Open Access
Table F.1
Table of the physical quantities and abbreviations utilized in this paper.
quantity | description | quantity | description |
---|---|---|---|
{â1, â2, â3} | basis of the aggregate (target-frame) | Ndes | number of desorbing gas particles |
aeff | effective radius of the aggregate | N1 | number of gas particles leaving the surface |
amean | mean monomer radius | Nmon | total number of monomers |
amon,i | i-th monomer radius | 𝒫 | porosity of the aggregate |
aout | outer radius of the aggregate | P∆s(ϑ) | angular distribution of gas trajectories |
B | magnetic field strength | φ | azimuthal angle of the lab-frame |
Bλ (Td) | Planck’s law | ϕ | precession angle around B |
β | grain rotation angle around â1 | Φ | precession angle around â1 |
χ | magnetic susceptibility | ψ | alignment angle between ∆s and B |
Df | fractal dimension | Qabs(λ) | absorption efficiency |
dA | infinitesimal surface element | Qcoll | gas collision torque efficiency |
δm | ratio of gas drag time to paramagnetic time | Qdes | gas desorption torque efficiency |
∆s | dimensionless gas-dust drift velocity | Qdrag | total drag torque efficiency |
∆tint | intersection timescale | Qgas | gas drag torque efficiency |
∆υ | gas-dust drift velocity | Qmech | total MET efficiency |
dΩ | infinitesimal element of the solid angle | Qsca | gas scattering torque efficiency |
{ê1, ê2, ê3} | basis of the gas properties (lab-frame) | r | distance from the center of mass |
Eb | binding energy between monomers | ![]() |
normalized surface gas impact position |
fIR(Td) | IR damping factor | ρdust | mass density of the dust material |
fvel(s, ∆s) | gas velocity distribution | R | Rayleigh Reduction Factor |
Γcoll | gas collision torque | Rc | critical aggregate radius |
Γdes | gas desorption torque | Rgyr | radius of gyration |
Γdrag | total drag torque | Rint | rate if interaction |
ΓDG | paramagnetic torque | σmon | standard deviation of the monomer size |
Γgas | gas drag torque | 𝒮max | maximal tensile strength of the aggregate |
ΓIR | IR drag torque | τDG | paramagnetic dissipation timescale |
Γmech | total MET | τdrag | total drag timescale |
Γsca | gas scattering torque | τgas | gas drag timescale |
h | overlap between monomers | τIR | IR drag timescale |
![]() |
moments of inertia along the target-frame | T | total simulation time |
J | angular momentum of the aggregate | Td | dust temperature |
Jdisr | critical angular momentum of disruption | Tg | gas temperature |
Jth | thermal angular momentum | Θ | alignmentangle between ê1 and â1 |
kB | Boltzmann constant | ϑ | polar angle of the lab-frame |
kf | scaling factor of the aggregate | Vagg | total volume of the dust aggregate |
K | scaling factor of the susceptibility | υd | arbitrary dust velocity |
λ | wavelength | 〈υdes〉 | gas desorption velocity |
mg | gas particle mass | υg | arbitrary dust velocity |
μ0 | vacuum permeability | υth | peak gas velocity |
ng | gas number density | 〈υth〉 | average gas velocity |
Natt | number of attractor points | υg | arbitrary gas velocity |
〈Ncon〉 | average number of monomer connections | wi | weight of an attractor point |
![]() |
surface normal at the gas impact position | ξ | angle between â1 and B |
Ncoll | number of colliding gas particles | Xi | monomer position |
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