Hydrodynamic Characteristics of Crossflow over MEMS-Based Pillars-Reference-Cited by-同舟云学术

Hydrodynamic Characteristics of Crossflow over MEMS-Based Pillars

Published:2011-08-01 Issue:8 Volume:133 Page:
ISSN:0098-2202
Container-title:Journal of Fluids Engineering
language:en
Short-container-title:

Author:

Koşar Ali¹,Schneider Brandon²,Peles Yoav²

Affiliation:

1. Mechatronics Engineering Program, SabancıUniversity, Orhanlı, Tuzla, Istanbul, 34956 Turkey

2. Department of Mechanical, Aerospace and Nuclear Engineering, Rensselaer Polytechnic Institute, Troy, NY 12180

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.

Publisher

ASME International

Subject

Mechanical Engineering

Link

http://asmedigitalcollection.asme.org/fluidsengineering/article-pdf/doi/10.1115/1.4004366/5905562/081201_1.pdf

Reference41 articles.

1. Forced Convective Heat Transfer Across a Pin Fin Micro Heat Exchanger;Peles;Int. J. Heat Mass Transfer

2. Convective Flow of Refrigerant (R-123) across a Bank of Micro Pin Fins;Koşar;Int. J. Heat Mass Transfer

3. Thermalhydraulic Performance of MEMS-based Pin Fin Heat Sink;Koşar;J. Heat Transfer

4. Measurement and Prediction of Pressure Drop in a Two-phase Micro-pin-fin Heat Sink;Qu;Int. J. Heat Mass Transfer

5. Experimental Study of Saturated Flow Boiling Heat Transfer in an Array of Staggered Micro-pin-fins;Qu;Int. J. Heat Mass Transfer

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