Chemical Engineering, Mass Transfer, Transport Phenomena.
Continuity equation As the main continuity equation we have: Eq. 2–1 Eq. 2–2 Now, we get the equation 1–13 as example and substituting 2–2 on it we obtain 2–3: Eq. 2–3 Eq. 2–4 Substituting 2–4 on 2–3 we have 2–5: Eq. 2–5 Now using 2–5 in the continuity equation 2–1: Eq. 2–6 Simplifying: Eq. 2–7 —