Application of a drag reducing surfactant in the heating circuit


There has been much research lately on the use of drag reducing surfactants, since their use in heating systems is a promising method of increasing the economic viability of the systems.  Surfactants are added to heating systems to decrease the flow resistance in tubes and therefore save energy. The experience from an application of a zwitterionic drag reducing surfactant in a hydronic heating system of a small house is presented, and difficulties which can threaten a well established heating system when a drag reducing agent is used are described. 7 refs.

Primary author(s): Myska J; Mik V

Source:  Energy Build.


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