Mineral Fouling Control by Underwater Plasma Discharge in a Heat Exchanger

被引：1

作者：

Yang, Yong ^{[1
]}

Kim, Hyoungsup ^{[1
]}

Fridman, Alexander ^{[1
]}

Cho, Young I. ^{[1
]}

机构：

[1] Drexel Univ, Dept Mech Engn & Mech, Philadelphia, PA 19104 USA

来源：

JOURNAL OF HEAT TRANSFER-TRANSACTIONS OF THE ASME | 2011年 / 133卷 / 05期

关键词：

physical water treatment; plasma; heat exchanger; mineral fouling;

D O I：

10.1115/1.4003116

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

The excessive mineral contents in water circulation systems could cause severe fouling in heat transfer equipment. The present study investigated the effect of underwater pulsed spark discharges on the mitigation of mineral fouling in a concentric counterflow heat exchanger. Artificial hard water with calcium carbonate hardness of 250 mg/L was used with velocity ranging from 0.1 m/s to 0.5 m/s and zero blowdown. Fouling resistances decreased by 50-72% for the plasma treated cases compared with the values for no-treatment cases, indicating that the pulsed spark discharge could significantly mitigate the mineral fouling on the heat exchanger surface. [DOI: 10.1115/1.4003116]

引用

页数：4

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