CN101712369A - Water-swallow ship form - Google Patents

Abstract

The invention relates to a technique for a 'water-swallow ship form' design, which belongs to the field of shipbuilding, and is suitable for manufacturing ships of which the prows have certain draughts during advancing, but is not suitable for manufacturing the ships of which the prows have shallow draughts during advancing, such as speed boats, small-sized yachts, wooden boats and the like. The 'water-swallow ship form' design is an effective method for reducing the water resistance for a boat during advancing. The basic principle of the 'water-swallow ship form' design is that the inner part below a draught part of a ship is designed and manufactured with a water flow pipeline with a larger front part and a smaller rear part, and a water flow accelerator is arranged in the pipeline. Thus, when the ship moves forwards, a part of water in front of the prow is smoothly swallowed into the water flow pipeline, and the water is accelerated by the water flow accelerator and flows backwards. The water flow is accelerated for one time even more times and is finally spurted out at a high speed from an outlet of the water flow pipeline below the stern. Therefore, the swallowed water not only reduces the resistance to the ship during advancing, but also plays a role in driving the ship forwards and becomes the main power for driving the ship to move forwards. Although the water flow pipeline occupies certain space in the lower part inside the ship, the ship obtains the power for moving forwards and accelerates the advancing speed of the ship while reducing the water resistance. Obviously, the advantages far outweigh the disadvantages.

Description

Water-swallow ship form

One, technical field

" water-swallow ship form " designing technique belongs to the shipbuilding field, is applicable to make the ship that fore when advancing has certain draft; The more shallow ship of fore draft when not being suitable for advancing is as speedboat, small-sized pleasure-boat, wooden boat etc.

Two, background technology

Most ships are with fore with fwd water separately when advancing.So, the resistance of water when having some other better way to reduce ship to advance? " water-swallow ship form " design is exactly a kind of effective ways of the resistance of water when reducing ship and advancing.

Three, summary of the invention

1, core design content

Shown in Figure of description.With water pipe of indoor design of ship drinking water part below, the internal diameter of fore section of tubing is bigger, and the internal diameter of quarter of a ship subtube is less, and front and back respectively are provided with a current accelerator in the pipeline.

Certainly, two current accelerators not necessarily just are set in the water pipe.Perhaps, what hull was short is provided with one, and perhaps what hull was long is provided with three, even more.

2, principle explanation

" water-swallow ship form " is that a pre-large post-small water pipe is made in the indoor design of ship drinking water part below, and the current accelerator is housed in the pipeline.Like this, ship is in the process of advancing, and a part of water before the fore is just successfully swallowed in the water pipe, diffluence backward after and then these water are quickened by the current accelerator.Current are through once, in addition after repeatedly quickening finally from stern below water pipe outlet ejection at a high speed.

Hence one can see that, and the resistance when both having been reduced by the water swallowed that ship advances has played the effect that ship is pushed ahead again, becomes the major impetus that ship advances.

3, advantage

Though water pipe has taken some spaces of below in the ship, in the resistance that has reduced water, obtained the power that advances again, accelerated the speed of advance of ship.Obviously, sharp much larger than fraud.

Four, description of drawings

Figure of description is showed design-calculated water pipe and current accelerator in the ship intuitively, also can play great role to the explanation of groundwork.

Five, the specific embodiment

1, fore gulps down place, the mouth of a river railing will suitably be set, in order to avoid bigger foreign material or biology swallowed in the water, thereby causes pipe choking.

2, the ratio of the hollow diameters of current accelerator cylinder and cylinder internal diameter can not be too little, should reduce to be swallowed the injures and deaths of organism in water as far as possible.

3, several vane type spiral grooves are arranged in the current accelerator cylinder, can adopt the mechanical drive mode design that cylinder is rotated, also it can be designed to the rotor of motor.Certainly, if any other more advanced reasonable method, although adopt.

4, the water pipe line of centers should with the hull bottom almost parallel, or the back is suitably downward-sloping.

5, " water-swallow ship form " design is a major impetus with the water spray of stern below water pipe outlet, in addition can propeller as standby and turn to required auxiliary power.

6, because ships such as speedboat, small-sized pleasure-boat, wooden boat when advancing the fore drinking water more shallow, fore even almost break away from the water surface sometimes.So this class ship is not suitable for " water-swallow ship form " design.

Claims (1)

1. only require groundwork is protected." water-swallow ship form " design-calculated groundwork is that a pre-large post-small water pipe is made in the indoor design of ship drinking water part below, and the current accelerator is housed in the pipeline.Like this, ship is in the process of advancing, and a part of water before the fore is just successfully swallowed in the water pipe, diffluence backward after and then these water are quickened by the current accelerator.Current are through once, in addition after repeatedly quickening finally from stern below water pipe outlet ejection at a high speed.

Hence one can see that, and the resistance when both having been reduced by the water swallowed that ship advances has played the effect that ship is pushed ahead again, becomes the major impetus that ship advances.

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