see Devil

A thick serge jacket worn by seamen while keeping watch at night or in stormy weather.

Is the total gas pressure (static plus velocity) at the discharge port of the compressor. Velocity pressure is considered only with dynamic compressors.

A sea running in a direction contrary to the wind, which can be confused and dangerous.

The compartment at the bow of the vessel

Are lines that supply equipment from sub headers.

The pressure at which a pressure operated valve begins to pass a gas.

The interaction between the stages of a centrifugal compressor. When a multi-stage compressor is designed, each stage can operate at only one point its characteristic curve. The point is determine by the design conditions of temperature, flow and pressur ...

The headings of a sailboat in relation to the wind, i.e., upwind, close reach, reach, broad reach, downwind.

The meridian from which longitude is measured eastwards or westwards. The longitude of the prime meridian, passing through Greenwich, England, is 0

Also rubbing strake or rub strake. An applied or thickened member at the rail, running the length of the boat; serves to protect the hull when alongside a pier or another boat.

The short aftermost raised deck of a vessel.

A term applied to the gas found on the high pressure side of the refrigeration system.

Sufficient movement through the water to allow the boat to be controlled and steered by the rudder.

Tools that operate by air pressure.

A storage tank where sewage is stored until it can be removed to a treatment facility.

Said of a vessel that is firm, strong, and unlikely to develop leaks.

Specialty compressed air treatment meeting OSHA Grade D breathing air requirements.

The difference between the diameter of a shaft rod, etc., and that of the hole in which it works.

The total pressure minus the static pressure in an air or gas stream.