how does grag reducing agent(flow improver)work?, China how does grag reducing agent(flow improver)work? manufacturer and supplier - CHINAFLOC

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how does grag reducing agent(flow improver)work?
Drag reducers, also known as drag reducing agents (DRA) and flow improvers, are any material that reduces frictional pressure loss during fluid flow in a conduit or pipeline. Pressure loss reduction is achieved by reducing the level of turbulent motion in the flow. Using DRA allows increased flow using the same amount of energy or decreased pressure drop for the same flow rate of fluid in pipelines. The current class of DRA, consisting of long-chain hydrocarbon polymers that act as turbulence inhibitors along the pipe wall to decrease the amount of energy lost in turbulent activity.