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Journal of Flow Visualization and Image Processing

ISSN Druckformat: 1065-3090
ISSN Online: 1940-4336

Journal of Flow Visualization and Image Processing

DOI: 10.1615/JFlowVisImageProc.v11.i3.10
24 pages

DEVELOPMENT OF MICROSCALE VISUALIZATION TECHNIQUES

Kenneth D. Kihm
Texas A&M University College Station, TX; and Micro/Nano-Scale Fluidics and Energy Transport Laboratory, University of Tennessee, Mechanical, Aerospace and Biomedical Engineering Department, Knoxville TN 37996-2210, USA
Hyun-Jung Kim
Micro/Nano-Scale Fluidics and Energy Transport Laboratory, University of Tennessee, Mechanical, Aerospace and Biomedical Engineering Department, Knoxville TN 37996-2210, USA
Jae-Sung Park
Micro/Nano-Scale Fluidics and Energy Transport Laboratory, University of Tennessee, Mechanical, Aerospace and Biomedical Engineering Department, Knoxville TN 37996-2210, USA
Arindam Banerjee
Micro/Nano-Scale Fluidics and Energy Transport Laboratory, University of Tennessee, Mechanical, Aerospace and Biomedical Engineering Department, Knoxville TN 37996-2210, USA
Sang-Kwon Wee
Micro/Nano-Scale Fluidics and Energy Transport Laboratory, University of Tennessee, Mechanical, Aerospace and Biomedical Engineering Department, Knoxville TN 37996-2210, USA
Chang-Kyoung Choi
Micro/Nano-Scale Fluidics and Energy Transport Laboratory, University of Tennessee, Mechanical, Aerospace and Biomedical Engineering Department, Knoxville TN 37996-2210, USA
Sok-Won Paik
Micro/Nano-Scale Fluidics and Energy Transport Laboratory, University of Tennessee, Mechanical, Aerospace and Biomedical Engineering Department, Knoxville TN 37996-2210, USA
Cheong-Su Seo
Micro/Nano-Scale Fluidics and Energy Transport Laboratory, University of Tennessee, Mechanical, Aerospace and Biomedical Engineering Department, Knoxville TN 37996-2210, USA
Heon-Ju Lee
Micro/Nano-Scale Fluidics and Energy Transport Laboratory, University of Tennessee, Mechanical, Aerospace and Biomedical Engineering Department, Knoxville TN 37996-2210, USA

ABSTRAKT

A review on advanced flow visualization techniques is presented particularly for applications to microscale heat and mass transport measurements. Challenges, development and applications of microscale visualization techniques are discussed for the study of heating/evaporating thin films, gas bubble advancement in a microchannel, thermophoretic behavior near the solid surface, and microheater fabrications, mainly conducted at the Microscale Fluidics and Heat Transport Laboratory of Texas A&M University. The presented topics include:

  1. Fizeau interferometry for thin film thickness measurements.
  2. Total Internal Reflection Fluorescence Microscopy (TIRFM) for flow field measurements with 100-nm depth-of-field.
  3. Molecular Tagging Fluorescence Velocimetry (MTFV) using 10-nm caged seeding molecules.
  4. Ratiometric Laser Induced Fluorescence (LIF) for micro-resolution thermometry.
  5. Confocal Laser Scanning Microscopy (CLSM) for optical sectioning with 1.0-μm depthwise resolution.
  6. Multi-layer fabrications of microheater arrays with feedback circuit control.
Each of these techniques is discussed in three-fold: (1) its operating principle and operation, (2) its application and measurement results, and (3) its future challenges.