Fragmentation of ice particles: laboratory experiments on graupel–graupel and graupel–snowflake collisions

Grzegorczyk, Pierre; Yadav, Sudha; Zanger, Florian; Theis, Alexander; Mitra, Subir K.; Borrmann, Stephan; Szakáll, Miklós

doi:https://doi.org/10.5194/acp-23-13505-2023

Articles | Volume 23, issue 20

https://doi.org/10.5194/acp-23-13505-2023

© Author(s) 2023. This work is distributed under
the Creative Commons Attribution 4.0 License.

https://doi.org/10.5194/acp-23-13505-2023

© Author(s) 2023. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 23, issue 20

Research article

|

25 Oct 2023

Research article |

| 25 Oct 2023

Fragmentation of ice particles: laboratory experiments on graupel–graupel and graupel–snowflake collisions

Pierre Grzegorczyk, Sudha Yadav, Florian Zanger, Alexander Theis, Subir K. Mitra, Stephan Borrmann, and Miklós Szakáll

Supplement

https://doi.org/10.5194/acp-23-13505-2023-supplement

Data sets

Experimental data for "Fragmentation of ice particles: laboratory experiments on graupel-graupel and graupel-snowflake collisions" Pierre Grzegorczyk, Sudha Yadav, Florian Zander, Alexander Theis, Subir Kumar Mitra, and Miklós Szakáll https://doi.org/10.5281/zenodo.8348271

Video supplement

Collision between two graupel particles in a fall tube, Part 3: Collision induced fragmentation of ice particles Pierre Grzegorczyk, Miklós Szakáll, Alexander Theis, and Subir Mitra https://doi.org/10.5446/62064

Collision between two graupel particles in a fall tube - Part 2: Edge collision Pierre Grzegorczyk, Miklós Szakáll, Alexander Theis, and Subir Mitra https://doi.org/10.5446/62065

Collision between two graupel particles in a fall tube, Part 1: Central collision Pierre Grzegorczyk, Miklós Szakáll, Alexander Theis, and Subir Mitra https://doi.org/10.5446/62066

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Short summary

Secondary ice production generates high concentrations of ice crystals in clouds. These processes have been poorly understood. We conducted experiments at the wind tunnel laboratory of the Johannes Gutenberg University, Mainz, on graupel–graupel and graupel–snowflake collisions. From these experiments fragment number, size, cross-sectional area, and aspect ratio were determined.