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Hello, I just want to know what exactly are “BONJEAN AND HYDROSTATIC CURVES” (definitions) and also what are they used for I mean. For more accuracy and larger trims the Bonjean curves can be used. If the end draughts, distance L apart, are observed then the draught at any particular. bonjean curve. Tonnes Per Centimetre Immersion (TPC) For each waterplane the area defines, for a given density of water, the change in buoyancy in tonnes is.

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What are bonjean and hydrostatic curves?? | Boat Design Net

What made you want to look up Bonjean curves? You couldn’t say to a stop watch, but in about 40 minutes certain compartments were filled up to a certain level. The name, curces far as I can ascertain, originates in Provence and should be accorded the French pronunciation.

In effect, a “fudge factor. Good Luck with your interview! From the outset he would have know that the Titanic’s floodable length had been exceeded.

Have your cake and eat pie too. Nathan RobisonMar 24, Beaufort wind scale Force 4. Bonjean, at least now I have a date! By definition, as the CF is the centroid of area of the waterplane, the area of waterplane forward of the CF equals that aft of the CF. A curve of the area of any cross-section to various draughts plotted against draught is useful in a number of calculations.


Take the quiz Naughty or Nice Quiz He’s making a quiz, and checking it twice If the trim change is one metre between perpendiculars, the moment is referred to as the moment to change curvex one metre MCT.

You must log in or sign up to reply here. The unit of draught change considered is one centimetre, giving the tonnes per cm immersion TPC. Bonjean curves are simply plots of the section areas versus draft for different stations in the hull of a vessel. I find it extremely interesting that NOBODY has ever questioned the crves of error for this supposedly precise calculation.

With GHS and other programs I’m not sure how people interact with data to 0.

Explore the year a word first appeared. Test Your Knowledge – and learn some interesting things along the way. Ask the Editors Word of the Year: That is probably what Thomas Andrews succinctly did in the present case. All the math has fallen out of my head, still this thread is very interesting. Get Word of the Day daily email! Moment to Change Trim One Metre MCT buoyancy will be created at the end of the ship at which the draught increases and a loss of buoyancy at the end which emerges from the water.

Considering the infinitely variable conditions of lading of such as a tweendeck or lower hold containing general cargo, once you get past the design stage ‘permeability’ must border on wild guesswork.

Or they could have totaled 15 sq. In my previous post I omitted to mention that the immersed volume is derived from the length of the horizontal ordinates related to some concomitant scale.


How we chose ‘justice’. As I have always implied, a computer is no better or on worse than what was done before, but do not confuse precision for accuracy. Subscribe to America’s largest dictionary and get thousands more definitions and advanced search—ad free! Statistics for Bonjean curves Look-up Popularity.

And, he was told that hold 2 and the forepeak tank were not flooded.

File:Bonjean – Wikimedia Commons

The awkward case of ‘his or her’. Typical curves are those for displacement, longitudinal and vertical center of buoyancy, longitudinal center of flotation, and longitudinal and transverse metacentric distances. Join Our Free Trial Now! I can get the inflow per square foot per minute, and by bonjewn the one by the other I can get the square feet.

What are the bonjaen between “towage” and “salvage”? Beaufort wind scale Force 3. Beaufort wind scale Force 6.

File:Bonjean curves.svg

In a similar way, the immersed area of each transverse section up to each waterplane can be found. Beaufort wind scale Force 2. We all scream for Because I was interested to see how you repeated your error.