/10062/64462

UR - https://www.ttu.ee/conference/forum-wood-building-baltic-2019-2/programme-29/full-articles/

M3 - Conference contribution

SN - 978-9949-83-398-6

BT - Proceedings of the I Forum Wood Building Baltic, 2019

A2 - Kalamees, Targo

A2 - Just, Alar

A2 - Semjonov, Meeli

A2 - Teder, Anu

A2 - Deemant, Merili

PB - Tallinna Tehnikaülikool

CY - Tallinn

T2 - Forum Wood Building Baltic

Y2 - 27 February 2019 through 1 March 2019

ER -

A Model for Pyrolysis and Oxidation of Two Common Structural Timbers

Abstract

Conference

Keywords

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Fire-safe materials by pyrolysis modelling

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A Model for Pyrolysis and Oxidation of Two Common Structural Timbers

Abstract

Conference

Keywords

Access to Document

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Other files and links

Fingerprint

Projects

Fire-safe materials by pyrolysis modelling

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