Direct numerical simulation of sublimating ice particles

Reitzle, Martin; Ruberto, S.; Stierle, Rolf; Groß, Joachim; Janzen, Tatjana

doi:10.1016/j.ijthermalsci.2019.05.009

Cited by 11 publications

(13 citation statements)

References 40 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Main focus from the numerical side is put on the three types of phase change: solidification, sublimation, and evaporation. The introduced new developed methods and approaches are based on works of Reitzle et al [44,45] (solidification and sublimation) as well as Reutzsch et al [49] (evaporation).…”

Section: Methodsmentioning

confidence: 99%

“…The continuous phase is synonymous considered to the gaseous phase ( gp ) for sublimation and evaporation, and to the liquid phase for solidification. For sublimation and evaporation, the gaseous phase can be split further into inert gas ( g ) and vapour ( v ) and the interface velocity can be derived from the mass source (see [45]) as…”

Section: Conservation Equationsmentioning

confidence: 99%

“…Note that in order to evaluate the term ∇ X v • n information about the condition at the interface need to be known. For sublimation processes, an expression for the solidgaseous equilibrium was derived [43,45], whereas for evaporation the saturation condition for the pure substance was used. The momentum jump condition simplifies to the well-known Young-Laplace equation…”

Section: Conservation Equationsmentioning

confidence: 99%

“…In contrast to evaporation or freezing, numerical studies regarding sublimation are rare in literature. Besides large-scale investigations [30,64] for geophysical models only a few small-scale approaches exist [27,45,70].…”

Section: Introductionmentioning

confidence: 99%

See 3 more Smart Citations

Investigation of the Behaviour of Supercooled Droplets Concerning Evaporation, Sublimation and Freezing Under Different Boundary Conditions

Reutzsch

Kunberger

Reitzle

et al. 2022

Fluid Mechanics and Its Applications

View full text Add to dashboard Cite

Phase change processes of supercooled droplets at different boundary conditions are presented. This study is a summary of the current developments within subproject B1 of the SFB-TRR 75 with the focus on evaporation, sublimation, and freezing of supercooled droplets. To this end, new numerical methods to describe the phase transition were developed and novel strategies dealing with the challenges of droplets under extreme conditions are presented. The numerical solution procedure of all phase changes are summarized in a compact way within this work. In order to validate the numerical models, experiments were conducted. For this, new experimental setups and approaches were developed. These comprise a test chamber for optical levitation of supercooled droplets, which is able to trap a droplet by means of a laser beam at subzero temperatures and variable ambient humidity. Comparisons of the numerical simulations and the conducted experiments are presented for several phase change processes. The results are in very good agreement and proof the capability of the methods.

show abstract

Section: Methodsmentioning

confidence: 99%

Section: Conservation Equationsmentioning

confidence: 99%

Section: Conservation Equationsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Investigation of the Behaviour of Supercooled Droplets Concerning Evaporation, Sublimation and Freezing Under Different Boundary Conditions

Reutzsch

Kunberger

Reitzle

et al. 2022

Fluid Mechanics and Its Applications

View full text Add to dashboard Cite

show abstract

“…On the one hand, physically consistent numerical models, capable of calculating all three phase transitions, were developed [43,45]. On the other hand, the numerical work within the program FS3D was validated and compared with different experimental results [44,47]. In an optical levitator, the dynamics of supercooled water droplets was investigated by light scattering and shadowgraphy methods for ambient conditions corresponding to temperatures appearing in clouds at high altitudes.…”

Section: Phase Transition Of Supercooled Dropletsmentioning

confidence: 99%

Collaborative Research on Droplet Dynamics Under Extreme Ambient Conditions

Schulte

Dreizler

Munz

et al. 2022

Fluid Mechanics and Its Applications

View full text Add to dashboard Cite

A fundamental understanding of droplet dynamics is important for the prediction and optimization of technical systems involving drops and sprays. The Collaborative Research Center (CRC) SFB-TRR 75 was established in January 2010 to focus on the dynamics of basic drop processes, and in particular on processes involving extreme ambient conditions, for example near thermodynamic critical conditions, at very low temperatures, under the influence of strong electric fields, or in situations involving extreme gradients of the boundary conditions. The goal of the CRC was to gain a profound physical understanding of the essential processes, which is the basis for new analytical and numerical descriptions as well as for improved predictive capabilities. This joint initiative involved scientists at the University of Stuttgart, the TU Darmstadt, the TU Berlin, and the German Aerospace Center (DLR) in Lampoldshausen. This first chapter provides a brief overview of the overall structure of this CRC as well as a summary of some selected scientific achievements of the subprojects involved. For further details the reader is referred to the subsequent chapters of this book related to the individual subprojects.

show abstract

Numerical Simulation for Drop Impact on Textured Surfaces

Baggio

2020

Fluid Mechanics and Its Applications

View full text Add to dashboard Cite

Direct numerical simulation of sublimating ice particles

Cited by 11 publications

References 40 publications

Investigation of the Behaviour of Supercooled Droplets Concerning Evaporation, Sublimation and Freezing Under Different Boundary Conditions

Investigation of the Behaviour of Supercooled Droplets Concerning Evaporation, Sublimation and Freezing Under Different Boundary Conditions

Collaborative Research on Droplet Dynamics Under Extreme Ambient Conditions

Numerical Simulation for Drop Impact on Textured Surfaces

Contact Info

Product

Resources

About