LIF 및 CLSM을 결합한 미소 간극 내 유체의 단면 온도 분포 측정 기법Measurement of Cross-sectional Temperature Distribution in Micro-scale Gap Fluid using LIF Technique in combination with CLSM

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In the present work, the Laser-induced Fluorescence (LIF) technique and Confocal Laser Scanning Microscopy (CLSM) have been combined to measure the temperature distribution across a micro-scale liquid layer as a direct and non-invasive method. Only the fluorescent light emitted from a very thin volume around a focal plane can be selectively detected, and it enables us to measure the liquid temperatures even at the close vicinity of the walls. As an experimental verification, a test section consists of two flat plates (for heating and cooling, respectively) separated by about 180 microns was made, and the methanol mixed with a temperaturesensitive dye, Rhodamine B, was filled in the gap between them. The measured temperature distribution across the gap showed good linearity, which is a typical characteristic of conduction heat transfer through a thin liquid layer. In result, the CLSM-LIF technique proposed in the present study was found to be a promising method to measure the local temperatures in the liquid flow field in microfluidic devices.
Publisher
대한기계학회
Issue Date
2005-05
Language
KOR
Citation

대한기계학회 2004년 춘계학술대회, v.5, pp.2590 - 2595

URI
http://hdl.handle.net/10203/15121
Appears in Collection
ME-Conference Papers(학술회의논문)

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