1. Plug flow:
1. regions of occurrence: in horizontal flow, 2.3.2-2 - 2.3.2-4
1. in inclined tubes, 2.3.2-4 - 2.3.2-5
2. in systems with phase change, 2.3.2-6 - 2.3.2-7
3. in vertical flow, 2.3.2-1 - 2.3.2-2
2. in vertical channels, 2.3.2-19
1. bubble rise velocity in, 2.3.2-19
2. Plug flow model, for furnaces, 3.11.5-1 - 3.11.5-2