Question: In this chapter we derive the continuity equation in two ways: by using the divergence theorem and by summing mass flow rates through each face

In this chapter we derive the continuity equation in two ways: by using the divergence theorem and by summing mass flow rates through each face of an infinitesimal control volume. Explain why the former is so much less involved than the latter.

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The continuity equation in fluid dynamics relates the flow of mass in and out of a control volume to the change in mass within that volume over time I... View full answer

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