ForewordIntroductionScopeNormative referencesTerms and definitionsRequirements governing description of physical phenomenaRequirements governing documentationRequirements governing limitationsRequirements governing input parametersRequirements governing domain of applicabilityGeneral aspect of smoke layersTerms and definitionsDescription of physical phenomena addressed by the equation setGeneral description of calculation methodSmoke layer characteristics to be calculatedEquation-set documentationGeneralMass conservationEnergy conservationConservation of specific chemical speciesMass flow rate of fire plume across interfaceMass flowrate of smoke through ventEquation of stateSpecific equations for smoke layer meeting requirements of Symbols and abbreviated terms used in Description of physical phenomena addressed by the equation setGeneralScenario elements to which the equation-set is applicableSmoke layer characteristics to be calculatedSmoke layer conditions to which equations applySelf-consistency of the equation setStandards and other documents where the equation set is usedEquation-set documentationScope of equation setsEnclosure smoke filling processProcess to which equation appliesInterface positionSmoke layer temperatureConcentration of specific chemical speciesCalculation exampleSteady state smoke control by mechanical exhaust systemProcess to which equation appliesInterface positionSmoke layer densitySmoke layer temperatureEffective heat transfer coefficientConcentration of specific chemical speciesCalculation exampleSteady state smoke control by horizontal ventProcess to which equation appliesInterface positionSmoke layer densitySmoke layer temperatureEffective heat transfer coefficientMass flow rate of smoke exhaust by horizontal ventPressure difference at floor levelConcentration of specific chemical speciesCalculation exampleSteady state smoke control by vertical ventProcess to which equation appliesInterface positionSmoke layer densitySmoke layer temperatureEffective heat transfer coefficientPressure difference at lower level of openingMass flow rate of air through lower part of openingConcentration of specific chemical speciesCalculation procedure and exampleScientific basis for the equation-setEquation-set limitationsFire plumeUniformity of smoke layerOutput parametersEquation-set input parametersFire heat release rateRadiative fraction of heat releaseFraction of heat absorbed by enclosure boundary during initial stageEffectiveness of mechanical smoke ventingSpecies yieldEquation-set domain of applicability