ASHRAE Journal - November 2019 - 31

TECHNICAL FEATURE

at a temperature closer to the intake to minimize any
potential environmental impact.
There are many advantages of this data center, such
as not needing refrigerant-based cooling, no need for
treated water for cooling, and easy, cheap redundancy
with heat exchangers and pumps. This matches
well with the overall direction sustainable-minded
companies have taken to help
the environment, as having no
refrigerants eliminates the global
warming potential and ozone
depletion that are inherent with
other data center cooling plants.
As the facility has expanded, the
cooling plant can match the pace
with the same cooling system since
the footprint to expand is small
by comparison. Additionally, the
cost of equipment is much less
and, correspondingly, there is less
maintenance.
With the new phases complete, the
facility has reduced its energy use
considerably, perhaps by as much
as 1 million kWh per year per MW,
which is a savings of more than 60%.
The water use for cooling is reduced
to zero, which saves well over 1
million gallons of water per year per
MW.

In each country and locality government agencies
exist to regulate the installation and operation of these
projects. Since a river, lake or ocean water project is only
rejecting heat and not altering the water quality, most
government authorities will allow a project to move
forward after a proper review of permit applications.
Typically the review must show an effort to mitigate

Water Source Risks
Like most natural habitats, rivers,
lakes and oceans all experience
changes over time. The piping for a
river, lake or ocean cooling system
needs to be designed to withstand
potential changes of the underwater
landscape, which are often
predictable over the long life of a
system. Monitoring the performance
of the system and periodic
inspections and maintenance
for the submerged piping system
should be able to catch or predict
any degradation before repairs are
needed.
N O V E M B E R 2 0 19

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ASHRAE Journal - November 2019

Table of Contents for the Digital Edition of ASHRAE Journal - November 2019

Contents
ASHRAE Journal - November 2019 - Intro
ASHRAE Journal - November 2019 - Cover1
ASHRAE Journal - November 2019 - Cover2
ASHRAE Journal - November 2019 - 1
ASHRAE Journal - November 2019 - Contents
ASHRAE Journal - November 2019 - 3
ASHRAE Journal - November 2019 - 4
ASHRAE Journal - November 2019 - 5
ASHRAE Journal - November 2019 - 6
ASHRAE Journal - November 2019 - 7
ASHRAE Journal - November 2019 - 8
ASHRAE Journal - November 2019 - 9
ASHRAE Journal - November 2019 - 10
ASHRAE Journal - November 2019 - 11
ASHRAE Journal - November 2019 - 12
ASHRAE Journal - November 2019 - 13
ASHRAE Journal - November 2019 - 14
ASHRAE Journal - November 2019 - 15
ASHRAE Journal - November 2019 - 16
ASHRAE Journal - November 2019 - 17
ASHRAE Journal - November 2019 - 18
ASHRAE Journal - November 2019 - 19
ASHRAE Journal - November 2019 - 20
ASHRAE Journal - November 2019 - 21
ASHRAE Journal - November 2019 - 22
ASHRAE Journal - November 2019 - 23
ASHRAE Journal - November 2019 - 24
ASHRAE Journal - November 2019 - 25
ASHRAE Journal - November 2019 - 26
ASHRAE Journal - November 2019 - 27
ASHRAE Journal - November 2019 - 28
ASHRAE Journal - November 2019 - 29
ASHRAE Journal - November 2019 - 30
ASHRAE Journal - November 2019 - 31
ASHRAE Journal - November 2019 - 32
ASHRAE Journal - November 2019 - 33
ASHRAE Journal - November 2019 - 34
ASHRAE Journal - November 2019 - 35
ASHRAE Journal - November 2019 - 36
ASHRAE Journal - November 2019 - 37
ASHRAE Journal - November 2019 - 38
ASHRAE Journal - November 2019 - 39
ASHRAE Journal - November 2019 - 40
ASHRAE Journal - November 2019 - 41
ASHRAE Journal - November 2019 - 42
ASHRAE Journal - November 2019 - 43
ASHRAE Journal - November 2019 - 44
ASHRAE Journal - November 2019 - 45
ASHRAE Journal - November 2019 - 46
ASHRAE Journal - November 2019 - 47
ASHRAE Journal - November 2019 - 48
ASHRAE Journal - November 2019 - 49
ASHRAE Journal - November 2019 - 50
ASHRAE Journal - November 2019 - 51
ASHRAE Journal - November 2019 - 52
ASHRAE Journal - November 2019 - 53
ASHRAE Journal - November 2019 - 54
ASHRAE Journal - November 2019 - 55
ASHRAE Journal - November 2019 - 56
ASHRAE Journal - November 2019 - 57
ASHRAE Journal - November 2019 - 58
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ASHRAE Journal - November 2019 - 60
ASHRAE Journal - November 2019 - 61
ASHRAE Journal - November 2019 - 62
ASHRAE Journal - November 2019 - 63
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ASHRAE Journal - November 2019 - 65
ASHRAE Journal - November 2019 - 66
ASHRAE Journal - November 2019 - 67
ASHRAE Journal - November 2019 - 68
ASHRAE Journal - November 2019 - 69
ASHRAE Journal - November 2019 - 70
ASHRAE Journal - November 2019 - 71
ASHRAE Journal - November 2019 - 72
ASHRAE Journal - November 2019 - 73
ASHRAE Journal - November 2019 - 74
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ASHRAE Journal - November 2019 - 77
ASHRAE Journal - November 2019 - 78
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ASHRAE Journal - November 2019 - 81
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ASHRAE Journal - November 2019 - 84
ASHRAE Journal - November 2019 - 85
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ASHRAE Journal - November 2019 - 88
ASHRAE Journal - November 2019 - Cover3
ASHRAE Journal - November 2019 - Cover4
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