Frazil Ice Control Using Electromechanical Cibrators and Ice-Resistant Coatings

by Y. G. Mussalli, Stone & Webster Engineering, Corp, Boston, MA, USA,
L. S. Gordon, Stone & Webster Engineering, Corp, Boston, MA, USA,
S. F. Daly, Stone & Webster Engineering, Corp, Boston, MA, USA,

Document Type: Proceeding Paper

Part of: Water Power '87


Two methods, using electromechanical vibrators and ice-resistant coatings, were studied in a small-scale test conducted at the U. S. Army Cold Regions Research and Engineering Laboratory (USACRREL). Two series of tests were carried out: the first series evaluated the performance of coated vs. uncoated test racks, and the second involved subjecting coated and uncoated racks to various levels and modes of vibration to determine the effectiveness of such a method for controlling frazil-ice accumulation. The tests demonstrated that coatings would retard frazil ice accumulation, but would not by themselves solve the blockage problem. This paper discusses electromechanical vibrators and ice-resistant coatings as means to control frazil ice and presents results of the laboratory test program at USACRREL.

Subject Headings: Ice | Coating | Vibration | Laboratory tests | Hydro power | Power plants | Thermal power | Water intakes

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