The waves created by a vessel.


Related Terms

HOLLOW-ROD DRILLING

A modification of wash boring in which a check valve is introduced at the bit so that the churning action may be also used to pump the cuttings up the drill rods.

ACID CLEANING

The process of cleaning the interior surfaces of steam-generating units by filling the unit with a dilute acid accompanied by an inhibitor to prevent corrosion and by subsequently draining, washing, and neutralizing the acid by a further wash of alkaline water.

AIR WASHER

1. A device for cooling and cleaning air in which the entering warm, air washer air-water jet moist air is cooled below its dew point by refrigerated water so that although the air leaves close to saturation with water, it has less moisture per unit volume than when it entered. 2. Apparatus to wash particulates and soluble impurities from air by passing the airstream through a liquid bath or spray.

BUTTERWORTH HEAD

A mechanical hose head with revolving nozzles; used to wash down shipboard storage tanks.

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