title   
  

Hydrodynamic characteristics of crossflow over MEMS-based pillars

Koşar, Ali and Schneider, Brandon and Peles, Yoav (2011) Hydrodynamic characteristics of crossflow over MEMS-based pillars. Journal of Fluids Engineering, 133 (8). ISSN 0098-2202 (print) ; 1528-901X (electronic)

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Official URL: http://dx.doi.org/10.1115/1.4004366

Abstract

A parametric study was performed to reveal the hydrodynamic processes controlling crossflow over MEMS-based micro pin fin devices. Pressure drop experiments were conducted and used to obtain friction factors on a wide range of micro pin fin devices for various flow conditions and geometrical configurations, including pin fin height-to-diameter aspect ratios, spacings, and shapes. The acquired data suggests that the device geometry is the key parameter dictating friction factor trends and magnitude along with the Reynolds number. Additionally, friction factor data has shown that correlations based on experimental results performed on conventional scale tube bundles do not accurately predict the trends under working conditions pertaining to microfluidic systems.

Item Type:Article
Additional Information:Article number: 081201
Subjects:T Technology > T Technology (General)
T Technology > TJ Mechanical engineering and machinery
ID Code:16692
Deposited By:Ali Koşar
Deposited On:17 Aug 2011 11:06
Last Modified:27 Oct 2011 16:23

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