Slim Air Moving Device 2011Karmand Rasheed
Ben FurstBruk Yimesgen
Alex Aseyev
Faculty Advisor: Dr. Faryar EtesamiIndustry Advisor: Jered Wikander
Background
• Importance of cooling electronics– Efficiency– Performance– Life in service– Safety
• Current Fan Technology– Highly developed– Efficiency at small scales
Motivation
• Commercial trend for smaller electronics– Customer appeal– Affordability
• Small fans have questionable efficiency and performance
• Development of an unconventional air moving device
Product Design Specification
Concept• Positive displacement pump• Electromagnetic actuation• Directional flow with check valves
Components
• Case• Magnet and Electromagnet• Flexible membrane• Valves• Power supply
Final Product
• Specifications– Dimensions– Materials
Performance
• Critical targets were met• Operating characteristics
Requirement Target Measured
Air speed 0.1 – 1 m/s 4 m/s
Flowrate 0.01 – 0.1 cfm 0.01 cfm
Pressure 0.01 – 0.05 IWG 0.08 IWG Thickness < 4 mm 4 mm
Power Consumption < 1 W 1 W
Critical PDS Requirements