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Table 4

Boundary flow characteristics and pressure response behavior of Figure 6.

Symbol description Closed & const-pressure, r eD [Θ] < r eD [Ω]
κ[Θ] > κ[Ω] κ[Ω] > κ[Θ]
Model sketch
Diagnostic curve
Response behavior The ④–⑤ is same as the boundary-domain flow of r eD [Ω] & r eD [∞]
The ⑥–⑦ is same as the boundary-domain flow of r eD [Ω] & r eD [Θ]
④Weak CpBF: const slope ④Strong CpBF: const slope
⑤Weak pseudo-CpBF: const slope m ⑤Strong pseudo-CpBF: const slope m
⑥Strong CBF: unit slope ⑥Weak CBF: unit slope
⑦Weak CpBF: const pressure L ⑦Strong CpBF: const pressure L

Notes: “CBF” is Closed Boundary Flow, “IARF” is the Infinite-Acting Radial Flow, and “CpBF” is the Constant-Pressure Boundary Flow. “Strong” indicates the boundary layer is the main-flow layer, and “Weak” indicates the boundary layer is the non-main-flow layer.

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