Wei Tiana
, Mingjun Panga,*, Na Xub,†
Frontiers in Heat and Mass Transfer, Vol.16, pp. 1-12, 2021, DOI:10.5098/hmt.16.13
Abstract Drag reduction (DR) by the additive of mixed surfactant and polymer is investigated in detail in a rotating disk apparatus (RDA). Polyethylene oxide
(PEO) and Cetyltrimethyl ammonium chloride (CTAC)/sodium salicylate (NaSal) are chosen as polymer and surfactant, respectively. It is investigated
on the influence of combination concentration of polymer & surfactant, temperature and Reynolds number on the drag-reducing rate. The present
experimental results show that the drag-reducing rate of the mixed solution is definitely higher than that of the pure PEO or CTAC/NaSal solutions.
This phenomenon is especially sharp at the high temperature and/or the large Reynolds number. When the… More >
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