Effect of Natural Aging on Oak Wood Fire Resistance

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F60460709%3A41320%2F21%3A89727" target="_blank" >RIV/60460709:41320/21:89727 - isvavai.cz</a>

Výsledek na webu

<a href="https://www.mdpi.com/2073-4360/13/13/2059" target="_blank" >https://www.mdpi.com/2073-4360/13/13/2059</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.3390/polym13132059" target="_blank" >10.3390/polym13132059</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Effect of Natural Aging on Oak Wood Fire Resistance

Popis výsledku v původním jazyce

The paper deals with the assessment of the age of oak wood (0, 10, 40, 80 and 120 years) on its fire resistance. Chemical composition of wood (extractives, cellulose, holocellulose, lignin) was determined by wet chemistry methods and elementary analysis was performed according to ISO standards. From the fire-technical properties, the flame ignition and the spontaneous ignition temperature (including calculated activation energy) and mass burning rate were evaluated. The lignin content does not change, the content of extractives and cellulose is higher and the content of holocellulose decreases with the higher age of wood. The elementary analysis shows the lowest proportion content of nitrogen, sulfur, phosphor and the highest content of carbon in the oldest wood. Values of flame ignition and spontaneous ignition temperature for individual samples were very similar. The activation energy ranged from 42,4 kJ center dot mol(-1) (120-year-old) to 50,7 kJ center dot mol(-1) (40-year-old), and the burning

Název v anglickém jazyce

Effect of Natural Aging on Oak Wood Fire Resistance

Popis výsledku anglicky

The paper deals with the assessment of the age of oak wood (0, 10, 40, 80 and 120 years) on its fire resistance. Chemical composition of wood (extractives, cellulose, holocellulose, lignin) was determined by wet chemistry methods and elementary analysis was performed according to ISO standards. From the fire-technical properties, the flame ignition and the spontaneous ignition temperature (including calculated activation energy) and mass burning rate were evaluated. The lignin content does not change, the content of extractives and cellulose is higher and the content of holocellulose decreases with the higher age of wood. The elementary analysis shows the lowest proportion content of nitrogen, sulfur, phosphor and the highest content of carbon in the oldest wood. Values of flame ignition and spontaneous ignition temperature for individual samples were very similar. The activation energy ranged from 42,4 kJ center dot mol(-1) (120-year-old) to 50,7 kJ center dot mol(-1) (40-year-old), and the burning

Druh

J_imp - Článek v periodiku v databázi Web of Science

CEP obor

—

OECD FORD obor

10404 - Polymer science

Projekt

—

Návaznosti

S - Specificky vyzkum na vysokych skolach

Rok uplatnění

2021

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název periodika

POLYMERS

ISSN

2073-4360

e-ISSN

—

Svazek periodika

13

Číslo periodika v rámci svazku

13

Stát vydavatele periodika

CH - Švýcarská konfederace

Počet stran výsledku

10

Strana od-do

1-10

Kód UT WoS článku

000671300700001

EID výsledku v databázi Scopus

2-s2.0-85109156596