Local liquid sample heating: integration and isolation of a micro-heater

M. Geca; M. Borecki; M. L. Korwin-Pawlowski; A. Kociubiński

doi:10.1117/12.2203520

11 September 2015 Local liquid sample heating: integration and isolation of a micro-heater

M. Geca, M. Borecki, M. L. Korwin-Pawlowski, A. Kociubiński

Proceedings Volume 9662, Photonics Applications in Astronomy, Communications, Industry, and High-Energy Physics Experiments 2015; 96620E (2015) https://doi.org/10.1117/12.2203520
Event: XXXVI Symposium on Photonics Applications in Astronomy, Communications, Industry, and High-Energy Physics Experiments (Wilga 2015), 2015, Wilga, Poland

Abstract

Local liquid sample heating is used in multiparametric sensors of liquid type classification and in sensors of liquid flow. In such applications, the heating of the liquid is done by micro-heaters, with the liquid separated from the micro-heater. The presented paper concentrates on the physical conditions of liquid sample heating used in capillary sensors. In such devices the repeatable transfer of heat is required. The basic measurements include time of liquid to vapor phase transitions and local transfer of heat. In the work were used experimental and simulation techniques. The obtained results show that in the capillary sensor repeatable local heat transfer conditions can be easier achieved than repeatable time of liquid to vapor phase transitions. In the analyzed case, the local heating depends mostly on the capillary to micro-heater distance. The liquid to vapor transition times, beside of the liquid type, depend on the powers used for micro-heater heating and on capillary cross-section parameters, such as the inner and outer diameter values. By increasing the power to the micro-heater the transition time variability is reduced.

Citation Download Citation

M. Geca, M. Borecki, M. L. Korwin-Pawlowski, and A. Kociubiński "Local liquid sample heating: integration and isolation of a micro-heater", Proc. SPIE 9662, Photonics Applications in Astronomy, Communications, Industry, and High-Energy Physics Experiments 2015, 96620E (11 September 2015); https://doi.org/10.1117/12.2203520

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