Стабилизация концентрации растворенных веществ в капельных кластерах


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Stabilization of Dissolved Substance Concentration in Droplet Clusters

Using a previously developed laboratory technique, a series of experiments was conducted to study the effect of increased concentrations of substances dissolved in water on the condensational growth and equilibrium parameters of droplets in levitating droplet clusters during their stabilization by the combined action of infrared heating and the dissolution of table salt in the water layer under the cluster. The experiments demonstrated that the equilibrium solution in cluster droplets can be reached even for dissolved substances that most strongly prevent equilibrium from being achieved. For the first time, experiments were conducted for mixtures of solutions of various substances. In some cases, a non-additive effect of the solution components on droplet evaporation and stabilization was observed. The results obtained demonstrate the complex interaction of some aqueous solutions in small droplets, highlighting the importance of employing alternative methods and technical means in experimental research.

droplet cluster, aqueous solutions, levitation, equilibrium.

DOI: http://doi.org/10.33257/PhChGD.26.4.1211

Александр Анатольевич Федорец, Эдуард Эдуардович Колмаков, Дмитрий Николаевич Медведев, Вячеслав Олегович Майоров, Леонид Александрович Домбровский

Том 26, выпуск 4, 2025 год



С применением ранее разработанной лабораторной методики проведена серия экс-периментов по изучению влияния повышенной концентрации растворенных в воде веществ на конденсационный рост и равновесные параметры капель в левитирующих капельных кластерах при их стабилизации путем совместного действия инфракрасного нагрева и растворения поваренной соли в слое воды под кластером. Экспериментально показана возможность выхода на равновесную концентрацию примеси в каплях кластера даже для растворенных веществ, которые наиболее сильно препятствуют достижению равновесия. Впервые проведены эксперименты для смесей растворов различных веществ. В ряде случаев наблюдалось неаддитивное влияние компонентов растворов на испарение и стабилизацию капель. Полученные результаты демонстрируют сложное взаимодействие некоторых растворов в малых каплях воды, что указывает на важность использования альтернативных методов и технических средств экспериментальных исследований.

капельный кластер, водные растворы, левитация, равновесие.

DOI: http://doi.org/10.33257/PhChGD.26.4.1211

Александр Анатольевич Федорец, Эдуард Эдуардович Колмаков, Дмитрий Николаевич Медведев, Вячеслав Олегович Майоров, Леонид Александрович Домбровский

Том 26, выпуск 4, 2025 год



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