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