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"Center-to-side flow. tSide-to-center flow.

"Center-to-side flow. tSide-to-center flow.

Comment. Figure 6.20 predicts that at turndown, neither top nor bottom section will dump. However, both sections will operate close to the dump point, and excessive weeping is likely. This is consistent with the prediction from Fair's weep correlation (above), which indicates that at turndown both sections operate well below the weep point.

Weep fraction calculation. For high-pressure systems (> 165 psia), the Hsieh and McNulty correlation was recommended (Sec. 6.2,12) and will therefore be used here. The Hsieh and McNulty correlation requires a calculation of clear liquid height using Colwell's correlation (Sec. 6.3.5).

Bottom section

_Top section C-S*_S-Cf_Note

First trial

Bottom section

_Top section C-S*_S-Cf_Note

First trial

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