Installation for Studying the Influence of Capillary Waves on Microwave Radiation of a Rough Surface.
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| Title: | Installation for Studying the Influence of Capillary Waves on Microwave Radiation of a Rough Surface. |
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| Authors: | Sterlyadkin, V. V.1 (AUTHOR) sterlyadkin@mail.ru, Kulikovsky, K. V.1 (AUTHOR) constantinkk@mail.ru, Kuzmin, A. V.1,2 (AUTHOR) alexey.kuzmin@asp.iki.rssi.ru |
| Source: | Instruments & Experimental Techniques. Aug2025, Vol. 68 Issue 4, p619-626. 8p. |
| Subjects: | Capillary waves, Microwave radiometry, Wavenumber, Angles, Resonance, Brightness temperature, Rough surfaces |
| Abstract: | The paper describes an original setup for studying the contribution of capillary waves in the range of wave numbers k = 100–1200 rad/m to the microwave radiation of the surface. A feature of the technical solution is the generation of an almost monochromatic capillary grid of waves on the surface of a flat vessel, which allows for a "pure" study of critical phenomena occurring in the microwave radiation of the surface at certain observation angles. The generation of capillary waves of a given frequency and amplitude was carried out by a thin bar on the surface and its oscillations were set by the author's device located under the water surface. The shape of the resulting wave was recorded with the accuracy of 0.03 mm by an original method based on reflections from the surface. The vertical observation angle varied from 8° to 70° and the azimuthal rotation angles of the capillary grating changed by 360°. The microwave radiometer made it possible to measure variations in brightness temperature in four polarizations with the sensitivity of 0.1 K and with the accumulation time of 1 s. It was found that capillary waves with the amplitude of only 0.15–0.20 mm cause a resonant increase in the radiation intensity, reaching 5–6.5 K. Both the amplitude and the position of the resonant peak, which shifted to smaller elevation angles as the capillary wave length tended to the radiation wavelength, are consistent with the theory. [ABSTRACT FROM AUTHOR] |
| Copyright of Instruments & Experimental Techniques is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.) | |
| Database: | Engineering Source |
| FullText | Text: Availability: 0 |
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| Header | DbId: egs DbLabel: Engineering Source An: 189391152 AccessLevel: 6 PubType: Academic Journal PubTypeId: academicJournal PreciseRelevancyScore: 0 |
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| Items | – Name: Title Label: Title Group: Ti Data: Installation for Studying the Influence of Capillary Waves on Microwave Radiation of a Rough Surface. – Name: Author Label: Authors Group: Au Data: <searchLink fieldCode="AR" term="%22Sterlyadkin%2C+V%2E V%2E%22">Sterlyadkin, V. V.</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> sterlyadkin@mail.ru</i><br /><searchLink fieldCode="AR" term="%22Kulikovsky%2C+K%2E V%2E%22">Kulikovsky, K. V.</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> constantinkk@mail.ru</i><br /><searchLink fieldCode="AR" term="%22Kuzmin%2C+A%2E V%2E%22">Kuzmin, A. V.</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<i> alexey.kuzmin@asp.iki.rssi.ru</i> – Name: TitleSource Label: Source Group: Src Data: <searchLink fieldCode="JN" term="%22Instruments+%26+Experimental+Techniques%22">Instruments & Experimental Techniques</searchLink>. Aug2025, Vol. 68 Issue 4, p619-626. 8p. – Name: Subject Label: Subjects Group: Su Data: <searchLink fieldCode="DE" term="%22Capillary+waves%22">Capillary waves</searchLink><br /><searchLink fieldCode="DE" term="%22Microwave+radiometry%22">Microwave radiometry</searchLink><br /><searchLink fieldCode="DE" term="%22Wavenumber%22">Wavenumber</searchLink><br /><searchLink fieldCode="DE" term="%22Angles%22">Angles</searchLink><br /><searchLink fieldCode="DE" term="%22Resonance%22">Resonance</searchLink><br /><searchLink fieldCode="DE" term="%22Brightness+temperature%22">Brightness temperature</searchLink><br /><searchLink fieldCode="DE" term="%22Rough+surfaces%22">Rough surfaces</searchLink> – Name: Abstract Label: Abstract Group: Ab Data: The paper describes an original setup for studying the contribution of capillary waves in the range of wave numbers k = 100–1200 rad/m to the microwave radiation of the surface. A feature of the technical solution is the generation of an almost monochromatic capillary grid of waves on the surface of a flat vessel, which allows for a "pure" study of critical phenomena occurring in the microwave radiation of the surface at certain observation angles. The generation of capillary waves of a given frequency and amplitude was carried out by a thin bar on the surface and its oscillations were set by the author's device located under the water surface. The shape of the resulting wave was recorded with the accuracy of 0.03 mm by an original method based on reflections from the surface. The vertical observation angle varied from 8° to 70° and the azimuthal rotation angles of the capillary grating changed by 360°. The microwave radiometer made it possible to measure variations in brightness temperature in four polarizations with the sensitivity of 0.1 K and with the accumulation time of 1 s. It was found that capillary waves with the amplitude of only 0.15–0.20 mm cause a resonant increase in the radiation intensity, reaching 5–6.5 K. Both the amplitude and the position of the resonant peak, which shifted to smaller elevation angles as the capillary wave length tended to the radiation wavelength, are consistent with the theory. [ABSTRACT FROM AUTHOR] – Name: AbstractSuppliedCopyright Label: Group: Ab Data: <i>Copyright of Instruments & Experimental Techniques is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.) |
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| RecordInfo | BibRecord: BibEntity: Identifiers: – Type: doi Value: 10.1134/S0020441225700873 Languages: – Code: eng Text: English PhysicalDescription: Pagination: PageCount: 8 StartPage: 619 Subjects: – SubjectFull: Capillary waves Type: general – SubjectFull: Microwave radiometry Type: general – SubjectFull: Wavenumber Type: general – SubjectFull: Angles Type: general – SubjectFull: Resonance Type: general – SubjectFull: Brightness temperature Type: general – SubjectFull: Rough surfaces Type: general Titles: – TitleFull: Installation for Studying the Influence of Capillary Waves on Microwave Radiation of a Rough Surface. Type: main BibRelationships: HasContributorRelationships: – PersonEntity: Name: NameFull: Sterlyadkin, V. V. – PersonEntity: Name: NameFull: Kulikovsky, K. V. – PersonEntity: Name: NameFull: Kuzmin, A. V. IsPartOfRelationships: – BibEntity: Dates: – D: 01 M: 08 Text: Aug2025 Type: published Y: 2025 Identifiers: – Type: issn-print Value: 00204412 Numbering: – Type: volume Value: 68 – Type: issue Value: 4 Titles: – TitleFull: Instruments & Experimental Techniques Type: main |
| ResultId | 1 |
