The Next Generation of Cooling Solutions for Laboratories
Paul Leonard, PE, Kling
Using 100 percent outdoor air systems to condition laboratories
and provide fume hood make-up air is a standard system design. However,
in labs that are cooling load driven, this system results in conditioning
outdoor air to provide cooling for the lab only to be exhausted.
Even if variable air volume (VAV) systems are optimized, this still
results in a very energy-intensive system. There are many laboratory
applications that can be satisfied by alternative methods while
maintaining required ventilation. For example, a low solvent and
low fume hood density biology laboratory can be served by a dedicated
outdoor air system and local sensible cooling systems. This presentation
will look at a current project in design where a conventional VAV
system will be compared to a chilled beam and dedicated outdoor
air system. Differentials in first and operating costs will be presented,
along with equipment selection and control strategies.
This dedicated outdoor air and chilled beam system contributes
not only to long-term energy savings, but also to initial construction
cost savings. This minimizes environmental impact from reduced materials
of construction (not only mechanical systems, but also general construction,
as less building height is required). It also minimizes environmental
impact with respect to energy for the life of the building. This
presentation will also highlight a technology that is widely used
in Europe, and has wide applications in the United States, but is
seldom used. This presentation will look to widen the knowledge
of this system and hopefully expand its application, resulting in
even more efficient operations of new and renovated buildings, furthering
the goals of not only Labs21 but also LEED and others.
Paul L. Leonard, PE, is an Engineering Design Principal
with Kling. He has been employed at Kling Lindquist since 1993.
Mr. Leonard's experience includes a wide variety of engineering
systems for a wide variety of research and pharmaceutical laboratories,
vivarium facilities, pharmaceutical production facilities, central
utility plants, computer facilities, and office spaces.
He has the overall responsibility for setting global engineering
criteria, developing systems, providing engineering and economic
study data, and coordinating activities with other disciplines,
outside agencies, and the client.
Mr. Leonard received his Bachelor of Science in Mechanical Engineering
from Drexel University in 1987. He is involved with ASHRAE and ISPE.
He has also been a registered Professional Engineer in Pennsylvania
and New Jersey since 1988. He can be reached at firstname.lastname@example.org.
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