Smoke ventilation according to EN 12101-2 - D+H Mechatronic

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opening angle must be applied. (The Cv0 values can easily become worse as the width-height ratio increases andat low opening angles from the influence of jambs and latches.)In general: the lower the width-height ratio, the better the Cv0 value. The tables used to determine the openingangle per series are provided in the “Technical Information” section of the D+H Euro-SHEV system module.2.3.5. Determining the aerodynamic free opening area for an NSHEVThe aerodynamic free opening area for a window/NSHEV is calculated by multiplying the geometric opening areaA vcalculated in 2.3.1. with the coefficient of discharge Cv0 from 2.3.3.:A a= A v× Cv0A a= 1.76 m² × 0.40A a= 0.70 m²/NSHEV2.3.6. Determining the number of windows required for this smoke sectionIn this sample calculation, it is assumed the windows are the same. If windows are different, this calculation mustbe repeated per window. The sum of the aerodynamic free opening area of the individual windows then providesthe value for the total smoke extraction area.A a target total: A a= number of windows required for this smoke section3.50 m²: 0.70 m² = 52.4. ResultFive windows are required to achieve the aerodynamic total smoke extraction cross section for this smoke sectionat a stroke of 1,000 mm and a vent size of 1,200 × 1,600 mm.38Section B
CInformation about D+H drives and bracketsThis section provides an overview of the general installation options for D+H drives in vertical facades and skylights.D+H Mechatronic AG supplies a number of different chain, linear and lock drives. Specific product informationis provided in the D+H product information folder and on the internet at www.dh-partner.com/produkte/antriebe.html.Section C39
Page 3: IntroductionSince September 2006, a
Page 6 and 7: Table of ContentsIntroduction .....
Page 10 and 11: 1 The EN 12101 series of standards
Page 12 and 13: 1.1.1. Facade exhaust system (verti
Page 14 and 15: 1.2.3. Dual single flap when instal
Page 16 and 17: 1.4. Determining the aerodynamic fr
Page 18 and 19: As these two options are not really
Page 20 and 21: 2.1.4. Testing the wind load WLThe
Page 22 and 23: clEAr GEoMEtrIc ArEAA v= clear widt
Page 25 and 26: 2.2. Initial inspection of factory
Page 27 and 28: 2.4. Marking an NSHEV in accordance
Page 29 and 30: 2.5. Declaration of ConformityIn th
Page 31 and 32: Federal StateSmoke ventilationwhen?
Page 33 and 34: BCalculation aidsThis section is di
Page 35 and 36: In this sample calculation, an open
Page 37: 2.3.2. dEtErMInInG tHE WIdtH/HEIGHt
Page 41 and 42: NSHEV in the vertical facadeType of
Page 43 and 44: 2 D+H bracket setsD+H Mechatronic A
Page 45 and 46: ETerms and abbreviations1 Explanati
Page 47 and 48: Aspect ratioRatio of length to widt
Page 49: Symbol/abbreviationParameter / desc

Smoke ventilation according to EN 12101-2 - D+H Mechatronic

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