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3 Ιαν 2021 · The easiest and handiest tool for analysing a surface ship’s stability, is by graphs or curves. In fact, a ship designer or an officer on-board should be able to know the stability characteristics of a ship just by looking at the curves.
Cross curves of stability (Stability curves) For every ship or barge the results of the values of KNsinq as function of the displacement, can be given in table or graph form. Lateral curves of stability are referred to in a graph. These values play an important role in determining GZ.
5 Ιουν 2020 · Chapter 11- Stability Calculation. Updated: Jun 5, 2020. 1. On a ship of W 5000t , GM 0.3m, 20t was shifted transversely by 5m. Find the list. Solution: W = 5000t, GM = 0.3m, Weight shifted (w) = 20t & d= 5m. Listing moment = (20 x 5 ) = 100tm Tanθ = ( Listing Moment) / (W x GM) = 100/ (5000 x 0.3) = 3.8 degree. 2.
In Chapter 4 we will study five areas: The concept of a ship’s Righting Moment (RM), the chief measure of stability. KG and TCG changes and their effects on RM. How Stability is effected by Damage to the Hull using the “Added Weight” method. Effects of a “Free Surface”. Effects of Negative GM on ship stability.
The figure below shows the ascending segment of a statical stability curve. The ascending portion of most curves features a point of inflection, in which the upward-concave curve becomes downward -concave. The angle at which this occurs is known as . A) Angle of vanishing stability. B) Angle of loll. C) Deck edge immersion angle. D) Down ...
5 Απρ 2021 · The concept of hydrostatics and stability can be deemed as one of the most important areas of focus in ship design and operation, not only to ensure the safety of the ship, cargo, crew and passengers but also to enable proper conditions for completion of all the processes on a ship.
