Spatial Frequency Analysis of Holograms of Two Droplets in Close Proximity
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- Material Type
- 記事
- Author/Editor
- Dai NAKAIYohsuke TANAKA
- Author Heading
- Periodical title
- Advanced experimental mechanics / Editorial board for advanced experimental mechanics [編]
- No. or year of volume/issue
- 8:2023.8
- Volume
- 8
- Pages
- 33-38
- Publication date of volume/issue (W3CDTF)
- 2023-08
- ISSN (Periodical Title)
- 2189-4752
- ISSN-L (Periodical Title)
- 2189-4752
- Publication (Periodical Title)
- Niigata : The Japanese Society for Experimental Mechanics
- Place of Publication (Country Code)
- JP
- Text Language Code
- eng
- NDLC
- Target Audience
- 一般
- Holding library
- 国立国会図書館
- Call No.
- Z63-D560
- Data Provider (Database)
- 国立国会図書館 : 国立国会図書館雑誌記事索引
- Bibliographic ID (NDL)
- 033102133
- Bibliographic Record Category (NDL)
- 632
- Summary, etc.
- <p>Micro-droplet collision-coalescence processes can be observed more efficiently by detecting the approaching droplets in advance of the holographic reconstruction. In this study, we experimentally verify the mathematical formulation of the relationship between the stripe pattern on the spectral distribution of the hologram of two micro-droplets and their relative displacement. This relationship enables us to directly estimate the droplet displacements from the spectral distributions of holograms. We record holograms with two dot-printed glass plates while varying the inter-dot distance and confirm that the stripe pattern appears and varies with the distance between the dots. We also confirm that the detected stripe spacings of recorded holograms fit well with the theoretical spacing values calculated with our formula when the two dots are close but not colliding. Our method contributes to a better understanding of cloud microphysical processes, which can lead to more accurate precipitation prediction.</p>
- DOI
- 10.11395/aem.8.0_33
- Access Restrictions
- インターネット公開
- Data Provider (Database)
- 科学技術振興機構 : J-STAGE
- Summary, etc.
- <p>Micro-droplet collision-coalescence processes can be observed more efficiently by detecting the approaching droplets in advance of the holographic reconstruction. In this study, we experimentally verify the mathematical formulation of the relationship between the stripe pattern on the spectral distribution of the hologram of two micro-droplets and their relative displacement. This relationship enables us to directly estimate the droplet displacements from the spectral distributions of holograms. We record holograms with two dot-printed glass plates while varying the inter-dot distance and confirm that the stripe pattern appears and varies with the distance between the dots. We also confirm that the detected stripe spacings of recorded holograms fit well with the theoretical spacing values calculated with our formula when the two dots are close but not colliding. Our method contributes to a better understanding of cloud microphysical processes, which can lead to more accurate precipitation prediction.</p>
- DOI
- 10.11395/aem.8.0_33
- Related Material (URI)
- Data Provider (Database)
- 国立情報学研究所 : CiNii Research
- Original Data Provider (Database)
- Japan Link Center雑誌記事索引データベース
- Bibliographic ID (NDL)
- 033102133