CN103612707B - The surely wet long chute type slack bulge speedboat ship type of straight wall - Google Patents
The surely wet long chute type slack bulge speedboat ship type of straight wall Download PDFInfo
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- CN103612707B CN103612707B CN201310589329.1A CN201310589329A CN103612707B CN 103612707 B CN103612707 B CN 103612707B CN 201310589329 A CN201310589329 A CN 201310589329A CN 103612707 B CN103612707 B CN 103612707B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
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Abstract
The invention discloses the surely wet long chute type slack bulge speedboat ship type of a kind of straight wall, it is characterized in that, its hull is that the surely wet oval bilge lateral body of symmetrical two straight walls and slideway top that feature generates and slideway form by ramping angle at the bottom of ramping angle, the cross-sectional upper thread of midship and midship at the bottom of straight wall outline line, slideway outline line, the cross-sectional upper thread of stern and stern; The invention has the beneficial effects as follows: its wetted length is invariable; During navigation, outside hull, wave making and the spittle significantly reduce, wave making inside hull and the spittle flow through through slideway and flow out at a high speed after ship together with air stream, its portion of energy is reclaimed by slideway the dynamic lift that (be equivalent to wave absorption go out foam) is converted to hull together with air draught, its road-holding property, navigability and rough water quality obtain larger raising, and more traditional glider can improve (1 ~ 2) level sea situation and use; In addition, because its wetted length remains unchanged, be conducive to people and utilize your moral number of length Fu to carry out its performance of analytical investigation theoretically.
Description
Technical field
The present invention relates to a kind of speedboat ship type, particularly relate to a kind of be applicable to your moral number of length Fu be greater than 0.5 ~ 1.3 and can under higher sea situation normal/cruise military, civilian binary speedboat, belong to boats and ships ship type technical field.
Background technology
Slack bulge speedboat has larger wave making resistance and less spittle resistance when transition condition navigates by water, these two kinds of resistances and account for more than 50% of total drag, increase wave making resistance proportion along with the speed of a ship or plane reduces and spittle resistance proportion increases, increasing with the proportion continuation accounting for total drag of these two kinds of resistances, even exceed more than 70% of total drag, and wave making and the spittle be speedboat navigation time intrinsic physical phenomenon, be difficult to avoid.Current binary speedboat, resistance is not almost improved, hull is just made to be in two point-supported comparatively steady steaming states, for binary speedboat, though have the wave making of nearly half and the spittle to flow through from the water channel between binary, but due to comparatively large apart from water surface distance at the bottom of connecting bridge, so do not have the effect of reclaiming wave making energy and spittle energy.Ship type is one of most important factor determining hull performance, design invention is a kind of has the speedboat of less wave making and spittle resistance when navigating by water, the speedboat designed in other words when navigating by water can recovery section wave making and the spittle energy thus reach reduce resistance, improve the speed of a ship or plane, economize energy just seems very necessary.
Traditional binary slack bulge speedboat is when low speed hull-borne is navigated by water, because speedboat length and width are smaller, therefore have larger wave making resistance compared to binary displacement ship, simultaneously because traditional binary slack bulge speedboat its wetted length when taking off will obviously reduce, now have an obvious wave making resistance peak, wave making resistance is larger; Traditional binary slack bulge speedboat is when sliding state navigates by water, because length of flooding significantly reduces, the longitudinal vortices of speedboat can be reduced greatly, rough water quality is deteriorated, even just can not normal/cruise under slightly high sea situation, thus limit the usage condition scope of traditional binary slack bulge speedboat.With conventional drainage type ship unlike, speedboat rises type ship as one is dynamic, and when navigating by water, its boat state can change along with the change of the speed of a ship or plane, the mainly change of hull wetted length and hull drinking water and hull casterangle, this brings inconvenience for analyzing its performance with your moral number of length Fu.Therefore, the binary slack bulge speedboat ship type that invention design hull wetted length is constant, to improve the various deficiencies of above-mentioned traditional binary slack bulge speedboat, make improving and while optimizing the every navigation performance of binary slack bulge speedboat, allowing the performance analyzing binary slack bulge speedboat by your moral number (Fr) of length Fu also become more convenient.(your moral number of length Fu---Fr=V/ √ gl,---ship speed (m/s), g---acceleration due to gravity (m/s in formula: V
2), L---boats and ships length on water line (m))
Summary of the invention
The object of the present invention is to provide the surely wet long chute type slack bulge speedboat ship type of a kind of straight wall, its ship type is made up of the surely wet oval bilge lateral body of symmetrical two straight walls, slideway top and slideway.
Object of the present invention is achieved by the following technical programs:
The surely wet long chute type slack bulge speedboat ship type of a kind of straight wall, its hull is made up of the surely wet oval bilge lateral body 21 of symmetrical two straight walls, slideway top 22 and slideway 42; The surely wet oval bilge lateral body 21 of described straight wall is made up of slack bulge curved surface 212 inside wall 211 straight outside hull and hull; Outside hull, straight wall 211 is by upper border line 16, straight wall outline line 13 combination producing; Inside described hull, slack bulge curved surface 212 is by ramping angle β at the bottom of straight wall outline line 13, slideway outline line 15 and slideway outline line casterangle α, the cross-sectional upper thread 311 of stern and stern
1, ramping angle β at the bottom of the cross-sectional upper thread 321 of midship and midship
2combination producing; Described slideway top 22 is by slideway outline line 15, stern chute top line 312, midship slideway top line 322 and bow slideway top line 332 combination producing; Described slideway 42 surrounded by slack bulge curved surface 212, slideway top 22 inside hull; Described straight wall outline line 13 be indulge bottom line 132 by bow lower prop line 131, bow, stern indulge bottom line 133 order be connected form; Described bow lower prop line 131 is for the center of circle with an o, the length L of hull design load water line 12 is the circular arc K10K11 that radius R is done, described some o is the stern end points of hull design load water line 12, point K10 is in the below of hull design load water line 12, apart from the distance a=L/ (9 ~ 11) of hull design load water line 12, put K11 above hull design load water line 12, apart from distance b=(0.2 ~ 0.5) a of hull design load water line 12; It was the horizontal linear section K9K10 that some K10 points to ship stern, its length c=L/ (15 ~ 25) that described bow indulges bottom line 132; Described stern indulges the plane SPL that bottom line 133 is the fairing be formed by connecting by some K1, K5, K9, and described some K1, in the below of an o, is stern end points, its distance h to hull design load water line 12 that stern indulges bottom line 133
2=(0.1 ~ 0.5) a, described some K5 be stern indulge bottom line 133 midship point, equal 0.5L to the horizontal fore-and-aft distance of some K1, some K5 is below hull design load water line 12, to the distance h of hull design load water line 12
3=(0.5 ~ 1) a; Point K1, K5, K9, K10, K11 are apart from the transverse distance B=L/ (8 ~ 16) of hull line of centers 51; Described slideway outline line 15 is the space SPLs of K3, K7, K12 and the fairing obtained of being linked in sequence, and described some K3, K7, K12 are respectively the stern end points of slideway outline line 15, midship and bow end points, and the K3K7 section of described slideway outline line 15 is straight line.
Object of the present invention can also be realized further by following technical measures.
The surely wet long chute type slack bulge speedboat ship type of aforesaid straight wall, outside wherein said hull, straight wall (211) is the vertical plane surface parallel with hull line of centers 51.
The surely wet long chute type slack bulge speedboat ship type of aforesaid straight wall, wherein said some K7 in the below of hull design load water line 12, it is to height h=(0.1 ~ 0.5) a of hull design load water line 12, the horizontal cross distance f to hull line of centers 51
1=L/ (4 ~ 8); Described some K3 in the below of hull design load water line 12, its height h to hull design load water line 12
1=h+0.5Ltan α, horizontal cross distance f=(0.9 ~ 1.1) f to hull line of centers 51
1; Described some K12 above hull design load water line 12, its height d=(1.5 ~ 3.5) b to hull design load water line (12), horizontal cross distance g=(0.7 ~ 0.9) B to hull line of centers 51, to the vertical equity distance c putting K11
1=(0.5 ~ 1.5) b.
The surely wet long chute type slack bulge speedboat ship type of aforesaid straight wall, wherein said slideway outline line casterangle α is the straight line of point of connection K3, K7 and the angle of horizontal surface, and α is just in the horizontal plane, its span α=0 ° ~ 4 °.
The surely wet long chute type slack bulge speedboat ship type of aforesaid straight wall, ramping angle β at the bottom of wherein said stern
1being the tangent line of the cross-sectional upper thread of stern at a K1 and the angle of horizontal surface, is just in the horizontal plane, its span: 25 °≤β
1≤ 35 °.Ramping angle β at the bottom of described midship
2being the tangent line of the cross-sectional upper thread of midship at K5 and the angle of horizontal surface, is just in the horizontal plane, span: β
1≤ β
2≤ 50 °.
The invention has the beneficial effects as follows:
1. the present invention is when transition condition and sliding state navigation, outside hull, wave making and the spittle significantly reduce, major part wave making and the current of spittle large quantity of air of accompanying flows through and be accelerated from the outflow at a high speed of slideway stern in slideway, now part wave making is reclaimed (be equivalent to wave absorption and subtract foam) together with air draught at the dynamic lift that slideway internal conversion is to hull with the energy of the spittle by slideway, reduce wave making and spittle resistance, improve the speed of a ship or plane, the higher drag-reduction effect of route speed is better, hull is in stability and the navigability that three fulcrum sliding states add hull state of kinematic motion simultaneously.
2., at same designed waterline length and with in displacement situation, when hull-borne and transition condition navigation, wave making resistance of the present invention is less than traditional binary slack bulge speedboat; The present invention's wetted length when taking off is invariable, thus its take off wave making and spittle resistance ratios tradition binary slack bulge speedboat little; Because the present invention's its wetted length when sliding state navigates by water is invariable, hydrodynamic pressure center is remained unchanged substantially, compared with traditional binary slack bulge speedboat, the present invention has better longitudinal vortices, its road-holding property, navigability and rough water quality performance more traditional binary slack bulge speedboat are improved a lot, still can normal/cruise under higher sea situation, expand the usage condition scope of binary slack bulge speedboat.
3. the present invention's drag reduction 3 ~ 5%, drag reduction 3 ~ 7% when drag reduction 3 ~ 7%, low speed slide when taking off when transition condition navigates by water, navigability and rough water quality can improve (1 ~ 2) level sea situation simultaneously, in addition, because wetted length of the present invention remains constant, more will be conducive to people and utilize your moral number of length Fu its performance of analytical investigation theoretically.
Advantage and disadvantage of the present invention, by for illustration and explanation for the non-limitative illustration passing through preferred embodiment below, these embodiments, only provide as an example with reference to accompanying drawing.
Accompanying drawing explanation
Fig. 1 is lateral plan of the present invention, and left end is ship stern, and right-hand member is ship bow;
Fig. 2 is birds-eye view of the present invention, due to symmetry, is illustrated as hull starboard part;
Fig. 3 is drawing in side sectional elevation of the present invention, and due to symmetry, A-A section (stern bench section) is shown in the left side of hull line of centers 51; B-B section (midship bench section) is shown in the right of hull line of centers 51.
Fig. 4 is drawing in side sectional elevation of the present invention, and due to symmetry, C-C section (bow bench section) is shown in the right of ship hull line of centers 51.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention and method of designing are described further.
In Fig. 1, with an o for initial point, its length drawing a level to ship bow direction equals the line segment ox of hull designed waterline length L, and namely line segment ox is described hull design load water line 12.
In Fig. 1, with an o for the center of circle, the length L of hull design load water line 12 is that radius R makes circular arc K10K11, obtain bow lower prop line 131, circular arc lower extreme point K10 is in the below of hull design load water line 12, distance a=L/(9 ~ 11 apart from hull design load water line 12), circular arc upper extreme point K11 above hull design load water line 12, distance b=(0.2 ~ 0.5 apart from hull design load water line) a; Cross some K10 and draw horizontal linear to ship stern direction, straight line is got a K9, and line segment K9K10 is bow and indulges bottom line 132, its length c=L/(15 ~ 25); Immediately below the cross-sectional millet cake o of stern, get a K1, it is to the distance h of hull design load water line 12
2=(0.1 ~ 0.5) a; Get a K5 in the below of midship bench section and design load water line 12, it is to the distance h of hull design load water line 12
3=(0.5 ~ 1) a; Described some K1 is the stern end points that stern indulges bottom line 133, and described some K5 is the midship point that stern indulges bottom line 133; The horizontal fore-and-aft distance of described some K5 to some K1 equals 0.5L; Point of connection K1, K5, K9 make into the SPL of fairing, obtain stern and indulge bottom line 133; Being linked in sequence, bow lower prop line 131, bow indulge bottom line 132, stern is indulged bottom line 133 and namely obtained straight wall outline line 13.In Fig. 2, the distance of described some K1, K5, K9, K10, K11 distance hull line of centers 51 equals B, B=L/ (8 ~ 16).
In Fig. 1, a K7 is got in the vertical direction of the below of hull design load water line 12 and some K6, described some K7 is to height h=(0.1 ~ 0.5) a of hull design load water line 12, get a K3 in the vertical direction of the below of hull design load water line 12 and some K1, described some K3 is to the height h of hull design load water line 12
1=h+0.5Ltan α, described slideway outline line casterangle α is the straight line of point of connection K3, K7 and the angle of horizontal surface, α is just in the horizontal plane, its span α=0 ° ~ 4 °, a K12 got by stem line 17, and it arrives height d=(1.5 ~ 3.5) b of hull design load water line 12, the vertical equity distance c to some K11
1=(0.5 ~ 1.5) b; In Fig. 2, described some K3 is to distance f=(0.9 ~ 1.1) f of hull line of centers 51
1; Described some K7 is to the distance f of hull line of centers 51
1=L/ (4 ~ 8); Described some K12 is to distance g=(0.7 ~ 0.9) B of hull line of centers 51; Namely be linked in sequence K3, K7, K12 obtain slideway outline line 15, and described slideway outline line 15 is space SPLs of a fairing, and the K3K7 section of described slideway outline line 15 is straight line; Described some K3 is the stern end points of slideway outline line 15, and described some K7 is the midship point of slideway outline line 15, and described some K12 is the bow end points of slideway outline line 15.
In Fig. 1, Fig. 2, a K4 is got directly over a K1, a K8 is got directly over a K5, a K13 is got directly over a K12, a K14 is got on ship bow direction hull line of centers 51, the vertical equity distance of described some K14 to some K1 is that hull type is long, and be namely linked in sequence some K4, K8, K13, K14 obtain upper border line 16; The K4K8K13 section of described upper border line 16 be the plane curve parallel with hull line of centers 51 and to hull line of centers 51 distance equals B, its K13K14 section is space curve; Described upper border line 16 is space SPLs of a fairing, and described some K4, K8, K13, K14 are determined to the height of hull design load water line 12 by designer.
Namely be linked in sequence in Fig. 1, Fig. 2 K11, K12, K14 obtain bow upper prop line 17, and suitably the position of adjustment point K12 makes itself and upper border line 16 have good conversion relations;
In Fig. 3, ramping angle β at the bottom of described stern
1being the tangent line of the cross-sectional upper thread of stern at a K1 and the angle of horizontal surface, is just in the horizontal plane, its span: 25 °≤β
1≤ 35 °.
In Fig. 3, ramping angle β at the bottom of described midship
2that the cross-sectional upper thread of midship is at K
5tangent line and the angle of horizontal surface, be just in the horizontal plane, span: β
1≤ β
2≤ 50 °.
In Fig. 4, described bow slideway top line 332 is curves of point of connection K12, K12.
For guaranteeing the three-dimensional light compliance on described hull inner curve 212 and described slideway top 22, must increase some cross-sectional upper threads, buttock line, waterline upper thread, its number needs by design and determines.Adjust each lines fairness and harmony, make the hull inner curve 212 that generates and the three-dimensional light compliance on slideway top 22 reach satisfied state, will guarantee that hull displacement under hull design load water line 12 and position, centre of buoyancy meet design requirement simultaneously.
Be the space curve of the surely wet long chute type slack bulge speedboat ship type of straight wall, plane curve, the shape of body lines and quantity and operating angle shown in Fig. 1 ~ Fig. 4, only provide as non-limitative illustration.
In addition to the implementation, the present invention can also have other embodiments, and all employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop in the protection domain of application claims.
Claims (6)
1. the surely wet long chute type slack bulge speedboat ship type of straight wall, its hull is made up of the surely wet oval bilge lateral body (21) of symmetrical two straight walls, slideway top (22) and slideway (42); The surely wet oval bilge lateral body (21) of described straight wall is made up of slack bulge curved surface (212) inside wall (211) straight outside hull and hull; Outside hull, straight wall (211) is by upper border line (16), straight wall outline line (13) combination producing; Inside described hull, slack bulge curved surface (212) is by ramping angle β at the bottom of straight wall outline line (13), slideway outline line (15) and slideway outline line casterangle α, the cross-sectional upper thread of stern (311) and stern
1, ramping angle β at the bottom of the cross-sectional upper thread of midship (321) and midship
2combination producing; Described slideway top (22) is by slideway outline line (15), stern chute top line (312), midship slideway top line (322) and bow slideway top line (332) combination producing; Described slideway (42) surrounded by slack bulge curved surface (212), slideway top (22) inside hull; Described straight wall outline line (13) be indulge bottom line (132) by bow lower prop line (131), bow, stern indulge bottom line (133) order be connected form; It is characterized in that, described bow lower prop line (131) is for the center of circle with an o, the length L of hull design load water line (12) is the circular arc K10K11 that radius R is done, described some o is the stern end points of hull design load water line (12), point K10 is in the below of hull design load water line (12), apart from the distance a=L/ (9 ~ 11) of hull design load water line (12), put K11 in the top of hull design load water line (12), apart from distance b=(0.2 ~ 0.5) a of hull design load water line (12); It was the horizontal linear section K9K10 that some K10 points to ship stern, its length c=L/ (15 ~ 25) that described bow indulges bottom line (132); Described stern indulges the plane SPL that bottom line (133) is the fairing be formed by connecting by some K1, K5, K9, described some K1, in the below of an o, is stern end points, its distance h to hull design load water line (12) that stern indulges bottom line (133)
2=(0.1 ~ 0.5) a, described some K5 be stern indulge bottom line (133) midship point, equal 0.5L to the horizontal fore-and-aft distance of some K1, the distance h of some K5 in hull design load water line (12) below, to hull design load water line (12)
3=(0.5 ~ 1) a; Point K1, K5, K9, K10, K11 are apart from the transverse distance B=L/ (8 ~ 16) of hull line of centers (51); Described slideway outline line (15) is the space SPL of K3, K7, K12 and the fairing obtained of being linked in sequence, described some K3, K7, K12 are respectively the stern end points of slideway outline line (15), midship and bow end points, and the K3K7 section of described slideway outline line (15) is straight line.
2. the surely wet long chute type slack bulge speedboat ship type of straight wall according to claim 1, it is characterized in that, outside described hull, straight wall (211) is the vertical plane surface parallel with hull line of centers (51).
3. the surely wet long chute type slack bulge speedboat ship type of straight wall according to claim 1, it is characterized in that, described some K7 hull design load water line (12) below, it is to height h=(0.1 ~ 0.5) a of hull design load water line (12), the horizontal cross distance f to hull line of centers (51)
1=L/ (4 ~ 8); Described some K3 in the below of hull design load water line (12), its height h to hull design load water line (12)
1=h+0.5Ltan α, horizontal cross distance f=(0.9 ~ 1.1) f to hull line of centers (51)
1; Described some K12 in the top of hull design load water line (12), its height d=(1.5 ~ 3.5) b to hull design load water line (12), horizontal cross distance g=(0.7 ~ 0.9) B to hull line of centers (51), to the vertical equity distance c putting K11
1=(0.5 ~ 1.5) b.
4. the surely wet long chute type slack bulge speedboat ship type of straight wall according to claim 1, it is characterized in that, described slideway outline line casterangle α is the straight line of point of connection K3, K7 and the angle of horizontal surface, and α is just in the horizontal plane, its span α=0 ° ~ 4 °.
5. the surely wet long chute type slack bulge speedboat ship type of straight wall according to claim 1, is characterized in that, ramping angle β at the bottom of described stern
1being the tangent line of the cross-sectional upper thread of stern at a K1 and the angle of horizontal surface, is just in the horizontal plane, its span: 25 °≤β
1≤ 35 °.
6. the surely wet long chute type slack bulge speedboat ship type of straight wall according to claim 1, is characterized in that, ramping angle β at the bottom of described midship
2being the tangent line of the cross-sectional upper thread of midship at K5 and the angle of horizontal surface, is just in the horizontal plane, span: β
1≤ β
2≤ 50 °.
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| CN201310589329.1A CN103612707B (en) | 2013-11-21 | 2013-11-21 | The surely wet long chute type slack bulge speedboat ship type of straight wall |
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| CN201310589329.1A CN103612707B (en) | 2013-11-21 | 2013-11-21 | The surely wet long chute type slack bulge speedboat ship type of straight wall |
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| CN103612707B true CN103612707B (en) | 2016-01-06 |
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| CN202593795U (en) * | 2012-03-09 | 2012-12-12 | 太阳鸟游艇股份有限公司 | Transition boat form |
| CN202609027U (en) * | 2012-05-15 | 2012-12-19 | 武汉南华高速船舶工程股份有限公司 | High-performance resistance-reducing and wave-making-reducing ship of double M-shaped tunnel body |
| CN202863709U (en) * | 2012-10-23 | 2013-04-10 | 武汉船舶设计研究所 | Catamaran |
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