Experimental investigation of the temperature field in the gas-liquid two-layer system

Abstract

Results of an experimental investigation of the temperature field across the liquid-gas two-layer system are presented. The liquid layer is locally heated from the bottom substrate, and the intensive liquid evaporation is observed. A technique for measuring the temperature profile across the liquid and gas layers (including their interface) is developed. To do these measurements, the microthermocouple is moved across the layers with the help of precision micropositioner with a step of 1 μm. The temperature jump at the liquid-gas interface is measured, and its value increases with the temperature increase. Detailed information on the temperature field near the interface is obtained by using the precise thermocouple displacement with a small step.

Original language	English
Pages (from-to)	701-706
Number of pages	6
Journal	Thermophysics and Aeromechanics
Volume	22
Issue number	6
DOIs	https://doi.org/10.1134/S0869864315060050
Publication status	Published - 1 Nov 2015

Keywords

evaporation
liquid-gas interface
microthermocouple
temperature jump

ASJC Scopus subject areas

Nuclear and High Energy Physics
Radiation

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Gatapova, E. Y., Filipenko, R. A., Lyulin, Y. V., Graur, I. A., Marchuk, I. V., & Kabov, O. A. (2015). Experimental investigation of the temperature field in the gas-liquid two-layer system. Thermophysics and Aeromechanics, 22(6), 701-706. https://doi.org/10.1134/S0869864315060050

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abstract = "Results of an experimental investigation of the temperature field across the liquid-gas two-layer system are presented. The liquid layer is locally heated from the bottom substrate, and the intensive liquid evaporation is observed. A technique for measuring the temperature profile across the liquid and gas layers (including their interface) is developed. To do these measurements, the microthermocouple is moved across the layers with the help of precision micropositioner with a step of 1 μm. The temperature jump at the liquid-gas interface is measured, and its value increases with the temperature increase. Detailed information on the temperature field near the interface is obtained by using the precise thermocouple displacement with a small step.",

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author = "Gatapova, {E. Ya} and Filipenko, {R. A.} and Lyulin, {Yu V.} and Graur, {I. A.} and Marchuk, {I. V.} and Kabov, {O. A.}",

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AU - Gatapova, E. Ya

AU - Filipenko, R. A.

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AU - Marchuk, I. V.

AU - Kabov, O. A.

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AB - Results of an experimental investigation of the temperature field across the liquid-gas two-layer system are presented. The liquid layer is locally heated from the bottom substrate, and the intensive liquid evaporation is observed. A technique for measuring the temperature profile across the liquid and gas layers (including their interface) is developed. To do these measurements, the microthermocouple is moved across the layers with the help of precision micropositioner with a step of 1 μm. The temperature jump at the liquid-gas interface is measured, and its value increases with the temperature increase. Detailed information on the temperature field near the interface is obtained by using the precise thermocouple displacement with a small step.

KW - evaporation

KW - liquid-gas interface

KW - microthermocouple

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