Table 1 Classification scheme for inlet Type and stability conditions (Reproduced from Duong et al.13, all rights reserved).
Inlet Type | r = P/M | Bruun classification |
---|---|---|
Type 1 | > 150 | Good |
100–150 | Fair | |
50–100 | Fair to Poor | |
20–50 | Poor | |
Type 2 | 10–20 | Unstable (open and migrating) |
Type 2/3 | 5–10 | Unstable (migrating or intermittently closing) |
Type 3 | 0–5 | Unstable (intermittently closing) |