Software OZone v2 - Constructalia · OZone - Input data: Criteria for switching from 2 zones to 1 zone OZone - Input data: Criteria for switching from 2 zones to 1 zone. 13 Behaviour

1Arcelor Profil LuxembourgResearch Centre

Software OZone v2.2

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Calculation of gas temperatures in the event of fire and corresponding steel temperatures

Short description

EN1991-1-2 and EN1993-1-2Standards

EnglishLanguage

2.2.5Version

OZoneName

Calculation of Temperatures distribution

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Fire Engineering Software �OZone V2.2�Fire Engineering Software �OZone V2.2�

WWW. ARCELOR.COM/sections

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Scope of the software

! Calculation of Gas temperature in Fire Compartment (Zone Model)• Localised fires

• Compartment fires

• Iso Fire

! Heating of Steel sections• Unprotected & Insulated sections

• Based on localised, Iso fire or zone temperature

! Member analysis • Compression and Tension

• Bending with or without axial compression

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Definition of Fire compartmentDefinition of Fire compartment

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Characteristics of the Fire CompartmentCharacteristics of the Fire Compartment

Fire resistant enclosuresdefining the fire compartmentaccording to the national regulations

Material properties of enclosures: c, ρ, λ

Definition of Openings

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OZone - Input data: Definition of the GeometryOZone - Input data: Definition of the Geometry

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Definition of Fire actionDefinition of Fire action

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OZone - Input data: Definition of FireOZone - Input data: Definition of Fire

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INPUT: Rate of Heat Release CurveINPUT: Rate of Heat Release Curve

RHR [MW]

Time [min]0

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Definition of Fire actionDefinition of Fire action

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OZone - Input data: Criteria for switching from 2 zones to 1 zoneOZone - Input data: Criteria for switching from 2 zones to 1 zone

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Behaviour of advanced fire ModelsBehaviour of advanced fire Models

LOCALISED FIRE

LOCALISED FIRE FULLY ENGULFEDCOMPARTMENT

The Fire stays localised The Fire switch to a fully engulfed fire

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Criteria for switching from 2 zones to 1 zone and FlashoverCriteria for switching from 2 zones to 1 zone and Flashover

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Run of Gas temperature ModuleRun of Gas temperature Module

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OZone � Results Gas TemperaturesOZone � Results Gas Temperatures

θHot

θCold

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Definition of heatingDefinition of heating

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Definition of heatingDefinition of heating

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Definition of heated membersDefinition of heated members

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Definition of unprotected membersDefinition of unprotected members

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Definition of protected membersDefinition of protected members

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Run of Steel temperature ModuleRun of Steel temperature Module

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OZone � Results Steel TemperaturesOZone � Results Steel Temperatures

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Definition of membersDefinition of members

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Definition of membersDefinition of members

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Run of Element ModuleRun of Element Module

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OZone � Results Fire resistance

OZone � Results Fire resistance