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Reducing Peak Electricity Demand and Energy Use Due to Cooling

Mark P. Modera, Ph.D., Western Cooling Efficiency Center, UC Davis
Apr 19, 2012 from 12:00 PM to 01:30 PM (America/Los_Angeles / UTC-700)
1130 K Street, Room LL3
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The Western Cooling Efficiency Center (WCEC) was started about 5 years ago as the cornerstone of the Energy Efficiency Center at the University of California at Davis. The mission of the center is to effect changes in the energy performance of cooling systems in hot dry climates like California, in particular on the peak electricity demand associated with said cooling. This presentation provides an overview of the work underway at the WCEC, ranging from our Western Cooling Challenge (WCC), which provides manufacturers with performance targets for rooftop air conditioners that are roughly 50% better than DOE minimum standards, to more cutting edge research, such as the use of encapsulated phase change materials in water-based thermal distribution systems, and the application of an aerosol-based technology for sealing leaks in buildings. Various other projects that will be discussed include: water management strategies for advanced evaporative cooling (inc. grey water), retrofits for light commercial buildings, ventilation system retrofits for hotels and apartment buildings, and heating your pool with waste heat from air conditioners.

M_ModeraMark P. Modera is a Professor in Civil and Environmental Engineering, as well as in Mechanical and Aerospace Engineering, and holds the Sempra Energy Chair in Energy Efficiency, all at UC Davis.  Professor Modera is also the Director of the UC Davis Western Cooling Efficiency Center (WCEC) at UC Davis. Dr. Modera joined the WCEC from Carrier Corp., and from Lawrence Berkeley National Laboratory (LBNL).
At LBNL, Dr. Modera was a Principal Investigator on many research projects, including developing a new research program on thermal energy distribution in buildings. His publications cover: diagnostic tools for heat and mass transfer properties, air flow modeling and measurement, energy efficiency policy, simulation tools and simplified models for buildings, wood combustion, aerosol production and transport, and indoor air quality.
While at LBNL, Mark developed an aerosol-based duct sealing process, and subsequently established Aeroseal, Inc. to commercialize the technology. Carrier Corporation bought the business in 2001 and retained Mark to help manage it.
The WCEC currently consists of more than 20 people working to help facilitate the implementation of efficient HVAC technologies through manufacturer/utility/customer partnerships, as well to develop and test new energy-efficient and peak-demand-sensitive HVAC technologies. Technologies under investigation include: advanced evaporative cooling, water management, radiant cooling, efficient Roof-Top-Unit air conditioners, retrofit technologies for RTUs, building envelope sealing, phase-change hydronic systems, and fault detection and diagnosis, as well as occupant and contractor behavior relative to HVAC.


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