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Beschreibung
How planets form is one of the long-standing questions in astrophysics. In particular, formation scenarios of planetesimals which are kilometer-sized bodies and a precursor of planets are still unclear and under debate although some promising mechanisms have been proposed.
This book highlight disk instabilities that have the potential to explain the origin of planetesimals. Using linear analyses and numerical simulations, it addresses how a disk evolves through the development of instabilities, and also presents a new instability driven by dust coagulation. As a result, the simulation demonstrates a scenario of planetesimal formation: A successive development of multiple instabilities triggers planetesimal formation in resulting dusty rings.
This book highlight disk instabilities that have the potential to explain the origin of planetesimals. Using linear analyses and numerical simulations, it addresses how a disk evolves through the development of instabilities, and also presents a new instability driven by dust coagulation. As a result, the simulation demonstrates a scenario of planetesimal formation: A successive development of multiple instabilities triggers planetesimal formation in resulting dusty rings.
How planets form is one of the long-standing questions in astrophysics. In particular, formation scenarios of planetesimals which are kilometer-sized bodies and a precursor of planets are still unclear and under debate although some promising mechanisms have been proposed.
This book highlight disk instabilities that have the potential to explain the origin of planetesimals. Using linear analyses and numerical simulations, it addresses how a disk evolves through the development of instabilities, and also presents a new instability driven by dust coagulation. As a result, the simulation demonstrates a scenario of planetesimal formation: A successive development of multiple instabilities triggers planetesimal formation in resulting dusty rings.
This book highlight disk instabilities that have the potential to explain the origin of planetesimals. Using linear analyses and numerical simulations, it addresses how a disk evolves through the development of instabilities, and also presents a new instability driven by dust coagulation. As a result, the simulation demonstrates a scenario of planetesimal formation: A successive development of multiple instabilities triggers planetesimal formation in resulting dusty rings.
Über den Autor
Ryosuke Tominaga is a Special Postdoctoral Researcher (SPDR fellow) at RIKEN. He received his doctoral degree in Science from Nagoya University in 2021. He was supervised by Prof. Shuichiro Inutsuka, and collaborates with Dr. Sanemichi Z. Takahashi and Dr. Hiroshi Kobayashi. He has been working on dust-gas instabilities in protoplanetary disks to understand how disk substructures form and how planetesimals form from sub-micron dust grains. His research is primarily concerned with numerical simulations and linear analyses.
Zusammenfassung
Highlights new instability triggered by dust-gas friction and turbulent viscosity
Presents a new instability driven by dust coagulation in protoplanetary disks
Offers a planetesimal formation scenario based on a successive development of dust-gas instabilities
Inhaltsverzeichnis
Introduction.- Revision of Macroscopic Equations for Dust Diffusion.- Numerical Simulations of Secular Instabilities.- Coagulation Instability in Protoplanetary Disks.- Summary and Future Prospects.
Details
| Erscheinungsjahr: | 2023 |
|---|---|
| Fachbereich: | Astronomie |
| Genre: | Importe, Physik |
| Rubrik: | Naturwissenschaften & Technik |
| Medium: | Taschenbuch |
| Reihe: | Springer Theses |
| Inhalt: |
xii
116 S. 6 s/w Illustr. 36 farbige Illustr. 116 p. 42 illus. 36 illus. in color. |
| ISBN-13: | 9789811917677 |
| ISBN-10: | 9811917671 |
| Sprache: | Englisch |
| Einband: | Kartoniert / Broschiert |
| Autor: | Tominaga, Ryosuke |
| Hersteller: |
Springer
Springer Singapore Springer Theses |
| Verantwortliche Person für die EU: | Springer Verlag GmbH, Tiergartenstr. 17, D-69121 Heidelberg, juergen.hartmann@springer.com |
| Maße: | 235 x 155 x 8 mm |
| Von/Mit: | Ryosuke Tominaga |
| Erscheinungsdatum: | 27.04.2023 |
| Gewicht: | 0,207 kg |