Aircraft Automatic Direction Finder (ADF)
An automatic direction finder (ADF) operates off of a ground signal transmitted from a NDB. Early radio direction finders (RDF) used the same principle. A vertically polarized antenna was used…
Aircraft Radio Magnetic Indicator (RMI) and Distance Measuring Equipment (DME)
Radio Magnetic Indicator (RMI) To save space in the instrument panel and to consolidate related information into one easy to use location, the radio magnetic indicator (RMI) has been developed.…
Aircraft VOR Navigation System
One of the oldest and most useful navigational aids is the VOR system. The system was constructed after WWII and is still in use today. It consists of thousands of…
Zeroth Law of Thermodynamics
The "zeroth law" states that if two systems are at the same time in thermal equilibrium with a third system, they are in thermal equilibrium with each other. If A and C…
Types of Pumps on Ship
A ship consists of various types of fluids moving inside different machinery and systems for the purpose of cooling, heating, lubrication, and as fuels. These liquids are circulated by different…
Automatic Backflushing Filters
AUTOMATIC BACKFLUSH FILTER Presenting a latest Innovation in filtration method used onboard for both fuel and lube oil.Used in conjunction with a centrifugal separator as part of a complete lubricating oil system…
Duplex Filters
Advantages of the duplex strainers During normal operations the strengths of the duplex filter is that it can be completely operated maintenance-free, except for checking the seals and cleaning of the…
Filters and Strainers on Ship
For a prolonged safe, trouble free and efficient operation of machinery and system on board ship, it is important that there is proper maintenance, a record of correct parameters and…
Marine fuel oil treatment
Mechanical separation of solid contaminants from oil systems (fuel and lubricating) is achieved by the use of filters and strainers. A strainer is usually a coarse filter to remove the…
V Seals
Barnwell Services stock a full range of V Rings / V Seals designed to be used in many rotary sealing applications. V Rings / V Seals are a relatively low-cost method of sealing and can be used…
