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Table 1.
Material properties employed to model a Draconid meteoroid.
| Material property | Symbol | Value | Unit | References |
|---|---|---|---|---|
| Grain density | ρGrains | 3000 | kg m−3 | Borovička et al. (2007) (1) |
| Young modulus | E | 54 ⋅ 109 | Pa | Ringl & Urbassek (2012) (2) |
| Poisson ratio | ν | 0.17 | Ringl & Urbassek (2012) (2) | |
| Surface tension | γ | 0.014 | J m−2 | Heim et al. (1999) (3) |
| Critical rolling displacement | ξyield | 32 ⋅ 10−10 | m | Heim et al. (1999) (3) |
| Specific heat capacity | cp | 1000 | J kg−1 K−1 | Campbell-Brown & Koschny (2004) (4) |
| Conductivity | k | 3 | W m−1 K−1 | Campbell-Brown & Koschny (2004) (4) |
| Boiling temperature | TB | 2100 | K | Campbell-Brown & Koschny (2004) (4) |
| Condensation coefficient | ψ | 0.5 | Campbell-Brown & Koschny (2004) (4) | |
| Average atomic mass | μ | 23 | a.u. | Campbell-Brown & Koschny (2004) (4) |
| Specific heat of ablation | L | 3.5 ⋅ 106 | J kg−1 | Campbell-Brown & Koschny (2004) (4) |
| Emissivity | ϵ | 1 |
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