Labs21: Optimizing Laboratory Ventilation Design - Labs21 ...

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CFD Modeling Methodology � Need to define objective - what is to be assessed: � Fume hood containment challenges � Energy efficiency � Thermal comfort � Spill scenario � The objectives will steer the modeling decisions and in some cases in result in different approaches Labs 21 Phone Forum - August 2003
The CFD Process � Define the region to be modeled and divide it into smaller volumes called cells - gridding � Apply conservation equations to each cell � Ensure each cell knows about its neighbors � Solve conservation equations Labs 21 Phone Forum - August 2003
Page 1 and 2: Labs 21 Phone Forum Optimizing Labo
Page 3 and 4: Project Team Boston Payette Associa
Page 5 and 6: Green or LEED? • Project’s pros
Page 7 and 8: Air Change Rates - Guidelines ASHRA
Page 9 and 10: Air Change Rates - Design Process
Page 11 and 12: CFD Modeling of Lab Spaces: Case St
Page 13: What is CFD � CFD = Computational
Page 17 and 18: What you get After Running CFD �
Page 19 and 20: Turbulence - Why Worry? � Turbule
Page 21 and 22: Including the Effects of Turbulence
Page 23 and 24: Guyot Hall Teaching Lab - Geometry
Page 25 and 26: Guyot Hall Research Lab - Geometry
Page 27 and 28: Industrial Lab - RANS Model Figure
Page 29 and 30: Industrial Lab - LES Result LES Ani
Page 31: Where do we go from here? • How d

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