Date of download: 11/5/2017 Copyright © ASME. All rights reserved. From: Thermal Management of Low Profile Electronic Equipment Using Radial Fans and Heat Sinks J. Heat Transfer. 2008;130(12):125001-125001-8. doi:10.1115/1.2977602 Figure Legend: Inlet and exit velocity triangles of tested configurations for the indicated blade in each image of the heat sink and rotors employed, the arrow over thick arrows represent the rotational direction in each case. N.B. Pictures or velocity triangles are not to scale and for visualization purposes only.

Date of download: 11/5/2017 Copyright © ASME. All rights reserved. From: Thermal Management of Low Profile Electronic Equipment Using Radial Fans and Heat Sinks J. Heat Transfer. 2008;130(12):125001-125001-8. doi:10.1115/1.2977602 Figure Legend: Schematic of the experimental setup for thermal resistance measurements

Date of download: 11/5/2017 Copyright © ASME. All rights reserved. From: Thermal Management of Low Profile Electronic Equipment Using Radial Fans and Heat Sinks J. Heat Transfer. 2008;130(12):125001-125001-8. doi:10.1115/1.2977602 Figure Legend: (Left) Flow rate measurement facility for fans and the (right) thermal solution setup to measure the flow rate

Date of download: 11/5/2017 Copyright © ASME. All rights reserved. From: Thermal Management of Low Profile Electronic Equipment Using Radial Fans and Heat Sinks J. Heat Transfer. 2008;130(12):125001-125001-8. doi:10.1115/1.2977602 Figure Legend: Experimental setup for flow rate measurement (not to scale)

Date of download: 11/5/2017 Copyright © ASME. All rights reserved. From: Thermal Management of Low Profile Electronic Equipment Using Radial Fans and Heat Sinks J. Heat Transfer. 2008;130(12):125001-125001-8. doi:10.1115/1.2977602 Figure Legend: Covers manufactured to investigate the effect of the cover design on flow rates for small scale fans

Date of download: 11/5/2017 Copyright © ASME. All rights reserved. From: Thermal Management of Low Profile Electronic Equipment Using Radial Fans and Heat Sinks J. Heat Transfer. 2008;130(12):125001-125001-8. doi:10.1115/1.2977602 Figure Legend: Relative volumetric flow rate for the cases described in Table for varying exit flow angles at 7500rpm

Date of download: 11/5/2017 Copyright © ASME. All rights reserved. From: Thermal Management of Low Profile Electronic Equipment Using Radial Fans and Heat Sinks J. Heat Transfer. 2008;130(12):125001-125001-8. doi:10.1115/1.2977602 Figure Legend: Thermal resistance in °C∕W for the cases described in Table for varying exit flow angles at 7500rpm

Date of download: 11/5/2017 Copyright © ASME. All rights reserved. From: Thermal Management of Low Profile Electronic Equipment Using Radial Fans and Heat Sinks J. Heat Transfer. 2008;130(12):125001-125001-8. doi:10.1115/1.2977602 Figure Legend: Effect of varying the rotor diameter with a fixed internal fin diameter of 25mm and 33mm at a speed of 7500rpm

Date of download: 11/5/2017 Copyright © ASME. All rights reserved. From: Thermal Management of Low Profile Electronic Equipment Using Radial Fans and Heat Sinks J. Heat Transfer. 2008;130(12):125001-125001-8. doi:10.1115/1.2977602 Figure Legend: Effect of the rotation speed on the thermal performance for different rotor diameters with the heat sink fin diameter starting at 33mm

Date of download: 11/5/2017 Copyright © ASME. All rights reserved. From: Thermal Management of Low Profile Electronic Equipment Using Radial Fans and Heat Sinks J. Heat Transfer. 2008;130(12):125001-125001-8. doi:10.1115/1.2977602 Figure Legend: Average heat transfer coefficient for the heat sink with the fin length starting at a radius of 33mm

Date of download: 11/5/2017 Copyright © ASME. All rights reserved. From: Thermal Management of Low Profile Electronic Equipment Using Radial Fans and Heat Sinks J. Heat Transfer. 2008;130(12):125001-125001-8. doi:10.1115/1.2977602 Figure Legend: Scaling of the Nusselt number and Reynolds number for a range of rotor diameters and speeds

Date of download: 11/5/2017 Copyright © ASME. All rights reserved. From: Thermal Management of Low Profile Electronic Equipment Using Radial Fans and Heat Sinks J. Heat Transfer. 2008;130(12):125001-125001-8. doi:10.1115/1.2977602 Figure Legend: Percentage flow rate and heat transfer relative to no cover; black and grey columns represent the flow rate and Nusselt number, respectively, and K refers to the case of no blockage