Lock Wall Deicing with Water Jets PDF Download
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Author:
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ISBN:
Category : Hydraulic structures
Languages : en
Pages : 24
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Book Description
Author:
Publisher:
ISBN:
Category : Hydraulic structures
Languages : en
Pages : 24
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Book Description
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 19
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Book Description
Tests were made to evaluate a proposed technique for removing ice from lock walls during winter navigation. The technique involves use of a high-pressure water jet to slice through ice collars that adhere to vertical walls. The test equipment consisted of: (1) A jet lance tipped with a nozzle designed to produce a long coherent jet; (2) A small tractor (hydraulically driven) to carry the lance; and (3) A high-pressure pump unit to supply water to the lance. Tests were made with operating pressures from 3,000 to 14,000 lbf/sq in. and nozzle diameters from 0.063 to 0.152 in. Most of the work involved pressures around 9,000 lbf/sq in. and nozzle diameters of approximately 0.09 in. Traverse speeds were in the range 3 to 17 ft/min. Jet penetrations of up to 4 ft. were achieved in a single pass, and the equipment proved capable of cleaning the lock wall under the prevailing conditions. However, performance was somewhat less favorable than had been predicted, and a revised scheme involving changes in lock operating procedures was proposed. (Author).
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 19
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Book Description
Tests were made to evaluate a proposed technique for removing ice from lock walls during winter navigation. The technique involves use of a high-pressure water jet to slice through ice collars that adhere to vertical walls. The test equipment consisted of: (1) A jet lance tipped with a nozzle designed to produce a long coherent jet; (2) A small tractor (hydraulically driven) to carry the lance; and (3) A high-pressure pump unit to supply water to the lance. Tests were made with operating pressures from 3,000 to 14,000 lbf/sq in. and nozzle diameters from 0.063 to 0.152 in. Most of the work involved pressures around 9,000 lbf/sq in. and nozzle diameters of approximately 0.09 in. Traverse speeds were in the range 3 to 17 ft/min. Jet penetrations of up to 4 ft. were achieved in a single pass, and the equipment proved capable of cleaning the lock wall under the prevailing conditions. However, performance was somewhat less favorable than had been predicted, and a revised scheme involving changes in lock operating procedures was proposed. (Author).
Author: Cold Regions Research and Engineering Laboratory (U.S.)
Publisher:
ISBN:
Category : Frozen ground
Languages : en
Pages : 28
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Author:
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ISBN:
Category : Hydrology
Languages : en
Pages :
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Author:
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ISBN:
Category : Government publications
Languages : en
Pages : 1194
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Author:
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ISBN:
Category : Science
Languages : en
Pages : 1232
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Author:
Publisher:
ISBN:
Category : Hydrology
Languages : en
Pages : 758
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Author:
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ISBN:
Category : Ice
Languages : en
Pages : 594
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Author:
Publisher:
ISBN:
Category : Hydrology
Languages : en
Pages : 364
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