Team #1 Members
CerronneCathey
Project Manager
Kilian Davis
Mike Robell
Lab Coordinator Presentation Prep.
Subir Biswas
Team Facilitator
Mason Pike
Web Designer
Cal Underwood
Documentation Prep.
Ben Bosma
Sponsor
Representative
2
Agenda
Introduction
Design Specifications
Initial Design Concepts
Proposed Design Solution
Additional Enhancements
Risk Analysis
Budget
Conclusion
3
Background
• Air Force Sophisticated Electronic Systems
– Cell Relay Towers
– Local Internet Gateways
• Conditions
– High Temperature Environments:
•
•
•
•
Kuwait
Burma
Iraq
Saudi Arabia, etc.
4
Project Description
• Mounted Electronic Device Housing
– Computer Equipment
– Laptops
• Design Problem
– Active Cooling System
•
•
•
•
Robust & Rugged
Minimal Power Usage
Portable
Low Decibel Sound Output
• Existing Solutions
5
Objectives
• Main Objectives
– P.E.E.R. (Portable Electronic Equipment Rack)
Temperature Restrictions
• Environment
• Electronic Equipment
–
–
–
–
–
Portability
Robust
Air Tightness
Hazardous Chemicals
Multiple Accessible Power Sources
6
Objectives
•
Secondary Objectives
– Two Separate Enclosures
• 5-20ft Distance from P.E.E.R.
• C.S.E. (Cooling System Enclosure):
– Minimal Size Dimensions
– Minimal Weight
– Silent
– Efficient
– Cool Uniformly
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Heat Sink Design
• Design Components
– Aluminum Tubing
– Heat Sinks
• Strengths
– Heat Transfer Rate
– Sustainable
• Weaknesses
– Weight
– Water Build Up
– Efficiency
Figure 1
8
Water Cooling System
• Components and Design
–
–
–
–
Radiators
Tubing
Pump
Reservoir
• Strengths
– Cooling Capability and Performance
• Weaknesses
–
–
–
–
Figure 2
Budget
Weight
Complexity
Ambient temperature limitations
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Geothermal Cooling
• Setup
– Timing
– Mobility
– Complexity
• Expensive
Figure 3
10
Project Design
• Refrigeration – Effective
–
–
–
–
No Air Exchange
Continuous Air Recycling
Liquid Cooling
Falls Within Budget
Figure 4
11
Refrigeration
Techniques
• Evaporation
• High Pressure and Low
Pressure
• Compressor
• Condenser Coils
• Evaporator Coils
Figure 5
Reference:
http://www.refrigers.com/img_article/r3134.jpg
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Proposed Design
Solution
E.R.A.C.S.
EQUIPMENT RACK ACTIVE COOLING SYSTEM
Figure 6
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Power Consumption
and Adaptability
Cooling System
Enclosure
Buck Converter
24V
DC
DC - DC
Inverter
12V
DC
C.S.E
110V
AC
Rectifier
Figure 7
12V Fan Supply
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Additional
Enhancements
• Efficiency
– Weight
– Portability
– Fridge Volume
• Aesthetics
–
–
–
–
–
LED Lighting
Visual Appearance
Stability
Handling
Testing
Figure 8
15
Risk Analysis
• Humidity/Condensation
• Durability
– Environmental
– Transportation
– Dependability
• Testing
• Air Flow Rate
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Budget
Item
Quantity
Price
Compact Refrigerator
1
$200.00
Tubing
40ft
$50.00
120mm Fans
4
$15.00
Spray Insulation Foam
TBD
$10.00
Plywood
TBD
$20.00
Lumber
TBD
$20.00
Fiberglass Insulation
TBD
$10.00
Hinges
2
$10.00
Weather Stripping
TBD
$10.00
Latch Clamp
2
$10.00
12V Inverter
1
$30.00
24V Convertor
1
$30.00
Thermistor
4
$5.00
Microcontroller
1
$10.00
PC Board
1
$1.00
Miscellaneous Circuit Parts
TBD
$30.00
Miscellaneous Buliding Materials
TBD
$10.00
Total
$471.00
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Budget
• Budget surplus of $29.00
• Costs are estimates
– Hedged for sales tax and shipping costs
18
Conclusion
• Designing an CSE (Cooling System Enclosure)
for PEER (Portable Electronic Equipment Rack)
• Deployed to multiple current and potential
locations around the globe
• Potential Air Force cost savings
19
References
•
Figure 1:
http://www.bing.com/images/search?q=maximum+heat+dissapation+via+hybrid+copper+
and+aluminum+design&view=detail&id=2DE39D3B4D5CAE1578904477406A6700C2FFCC21
•
Figure 2:
http://en.kllproject.lv/wp-content/uploads/2012/04/guidecool_53.gif
•
Figure 3:
http://www.bing.com/images/search?q=Geothermic+Cooling&view=detail&id=0B6C807F2
C22CCE8AC14FB7B82A363AFE3C8AE72
•
Figure 4:
http://www.bing.com/images/search?q=refrigeration+model&view=detail&id=09F51DBEC6
A2F8EEFDC4AA4143297D6F0C1DE01D&first=151
•
Figure 5:
http://www.refrigers.com/img_article/r3-134.jpg
•
Figure 8:
http://www.bing.com/images/search?q=up+arrow+person&view=detail&id=033C153C0AC0
0DB127951FDC588FEAD6DF1C5214
20
Thank You
Thank You
For Your Time and Cooperation
Questions?
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