Slim Air Moving Device 2011 Karmand Rasheed Ben Furst Bruk Yimesgen Alex Aseyev Faculty Advisor: Dr. Faryar Etesami Industry 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 RequirementTargetMeasured Air speed0.1 – 1 m/s4 m/s Flowrate0.01 – 0.1 cfm 0.01 cfm Pressure 0.01 – 0.05 IWG 0.08 IWG Thickness < 4 mm4 mm Power Consumption< 1 W1 W Critical PDS Requirements