CN113202052B - Panpipe and sea spring landscape device based on wave energy and structural body design method thereof - Google Patents
Panpipe and sea spring landscape device based on wave energy and structural body design method thereof Download PDFInfo
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B3/00—Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
- E02B3/04—Structures or apparatus for, or methods of, protecting banks, coasts, or harbours
- E02B3/06—Moles; Piers; Quays; Quay walls; Groynes; Breakwaters ; Wave dissipating walls; Quay equipment
- E02B3/062—Constructions floating in operational condition, e.g. breakwaters or wave dissipating walls
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B1/00—Equipment or apparatus for, or methods of, general hydraulic engineering, e.g. protection of constructions against ice-strains
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
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- G06F30/13—Architectural design, e.g. computer-aided architectural design [CAAD] related to design of buildings, bridges, landscapes, production plants or roads
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
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- G06F30/28—Design optimisation, verification or simulation using fluid dynamics, e.g. using Navier-Stokes equations or computational fluid dynamics [CFD]
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- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A10/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE at coastal zones; at river basins
- Y02A10/11—Hard structures, e.g. dams, dykes or breakwaters
Abstract
The invention discloses a panpipe and sea spring landscape device based on wave energy and a structural body design method thereof, wherein the panpipe and sea spring landscape device comprises at least one structural body and a cavity hole which is formed in the structural body in a penetrating mode, the cavity hole comprises a first cavity hole and a second cavity hole, the upper port of the first cavity hole is flush with the upper plane of the structural body, the lower port of the first cavity hole is identical in diameter with the upper port of the second cavity hole, two ports are connected in a seamless mode, the second cavity hole is in a reverse L shape, the long section of the second cavity hole is a vertical section, the short section of the second cavity hole is a horizontal section, and the port of the horizontal section is arranged in seawater. The invention has the beneficial effects that: the device is suitable for construction of the sea spring landscape of a floating island or an offshore breakwater, can provide wave elimination function for an offshore island, can also directly provide panpipe and sea spring landscape by utilizing ocean waves, can not only feel the natural sound of the panpipes, but also can view the surge of the ocean waves and emit the sound into the sky.
Description
Technical Field
The invention relates to the field of ecological seawall music landscape engineering, in particular to a panpipe and sea spring landscape device based on wave energy and a structural body design method thereof.
Background
At present, with the implementation of the strategy of ocean Enhance, the attention of expert and scholars in the ocean engineering community on how to develop ocean resources efficiently and environmentally is paid. The breakwater is generally required to be arranged for protection of any offshore buildings, harbor wharfs and the like, and particularly for tourist islands or seaside scenic spots, the design of the breakwater not only requires the conventional wave-absorbing and wave-preventing functions, but also requires the environment-friendly and attractive functions.
Based on the observation and understanding of the natural landscape of the sea spring near the seacoast of Hawaii and Oregon, USA, the generation principle of the natural landscape of the sea spring is imitated, namely, sea waves are utilized to beat reefs on the seacoast, wherein the reefs are provided with holes, the holes are connected with seawater, and the structures of the holes are wide at the bottom and small in volume at the top, such as round platforms. Therefore, the periodic sea waves flap the holes of the reef to extrude the air and the water in the holes, so that the air and the water in the holes in the reef are instantly beaten and sprayed out, like a fountain in the sea, the phenomenon is particularly spectacular, different cavity structures can generate different impact sounds, and the sound is also very characteristic.
The Chinese volley is an ancient musical instrument, which is connected by a plurality of wooden pipes or bamboo pipes with different lengths, and directly blows by mouth, each pipe gives out a sound, and different pipes are blown continuously to show melody.
Disclosure of Invention
Aiming at the defects in the prior art, in view of the spectacular structure of the pan pipes and the sea spring landscape and the combination of the wave-absorbing performance requirement of the breakwater, the invention provides a pan pipe sea spring landscape device based on wave energy and a structure body design method thereof, which can provide a wave-absorbing function for offshore islands and can also directly provide the pan pipe sea spring landscape near the shore by utilizing ocean waves.
In order to achieve the purpose, the invention is realized by the following technical scheme:
a panpipe and sea spring landscape device based on wave energy comprises at least one structural body and a cavity hole formed in the structural body in a penetrating mode, wherein the cavity hole comprises a first cavity hole and a second cavity hole, the upper end opening of the first cavity hole is flush with the upper plane of the structural body, the diameter of the lower end opening of the first cavity hole is the same as that of the upper end opening of the second cavity hole, and the two end openings are connected in a seamless mode; the second cavity hole is of a reverse L shape, the long section of the second cavity hole is a vertical section, the short section of the second cavity hole is a horizontal section, and a port of the horizontal section is arranged in seawater and is in a state of being submerged by the seawater.
Furthermore, the first cavity hole is a truncated cone-shaped cavity hole, and the cross section of the cavity hole is in a shape with a small top and a big bottom; the second cavity hole is a cavity hole with a circular cross section; the upper plane of the structure is higher than the sea level.
Further, the number of the structural bodies is at least 2, and the height of the structural bodies is arranged in parallel from high to low in sequence.
Further, the structure comprises fixed structures and floating structures, at least 2 fixed structures are arranged and fixed as landscape devices, and at least 2 floating structures are arranged and fixed as floating anti-wave lifts; the plurality of structural bodies can be integrally formed and manufactured, and can also be formed by splicing the structural body units into a whole.
Further, the fixed structure is a reinforced concrete block.
Further, the floating breakwater is arranged in the sea area by means of anchoring, such as on the bank or other sea areas with various water depths.
Furthermore, the anchoring mode is that a plurality of integrated floating structures are fixed on the seabed by mooring cables.
Furthermore, one end of the mooring cable is connected with the bottom of the floating structure, and the other end of the mooring cable is connected with an anchoring foundation fixedly arranged on the sea bottom.
Further, the anchoring foundation is various anchors, preferably a pile anchor, a normal bearing anchor and a suction anchor.
Further, there are at least 4 mooring lines; the mooring lines are preferably 4, each connected to the bottom of a floating structure disposed at either end of the landscape installation, with two assigned to each end.
Furthermore, the floating structure body is light in weight and can float on the sea surface, so that the panpipe and sea spring landscape device can be suitable for sea areas with various water depths, and compared with a fixed structure body, the panpipe and sea spring landscape device is more flexible and wider in application range and can only be located on the coast.
A design method of a structural body in a pan-pipes and sea springs landscape device comprises the following steps:
obtaining a setting principle and a design method of the wave pan-pipes and the sea spring landscape according to a wave theory, a hydromechanics continuity theory and a Bernoulli equation;
the expression for the height η of the wave surface is taken into account:
η=acosωt (1)
then, the amplitude is a, the wave height is 2a, the wave frequency is ω, and t represents time;
the coordinate of the C section arranged under the water depth H is ZCThe section C is the center of the longitudinal section of the horizontal section of the second cavity hole, and the water depth H is the depth distance from the sea level to the second cavity hole;
obtaining the pressure P at the C section under the water depth H according to the wave theorycIs composed of
PC=ρg(η-ZC) (2)
Wherein ρ represents the sea water density, g represents the gravity acceleration, and the wave surface elevation η ═ acos ω t;
obtaining the flow velocity V at the C section under the water depth H according to the orifice outflow theoryCIs composed of
Wherein alpha isCRepresenting the C-section kinetic energy correction coefficient, xiCA coefficient representing a local head loss;
obtaining an energy conversion expression from the C section to the B section according to a Bernoulli equation:
wherein, the section B is the lower end surface of the first cavity hole 3; alpha is alphaBRepresents the kinetic energy correction coefficient, V, of the B sectionBRepresents the flow velocity at the B section, hwHead, alpha, representing lossCRepresents the C section kinetic energy correction coefficient(ii) a Setting the center of the B section as the position of the origin of coordinates, ZB=0,Zc-H; head of loss ofThereby simplifying into
Considering the wave surface height eta ═ acos ω t, the wave surface height eta is obtained
Namely:
obtaining the coordinate value Z of the section of the hole C by the formula (7)cHeight H corresponding to-H, flow velocity V at cross-section of orifice BB;
According to the continuity theory of hydrodynamics, the radius r is obtainedAA flow velocity V at the outlet of the section AA:
rB 2VB=rA 2VA (8)
Wherein, the section A is the upper end surface of the first cavity hole 3, rBIs the radius of the first cavity hole 3 at the B section, rAThe radius of the first cavity hole 3 at the A section, the flow velocity V at the outlet of the A sectionAVelocity of flow V at section B of orificeB;
According to the movement of the free falling body, the height H above the sea spring can be obtainedA:
(VA)2=2gHA (9)
Establishing the height H above the spring by the formula (1-9)AAnd the elevation of the surface of the incident wave by adjusting A-BThe diameter of the cross-section adjusts the flow velocity at the outlet and thus the height H above the springA(ii) a And (3) setting and adjusting the distance H of the second cavity hole of the structure from the sea surface according to the amplitude alpha by the formula (7), namely setting the submerging depth at the section C.
The invention has the beneficial effects that:
(1) the device is suitable for the construction of the sea spring landscape of a floating island or an offshore breakwater, can provide a wave-absorbing function for an offshore island, and can also directly provide the panpipe sea spring landscape near the shore by using ocean waves;
(2) the device of the invention utilizes the waves of the flood tide to impact the novel revetment structure, the waves squeeze air and water in the cavity, and the inner sectional area of the cavity is reduced, so that the speed of the water body in the cavity is increased, the water body can be sprayed out through the holes of the cavity in the device, and the beautiful panpipe and sea spring landscape is formed;
(3) the device utilizes natural wave energy to extrude water in the cavity, has simple structure, low construction cost, environmental protection and convenient installation, can provide a new structural form for the construction and design of the landscape breakwater, and has wide engineering application prospect.
Drawings
The invention is described in detail below with reference to the following figures and detailed description:
FIG. 1 is a schematic sectional view of a fixed panpipe and fountain landscape apparatus according to embodiment 1 of the present invention;
FIG. 2 is a schematic top view of the structure of FIG. 1;
FIG. 3 is a schematic sectional view of the floating panpipe-sea spring landscape apparatus anchored in embodiment 2 of the present invention;
FIG. 4 is a schematic top view of the structure of FIG. 3;
fig. 5 is a schematic diagram of the structure in example 1 of the present invention.
The meaning of the reference symbols in the figures:
1. sea level, 2, waves, 3, a first cavity hole, 4, a second cavity hole, 5, a structure body, 6, a mooring rope, 7 and an anchoring foundation.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
Example 1
As shown in fig. 1 and 2, the panpipe and sea spring landscape device of the invention comprises at least one structural body 5 and a cavity hole formed through the structural body 5, wherein the cavity hole comprises a first cavity hole 3 and a second cavity hole 4, the upper port of the first cavity hole 3 is flush with the upper plane of the structural body 5, the diameter of the lower port of the first cavity hole 3 is the same as that of the upper port of the second cavity hole 4, and the two ports are connected in a seamless manner; the second cavity hole 4 is of a reverse L shape, the long section of the second cavity hole is a vertical section, the short section of the second cavity hole is a horizontal section, and the port of the horizontal section is arranged in seawater.
In a specific embodiment of this embodiment, the first cavity hole 3 is a truncated cone-shaped cavity hole, and the cross section of the cavity hole is in a shape with a small top and a big bottom; the second cavity hole 4 is a cavity hole with a circular cross section; the upper level of the structure 5 is above sea level.
In one embodiment of this embodiment, there are at least 2 structures 5, and the heights of the structures 5 are arranged in parallel in sequence from high to low.
In one embodiment of this embodiment, the structure 5 is a fixed structure, and at least 2 fixed structures are arranged and fixed as landscape devices; the plurality of structural bodies 5 may be integrally formed or may be formed by splicing individual structural body units.
In one embodiment of this embodiment, the fixed structure is a reinforced concrete block, which is prepared on land, then shipped to a specific site to be installed and dropped, and then directly set on the seabed by its own weight.
As shown in fig. 5, the schematic diagram of the computing principle of the panpipe and fountain structure with holes shows that the design method of the structure 5 in the panpipe and fountain landscape device of the invention is as follows:
according to the wave theory, the continuity theory of hydrodynamics and the Bernoulli equation, the setting principle and the design method of the wave panpipe and sea spring landscape are obtained. For ease of understanding, the design problem of tsunami and spring landscapes can be understood as the problem of small hole outflow and the problem of the application of wave cycle pressure.
The simplest expression considering the wave surface elevation η is:
η=acosωt (1)
the amplitude is a, the wave height is 2a, the wave frequency is ω, and t represents time.
The coordinate of the C section arranged under the water depth H is ZCThe section C is the center of the longitudinal section of the horizontal section of the second cavity hole 4, and the water depth H is the depth distance from the sea level to the second cavity hole 4.
Obtaining the pressure P at the C section under the water depth H according to the wave theorycIs composed of
PC=ρg(η-ZC) (2)
Where ρ represents the sea water density, g represents the gravitational acceleration, and the wave surface elevation η ═ acos ω t.
Obtaining the flow velocity V at the C section under the water depth H according to the orifice outflow theoryCIs composed of
Wherein alpha isCRepresenting the C-section kinetic energy correction coefficient, xiCA coefficient representing the local head loss.
According to the Bernoulli equation, an energy conversion expression from the C section to the B section can be obtained:
wherein, the section B is the lower end surface of the first cavity hole 3; alpha is alphaBRepresents the kinetic energy correction coefficient, V, of the B sectionBRepresents the flow velocity at the B section, hwHead, alpha, representing lossCThe C-section kinetic energy correction coefficient is shown. Setting the center of the B section as a coordinate sourcePosition of point, ZB=0,Zc-H; head of loss ofThereby, it can be simplified to
Considering the wave surface height η ═ acos ω t, it is possible to obtain
Namely:
the coordinate value Z of the cross section at the hole C can be obtained by the formula (7)cHeight H corresponding to-H, flow velocity V at cross-section of orifice BB。
According to the theory of continuity of hydrodynamics, it follows that the radius rAA flow velocity V at the outlet of the section AA:
rB 2VB=rA 2VA (8)
Wherein, the section A is the upper end surface of the first cavity hole 3, rBIs the radius of the first cavity hole 3 at the B section, rAThe radius of the first cavity hole 3 at the A section, the flow velocity V at the outlet of the A sectionAVelocity of flow V at section B of orificeB。
The height H above the spring can be obtained according to the free falling body movementA:
(VA)2=2gHA (9)
The height H above the spring can be established by the formula (1-9)AThe relation between the elevation of the surface of the incident wave can be adjusted by adjusting the straightness of the A-B sectionThe flow speed at the outlet is adjusted, so as to adjust the height H above the springA. From the formula (7), the distance H from the second cavity hole of the structure to the sea surface, that is, the submerging depth at the C-section can be set and adjusted according to the amplitude α.
Known quantities in equations (1) to (9) are: the wave surface height η ═ acos ω t, i.e. the parameters in equation (1), can be obtained from the measured sea wave conditions, and the height H above the spring rushingAAnd the section radius r of the upper end face of the outletARadius r of cross section of lower end surface of outletBAre all designed values, in known amounts; therefore, the flow velocity V at the cross section of the orifice B can be calculated by the formula (8) and the formula (9)B. On the basis, the coordinate value Z of the cross section of the second cavity hole C can be calculated and obtained according to the formula (7)cElevation H for-H.
The installation steps of the panpipe and sea spring landscape decoration of the invention are as follows:
first, the water depth, wave frequency ω, wave amplitude a and height H above the spring rush at a specific sea areaAThe cross-sectional radius r of the upper end face of the outletAThe cross-sectional radius r of the lower end face of the outletBDetermining the initial cross-sectional area of the first cavity hole, and determining the position of the first cavity hole, i.e. the position of the coordinate origin set at the center of the B section, ZB0. The flow velocity V at the cross section of the orifice B can be calculated by the formula (8) and the formula (9)B. On the basis, the coordinate value Z of the cross section of the hole C can be calculated and obtained according to the formula (7)cThe elevation H corresponds to — H, i.e. the depth distance H from the sea level to the center position of the port of the horizontal section of the second cavity hole 4. And designing two corresponding cavity-hole dies according to parameters of the cross sections and the position elevations of the cavities and wave conditions.
Next, for the fixed type seaspring breakwater, the reinforced concrete block was designed and prepared on the land according to the design method of the structure, and the fixed type structure of the present invention was obtained.
Finally, it is shipped to a specific location where it is to be installed.
Example 2
As shown in fig. 3 and 4, in order to save the cost of the landscape apparatus of the present invention, the present embodiment is different from embodiment 1 in that: the fixed structure is replaced by the floating structure, and the specific structure and the design method of the structure are not changed.
In one embodiment of this embodiment, at least 2 floating structures are arranged and fixed to form a floating breakwater.
In one embodiment of this embodiment, the floating breakwater is placed on the bank side by mooring.
In a specific embodiment of this embodiment, the mooring is performed by anchoring a plurality of floating structures in one piece to the sea floor using mooring lines 6.
In a particular embodiment of this embodiment, the mooring lines 6 are connected at one end to the bottom of the floating structure and at the other end to an anchoring foundation 7 fixedly arranged at the sea bottom.
In a specific embodiment of this embodiment, the anchoring base 7 refers to various anchors, preferably pile anchors, normal force anchors, suction anchors.
In one embodiment of this embodiment, as shown in fig. 4, there are at least 4 mooring lines 6; the mooring lines 6, preferably 4, are connected to the bottom of the floating structure at each end of the landscape installation, and two are assigned to each end. The mooring rope can be made of polyester ropes, high-strength polyethylene ropes, nylon ropes and other fiber ropes, and the light materials can reduce the weight of the mooring rope and the volume of the upper buoyancy tank, so that the structure of the device for the whole panpipe and sea spring landscape is optimized.
In one embodiment of this embodiment, the floating structure is lightweight and can float on the surface of the sea.
The invention fully utilizes the structural body with the cavity holes to convert the wave energy into the gravitational potential energy, and the proposed sea spring landscape structure has the advantages of environmental protection and beauty, and directly utilizes the ocean waves to provide the panpipe sea spring landscape near the shore. Moreover, the landscape device is convenient to install on the breakwater near the open sea and the island reef, provides a new environment-friendly scheme for the construction of the breakwater, and has innovation.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. The industry has described the principles of the invention, and variations and modifications are possible without departing from the spirit and scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. The utility model provides a pan flute sea spring view device based on wave energy which characterized in that: the structure comprises at least two structures and a cavity hole which is formed in the structures in a penetrating mode, wherein the cavity hole comprises a first cavity hole and a second cavity hole, an upper port of the first cavity hole is flush with an upper plane of the structures, a lower port of the first cavity hole is the same as an upper port of the second cavity hole in diameter, and the two ports are connected in a seamless mode; the second cavity hole is of a reverse L shape, the long section of the second cavity hole is a vertical section, the short section of the second cavity hole is a horizontal section, and a port of the horizontal section is arranged in seawater and is in a state of being submerged by the seawater;
the first cavity hole is a circular truncated cone-shaped cavity hole, and the cross section of the first cavity hole is in a shape with a small upper part and a big lower part; the second cavity hole is a cavity hole with a circular cross section; the upper plane of the structure is higher than the sea level; the height of the structural bodies is arranged in parallel from high to low in sequence.
2. The pan-pipes and fountain landscape apparatus according to claim 1, wherein the wave energy based device comprises: the structure comprises fixed structures or floating structures, at least 2 fixed structures are arranged and fixed as landscape devices, and at least 2 floating structures are arranged and fixed as floating anti-wave lifts.
3. The pan-pipes and fountain landscape apparatus according to claim 2, wherein the wave energy based device comprises: the fixed structure is a reinforced concrete block.
4. The pan-pipes and fountain landscape apparatus according to claim 2, wherein the wave energy based device comprises: and the floating wave-resistant elevator is arranged in the sea area in an anchoring mode.
5. The pan-pipes and fountain landscape apparatus according to claim 4, wherein the wave energy based device comprises: the anchoring mode is that a plurality of integrated floating structural bodies are fixed on the seabed by mooring cables.
6. The panpipe and sea spring landscape apparatus according to claim 5, wherein the apparatus comprises: one end of the mooring cable is connected with the bottom of the floating structure body, and the other end of the mooring cable is connected with an anchoring foundation fixedly arranged on the sea bottom.
7. The pan-pipes and fountain landscape apparatus according to claim 6, wherein the wave energy based device comprises: at least 4 mooring lines are provided.
8. A design method of a structural body in a pan-pipes and sea springs landscape device is characterized in that: the structure of any one of claims 2 to 7 is designed as follows:
obtaining a setting principle and a design method of the sea spring landscape of the wave panpipes according to a wave theory, a continuity theory of hydrodynamics and a Bernoulli equation;
the expression for the height η of the wave surface is taken into account:
η=acosωt (1)
then, the amplitude is a, the wave height is 2a, the wave frequency is ω, and t represents time;
the coordinate of the C section arranged under the water depth H is ZCThe section C is the center of the longitudinal section of the horizontal section of the second cavity hole, and the water depth H is the depth distance from the sea level to the second cavity hole;
obtaining the pressure P at the C section under the water depth H according to the wave theorycIs composed of
PC=ρg(η-ZC) (2)
Wherein ρ represents the sea water density, g represents the gravity acceleration, and the wave surface elevation η ═ acos ω t;
obtaining the flow velocity V at the C section under the water depth H according to the orifice outflow theoryCIs composed of
Wherein alpha isCRepresenting the C-section kinetic energy correction coefficient, xiCA coefficient representing a local head loss;
obtaining an energy conversion expression from the C section to the B section according to a Bernoulli equation:
wherein, the section B is the lower end surface of the first cavity hole 3; alpha is alphaBRepresents the kinetic energy correction coefficient, V, of the B sectionBRepresents the flow velocity at the B section, hwHead, alpha, representing lossCRepresenting the kinetic energy correction coefficient of the C section; setting the center of the B section as the position of the origin of coordinates, ZB=0,Zc-H; head of loss ofThereby simplifying into
Considering the wave surface height eta ═ acos ω t, the wave surface height eta is obtained
Namely:
obtaining the coordinate value Z of the section of the hole C by the formula (7)cElevation H corresponding to H, and flow velocity V at the cross-section of orifice BB;
According to the continuity theory of hydrodynamics, the radius r is obtainedAA flow velocity V at the outlet of the section AA:
rB 2VB=rA 2VA (8)
Wherein, the section A is the upper end surface of the first cavity hole 3, rBIs the radius of the first cavity hole 3 at the B section, rAThe radius of the first cavity hole 3 at the A section, the flow velocity V at the outlet of the A sectionAVelocity of flow V at section B of orificeB;
According to the movement of the free falling body, the height H above the sea spring can be obtainedA:
(VA)2=2gHA (9)
Establishing the height H above the spring by the formula (1-9)AAdjusting the flow velocity at the outlet by adjusting the diameter of the A-B cross-section, as a function of the elevation of the incident wave surface, to adjust the height H above the spring's gushA(ii) a And (3) setting and adjusting the distance H of the second cavity hole of the structure from the sea surface according to the amplitude alpha by the formula (7), namely setting the submerging depth at the section C.
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Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103243939A (en) * | 2013-04-27 | 2013-08-14 | 天津大学 | Seascape fountain system utilizing tide-type water inflow pool pressure difference |
CN103806408A (en) * | 2012-11-08 | 2014-05-21 | 长沙理工大学 | Porous floating breakwater suitable for long waves |
CN106861996A (en) * | 2017-02-22 | 2017-06-20 | 李欣泽 | The batch (-type) fountain that a kind of utilization wave is built |
CN110172948A (en) * | 2019-07-02 | 2019-08-27 | 江苏科技大学 | One kind gushing spray formula floating breakwater and system |
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US6935760B2 (en) * | 2003-09-09 | 2005-08-30 | Yoseph Bar-Cohen | Ultrasonically induced plumbing-free controllable plurality of fountains and fog (ULIFOG) |
-
2021
- 2021-05-07 CN CN202110495460.6A patent/CN113202052B/en active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103806408A (en) * | 2012-11-08 | 2014-05-21 | 长沙理工大学 | Porous floating breakwater suitable for long waves |
CN103243939A (en) * | 2013-04-27 | 2013-08-14 | 天津大学 | Seascape fountain system utilizing tide-type water inflow pool pressure difference |
CN106861996A (en) * | 2017-02-22 | 2017-06-20 | 李欣泽 | The batch (-type) fountain that a kind of utilization wave is built |
CN110172948A (en) * | 2019-07-02 | 2019-08-27 | 江苏科技大学 | One kind gushing spray formula floating breakwater and system |
Non-Patent Citations (1)
Title |
---|
《高压水射流自进式喷头自进能力分析与参数优化》;陈伟;《中国优秀博硕士学位论文全文数据库(硕士) 工程科技Ⅰ辑》;20190715;第4、13-14、17-19页 * |
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