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Evolution of Dust in Turbulent Protoplanetary Disks

Protoplanetary disks (PPDs) are the birthplace of planets like our Earth. In recent years hundreds of planetary systems have been detected, where some planets appear to be in the habitable zone and show best conditions to retain w... ver más

01/03/2017

QMUL

300K€

Presupuesto del proyecto: 300K€

Líder del proyecto

QUEEN MARY UNIVERSITY OF LONDON No se ha especificado una descripción o un objeto social para esta compañía.

TRL 4-5

Fecha límite participación Sin fecha límite de participación.

Financiación concedida El organismo FP7 notifico la concesión del proyecto el día 2017-03-01 No tenemos la información de la convocatoria

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Líder del proyecto

QUEEN MARY UNIVERSITY OF LONDON No se ha especificado una descripción o un objeto social para esta compañía.

TRL 4-5

Presupuesto del proyecto 300K€

Fecha límite de participación Sin fecha límite de participación.

Descripción del proyecto Protoplanetary disks (PPDs) are the birthplace of planets like our Earth. In recent years hundreds of planetary systems have been detected, where some planets appear to be in the habitable zone and show best conditions to retain water, a prerequisite for life. So far the formation of planets and planetary systems is not totally understood. It is known that planet formation takes place in PPDs and that dust particles are the basic modules for planet construction. With the growth of dust grains, which have their origin in the interstellar medium, planet formation starts. To study these first steps of dust growth, which are closely coupled to the dynamics in the disk, is therefore of relevance to understanding planet formation and the origin of life. Studying the dynamical effects of dust in PPDs is so far based on simple dust models, which fail in many aspects to explain observations and planet formation. The need to include a realistic dust model is expressed in many studies. In collaboration with researchers at Queen Mary University, I have developed a science program which together will allow us to address the key questions of the influence of the dust properties on the spatial distribution, the dust evolution and on the planet formation processes in turbulent PPDs. In the interstellar medium, single dust grains are of core-mantle composition which coagulate into aggregates in dense regions. Implemented in PPDs, these aggregates undergo evolutionary processes which are influenced by turbulence in the disks. In PPDs, ionised gas is magneto-hydrodynamic turbulent due to magneto-rotational instabilities. The gas drag affects the dynamical behaviour of dust which is strongly dependent on the grain properties. The results of my model calculations which consider realistic aggregate dust particles in a realistic PPD environment are anticipated to be key for understanding the dust evolution and the early processes of planet formation.

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