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CO2 Footprint Reduction of the Augusta State University Science Building:

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Title: CO2 Footprint Reduction of the Augusta State University Science Building:


1
CO2 Footprint Reduction of the Augusta State
University Science Building An Efficiency
Analysis
Lane Hammond, Biology and Jeramy Barry,
Physics Faculty Sponsor Dr. Hauke Busch,
Chemistry and Physics
Table 5. Comparison of the Cost from Energy Lost
between a Revolving Door and a Swinging Door
Introduction Eleven of the twelve years between
1995 and 2006 ranked among the twelve warmest
years in the instrumental record of global
surface temperature. Average artic temperatures
have increased at almost twice the average global
rate in the past 100 years. An increase in sea
level and the observed decreases in snow and ice
extent are also consistent with the warming of
Earth. Over the past century, Earth has warmed
1.3F. It is predicted that over the next
century the Earth could warm as much as 7.2F.
The principle contributor to the climate change,
global greenhouse gases, have increased by 70
between 1970 and 2004. Perhaps the most
influential greenhouse gas, CO2, has itself
increased 80 during this time period.
Cost of Light Sensor Installation
4,810.00 Annual savings 1,200.00 Recovery
period 4 years Annual CO2 reduction 6.4 tons
Computer System Whether the computers in the
science building are being used or on standby
mode, they are consuming 60W of power. Of the
211 computers present in the science building, a
majority of them are on at all times. This
constant consumption of power results in an
annual cost of about 8,900. A voltmeter was
used to find the power consumption of the
computers on hibernation mode. The power
consumption on hibernation mode was found to be
1W. The simple implementation of this setting
was then both economically and environmentally
assessed for the individual building and the
entire university.
Cost of Revolving Door and Installation 20,000
each Annual savings at 20 efficiency
2,690.00 Recovery Period from Installation of
Two Revolving Doors 13 years Annual CO2
Reduction 13 tons
Solar Panels The cost and efficiency of the
installation of solar panels were also
examined.
Table 2. Cost Benefits of Placing the Computers
in the ASU Science Building on Hibernation Mode
Annual savings 4,300.00 Annual CO2 reduction
23 tons
Purpose Augusta State University has an annual
power bill of over 1.6 million dollars. As a
result of this extreme energy usage, the
University emits 15 million tons of CO2. This
CO2 emission is equivalent to the destruction of
4 trillion ft² of rainforest. The Science
Building attributes to 1/3 of this immense power
bill and CO2 emission. In an effort to reduce
the Augusta State University Science Buildings
power bill and global CO2 footprint, an
efficiency analysis of the building was
undertaken. This analysis included both
examination and theoretical implementation of
proposed efficient energy alternatives including
lighting sensors, computer programs, revolving
doors, solar panels and hydrogen fuel cells.
Table 3. Cost Benefits of Placing the 1500 ASU
Campus Computers on Hibernation Mode
Cost of solar panel installation
175,000.00 Annual cost savings
3,024.00 Recovery period 58 years Annual CO2
reduction 16 tons
Future Projects
Worked will be continued on solar panel
modification and efficiency now that a solar
panel has been purchased for further experimental
research.
Lighting Sensors In order to calculate the cost
of powering the lights annually, the number of
lights in the science building was calculated and
the time that each light is on daily was
estimated. By using the standard rate of
electrical cost, 0.08 cents/kW/hr, the estimated
annual cost to power the lights in the ASU
science building was found to be approximately
10,000. To assess which rooms could benefit by
the installation of light sensors, and to
precisely estimate the amount of time the lights
were on in individual rooms, all of the rooms
were observed for a number of months. The square
footage of each room was then calculated and it
was determined that a single passive infrared
wall mount sensor that covers 900 ft² would be
sufficient to monitor each room. The cost of an
individual passive infrared H-MOSS wall mount
sensor is 42.20.
Annual savings 30,500.00 Annual CO2 reduction
162 tons
Door Analysis
To calculate the volume of air lost per door
opening in the atrium of the science building,
the air flux through individual doors were
measured at various time intervals and
temperatures.
Table 4. Comparison of the Volume of Air Lost
between a Revolving Door and a Swinging Door
Table 1. Cost of the Lights with or without
Sensors in the 115 Selected Rooms
Storage, catalysts, and hydrogen sources are
going to be examined for fuel cells. Also, a
project set to create a fuel cell or solar
powered golf cart may be in the near future.
References
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