TY - JOUR
T1 - Impact of an ice particle onto a rigid substrate
T2 - Statistical analysis of the fragment size distribution
AU - Lausch, M.
AU - Reitter, L.M.
AU - Schremb, M.
AU - Hussong, J.
N1 - Funding Information:
>[Formula presented], This project has received funding from the European Union's Horizon 2020 research and innovation programme under grant agreement No 767560. Part of this work was funded by the Hessian Ministry of Higher Education, Research, Science and the Arts - cluster project Clean Circles.
Funding Information:
This project has received funding from the European Union’s Horizon 2020 research and innovation programme under grant agreement No 767560 . Part of this work was funded by the Hessian Ministry of Higher Education, Research, Science and the Arts - cluster project Clean Circles .
Publisher Copyright:
© 2023 Elsevier Ltd
PY - 2023/11
Y1 - 2023/11
N2 - In the present work, the distribution of fragments that result from a normal impact of a temperature-controlled ice particle onto a dry, heated and rigid wall is investigated. For the first time, both particle and wall temperature are varied systematically, extending fundamentally the understanding of their role on the fragmentation outcome. Ice particle impact is examined for varying impact velocity, particle diameter, and particle and target temperature, and the impact and fragmentation process is captured using a high-speed video system. Individual fragment volumes are estimated using an in-house Kalman-filter algorithm. A maximum-likelihood estimation for a double-truncated power-law fit of the fragment volume distribution yields a characteristic value for the power-law exponent Ψ. A statistical method based on Monte Carlo simulations is carried out to determine the optimal truncation points. An analysis of variance allows the conclusion that for the range of studied parameters, only the effect of the impact velocity on the fragment distribution exponent Ψ is significant. Accordingly, the particle diameter, its temperature and the temperature of the target have been found to be without an effect on Ψ. In addition to the quantitative analysis, the present work contributes to a better understanding of the mechanisms controlling ice crystal icing also based on phenomenological observations of the impact process.
AB - In the present work, the distribution of fragments that result from a normal impact of a temperature-controlled ice particle onto a dry, heated and rigid wall is investigated. For the first time, both particle and wall temperature are varied systematically, extending fundamentally the understanding of their role on the fragmentation outcome. Ice particle impact is examined for varying impact velocity, particle diameter, and particle and target temperature, and the impact and fragmentation process is captured using a high-speed video system. Individual fragment volumes are estimated using an in-house Kalman-filter algorithm. A maximum-likelihood estimation for a double-truncated power-law fit of the fragment volume distribution yields a characteristic value for the power-law exponent Ψ. A statistical method based on Monte Carlo simulations is carried out to determine the optimal truncation points. An analysis of variance allows the conclusion that for the range of studied parameters, only the effect of the impact velocity on the fragment distribution exponent Ψ is significant. Accordingly, the particle diameter, its temperature and the temperature of the target have been found to be without an effect on Ψ. In addition to the quantitative analysis, the present work contributes to a better understanding of the mechanisms controlling ice crystal icing also based on phenomenological observations of the impact process.
KW - Fragment size distribution
KW - Ice crystal icing
KW - Ice particle impact
KW - Particle crushing
KW - Particle fragmentation
UR - http://www.scopus.com/inward/record.url?scp=85169914978&partnerID=8YFLogxK
U2 - 10.1016/j.ijimpeng.2023.104732
DO - 10.1016/j.ijimpeng.2023.104732
M3 - Article
AN - SCOPUS:85169914978
SN - 0734-743X
VL - 181
SP - 1
EP - 17
JO - International journal of impact engineering
JF - International journal of impact engineering
M1 - 104732
ER -