(a) Extend the control volume analysis used to derive the continuity equation to three-dimensional unsteady flows and show that Eq. (2.2a) can be written as ap a a + (pu) + (pv) + (pw) - 0. ay (P2.1) at a az (b) Deduce from Eq. (P2.1) the mass conservation equations for three-dimen- sional steady or unsteady constant-density flow and for three-dimensional steady, variable-density flows corresponding to Eqs. (2.2b) and (2.2c) for two-dimensional flows. c) Show that Eq. (P2.1) can be rewritten as a transport equation for p, using the three-dimensional version of the d/dt operator defined in Eq. (2.10).
(a) Extend the control volume analysis used to derive the continuity equation to three-dimensional unsteady flows and show that Eq. (2.2a) can be written as ap a a + (pu) + (pv) + (pw) - 0. ay (P2.1) at a az (b) Deduce from Eq. (P2.1) the mass conservation equations for three-dimen- sional steady or unsteady constant-density flow and for three-dimensional steady, variable-density flows corresponding to Eqs. (2.2b) and (2.2c) for two-dimensional flows. c) Show that Eq. (P2.1) can be rewritten as a transport equation for p, using the three-dimensional version of the d/dt operator defined in Eq. (2.10).
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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