Reduction of friction losses in district heating pipelines [Elektronski vir]
Krope, Andrej ; Krope, Jurij ; Tičar, Igor
In this paper we present the impact of cationic surfactant additives on the reduction of turbulence intensity in hot water pipelines of district heating systems. Already using small amounts of ...cationic surfactants in district heating water the friction losses in pipelines can be reduced significantly. Due to this effect the pressure drops are decreased leading to reductions of pump energy, pumping costs, costs of gas for heating the supply water, heat losses and to the increase of heat capacity. New district heating networks canbe designed with smaller pipe diameters and so investment costs can be reduced significantly by applying friction reducing additives.
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