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It was observed that for both solutions, the film thickness shows two stages of decrease with time. The critical thicknesses that represent the transition of these two stages were then obtained. The change in critical thickness of the aqueous solution of ethanol is more sensitive to the low-pressure condition, while the aqueous solution of hexanol is less affected by the low pressures. The depinning time, critical thickness, and film thickness decline rate of these liquids showed an approximately exponential relationship with the absolute pressure. Finally, correlations between the logarithmic values of the relevant parameters and the absolute pressure were obtained.<\/jats:p>","DOI":"10.1063\/5.0234215","type":"journal-article","created":{"date-parts":[[2025,8,4]],"date-time":"2025-08-04T12:46:23Z","timestamp":1754311583000},"update-policy":"https:\/\/doi.org\/10.1063\/aip-crossmark-policy-page","source":"Crossref","is-referenced-by-count":0,"title":["Measurements of flow characteristics and interfacial evolution in the evaporative thin film region of aqueous solutions under reduced pressure"],"prefix":"10.1063","volume":"96","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-9582-4237","authenticated-orcid":false,"given":"Leping","family":"Zhou","sequence":"first","affiliation":[{"name":"School of Energy, Power and Mechanical Engineering, North China Electric Power University 1 , Beijing 102206,","place":["China"]},{"name":"Key Laboratory of Power Station Energy Transfer Conversion and System (North China Electric Power University), Ministry of Education 2 , Beijing 102206,","place":["China"]}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0009-0004-9317-6386","authenticated-orcid":false,"given":"Yongxin","family":"Liu","sequence":"additional","affiliation":[{"name":"School of Energy, Power and Mechanical Engineering, North China Electric Power University 1 , Beijing 102206,","place":["China"]}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Xinming","family":"Xi","sequence":"additional","affiliation":[{"name":"School of Energy, Power and Mechanical Engineering, North China Electric Power University 1 , Beijing 102206,","place":["China"]},{"name":"Key Laboratory of Power Station Energy Transfer Conversion and System (North China Electric Power University), Ministry of Education 2 , Beijing 102206,","place":["China"]}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Xiaoze","family":"Du","sequence":"additional","affiliation":[{"name":"School of Energy, Power and Mechanical Engineering, North China Electric Power University 1 , Beijing 102206,","place":["China"]},{"name":"Key Laboratory of Power Station Energy Transfer Conversion and System (North China Electric Power University), Ministry of Education 2 , Beijing 102206,","place":["China"]}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"317","published-online":{"date-parts":[[2025,8,4]]},"reference":[{"volume-title":"Collected Scientific Papers","year":"1890","key":"2025080408461647300_c1"},{"volume-title":"Evaporation and Droplet Growth in Gaseous Media","year":"2013","key":"2025080408461647300_c2"},{"key":"2025080408461647300_c3","first-page":"224","article-title":"\u00dcber die Verdampfungsgeschwindigkeit kleiner Tr\u00f6pfchen in einer Gasatmosph\u00e4re","volume":"6","year":"1934","journal-title":"Phys. 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