The use of high-speed cameras as a tool for the characterization of raindrops in splash laboratory studies
© 2021 by the authors.
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Multidisciplinary Digital Publishing Institute
2021
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| Subjects: | Splash erosion, Raindrop, Terminal velocity, High-speed camera, Rainfall simulator, |
| Online Access: | http://hdl.handle.net/10261/266742 http://dx.doi.org/10.13039/501100011033 |
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dig-cide-es-10261-2667422022-04-11T06:45:53Z The use of high-speed cameras as a tool for the characterization of raindrops in splash laboratory studies Fernández-Raga, María Cabeza-Ortega, Marco González-Castro, Víctor Peters, Piet Commelin, Meindert Campo, Julián Ministerio de Ciencia, Innovación y Universidades (España) Agencia Estatal de Investigación (España) Splash erosion Raindrop Terminal velocity High-speed camera Rainfall simulator © 2021 by the authors. Measuring the characteristics of raindrops is essential for different processes studies. There have been many methods used throughout history to measure raindrops. In recent years, automatic image recognition and processing systems have been used with high-speed cameras to characterize rainfall by obtaining the spectrum of droplet sizes and their speeds and thus being able to use this technology to calibrate rainfall simulators. In this work, two phases were carried out: in the first one, individual drops with terminal speeds of different sizes were measured and processed both in speed and in shape with a high-speed camera; and in the second phase, a calibration procedure was designed but in multidrop images, determining the characteristics of the drops produced by a rain simulator. According to results, the real shape of each drop depending on the size was determined, from round to ovaloid shapes, and the terminal velocity of water drops with different sizes was measured. Based on the rain images used to calibrate a rainfall simulator, it was observed that, with a higher intensity of rain, the drops produced were smaller, which contrasts with real rain, in which just the opposite happens. This calibration evaluates their resemblance to reality, calculates the real kinetic energy of the rain they produce and see if they can be used to model events in nature. This research was fund by project PID2020-120439RA-I00 financed by MCIN/ AEI /10.13039/501100011033. 2022-04-08T14:20:03Z 2022-04-08T14:20:03Z 2021 2022-04-08T14:20:03Z artículo http://purl.org/coar/resource_type/c_6501 Water 13(20): 2851 (2021) http://hdl.handle.net/10261/266742 10.3390/w13202851 2073-4441 http://dx.doi.org/10.13039/501100011033 #PLACEHOLDER_PARENT_METADATA_VALUE# info:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2017-2020/PID2020-120439RA-I00/ES/LUCHANDO CONTRA LA DEGRADACION DEL PATRIMONIO PETREO DEBIDO AL CAMBIO CLIMATICO CON RECUBRIMIENTOS DE NANOMATERIALES SOSTENIBLES/ Publisher's version http://dx.doi.org/10.3390/w13202851 Sí open Multidisciplinary Digital Publishing Institute |
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Splash erosion Raindrop Terminal velocity High-speed camera Rainfall simulator Splash erosion Raindrop Terminal velocity High-speed camera Rainfall simulator |
| spellingShingle |
Splash erosion Raindrop Terminal velocity High-speed camera Rainfall simulator Splash erosion Raindrop Terminal velocity High-speed camera Rainfall simulator Fernández-Raga, María Cabeza-Ortega, Marco González-Castro, Víctor Peters, Piet Commelin, Meindert Campo, Julián The use of high-speed cameras as a tool for the characterization of raindrops in splash laboratory studies |
| description |
© 2021 by the authors. |
| author2 |
Ministerio de Ciencia, Innovación y Universidades (España) |
| author_facet |
Ministerio de Ciencia, Innovación y Universidades (España) Fernández-Raga, María Cabeza-Ortega, Marco González-Castro, Víctor Peters, Piet Commelin, Meindert Campo, Julián |
| format |
artículo |
| topic_facet |
Splash erosion Raindrop Terminal velocity High-speed camera Rainfall simulator |
| author |
Fernández-Raga, María Cabeza-Ortega, Marco González-Castro, Víctor Peters, Piet Commelin, Meindert Campo, Julián |
| author_sort |
Fernández-Raga, María |
| title |
The use of high-speed cameras as a tool for the characterization of raindrops in splash laboratory studies |
| title_short |
The use of high-speed cameras as a tool for the characterization of raindrops in splash laboratory studies |
| title_full |
The use of high-speed cameras as a tool for the characterization of raindrops in splash laboratory studies |
| title_fullStr |
The use of high-speed cameras as a tool for the characterization of raindrops in splash laboratory studies |
| title_full_unstemmed |
The use of high-speed cameras as a tool for the characterization of raindrops in splash laboratory studies |
| title_sort |
use of high-speed cameras as a tool for the characterization of raindrops in splash laboratory studies |
| publisher |
Multidisciplinary Digital Publishing Institute |
| publishDate |
2021 |
| url |
http://hdl.handle.net/10261/266742 http://dx.doi.org/10.13039/501100011033 |
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