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A polar diagram, or polar plot, is a graph that shows a sailboat's potential speed over a range of wind speeds and relative wind angles. [1] It normally consists of the right side of a line chart with the radius representing the yacht speed and the angle representing the wind direction blowing from top to bottom.
Spars are permanently anchored to the seabed by a spread mooring system composed of either a chain-wire-chain or chain-polyester-chain configuration. [2] The cylinder comprises a number of tanks; the lowest contains ballast, mid-water and/or extracted oil, the upper, air for buoyancy. [ 3 ]
A tension-leg platform (gray) under tow with seabed anchors (light gray) held up by cables (red) on left-hand side; platform with seabed anchors lowered and cables lightly tensioned on right-hand side Tension leg platform (gray) free floating on left-hand side; structure is pulled by the tensioned cables (red) down towards the seabed anchors (light-gray) on right-hand side (very simplified ...
LibreOffice Calc is the spreadsheet component of the LibreOffice software package. [6] [7]After forking from OpenOffice.org in 2010, LibreOffice Calc underwent a massive re-work of external reference handling to fix many defects in formula calculations involving external references, and to boost data caching performance, especially when referencing large data ranges.
This allows operations at sea where mooring or anchoring is not feasible due to deep water, congestion on the sea bottom (pipelines, templates) or other problems. Dynamic positioning may either be absolute in that the position is locked to a fixed point over the bottom, or relative to a moving object like another ship or an underwater vehicle.
A polar diagram could refer to: Polar area diagram, a type of pie chart; Radiation pattern, in antenna theory; A diagram based on polar coordinates; Spherical coordinate system, the three-dimensional form of a polar response curve; In sailing, a Polar diagram is a graph that shows a sailing boats potential wind speed over a range of wind and ...
The following is a list of berth types based on the method of construction: [1] Solid structure berth In these berths, a solid vertical structure is created to contain fill material which is brought all the way to the structure.
The properties of chain, versus wire, mooring lines have been investigated, with chain mooring lines causing reductions in anchor capacity of up to 70%. [6] Thus, where appropriate and cost-efficient, wire mooring lines should be used. The embedded section of a mooring line contributes to the anchor's holding capacity against horizontal movement.