PGE - Optimizing Energy and Comfort Performance of Underfloor Air Distribution (UFAD) Systems: Guide

Wednesday, April 18, 2012 - 1:00pm to 5:00pm

Also Offered April 18 (Wednesday, 1:00 pm to 5:00 pm) Internet
Description

As the adoption of underfloor air distribution (UFAD) has grown, a strong desire for design guidance and tools has emerged among industry professionals. To meet this need, the Center for the Built Environment (CBE) through its "industry/university cooperative research" approach has produced reliable design tools and energy models, as well as practical guidelines for design, commissioning, and operation of UFAD buildings. CBE's extensive work spanning more than ten years has led to the recognition of CBE as the leading research institution on UFAD technology. The purpose of this workshop is to provide an opportunity to learn about and discuss CBE's most recent collection of UFAD technology tools and resources.

This event is sponsored by the Center for the Built Environment (CBE), at the University of California, Berkeley, and the PG&E Pacific Energy Center.

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Audience Level
Agenda
  • 1:00 pm Welcome and introductions
  • 1:30 pm Energy performance
  • 2:15 pm Impact of furniture and thermal mass on loads
  • 2:30 pm Design sizing considerations for UFAD systems
  • 3:00 pm Break
  • 3:15 pm Cooling load design tool demonstration
  • 3:45 pm Underfloor plenum design guidelines
  • 4:00 pm UFAD performance case studies
  • 4:30 pm Updated guidelines from ASHRAE design guide
  • 4:45 pm Next steps/wrap up
  • 5:00 pm Adjourn
Instructor(s) Fred Bauman
Fred's research interests include underfloor air distribution (UFAD) and task/ambient conditioning (TAC) systems, room air distribution, thermal comfort, building energy use, ventilation and indoor air quality, laboratory and field measurement methods, and natural ventilation.Fred has led the development of CBE's world renowned research program on underfloor air distribution and is a frequent invited speaker on UFAD design at workshops and conferences. Fred is the author of the Underfloor Air Distribution (UFAD) Design Guide, published by ASHRAE in 2003, and has also written more than 50 technical articles on UFAD and TAC systems. In recent years Fred has led CBE's research program on advanced integrated systems with a focus on radiant slab cooling. He has received two Best Symposium Paper Awards from ASHRAE (1992, 1993), and in 1997, received the ASHRAE Distinguished Service Award. Fred received an MS degree in Mechanical Engineering from UC Berkeley, and a BS in Mathematics from Harvey Mudd College.

Allan Daly, PE
Allan Daly, a principal with Taylor Engineering, brings his broad experience from government, research, teaching, and consulting to bear in the design of innovative and sustainable mechanical systems as well as in researching and analyzing building systems. He holds a BS in civil engineering and a BA in drama from Stanford University as well as a MS in civil engineering from UC Berkeley. He has worked as a program assistant for the Environmental Protection Agency's Indoor Air Division and the Department of Energy, as a researcher for UC Berkeley's Center for Environmental Design Research, and as a mechanical engineer for Ove Arup and Partners, San Francisco. Allan joined Taylor Engineering in September 2000.

Stefano Schiavon, Ph.D.
Stefano's research focuses on indoor environmental quality parameters and building features that affect occupant productivity and building energy consumption. Other research interests include personal environmental control systems, underfloor air distribution (UFAD), radiant systems, building energy simulation, air movement, thermal comfort and statistical modeling.At the University of Padova, Italy, he received a Ph.D. in Energy in 2008, and a Master's Degree in Mechanical Engineering in 2005. He has been a visiting scholar at both Tsinghua University, China, and at the International Centre for Indoor Environment and Energy at the Technical University of Denmark. He received the REHVA Young Scientist Award in 2010 and the Best Poster Presentation at the International AIVC Conference in 2008.

Tom Webster
Tom has been engaged in building research and development for over thirty five years and currently co- leads several advanced integrated systems research projects covering laboratory and field testing, energy simulations, and wireless monitoring systems development. His past experience includes research on solar energy systems, building energy analysis and simulation, HVAC control system product development, air handler diagnostics, and monitoring system development. Tom has spent the last 12 years conducting research on underfloor air distribution (UFAD) systems including room air stratifiction laboratory testing, simulation model development, UFAD system cost analysis, and field testing.

Edwin Lee
Edwin Lee is a doctoral student in the mechanical engineering program at Oklahoma State University. He has eight years of experience with building simulation tools, and has been a member of the EnergyPlus development team for six years. His research topics include ground heat transfer, phase change materials within building envelope design, underfloor air distribution systems, central plant system simulation, and integration of simulation components within the whole-building energy simulation shell.

Resources N/A
Cost No fee for this program
Credits N/A

 

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