CN110274748A - The acquisition methods of the wavelength and wave height of steady motion of a fluid Steady Wave wave simulator and corresponding wave - Google Patents
The acquisition methods of the wavelength and wave height of steady motion of a fluid Steady Wave wave simulator and corresponding wave Download PDFInfo
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- CN110274748A CN110274748A CN201910652348.1A CN201910652348A CN110274748A CN 110274748 A CN110274748 A CN 110274748A CN 201910652348 A CN201910652348 A CN 201910652348A CN 110274748 A CN110274748 A CN 110274748A
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- 238000009533 lab test Methods 0.000 abstract description 2
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/02—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M10/00—Hydrodynamic testing; Arrangements in or on ship-testing tanks or water tunnels
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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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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/30—Energy from the sea, e.g. using wave energy or salinity gradient
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Abstract
The invention discloses a kind of steady motion of a fluid Steady Wave wave simulators, are mounted on sink, comprising: buoyancy tank rides unrestrained wave generating device and undercurrent generating device；Wherein, riding unrestrained wave generating device includes: the cross bar being fixed on sink, is set on cross bar and connects the gear ratch engaging mechanism of buoyancy tank；Undercurrent generating device includes: the vertical bar that across buoyancy tank and one end is fixedly connected with cross bar, the propeller being rotatablely connected with the other end of vertical bar；The invention also discloses the acquisition methods of a kind of steady motion of a fluid Steady Wave wavelength and wave height.Unrestrained wave generating device and undercurrent generating device is arranged simultaneously in steady motion of a fluid Steady Wave wave simulator provided by the invention, can riding simulation wave occur when wave state, underwater undercurrent can be simulated again, and it can generate simultaneously, it is ridden under wave-like state and the complex situations of adjoint undercurrent influence convenient for laboratory test, the movement and stress condition of ship.
Description
Technical field
The present invention relates to wave making epparatus technical fields, more specifically to a kind of steady motion of a fluid Steady Wave wave simulator, also
It is related to the acquisition methods of a kind of steady motion of a fluid Steady Wave wavelength and wave height.
Background technique
It is total in paddle thrust, resistance and wave force when certain high speed fishing boats and naval vessels navigate by water under substantially following sea and tail oblique wave
Unrestrained movement can be ridden under same-action, ship accelerates to velocity of wave and is captured by wave under the action of wave thrust at this time, ship and
The relative position of wave is basically unchanged.Vessel stability is substantially weakened after riding wave and occurring, then is influenced with underwater undercurrent, pole
Easily topple.Therefore measured by testing ride wave-like state and with undercurrent influence complex situations under, the movement of ship and
Stress condition is most important；And wave and the coefficient complex state of underwater undercurrent are firstly the need of solution when the generation of riding simulation wave
Certainly the problem of.
Summary of the invention
In view of this, the first purpose of this invention is to provide a kind of steady motion of a fluid Steady Wave wave simulator, the steady motion of a fluid
The structure design of Steady Wave wave simulator can riding simulation wave occur after wave state and simulate the state of underwater undercurrent；
Second object of the present invention is to provide the acquisition methods of a kind of steady motion of a fluid Steady Wave wavelength and wave height, using this method, incite somebody to action
The condition conversion of the wave got is the data that laboratory needs.
In order to reach first purpose, the invention provides the following technical scheme:
A kind of steady motion of a fluid Steady Wave wave simulator, is mounted on sink, comprising:
Buoyancy tank rides unrestrained wave generating device and undercurrent generating device；
Wherein, riding unrestrained wave generating device includes:
The both ends of cross bar, cross bar are fixed on sink,
Gear ratch engaging mechanism, gear are rotationally connected on cross bar, and ratch engages connection, and one end and buoyancy tank with gear
It is fixedly connected；
Undercurrent generating device includes:
Vertical bar, vertical bar passes through buoyancy tank, and one end is fixedly connected with cross bar,
The other end of propeller, propeller and vertical bar is rotatablely connected.
Preferably, riding unrestrained wave generating device includes two cross bars, and fixed reinforcing rod is arranged between two cross bars.
Preferably, two sleeve gear ratch engaging mechanisms are symmetrical arranged on every cross bar.
Preferably, rotation hand handle is provided at the shaft of gear.
Preferably, riding unrestrained wave generating device further includes locking system, and locking system includes:
U-shaped board is fixed on cross bar,
Locking is cut down, and is symmetrically disposed on the two sides of U-shaped board；
The groove that ratch passes through U-board is arranged；
Rotary locking is cut down, and locking, which is cut down, resists ratch, hinders the up and down motion of ratch.
Preferably, undercurrent generating device further include:
First drive rod, the first drive rod passes through buoyancy tank, and one end engages connection with gear,
Second drive rod, one end of the second drive rod engage connection with the other end of the first drive rod, the second drive rod
The other end engages connection with propeller.
Preferably, undercurrent generating device includes at least two vertical bars, and corresponding propeller at least two, propeller is successively
Connection is engaged with the second drive rod.
Preferably, one end side of vertical bar setting propeller is connected with mounting plate, and the second drive rod passes through mounting plate, with peace
Loading board rotation connection.
A kind of acquisition methods of steady motion of a fluid Steady Wave wavelength and wave height are obtained using above-mentioned steady motion of a fluid Steady Wave wave simulator
The steady motion of a fluid is taken,
The flow velocity of the steady motion of a fluid and the submergence of buoyancy tank are measured,
It is solved using math equation and obtains wavelength and wave height.
Preferably, it is solved using math equation and obtains wavelength and wave height, comprising:
Establish the velocity potential function in flow field；
Using the numerical value of complicated Green Function Method solving speed gesture；
The velocity potential of any one site in flow field is acquired by source point superposition in cross sectional boundary；
Obtain corrugated equation；
Obtain the corresponding wavelength of any one site and wave height.
The present invention provides steady motion of a fluid Steady Wave wave simulator, which is arranged unrestrained wave simultaneously to reach first purpose
Generating device and undercurrent generating device wave state of riding simulation wave when occurring and can simulate underwater undercurrent, and can be same
Shi Shengcheng；By being cleverly arranged, the generation position of undercurrent not with the up and down and up and down of riding simulation wave generating device,
Meet feature when undercurrent occurs, i.e., it is constant with the relative position of bottom surface, the state that undercurrent really occurs utmostly is restored, just
Under the complex situations that laboratory test rides wave-like state and influences with undercurrent, the movement and stress condition of ship.
A second object of the present invention is to provide the acquisition methods of a kind of steady motion of a fluid Steady Wave wavelength and wave height, utilize the party
Method, the condition conversion for the wave that will acquire are the data that laboratory needs.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
The structure and stable state waveform that Fig. 1 is the steady motion of a fluid Steady Wave wave simulator of first embodiment of the invention are at schematic diagram；
Fig. 2 is the structural schematic diagram of the steady motion of a fluid Steady Wave wave simulator of second embodiment of the invention；
Fig. 3 is locking system structural schematic diagram；
Fig. 4 is the flow chart of the acquisition methods of steady motion of a fluid Steady Wave wavelength of the present invention and wave height；
Fig. 5 is the specific flow chart provided by the invention for being solved using math equation and obtaining wavelength and wave height.
It is marked in attached drawing as follows:
Buoyancy tank 10, cross bar 21, gear 22, ratch 23, fixed reinforcing rod 24 rotate hand handle 25, locking system 26, U-shaped version
26a, lock valve 26b, gasket 26c, strip-shaped hole 27, vertical bar 31, propeller 32, the first drive rod 33, the second drive rod 34, installation
Plate 35, connecting plate 36, the flow velocity U of steady motion of a fluid M, steady motion of a fluid M, Steady Wave N.
Specific embodiment
The embodiment of the invention discloses a kind of steady motion of a fluid Steady Wave wave simulator, with can riding simulation wave occur when wave
State, and underwater undercurrent can be simulated；
Wherein, wave state cardinal principle when riding simulation wave occurs is to make stream function using wave current sink, when having one
When the steady motion of a fluid M of constant current speed U is by the buoyancy tank 10 of semi-immersed fixation, waveform can be generated at 10 rear of buoyancy tank and is not changed over time
Permanent wave making, test ship model is placed in this permanent wave making, can be with the opposite of ship under riding simulation wave-like state and wave
The operating condition that position remains unchanged, and then realize the measurement for riding ship stress and motion conditions under wave-like state, therefore, this permanent wave making
As unrestrained wave is ridden needed for riding simulation wave-like state --- Steady Wave N；It is different that buoyancy tank 10 is acquired using the calculating of related mathematical function
The wavelength X and wave height H of Steady Wave N under depth of immersion d and flow velocity U, the depth submerged by the flow velocity U and buoyancy tank 10 that change steady motion of a fluid M
D is spent to change the wavelength X and wave height H of Steady Wave N, namely changes the wave state ridden when wave occurs；Wherein depth of immersion d, Gu Mingsi
Justice, i.e. depth in 10 encroached water of buoyancy tank, and the flow velocity U of steady motion of a fluid M is mainly the speed to be moved up and down in water by buoyancy tank 10
It determines；
And simulate underwater undercurrent and be then convenient under the complex situations that laboratory testing analysis rides wave-like state and adjoint undercurrent influences,
The movement and stress condition of ship.
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Referring to Fig. 1, in the first embodiment, steady motion of a fluid Steady Wave wave simulator provided by the invention is mounted on sink
On, comprising: buoyancy tank 10 rides unrestrained wave generating device and undercurrent generating device；
Riding unrestrained wave generating device includes: cross bar 21 and gear ratch engaging mechanism；Wherein, the both ends of cross bar 21 are fixed on water
On slot；Gear ratch engaging mechanism mainly includes gear 22 and ratch 23, and gear 22 is rotationally connected on cross bar 21, ratch 23 with
The engagement connection of gear 22, and one end of ratch 23 is fixedly connected with buoyancy tank 10；
Specifically, opening up a strip-shaped hole 27 on cross bar 21, gear 22 is set in strip-shaped hole 27, the shaft and cross of gear 22
Bar 21 is rotatablely connected；Ratch 23 passes through strip-shaped hole 27 and engages connection with gear 22, and the lower end of ratch 23 is fixedly attached to buoyancy tank 1
Top；
More specifically, strip-shaped hole 27 is close in the side that ratch 23 is not engaged with gear 22, herein can be in ratch 23 and bar shaped
The lubricants such as 27 coating lubricating oil of hole, naturally it is also possible to which sliding rail at one is set between ratch 23 and strip-shaped hole 27, as long as guaranteeing
For ratch 23 in the relative motion up and down with strip-shaped hole 27, friction is small；
Rotate gear 22, since cross bar 21 is fixed on sink, gear 22 drives ratch 23 and then drives floating
Case 10 moves up and down, that is, changes the depth of immersion d of buoyancy tank 10, the generation of riding simulation wave wave；And the speed of rotate gear 22 is different, drives
The speed that buoyancy tank 10 moves up and down also is different, and the flow velocity U of corresponding steady motion of a fluid M is different, and that simulates different conditions rides unrestrained wave
Generation.
Undercurrent generating device includes:
Vertical bar 31 and propeller 32, wherein vertical bar 31 passes through buoyancy tank 10, and upper end is fixedly connected with cross bar 21, propeller 32
The lower end of vertical bar 31 is rotatablely connected；
Specifically, making wave to guarantee that buoyancy tank 10 is normally up and down, though vertical bar 31 passes through buoyancy tank 10, still need to protect
The airtightness of buoyancy tank 10 is held, during fabrication, outflow hole location passes through buoyancy tank 10 for vertical bar 31；Propeller 32 mainly includes flabellum
And shaft, the lower end side aperture of vertical bar 31 pass through the shaft of propeller 32, are rotatablely connected with vertical bar 31, rotate spiral shell
The shaft of paddle 32 is revolved, the raw vortex of fan blade rotating movable property simulates the generation of undercurrent；At this point, the plane of rotation of flabellum should be produced perpendicular to the water surface
Raw undercurrent direction is parallel with the water surface.
Further, riding unrestrained wave generating device includes two cross bars 21, and fixed reinforcing rod 24 is arranged between two cross bars 21；Such as
This setting, stability when mainly guarantee buoyancy tank 10 moves up and down.
Further, two sleeve gear ratch engaging mechanisms are symmetrical arranged on every cross bar 21, in this way, share 4 sets
Gear ratch engaging mechanism is between each other linkage setting, it is only necessary to rotate the gear 22,4 in set of gears ratch engaging mechanism
Ratch 23 in sleeve gear ratch engaging mechanism can relative motion up and down simultaneously；So set, being further ensured that on buoyancy tank 10
Stability when lower movement.
Further, rotation hand handle 25 is provided at the shaft of gear 22；
Specifically, rotation hand handle 25 is set to the outside of strip-shaped hole 27, the fixed company of the shaft of rotation hand handle 25 and gear 22
It connects, the form for rotating hand handle 25 is unlimited, can be stick-like object, is also possible to crank shape, as long as convenient and strength-saving turning gear
Wheel 22；So set, being convenient for rotate gear 22；Certainly in other embodiments, gear 22 can also be by other modes
Driving, such as motor, the driving method of the unlimited gear 22 of the present invention.
Fig. 1 and Fig. 3 are please referred to, further, riding unrestrained wave generating device further includes locking system 26, and locking system 26 wraps
It includes:
U-shaped board 26a, locking cut down 26b, wherein U-shaped board 26a is fixed on cross bar 21, and locking cuts down 26b and is symmetrical arranged
In the two sides of U-shaped board 26a；Ratch 23 passes through the groove of U-board 26a；
Specifically, being fixedly connected with locking system 26 at the strip-shaped hole 27 of cross bar 21, wherein locking system 26 can only be set
It sets in the upside of cross bar 21, can also be respectively provided with the two sides up and down of cross bar 21；Ratch 23 is also cross strip-shaped hole 27 and U-board
The groove of 26a；Rotary locking cuts down 26b, so that locking is cut down 26b and resists ratch 23, hinders the up and down motion of ratch 23；Further,
Locking cuts down 26b and rubber pad is arranged close to the side of ratch 23, can increase locking and cut down friction of the 26b to ratch 23；
When generating the Steady Wave N needed, stop operating gear 22, and rotation locking cuts down 26b, increases locking and cuts down 26b to tooth
The friction of bar 23 makes ratch 23 no longer occur to relatively move up and down, and buoyancy tank 10 is fixed on current location, current convenient for measuring
Steady Wave N and underwater undercurrent situation.
Referring to Fig. 2, in a second embodiment, further, undercurrent generating device further include:
First drive rod 33 and the second drive rod 34, wherein the first drive rod 33 passes through buoyancy tank 10, and the first drive rod 33
Upper end engage connection with gear 22；One end of second drive rod 34 engages connection with the lower end of the first drive rod 33, and second passes
The other end of lever 34 engages connection with the shaft of propeller 32；
Specifically, the first drive rod 33 is screw rod or the first drive rod 33 and gear 22 (the second drive rod 34) is nibbled
Mesh piece is set at conjunction；Second drive rod 34 is similarly arranged；Preferably, the first drive rod 33 and the second drive rod 34 are in engagement place
Mesh piece is set；So set, keeping engagement more smooth.
So set, gear 22 drives the rotation of the first drive rod 33, and then drives the second drive rod 34 when rotate gear 22
Rotation, it is final that propeller 32 is driven to rotate, the driving device for individually rotating propeller 32 can be saved, and can make to ride unrestrained wave
It generates, disappear simultaneously with undercurrent.
Further, undercurrent generating device includes at least two vertical bars 31, corresponding propeller 32 at least two；It is excellent
The undercurrent generating device of choosing includes two vertical bars 31, and corresponding propeller 32 is two；Propeller is successively nibbled with the second drive rod
Close connection；So set, being engaged convenient for the second drive rod 34 and propeller 32, and the undercurrent that generation is bigger.
Further, one end side that propeller 32 is arranged in vertical bar 31 is connected with mounting plate 35, and the second drive rod 34 is worn
Mounting plate 35 is crossed, is rotatablely connected with mounting plate 35；So set, playing effect fixed up and down to the second drive rod 34.
Further, bearing (not shown) or the first drive rod are set between the first drive rod 33 and cross bar 21
Bearing is set between 33 and buoyancy tank 10, it is preferred that bearing is set between the first drive rod 33 and cross bar 21, meanwhile, the first transmission
Bearing is set between bar 33 and buoyancy tank 10；
Specifically, being additionally provided with connecting plate 36 at cross bar 21, bearing, buoyancy tank 10 and first are fixedly connected in connecting plate 36
33 intersection of drive rod is also fixedly connected with bearing, and the first drive rod 33 is fixedly connected with bearing, so set, being driven to first
Bar 33 plays effect fixed up and down.
Referring to Fig. 4, a second object of the present invention is to provide the acquisition sides of a kind of steady motion of a fluid Steady Wave wavelength and wave height
Method:
S01: steady motion of a fluid M is obtained；
S02: the flow velocity U of the measurement steady motion of a fluid M and submergence d of buoyancy tank 10；
S03: it is solved using math equation and obtains wavelength X and wave height H.
Specifically, S01 mainly obtains steady motion of a fluid M using steady motion of a fluid Steady Wave wave simulator provided by the invention；
Specifically, S02, the flow velocity U of measurement steady motion of a fluid M can use the existing equipments such as current meter and be measured, and measurement is floating
The submergence d of case 10 then can use the existing measuring device measurement such as gage, and specific mensuration means, the present invention is with no restrictions；
Specifically, S03, is solved using math equation and obtain wavelength X and wave height H, provide in one embodiment following
Data equation solution wavelength X and wave height H:
S31: establishing the velocity potential function φ (x, z) in flow field,
The partial differential equation that the velocity potential function φ (x, z) in flow field meets are as follows:
S32: using the numerical value of complicated Green Function Method solving speed gesture, Green's function is as follows:
It wherein, is that ε=(y, z) and ζ=(η, ξ) is site P and source point Q coordinate, P.V. represent principal value integral.
S33: acquiring the velocity potential of any one site in flow field by source point superposition in cross sectional boundary,
The velocity potential of any one site P can be acquired by source point Q superposition in cross sectional boundary in flow field:
S34: corrugated equation is obtained；Corrugated equation are as follows:
S35: obtaining the corresponding wavelength X of any one site and wave height H, obtains the corresponding Steady Wave N of the point by corrugated equation
Wavelength X and wave height H.
Wavelength X and wave height H are obtained it should be noted that solving using other math equations, function, algorithm, as long as
It is to generate steady motion of a fluid M using steady motion of a fluid Steady Wave wave simulator provided by the invention, carries out relevant solution on this basis, all
Within the scope of the present invention, the present invention to the math equation of solution with no restrictions and protection.
Illustrate this programme by taking a preferred embodiment as an example below.
In a preferred embodiment, steady motion of a fluid Steady Wave wave simulator includes 10, two cross bars 21, every cross of buoyancy tank
Two groups are symmetrical arranged on bar 21 and rides unrestrained wave generating device, wherein being fixedly connected with two vertical bars 31 on the downside of a cross bar 21, two perpendicular
Bar 31 passes through buoyancy tank 10 and enters buoyancy tank lower part (below the water surface), and two 31 lower ends of vertical bar are rotatably connected to propeller 32, wherein spiral shell
Rotation paddle 32 passes sequentially through the second drive rod 34 and the first drive rod 33 is connect with gear 22；
Rotation rotation hand handle 25, band moving gear 22 rotate, and one side gear 22 drives ratch 23 and then drives on buoyancy tank 10
Unrestrained wave is ridden in lower movement generation；On the other hand, gear 22 drives the first drive rod 33 and then drives the second drive rod 34, final to drive
Propeller 32 rotates, and simulation generates undercurrent.
The acquisition methods of the Steady Wave N wavelength λ and wave height H of steady motion of a fluid M, details are not described herein again.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, the same or similar parts in each embodiment may refer to each other.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (10)
1. a kind of steady motion of a fluid Steady Wave wave simulator, is mounted on sink characterized by comprising
Buoyancy tank rides unrestrained wave generating device and undercurrent generating device；
Wherein, described to ride unrestrained wave generating device and include:
Cross bar, the both ends of the cross bar are fixed on the sink,
Gear ratch engaging mechanism, gear are rotationally connected on the cross bar, and ratch engages connection with the gear, and one end with
The buoyancy tank is fixedly connected；
The undercurrent generating device includes:
Vertical bar, the vertical bar passes through the buoyancy tank, and one end is fixedly connected with the cross bar,
The other end of propeller, the propeller and the vertical bar is rotatablely connected.
2. steady motion of a fluid Steady Wave wave simulator according to claim 1, which is characterized in that described to ride unrestrained wave generating device packet
Two cross bars are included, fixed reinforcing rod is set between two cross bars.
3. steady motion of a fluid Steady Wave wave simulator according to claim 2, which is characterized in that symmetrically set on every cross bar
Set two sets of gear ratch engaging mechanisms.
4. steady motion of a fluid Steady Wave wave simulator according to claim 1-3, which is characterized in that the gear turns
Rotation hand handle is provided at axis.
5. steady motion of a fluid Steady Wave wave simulator according to claim 4, which is characterized in that described to ride unrestrained wave generating device also
Including locking system, the locking system includes:
U-shaped board is fixedly installed on the cross bar,
Locking is cut down, and is symmetrically disposed on the two sides of the U-shaped board；
The groove that the ratch passes through the U-board is arranged；
It rotates the locking to cut down, the locking, which is cut down, resists the ratch, hinders the up and down motion of the ratch.
6. steady motion of a fluid Steady Wave wave simulator according to claim 1-3, which is characterized in that the undercurrent occurs
Device further include:
First drive rod, first drive rod passes through the buoyancy tank, and connection is engaged with the gear in one end,
Second drive rod, one end of second drive rod engage connection with the other end of first drive rod, and described second
The other end of drive rod engages connection with the propeller.
Steady motion of a fluid Steady Wave wave simulator.
7. steady motion of a fluid Steady Wave wave simulator according to claim 6, which is characterized in that the undercurrent generating device includes
At least two vertical bars, the corresponding propeller at least two, the propeller are successively nibbled with second drive rod
Close connection.
8. steady motion of a fluid Steady Wave wave simulator according to claim 7, which is characterized in that the spiral is arranged in the vertical bar
One end side of paddle is connected with mounting plate, and second drive rod passes through the mounting plate, is rotatablely connected with the mounting plate.
9. a kind of acquisition methods of steady motion of a fluid Steady Wave wavelength and wave height, which is characterized in that exploitation right 1-8 is described in any item fixed
Often stream Steady Wave wave simulator obtains the steady motion of a fluid,
The flow velocity of the steady motion of a fluid and the submergence of the buoyancy tank are measured,
It is solved using math equation and obtains the wavelength and the wave height.
10. the acquisition methods of steady motion of a fluid Steady Wave wavelength and wave height according to claim 9, which is characterized in that the benefit
It is solved with math equation and obtains the wavelength and the wave height, comprising:
Establish the velocity potential function in flow field；
The numerical value of the velocity potential is solved using complicated Green Function Method；
The velocity potential of any one site in flow field is acquired by source point superposition in cross sectional boundary；
Obtain corrugated equation；
Obtain the corresponding wavelength of any one site and the wave height.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112648960A (en) * | 2021-01-18 | 2021-04-13 | 新疆大学 | Method for calculating distance between far-shore dam and near-shore dam of lake bank |
| CN116902164A (en) * | 2023-09-14 | 2023-10-20 | 常州市戍海智能技术有限公司 | Unmanned ship navigation stability performance simulation test system |
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