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Conference Paper: Transient optical measurements of temperature in the vaporization of liquids on a pulsed-laser-heated surface

TitleTransient optical measurements of temperature in the vaporization of liquids on a pulsed-laser-heated surface
Authors
Issue Date1995
Citation
American Society of Mechanical Engineers, Heat Transfer Division, (Publication) HTD, 1995, v. 306, n. 4 How to Cite?
AbstractThe temperature field development in the excimer laser-induced vaporization of liquids on a solid surface is studied. A photothermal reflectance technique utilizing a thin semiconductor film, which has temperature-dependent optical properties, is applied to measure the transient temperature during the vaporization with nanosecond time resolution. The transient reflectivity is calibrated by considering a temperature gradient across the sample based on the static measurements at elevated temperatures. The surface temperature evolution is monitored in a high-pressure cell where the liquid pressure is varied. The dynamics of bubble nucleation, growth, and collapse is simultaneously detected by optical specular reflectance probe. The metastability of liquid and the onset criterion for the liquid-vapor phase transition in nanosecond time scale is obtained quantitatively for the first time.
Persistent Identifierhttp://hdl.handle.net/10722/256854
ISSN

 

DC FieldValueLanguage
dc.contributor.authorPark, Hee K.-
dc.contributor.authorZhang, Xiang-
dc.contributor.authorGrigoropoulos, Costas P.-
dc.contributor.authorPoon, Chie C.-
dc.contributor.authorTam, Andrew C.-
dc.date.accessioned2018-07-24T08:58:07Z-
dc.date.available2018-07-24T08:58:07Z-
dc.date.issued1995-
dc.identifier.citationAmerican Society of Mechanical Engineers, Heat Transfer Division, (Publication) HTD, 1995, v. 306, n. 4-
dc.identifier.issn0272-5673-
dc.identifier.urihttp://hdl.handle.net/10722/256854-
dc.description.abstractThe temperature field development in the excimer laser-induced vaporization of liquids on a solid surface is studied. A photothermal reflectance technique utilizing a thin semiconductor film, which has temperature-dependent optical properties, is applied to measure the transient temperature during the vaporization with nanosecond time resolution. The transient reflectivity is calibrated by considering a temperature gradient across the sample based on the static measurements at elevated temperatures. The surface temperature evolution is monitored in a high-pressure cell where the liquid pressure is varied. The dynamics of bubble nucleation, growth, and collapse is simultaneously detected by optical specular reflectance probe. The metastability of liquid and the onset criterion for the liquid-vapor phase transition in nanosecond time scale is obtained quantitatively for the first time.-
dc.languageeng-
dc.relation.ispartofAmerican Society of Mechanical Engineers, Heat Transfer Division, (Publication) HTD-
dc.titleTransient optical measurements of temperature in the vaporization of liquids on a pulsed-laser-heated surface-
dc.typeConference_Paper-
dc.description.natureLink_to_subscribed_fulltext-
dc.identifier.scopuseid_2-s2.0-0029429353-
dc.identifier.volume306-
dc.identifier.issue4-
dc.identifier.spagenull-
dc.identifier.epagenull-

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