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AN ANALYSIS OF POROUS MEDIA HEAT SINKS FOR NATURAL CONVECTION COOLED MICROELECTRONIC SYSTEMS.

AN ANALYSIS OF POROUS MEDIA HEAT SINKS FOR NATURAL CONVECTION COOLED MICROELECTRONIC SYSTEMS. . Engineering Project by: Eric Savery Main Advisor: Ernesto Gutierrez-Miravete Final Report. Project Objectives .

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AN ANALYSIS OF POROUS MEDIA HEAT SINKS FOR NATURAL CONVECTION COOLED MICROELECTRONIC SYSTEMS.

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  1. AN ANALYSIS OF POROUS MEDIA HEAT SINKS FOR NATURAL CONVECTION COOLED MICROELECTRONIC SYSTEMS. Engineering Project by: Eric Savery Main Advisor: Ernesto Gutierrez-Miravete Final Report

  2. Project Objectives • The Purpose of this was to determine effect porous material has when used as a heat sink in microelectronic devices. This includes determining the following: • Effect Porosity: • Effect of Permeability • Comparison Different Permeability/Porosity Combinations. • Comparison of Porous Material vs Non-porous Material Heat Sinks

  3. Porous Material • Porosity: (ε) is also known as void fraction, is the measure of voids or spaces inside a material • Permeability: (κ) is the measure of the ability of a material to transmit fluid though itself

  4. How does Porous Material Effect Heat Transfer • Flow through Porous Material Heat Transfer through Porous Material

  5. Qout Qin Qin Qout Qout Qout u @ Tc u @ Tc Qout Qin Qout Qout u @ Tc Models No Heat Sink Solid Block Heat Sink Porous Block Heat Sink

  6. Model Results

  7. Porosity

  8. Permeability

  9. Permeability Cont.

  10. Results

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