Phase Shift Interferometry for Accurate Temperature Measurement Around a Vapor Bubble

Stoica, Virgil; Stephan, Peter

doi:10.1080/08916150701229881

Cited by 9 publications

(2 citation statements)

References 12 publications

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“…Investigations were realised for several measurement volume geometries, like (0D) point‐wise measurements,7 (1D) line measurements8, 9 or (2D) measurements 10, 11. Regarding boiling investigations, optical diagnostics have been applied to study bubble development12 or temperature distributions 13. In liquid mixtures or droplets, either composition14 or temperature,15–17 or both simultaneously18 have been measured successfully.…”

Section: Introductionmentioning

confidence: 99%

Simultaneous determination of the composition and temperature gradients in the vicinity of boiling bubbles in liquid binary mixtures using one‐dimensional Raman measurements

Knauer¹,

Lang²,

Braeuer³

et al. 2011

J Raman Spectroscopy

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The ability to transport large quantities of heat by nucleate boiling is reduced for mixtures compared to their pure components. To study the heat and mass transfer during the boiling process, a one-dimensional Raman spectroscopy setup was applied to measure, for the first time to the best of our knowledge, the composition and temperature gradients in the vicinity of single boiling bubbles of a mixture of acetone and isopropanol. A novel evaluation strategy allowed the simultaneous detection of the mixture composition and temperature from the C-H and the O-H Raman spectra. The composition gradients arise because of rectification effects, which cause unlike compositions in the gas and liquid phases. Heat transfer from the boiling bubble to the surrounding liquid induces temperature gradients. High temporal and spatial resolution measurements using an imaging spectrograph and an electron multiplying charge-coupled device camera revealed large composition and temperature gradients with similar shapes. The accuracy of the composition results was validated by a species conservation calculation.

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Section: Introductionmentioning

confidence: 99%

Simultaneous determination of the composition and temperature gradients in the vicinity of boiling bubbles in liquid binary mixtures using one‐dimensional Raman measurements

Knauer¹,

Lang²,

Braeuer³

et al. 2011

J Raman Spectroscopy

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“…Since the obtained temperature field was averaged along the light path in the test section, quantitative measurement of the phase change heat transfer at the liquid-vapor interface was not achieved. Stoica and Stephan [17] proposed phase shift interferometry having high accuracy for measuring the temperature field around a boiling bubble. However, they could only measure the temperature distribution of the liquid phase around a stable vapor bubble on a heating surface, because phase shift interferometry is unsuitable for measuring high-speed phenomena like actual boiling.…”

Section: Introductionmentioning

confidence: 99%

Interferometric Measurement of the Liquid-Phase Temperature Field around an Isolated Boiling Bubble

Yabuki

Hamaguchi

Nakabeppu

2012

JTST

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In this study, high-speed digital interferometry was used to measure heat transfer from the liquid phase to an isolated boiling bubble on a MEMS boiling sensor. The interferometric measurement results indicated variations in the macroscopic thermal field around the isolated boiling bubble, such as development of a superheated liquid layer on the heating wall, swelling of the superheated liquid layer in the bubble growth process, hot wake accompanied by a rising bubble, and thermal boundary layer around the bubble indicating condensation in subcooled boiling. However, the interferometry could not detect the positive temperature gradient driving the evaporation near the liquid-vapor interface during the bubble growth process, because the spatial resolution of about thirty microns was insufficient. The thickness of the boundary layer driving the evaporation was estimated to be a few dozen microns by a two-dimensional heat transfer simulation with the experimental results as calculation conditions. Finally, an improvement plan of the high-speed interferometer based on the result of the heat transfer analysis was presented.

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Microscale schlieren visualization of near-bubble mass transport during boiling of 2-propanol/water mixtures in a square capillary

Sun

Huang

2014

Exp Fluids

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Phase Shift Interferometry for Accurate Temperature Measurement Around a Vapor Bubble

Cited by 9 publications

References 12 publications

Simultaneous determination of the composition and temperature gradients in the vicinity of boiling bubbles in liquid binary mixtures using one‐dimensional Raman measurements

Simultaneous determination of the composition and temperature gradients in the vicinity of boiling bubbles in liquid binary mixtures using one‐dimensional Raman measurements

Interferometric Measurement of the Liquid-Phase Temperature Field around an Isolated Boiling Bubble

Microscale schlieren visualization of near-bubble mass transport during boiling of 2-propanol/water mixtures in a square capillary

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