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For the past 15 years, design engineers for UFAD systems have had to develop their designs, perform load calculations, and conduct energy simulations without the benefits of accurate and systematic design, analysis, and energy modeling tools. This seminar presents three currently available engineering tools that have been developed through research and design applications. Unlike previous methods, these new tools are capable of accounting for two key distinguishing characteristics of UFAD systems: room air stratification and thermal performance of underfloor air supply plenums. The tools covered include: whole-building energy simulation, simplified design sizing methods and computational fluid dynamics (CFD).

Whole-Building Energy Simulation of UFAD Systems
Tom Webster, P.E., Member
Product contains: recorded presentation, slides (PDF format), audio (mp3 format)

A Simple Design Method for Indoor Spaces with UFAD Systems (RP-1522)
Qingyan Chen, Ph.D., Fellow ASHRAE
Product contains: recorded presentation, slides (PDF format), audio (mp3 format)

Computational Fluid Dynamics (CFD) Analysis of UFAD Systems
Kishor Khankari, Ph.D., Member, Tony Saracino, Robert Bolin, P.E., Member
Product contains: recorded presentation, slides (PDF format), audio (mp3 format)