CN103612709B - The surely wet long chute type hard chine glider ship type of straight wall - Google Patents
The surely wet long chute type hard chine glider ship type of straight wall Download PDFInfo
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- CN103612709B CN103612709B CN201310590567.4A CN201310590567A CN103612709B CN 103612709 B CN103612709 B CN 103612709B CN 201310590567 A CN201310590567 A CN 201310590567A CN 103612709 B CN103612709 B CN 103612709B
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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
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Abstract
The invention discloses the surely wet long chute type hard chine glider ship type of a kind of straight wall and method of designing, it is characterized in that, its hull is that the surely wet long hard chine 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, knuckle 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 binary hard chine glider ship type, particularly relate to a kind of be applicable to your moral number of length Fu be greater than 1.0 can under higher sea situation normal/cruise military, civilian catamaran planing craft ship type, belong to boats and ships ship type technical field.
Background technology
Hard chine glider is a kind of canoe of high speed slide motion on the water surface, all has extensive utilization, as patroe tor pedo boat, guided missile boat, fast tender, high speed luxury yacht, high speed racing boat etc. in military, civilian field.Hard chine glider has larger wave making resistance and less spittle resistance when low speed slide navigates by water, these two kinds of resistances and account for more than 70% of total drag, along with the increase wave making resistance proportion sliding the speed of a ship or plane reduces and the increase of spittle resistance proportion, increasing with the proportion continuation accounting for total drag of these two kinds of resistances, even exceed more than 90% of total drag, and wave making and the spittle are hard chine gliders slides the intrinsic physical phenomenon of navigation, be difficult to avoid.Current Channel type planing boat, water-filled in conduit, when high speed slide, groove top is in all-pass gaseity, air lubrication layer is formed between groove top planing surface and water, thus decrease frictional resistance greatly, hull is made to be in two point-supported stable sliding states, and air lubricating layer also has the effect of obvious buffering, vibration damping, minimizing slamming during high speed slide, but its most wave making and the spittle all flow away outside hull, so the energy that conduit reclaims wave making and the spittle is relatively little.Current catamaran planing craft, resistance is not almost improved, just make hull be in two and point-supportedly comparatively stablize sliding state, for catamaran planing craft, 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 hard chine glider of less wave making and spittle resistance when navigating by water, the hard chine glider 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 hard chine glider is when low speed hull-borne is navigated by water, because glider length and width are smaller, again there is hard chine, therefore have larger wave making resistance compared to binary displacement ship, simultaneously because traditional binary hard chine glider its wetted length when taking off will obviously reduce, now have an obvious wave making resistance peak, wave making resistance is larger; Traditional binary hard chine glider is when high speed slide regimes, because length of flooding significantly reduces, the longitudinal vortices of hard chine glider 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 hard chine glider.With conventional drainage type ship unlike, glider 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 hard chine glider ship type that invention design hull wetted length is constant, to improve the various deficiencies of above-mentioned traditional binary hard chine glider, make improving and while optimizing the every navigation performance of binary hard chine glider, allowing the performance analyzing binary hard chine glider by your moral number (Fr) of length Fu also become more convenient.(your moral number of length Fu---Fr=V/
,---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 hard chine glider ship type of a kind of straight wall, its ship type is made up of the surely wet long hard chine 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 hard chine glider ship type of a kind of straight wall, its hull is made up of the surely wet long hard chine lateral body 21 of symmetrical two straight walls, slideway top 22, slideway 42; The surely wet long hard chine lateral body 21 of described straight wall is made up of hard chine curved surface 212 inside wall 211 straight outside hull and hull; Outside described hull, straight wall 211 is by upper border line 16, straight wall outline line 13 combination producing; Inside described hull, hard chine curved surface 212 is by ramping angle β at the bottom of straight wall outline line 13, knuckle line 14 and knuckle line casterangle α, slideway outline line 15, 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 hard chine 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, point 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, point K1 is in the below of an o, be the stern end points that stern indulges bottom line 133, some K5 is the midship point that stern indulges bottom line 133, and the horizontal fore-and-aft distance of described some K5 to some K1 equals 0.5L; Point K1, K5, K9, K10, K11 are apart from the transverse distance B=L/ (8 ~ 16) of hull line of centers (51); Described knuckle line (14) is the space SPL of the fairing connected into by some K2, K6, K11, and its K2K6 section is straight line; Point K6 is the midship point of knuckle line 14, is positioned at the below of design load water line 12, distance h=(0.15 ~ 0.45) a of distance design load water line, the horizontal cross distance f of distance hull line of centers 51
1=L/ (4 ~ 8); Point K2 is the stern end points of knuckle line 14, is positioned at the below of design load water line 12, apart from the distance h of design load water line 12
1horizontal cross distance f=(0.9 ~ 1.1) f of=h+0.5Ltan α, distance hull line of centers 51
1, α is knuckle line casterangle α; Slideway outline line 15 is be linked in sequence K3, K7, K12 and the space SPL of fairing that obtains, and 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 hard chine glider ship type of aforesaid straight wall, ramping angle β at the bottom of wherein said stern
1the straight line of point of connection K1, K2 and the angle of horizontal surface, span: 25 °≤β
1≤ 35 °; Ramping angle β at the bottom of described midship
2the straight line of point of connection K5, K6 and the angle of horizontal surface, span: β
1≤ β
2≤ 50 °.
The surely wet long chute type hard chine glider ship type of aforesaid straight wall, its mid point K1 is to the distance h of design load water line (12)
2=h
1+ ftan β
1; Point K5 is to the distance h of design load water line (12)
4=h+f
1tan β
2.
The surely wet long chute type hard chine glider ship type of aforesaid straight wall, wherein outside hull, straight wall (211) is the vertical plane surface parallel with hull line of centers (51).
The surely wet long chute type hard chine glider ship type of aforesaid straight wall, wherein said knuckle line casterangle α=0 ° ~ 4 °.
The surely wet long chute type hard chine glider ship type of aforesaid straight wall, its mid point K3 is below hull design load water line 12 and to the height h of hull design load water line 12
3≤ h
1, some K3 is in the inner side of a K2 and to the height h putting K212
5≤ h, the some K7 transverse distance in the inner side of a K6 and to some K6 equals e; Put height d=(1.5 ~ 3.5) b of K12 to design load water line (12), 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 invention has the beneficial effects as follows:
1. the present invention is when sliding state navigates by water, 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 coasting speed is better, hull is in stability and the navigability that three fulcrum sliding states add hull state of kinematic motion simultaneously.
2. the length on designed waterline of traditional binary hard chine glider is all less than hull knuckle line length, and length on designed waterline of the present invention is greater than knuckle line length, at same knuckle line 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 hard chine glider; The present invention's wetted length when taking off is invariable, and its wave making resistance that takes off is less than traditional binary hard chine glider; Because the present invention's its wetted length when sliding state navigates by water is invariable, it is constant thus to soak aspect ratio, and hydrodynamic pressure center is remained unchanged substantially, and compared with traditional binary hard chine glider, the present invention has good longitudinal vortices; The present invention is constant because of aspect ratio, and its road-holding property, navigability and rough water quality performance more traditional binary hard chine glider are improved largely, still can normal/cruise under higher sea situation, expands the usage condition scope of binary hard chine glider.
3. the present invention's drag reduction 3 ~ 5%, drag reduction 7 ~ 15% when drag reduction 3 ~ 5%, high speed slide when drag reduction 4 ~ 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, obtains bow lower prop line 131; Circular arc lower extreme point K10 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; Circular arc upper extreme point K11 above hull design load water line 12, apart from distance b=(0.2 ~ 0.5) a of hull design load water line; 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
2by ramping angle β at the bottom of stern
1with the position control of a K2, h
2=h
1+ ftan β
1; Get a K5 12 times in midship bench section and design load water line, it is to the distance h of hull design load water line 12
4by ramping angle β at the bottom of midship
2with the position control of a K6, h
4=h+f
1tan β
2; Point K1 is the stern end points that stern indulges bottom line 133, and some K5 is the midship point that stern indulges bottom line 133; Point K5 equals 0.5L to the horizontal fore-and-aft distance of some K1; 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 and Fig. 2, described knuckle line 14 is the space SPLs of the fairing connected into by some K2, K6, K11, and its K2K6 section is straight line; In FIG, described some K2 is the stern end points of knuckle line 14, is positioned at immediately below an o, and it is to the distance h of hull design load water line 12
1controlled by the position of a K6 and knuckle line casterangle α, h
1=h+0.5Ltan α; In Fig. 2, distance f=(0.9 ~ 1.1) f of some K2 and hull line of centers 51
1; In Fig. 1, knuckle line casterangle α is the straight line of point of connection K2, K6 and the angle of horizontal surface, and α is just in the horizontal plane, its span α=0 ° ~ 4 °; In FIG, some K6 is the midship point of knuckle line 14, is positioned at the below of hull design load water line 12, apart from distance h=(0.15 ~ 0.45) a of hull design load water line 12; In Fig. 2, the distance f of described some K6 and hull line of centers 51
1=L/ (4 ~ 8).
In Fig. 1, get a K3 in the vertical direction of the below of hull design load water line 12 and some K2, described some K3 is to the height h of hull design load water line 12
3≤ h
1, get a K7 in the vertical direction of the below of hull design load water line 12 and some K6, described some K7 is to the height h of hull design load water line 12
5≤ h, 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 in the inner side of a K2 and to the distance e=(0 ~ f/3) putting K2, and the distance of described some K7 in the inner side of a K6 and to some K6 equals e; 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, described slideway outline line 15 is space SPLs of a fairing, the K3K7 section of slideway outline line 15 is straight line, described some K3 is the stern end points of slideway outline line 15, point 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, directly over a K1, get a K4, directly over a K5, get a K8, directly over a K12, get a K13, get in some K14, Fig. 2 to ship bow direction, described some K14 on hull line of centers 51 to the vertical equity distance of some K1 be that hull type is long; Namely be 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.
In Fig. 1 and Fig. 2, be namely linked in sequence some 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, the cross-sectional upper thread of described stern 311 is continuous broken curves of point of connection K1, K2, K3; Described stern chute top line 312 is curves of point of connection K3, K3; Ramping angle β at the bottom of stern
1being the straight line of point of connection K1, K2 and the angle of horizontal surface, is just in the horizontal plane, its span: 25 °≤β
1≤ 35 °.
In Fig. 3, the cross-sectional upper thread of described midship 321 is continuous broken curves of point of connection K5, K6, K7; Described midship slideway top line 322 is curves of point of connection K7, K7; Ramping angle β at the bottom of described midship
2being the straight line of point of connection K5, K6 and the angle of horizontal surface, is 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 hard chine curved surface 212 and described slideway top 22 inside described hull, 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 hard chine glider 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 (5)
1. the surely wet long chute type hard chine glider ship type of straight wall, its hull is made up of the surely wet long hard chine lateral body (21) of symmetrical two straight walls, slideway top (22), slideway (42); The surely wet long hard chine lateral body (21) of described straight wall is made up of hard chine curved surface (212) inside wall (211) straight outside hull and hull; Outside described hull, straight wall (211) is by upper border line (16), straight wall outline line (13) combination producing; Inside described hull, hard chine curved surface (212) is by ramping angle β at the bottom of straight wall outline line (13), knuckle line (14) and knuckle line casterangle α, slideway outline line (15), 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 hard chine 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, point K1 is in the below of an o, it is the stern end points that stern indulges bottom line (133), point K5 is the midship point that stern indulges bottom line (133), and the horizontal fore-and-aft distance of described some K5 to some K1 equals 0.5L; Point K1, K5, K9, K10, K11 are apart from the transverse distance B=L/ (8 ~ 16) of hull line of centers (51); Described knuckle line (14) is the space SPL of the fairing connected into by some K2, K6, K11, and its K2K6 section is straight line; Point K6 is the midship point of knuckle line (14), is positioned at the below of hull design load water line (12), distance h=(0.15 ~ 0.45) a of distance design load water line, the horizontal cross distance f of distance hull line of centers (51)
1=L/ (4 ~ 8); Point K2 is the stern end points of knuckle line (14), is positioned at the below of hull design load water line (12), apart from the distance h of hull design load water line (12)
1horizontal cross distance f=(0.9 ~ 1.1) f of=h+0.5Ltan α, distance hull line of centers (51)
1, α is knuckle line casterangle α; Slideway outline line (15) is the space SPL of K3, K7, K12 and the fairing obtained of being linked in sequence, point 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; Ramping angle β at the bottom of described stern
1the straight line of point of connection K1, K2 and the angle of horizontal surface, span: 25 °≤β
1≤ 35 °; Ramping angle β at the bottom of described midship
2the straight line of point of connection K5, K6 and the angle of horizontal surface, span: β
1≤ β
2≤ 50 °.
2. the surely wet long chute type hard chine glider ship type of straight wall according to claim 1, is characterized in that, some K1 is to the distance h of design load water line (12)
2=h
1+ ftan β
1; Point K5 is to the distance h of hull design load water line (12)
4=h+f
1tan β
2.
3. the surely wet long chute type hard chine glider ship type of straight wall according to claim 1, it is characterized in that, outside hull, straight wall (211) is the vertical plane surface parallel with hull line of centers (51).
4. the surely wet long chute type hard chine glider ship type of straight wall according to claim 1, is characterized in that, described knuckle line casterangle α=0 ° ~ 4 °.
5. the surely wet long chute type hard chine glider ship type of straight wall according to claim 1, is characterized in that, some K3 is in hull design load water line (12) below and to the height h of hull design load water line (12)
3≤ h
1, some K3 is in the inner side of a K2 and to the transverse distance e=(0 ~ f/3) putting K2; Point K7 is in hull design load water line (12) below and to the height h of hull design load water line (12)
5≤ h, the some K7 transverse distance in the inner side of a K6 and to some K6 equals e; Put height d=(1.5 ~ 3.5) b of K12 to hull design load water line (12), 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.
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| CN107818226B (en) * | 2017-11-16 | 2023-11-07 | 中船黄埔文冲船舶有限公司 | Three-dimensional modeling method of bilge keel structure and bilge keel structure |
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| DE2520167C2 (en) * | 1975-05-06 | 1978-07-13 | Hermann Dipl.-Chem. Dr. 8510 Fuerth Neuhierl | Arrangement for attaching variously shaped wings to the fuselage of model gliders or powered aircraft |
| FR2688466A1 (en) * | 1992-03-11 | 1993-09-17 | Lhuillier Olivier | Military boat for harassing naval capital ships |
| CN1634746A (en) * | 2004-12-31 | 2005-07-06 | 广州广船国际股份有限公司 | Hull |
| CN101704401A (en) * | 2009-11-27 | 2010-05-12 | 中国舰船研究设计中心 | Boat type of deep V skimming boat |
| CN103231772A (en) * | 2013-04-28 | 2013-08-07 | 大连海事大学 | Arc-shaped ship bow molded line design for dredging green water of high speed vessel |
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