Which fouling factors are suggested for the selection of Shell & Tube Heat Exchangers?
The fouling factor is important for the selection of an evaporator.
The values suggested to input in selection software are:
For evaporators:
– Normal water in closed circuit: 0,000043 m2K/W;
– Water in open circuit: 0,000086 m2K/W;
– Solutions with glycol <40%: 0,000086 m2K/W;
– Solutions with glycol >40%: 0,000172 m2K/W.
For condensers:
– Normal city water: 0,000043 m2K/W;
– Treated tower water: 0,000043 m2K/W;
– River water: 0,000086 m2K/W;
– Solutions with glycol <40%: 0,000086 m2K/W;
– Solutions with glycol >40%: 0,000172 m2K/W.
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