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Bondi–Hoyle accretion

{c}
{title2=$\dot M_{\rm BHL}$}

In the ballistic supersonic limit, streamline collisions bind gas with impact parameter $b<2GM/v_\infty^2$, giving
$$
\dot M_{\rm BHL}=\frac{4\pi G^2M^2\rho_\infty}{v_\infty^3}.
$$

Bondi--Hoyle--Lyttleton accretion rate

Past exam of the mathematics course of the University of Cambridge / 2023 / iii / Paper 347 / 1 / d / Solution

Bondi--Hoyle--Lyttleton accretion rate ( $\dot{M}_{BHL}$ )

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Bondi--Hoyle--Lyttleton accretion rate (M˙BHL​)

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Bondi--Hoyle--Lyttleton accretion rate ( $\dot{M}_{BHL}$ )

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