CN107389301B - Bow dome stream swashs surging pressure test model - Google Patents
Bow dome stream swashs surging pressure test model Download PDFInfo
- Publication number
- CN107389301B CN107389301B CN201710617387.9A CN201710617387A CN107389301B CN 107389301 B CN107389301 B CN 107389301B CN 201710617387 A CN201710617387 A CN 201710617387A CN 107389301 B CN107389301 B CN 107389301B
- Authority
- CN
- China
- Prior art keywords
- steel case
- transmitting window
- sound transmitting
- rear portion
- swashs
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Aerodynamic Tests, Hydrodynamic Tests, Wind Tunnels, And Water Tanks (AREA)
Abstract
The present invention relates to a kind of bow dome streams to swash surging pressure test model, including sound transmitting window, sound transmitting window are made using glass reinforced plastic, and the top installation top steel case of sound transmitting window, rear portion steel case is installed at the rear portion of sound transmitting window；The external line style of sound transmitting window carries out reduced scale according to the line style of practical pod sound transmitting window and determines；Top steel case carries out reduced scale according to actual hull structural type line chart and determines with rear portion steel case for simulating the Ship Structure being connected with practical pod sound transmitting window, the exterior contour of top steel case, and the molded line of rear portion steel case carries out flow field smooth transition adjustment；Sound transmitting window housing outer surface arrangement is equipped with pressure sensor.The present invention can meet pod turbulence driver characteristic test demand, swash noise for Ship ' pod stream and provide data supporting；Successfully solves the problems, such as pod surface fluctuation pressure acquisition of information, expenditure of construction and experimentation cost needed for can substantially reducing real scale prototype test have biggish economic benefit.
Description
Technical field
The present invention relates to ship model design fields, and in particular to a kind of sharp surging pressure test of bow dome stream
Model.
Background technique
Modern large and medium-sized above water craft bow bottom is configured with bow detection integrated sonar basic matrix mostly, in order to avoid water flow pair
The impact of sonar transducer array makes basic matrix from the direct interference of " pseudo- sound ", pod is usually configured outside sonar transducer array.
For ship, the pod molded line optimization of bow sonar is not only the emphasis of overall rapidity design, and
The important process direction that self noise controls in pod.It is required to meet the control of acoustic instrument working region self noise, water conservancy diversion
When usually considering ship navigating in cover molded line optimization design, by the control of the pod structural radiation noise of turbulence driver.No
The corresponding turbulence driver of same pod molded line is different.At the initial stage of design, it is necessary to which being optimized by molded line, which reduces turbulent surface flow, swashs
Encourage fluctuation pressure.However, being connected due to influencing pod with Ship Structure, the turbulent environment of itself work is influenced by Ship Structure
It is larger.When designing a model, is influenced to eliminate connected Ship Structure, whole ship scale model is designed, in test facilities limit of power
Interior, reduced scale is bigger, destroys Reynolds approximate condition relevant to turbulence characteristic；If choosing partial model, how model is eliminated
Flow caused by boundary is mutated becomes problem.Therefore, suitable turbulence driver test model is designed, is always to restrict this
Test the bottleneck problem carried out.
Summary of the invention
The technical problem to be solved in the present invention is that in view of the deficiency of the prior art, providing a kind of bow sonar
Pod stream swashs surging pressure test model, its approximate naval vessel pod working environment can complete water conservancy diversion by this model
Cover turbulent surface flow exciting test, to realize the purpose of the pod molded line optimization design work based on pod turbulence driver.
The present invention is technical solution used by solving technical problem set forth above are as follows:
A kind of sharp surging pressure test model of bow dome stream, including sound transmitting window, the sound transmitting window use rigidity
Equivalent rigid body surface requirements can be met, the composite material that has good sound translative performance is made, the top peace of the sound transmitting window
Rear portion steel case is installed at dress top steel case, the rear portion of the sound transmitting window；The external line style of the sound transmitting window is saturating according to practical pod
The line style of sound window carries out reduced scale and determines；The top steel case and rear portion steel case are used to simulating to be connected with practical pod sound transmitting window
Ship Structure, the exterior contour of the top steel case carry out reduced scale according to actual hull structural type line chart and determine, the rear portion steel
The molded line of case carries out flow field smooth transition adjustment；The sound transmitting window housing outer surface arrangement is equipped with pressure sensor and acceleration
Sensor.
In above scheme, the sound transmitting window is made using glass reinforced plastic.
In above scheme, the pressure sensor and acceleration transducer are maximum section vertical along the sound transmitting window shell respectively
The circumferential left and right sides is evenly arranged at face and at longitudinal maximum radius, and the pressure sensor and acceleration transducer close
It is arranged symmetrically in the central fore-and-aft vertical plane of model.
In above scheme, the pressure sensor and acceleration transducer are fixedly installed in described by way of drilling
Encapsulation process, the pressure sensor and acceleration transducer are carried out behind the outer surface of sound window shell and the sound transmitting window shell is tight
Patch, seamless and surface smoothing.
In above scheme, the inner surface of the sound transmitting window is welded with square steel rib cage and square steel keel, the square steel rib cage and
The surface of square steel keel passes through GRP mold and is wrapped up；The square steel rib cage includes transverse frame and longitudinal rib cage, institute
It states transverse frame to be set at the maximum radius of the sound transmitting window longitudinal direction, and extends upwardly to the top steel case；The longitudinal rib
Bone is set at the vertical maximum cross-section of the sound transmitting window, and extands rearward to rear portion steel case.
In above scheme, the top steel case is formed using structure steel fabrication, and the top steel case is set at central fore-and-aft vertical plane
Have top steel case longitudinal bulkhead, and respectively 1/5 and rear 1/4 before model at setting at the top of steel case transverse bulkhead.
In above scheme, the rear portion steel case is formed using structure steel fabrication, and the rear portion steel case setting rear portion steel case is vertical
Bulkhead, the rear portion steel case longitudinal bulkhead and the top steel case longitudinal bulkhead are in same vertical section.
It further include external attached body structure in above scheme, the attached body structure in outside includes being horizontally installed to the top
The arris of the NACA aerofoil profile of steel case front end, the NACA aerofoil profile carries out chamfered, and fairing is closed after the rear part suitably extends.
In above scheme, the attached body structure in outside further includes tapering transition knot after being installed on the rear portion steel case
Structure, the transition structure that tapers are spliced by two transition aerofoil profiles, and the transition structure that tapers is made by glass reinforced plastic.
In above scheme, the attached body structure in outside further includes the preceding drawbar and rear drawbar being installed at the top of model, described
The periphery of preceding drawbar and rear drawbar is enclosed with drawbar blower inlet casing, and the drawbar blower inlet casing is NACA aerofoil profile.
The beneficial effects of the present invention are:
Bow dome stream of the invention swashs the external line style of the sound transmitting window of surging pressure test model according to reality
The line style of pod sound transmitting window carries out reduced scale and determines, being capable of true simulation pod entrant sound window outside surface flow field；Top steel
The exterior contour of case carries out reduced scale according to actual hull structural type line chart and determines, the molded line of rear portion steel case carries out flow field smooth transition
Adjustment, it is ensured that the generation of separation vortex when eliminating test reduces the influence to test result；The attached body structure design in the outside of model,
Torrent will not be generated when test model being made to run at high speed；The pressure sensor and add that sound transmitting window housing outer surface reasonable Arrangement is installed
Velocity sensor can obtain accurate pod sound transmitting window position turbulence driver fluctuating pressure distribution information.
Bow dome stream of the invention, which swashs surging pressure test model, can meet the survey of pod turbulence driver characteristic
Examination demand swashs noise for Ship ' pod stream and provides data supporting；The pod test model design method of formation, has
Versatility can provide guidance for ship pod multi-scheme molded line Optimized model Experimental Comparison；Pass through the pod test model
Design, successfully solves the problems, such as pod surface fluctuation pressure acquisition of information, can substantially reduce needed for real scale prototype test
Expenditure of construction and experimentation cost have biggish economic benefit.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples, in attached drawing:
Fig. 1 is the perspective view that bow dome stream of the invention swashs surging pressure test model；
Fig. 2 is bowing for the test sensor arrangement that bow dome stream shown in FIG. 1 swashs surging pressure test model
View；
Fig. 3 is the side for the test sensor arrangement that bow dome stream shown in FIG. 1 swashs surging pressure test model
View；
Fig. 4 is the square steel rib cage package schematic diagram that bow dome stream shown in FIG. 1 swashs surging pressure test model；
Fig. 5 is the keel package schematic diagram that bow dome stream shown in FIG. 1 swashs surging pressure test model.
Fig. 6 is that the cross-sectional section of square steel package of the sharp surging pressure test model of bow dome stream shown in FIG. 1 shows
It is intended to；
Fig. 7 is the top steel case and upper part knot that bow dome stream shown in FIG. 1 swashs surging pressure test model
Structure top view.
In figure: 10, sound transmitting window；20, top steel case；21, top steel case longitudinal bulkhead；22, top steel case transverse bulkhead；30, after
Portion's steel case；41, pressure sensor；42, acceleration transducer；51, square steel rib cage；52, square steel keel；53, GRP mold；
61, NACA aerofoil profile；62, transition structure is tapered；63, preceding drawbar；64, rear drawbar；65, drawbar blower inlet casing.
Specific embodiment
For a clearer understanding of the technical characteristics, objects and effects of the present invention, now control attached drawing is described in detail
A specific embodiment of the invention.
As shown in Figure 1, being a preferred embodiment of the present invention bow dome stream swashs surging pressure test model, packet
Include sound transmitting window 10, the composite material that sound transmitting window 10 can be met equivalent rigid body surface requirements, be had good sound translative performance using rigidity
It is made.Preferably, sound transmitting window 10 is made using glass reinforced plastic, and glass reinforced plastic thickness is not less than 6mm.The top of sound transmitting window 10
Portion installation top steel case 20, rear portion steel case 30 is installed at the rear portion of sound transmitting window 10.It is to influence in view of line style outside pod sound transmitting window
Pod sound transmitting window surface, which is flowed, swashs fluctuation pressure characteristic key factor, and the external line style of the sound transmitting window 10 of model is according to practical water conservancy diversion
The line style of cover sound transmitting window carries out reduced scale and determines, thus true simulation reality ship pod entrant sound window outside surface flow field.Preferably,
The scaling factor of model sound transmitting window 10 determines that contracting is than being not less than 1:10 according to reynolds analogue principle.Top steel case 20 and rear portion steel case
30 for simulating the Ship Structure being connected with practical pod sound transmitting window.In view of practical pod rear portion steel construction is to sound transmitting window
The influence in position flow field is little, and the exterior contour of top steel case 20 carries out reduced scale according to actual hull structural type line chart and determines, after
The molded line of portion's steel case 30 carried out flow field smooth transition adjustment, guarantee test water flow can fairing transition, reduce fluid separation produce
Raw whirlpool reduces the influence to test result.Bow dome stream swashs the housing outer surface cloth of surging pressure test model
Set installation pressure sensor 41 and acceleration transducer 42.
It advanced optimizes, in the present embodiment, pressure sensor 41 and acceleration transducer 42 are respectively along 10 shell of sound transmitting window
The circumferential left and right sides is evenly arranged at vertical maximum cross-section and at longitudinal maximum radius, and pressure sensor 41 and acceleration
Sensor 42 is arranged symmetrically about the central fore-and-aft vertical plane of model.Preferably, as Figure 2-3, pressure sensor 41 and acceleration pass
The quantity of sensor 42 is respectively 10, respectively along the vertical maximum cross-section of 10 shell of sound transmitting window uniformly, be arranged symmetrically 5, along saturating
At the longitudinal maximum radius of sound window 10 uniformly, be arranged symmetrically 5, it is ensured that obtain accurate 10 position turbulent flow of pod sound transmitting window and swash
Encourage fluctuating pressure distribution information and acceleration information.
It advanced optimizes, in the present embodiment, pressure sensor 41 and acceleration transducer 42 are fixed by way of drilling
Encapsulation process is carried out after being installed on the outer surface of 10 shell of sound transmitting window, and examines fastness and validity, 41 He of pressure sensor
Acceleration transducer 42 is close to 10 shell of sound transmitting window, seamless and surface smoothing, it is ensured that the sealing performance of pod model.
It advanced optimizes, in the present embodiment, as Figure 4-Figure 6, the inner surface of sound transmitting window 10 is welded with 51 He of square steel rib cage
The surface of square steel keel 52, square steel rib cage 51 and square steel keel 52 passes through GRP mold 53 and is wrapped up.Square steel rib cage 51
Main function with square steel keel 52 is the structural strength needed for guaranteeing model sound transmitting window 10 under limiting condition.
It advanced optimizes, in the present embodiment, square steel rib cage 51 includes transverse frame and longitudinal rib cage, and transverse frame is set to
It at the longitudinal maximum radius of sound transmitting window 10, and extends upwardly at top steel case 20, is connect by welding form with top steel case 20；
Longitudinal rib cage is set at the vertical maximum cross-section of sound transmitting window 10, and extands rearward to rear portion steel case 30, through welding form with after
Portion's steel case 30 connects.Preferably, the size of square steel rib cage 51 and square steel keel 52 is for 80mm × 150mm.Preferably, square steel
Surface package GRP mold 53 with a thickness of 6mm, it is ensured that be linked together with the glass reinforced plastic of pod sound transmitting window 10, improve mould
The watertightness of type.
It advanced optimizes, in the present embodiment, as shown in fig. 7, top steel case 20 is formed using structure steel fabrication, in order to guarantee
It has enough intensity, top steel case longitudinal bulkhead 21 is equipped at the central fore-and-aft vertical plane of top steel case 20, and respectively before model
Setting top steel case transverse bulkhead 22 at 1/5 and rear 1/4.Preferably, top steel case longitudinal bulkhead 21 and top steel case transverse bulkhead 22 are equal
It is made of the plate construction of 10mm thickness.
It advanced optimizes, in the present embodiment, rear portion steel case 30 is formed using structure steel fabrication, and rear portion is arranged in rear portion steel case 30
Steel case longitudinal bulkhead (not shown), rear portion steel case longitudinal bulkhead and top steel case longitudinal bulkhead 21 are in same vertical section.
It advanced optimizes, in the present embodiment, pod model further includes external attached body structure, with guarantee test model high speed
Torrent will not be generated when driving.External attached body structure includes being horizontally installed to the NACA aerofoil profile 61 of 20 front end of top steel case, the wing
Shape parameter are as follows: 135mm at aerofoil profile maximum radius, length direction 915mm, aerofoil profile maximum arc length 1000mm.In order to keep entirely flowing
The streamline of field smoothly, to the arris of NACA aerofoil profile 61 carries out chamfered, eliminates when model is run at high speed under water and generates torrent
It influences, fairing is closed after 61 rear portion of NACA aerofoil profile suitably extends.
It advanced optimizes, in the present embodiment, external attached body structure further includes tapering after being installed on rear portion steel case 30
Structure 62 is crossed, transition structure 62 is tapered and is spliced by two transition aerofoil profiles, guaranteed when entire model is run at high speed under water not
Torrent can be generated.Preferably, it tapers transition structure 62 to be made by glass reinforced plastic, to guarantee the rear portion surface Gang Xiang30 with leading portion
The precision of glass reinforced plastic docking.Preferably, it tapers transition structure 62 and is also provided with longitudinal bulkhead progress structural strengthening at central fore-and-aft vertical plane, and
The longitudinal bulkhead and rear portion steel case longitudinal bulkhead are welded, so that the fairness of model and globality are guaranteed.
It advanced optimizes, in the present embodiment, external attached body structure further includes being installed on the preceding drawbar 63 at the top of model with after
Drawbar 64, specifically, preceding drawbar 63 and rear drawbar 64 are respectively arranged at top steel case longitudinal bulkhead 21 and former and later two top steel casees
The infall of transverse bulkhead 22.The above-mentioned transition structure 62 that tapers is tapered to central fore-and-aft vertical plane since rear 64 position of drawbar, is seamlessly transitted
It can extremely meet and eliminate the tail end that separation vortex generates.Preferably, preceding drawbar 63 and rear drawbar 64 are the steel tube structure of Φ 150mm,
It is welded with top steel case 20, preceding drawbar 63 and rear drawbar 64 can be used as simultaneously into drainage channel and cable passage again.In order to subtract
The periphery of the influence of few 64 stream field of preceding drawbar 63 and rear drawbar, preceding drawbar 63 and rear drawbar 64 is enclosed with drawbar blower inlet casing
65, drawbar blower inlet casing 65 is NACA aerofoil profile, main aerofoil profile parameter are as follows: 70mm at maximum radius, length direction 322mm, the wing
Type arc length 350mm.
It advanced optimizes, in the present embodiment, has enough intensity and model whole to guarantee model during the experiment
Fairness, it is coated that the progress of applied thickness 6mm glass reinforced plastic is unified in model outer surface.
The production of the sharp surging pressure test model of bow dome stream of the invention and installation method are as follows:
The first step makes wooden formpiston according to real ship pod, foreship bulbous bow profile and attached body region aerofoil profile.
Second step, according to pattern layout paper conversion breadthrider (square steel rib cage 51, square steel keel 52), steel construction part
(top steel case 20, rear portion steel case 30) and rear portion transition structure (tapering transition structure 62)；
Steel construction, breadthrider and transition structure are respectively welded third step.Specifically, in order to guarantee top steel case 20
It is excessive with the fairing of glass model part, under the premise of proof strength requires to be easily installed again, first to top steel case 20 in thickness
It spends direction and reduces 6mm, square steel rib cage 51 is extended at top steel case 20, the two is welded together, then to top steel case 20
Surface applies the glass reinforced plastic of 6mm thickness, has not only been able to maintain the fairing of pod model outer surface in this way, but also shape can be made to meet molded line and wanted
It asks.The junction of the connection of rear portion steel case 30 and square steel rib cage 51 and square steel keel 52 and top steel case 20, rear portion steel case 30
Processing it is same as mentioned above.
4th step makes model sound transmitting window position using forming process of glass fiber reinforced plastics, to sound transmitting window position glass-reinforced plastic material at
After type, sensor mounting hole processing is carried out, and to the advanced arrangement in advance of signal transmission.
5th step carries out the docking of model major part, and to the glass reinforced plastic of steel construction part, transition portion and attached body portion
Surface is made.
6th step locally carries out chamfered to model, it is ensured that model surface fairing, and complete sensor installation, into row
Water test and leakproofness performance verification.
After the sharp surging pressure test model of bow dome stream of the invention is installed, it is installed in towing water
Associated test devices have been debugged in pond trailer bottom, change trailer travel speed, can test corresponding different speed of a ship or plane pods surface
Turbulence driver performance with pod molded line changing rule.
It should be noted that heretofore described " preceding " refers to that " rear " refers to by aftermost direction close to the direction of bow.
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 embodiment of the present invention is described with above attached drawing, but the invention is not limited to above-mentioned specific
Embodiment, the above mentioned embodiment is only schematical, rather than restrictive, those skilled in the art
Under the inspiration of the present invention, without breaking away from the scope protected by the purposes and claims of the present invention, it can also make very much
Form, all of these belong to the protection of the present invention.
Claims (10)
1. a kind of bow dome stream swashs surging pressure test model, including sound transmitting window, the sound transmitting window can using rigidity
Meet equivalent rigid body surface requirements, the composite material that has good sound translative performance is made, which is characterized in that the sound transmitting window
Top installation top steel case, rear portion steel case is installed at the rear portion of the sound transmitting window；The external line style of the sound transmitting window is according to reality
The line style of pod sound transmitting window carries out reduced scale and determines；The top steel case and rear portion steel case are for simulating and practical pod entrant sound
The connected Ship Structure of window, the exterior contour of the top steel case carry out reduced scale according to actual hull structural type line chart and determine, institute
The molded line for stating rear portion steel case carries out flow field smooth transition adjustment；The sound transmitting window housing outer surface arrangement is equipped with pressure sensor
And acceleration transducer.
2. bow dome stream according to claim 1 swashs surging pressure test model, which is characterized in that described
Sound window is made using glass reinforced plastic.
3. bow dome stream according to claim 1 swashs surging pressure test model, which is characterized in that the pressure
Force snesor and acceleration transducer are all along the vertical maximum cross-section of sound transmitting window shell and at longitudinal maximum radius respectively
To the left and right sides be evenly arranged, and the symmetrical cloth of central fore-and-aft vertical plane of the pressure sensor and acceleration transducer about model
It sets.
4. bow dome stream according to claim 3 swashs surging pressure test model, which is characterized in that the pressure
Force snesor and acceleration transducer be fixedly installed in by way of drilling behind the outer surface of the sound transmitting window shell carry out it is close
Envelope processing, the pressure sensor and acceleration transducer be close to the sound transmitting window shell, seamless and surface smoothing.
5. bow dome stream according to claim 1 swashs surging pressure test model, which is characterized in that described
The inner surface of sound window is welded with square steel rib cage and square steel keel, and the surface of the square steel rib cage and square steel keel passes through glass reinforced plastic
Model is wrapped up；The square steel rib cage includes transverse frame and longitudinal rib cage, and the transverse frame is set to the sound transmitting window
At longitudinal maximum radius, and extend upwardly to the top steel case；The longitudinal direction rib cage is set to the vertical maximum of the sound transmitting window
At section, and extand rearward to rear portion steel case.
6. bow dome stream according to claim 1 swashs surging pressure test model, which is characterized in that the top
Portion's steel case is formed using structure steel fabrication, and the top steel case is equipped with top steel case longitudinal bulkhead at central fore-and-aft vertical plane, and exists respectively
Setting top steel case transverse bulkhead at preceding the 1/5 of model and rear 1/4.
7. bow dome stream according to claim 6 swashs surging pressure test model, which is characterized in that after described
Portion's steel case is formed using structure steel fabrication, and the rear portion steel case is arranged rear portion steel case longitudinal bulkhead, the rear portion steel case longitudinal bulkhead with
The top steel case longitudinal bulkhead is in same vertical section.
8. bow dome stream according to claim 1 swashs surging pressure test model, which is characterized in that further include
External attached body structure, the attached body structure in outside includes being horizontally installed to the NACA aerofoil profile of the top steel case front end, described
The arris of NACA aerofoil profile carries out chamfered, and fairing is closed after the rear part suitably extends.
9. bow dome stream according to claim 8 swashs surging pressure test model, which is characterized in that described outer
The attached body structure in portion further includes the transition structure that tapers after being installed on the rear portion steel case, and the transition structure that tapers is by two mistakes
It crosses aerofoil profile to be spliced, the transition structure that tapers is made by glass reinforced plastic.
10. bow dome stream according to claim 8 swashs surging pressure test model, which is characterized in that described
External attached body structure further includes the preceding drawbar and rear drawbar being installed at the top of model, the periphery Jun Bao of the preceding drawbar and rear drawbar
It is wrapped with drawbar blower inlet casing, the drawbar blower inlet casing is NACA aerofoil profile.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710617387.9A CN107389301B (en) | 2017-07-26 | 2017-07-26 | Bow dome stream swashs surging pressure test model |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710617387.9A CN107389301B (en) | 2017-07-26 | 2017-07-26 | Bow dome stream swashs surging pressure test model |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107389301A CN107389301A (en) | 2017-11-24 |
| CN107389301B true CN107389301B (en) | 2019-03-08 |
Family
ID=60341219
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710617387.9A Active CN107389301B (en) | 2017-07-26 | 2017-07-26 | Bow dome stream swashs surging pressure test model |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107389301B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108357628B (en) * | 2018-02-05 | 2021-03-30 | 哈尔滨工程大学 | Noise reduction device suitable for underwater sonar at bottom of ship |
| CN109895943A (en) * | 2019-02-13 | 2019-06-18 | 中国舰船研究设计中心 | A kind of double Shell titanium alloy pod acoustics Three dimensions control method |
| CN113091876A (en) * | 2021-04-22 | 2021-07-09 | 中国人民解放军92578部队 | Wing-type structure flow-induced noise testing device and method based on circulating water tank |
| CN113987863B (en) * | 2021-10-15 | 2023-03-28 | 中国舰船研究设计中心 | Acoustic transmission performance simulation calculation method based on dome structure design scheme |
| CN114194354B (en) * | 2021-12-10 | 2024-01-23 | 海鹰企业集团有限责任公司 | Design method of bionic type air guide sleeve with noise reduction function |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201025488Y (en) * | 2006-11-09 | 2008-02-20 | 中国舰船研究设计中心 | Compound sound flow guiding cover shell plate |
| JP2011106838A (en) * | 2009-11-12 | 2011-06-02 | Yokohama Rubber Co Ltd:The | Acoustic characteristic simulation method for cover for sonar device |
| CN203921160U (en) * | 2014-04-29 | 2014-11-05 | 中国舰船研究设计中心 | Be applicable to the removable sonodome of high speed ship |
| CN104155078A (en) * | 2014-07-07 | 2014-11-19 | 北京理工大学 | Adjustable driving system for underwater navigation body in water tunnel experiment |
| CN105866765A (en) * | 2016-04-14 | 2016-08-17 | 国家海洋局第二海洋研究所 | Multibeam sonar probe boat head mounting device and use method thereof |
| CN206009869U (en) * | 2016-09-23 | 2017-03-15 | 哈尔滨工程大学船舶装备科技有限公司 | A kind of naval vessel kuppe entrant sound window construction |
-
2017
- 2017-07-26 CN CN201710617387.9A patent/CN107389301B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201025488Y (en) * | 2006-11-09 | 2008-02-20 | 中国舰船研究设计中心 | Compound sound flow guiding cover shell plate |
| JP2011106838A (en) * | 2009-11-12 | 2011-06-02 | Yokohama Rubber Co Ltd:The | Acoustic characteristic simulation method for cover for sonar device |
| CN203921160U (en) * | 2014-04-29 | 2014-11-05 | 中国舰船研究设计中心 | Be applicable to the removable sonodome of high speed ship |
| CN104155078A (en) * | 2014-07-07 | 2014-11-19 | 北京理工大学 | Adjustable driving system for underwater navigation body in water tunnel experiment |
| CN105866765A (en) * | 2016-04-14 | 2016-08-17 | 国家海洋局第二海洋研究所 | Multibeam sonar probe boat head mounting device and use method thereof |
| CN206009869U (en) * | 2016-09-23 | 2017-03-15 | 哈尔滨工程大学船舶装备科技有限公司 | A kind of naval vessel kuppe entrant sound window construction |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107389301A (en) | 2017-11-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107389301B (en) | Bow dome stream swashs surging pressure test model | |
| CN102607799B (en) | Device for changing Mach number in supersonic velocity wind tunnel model experiment and working method | |
| CN102285435B (en) | Submersible pump waterjet type umbilical-cord cable remote control underwater robot | |
| KR102307013B1 (en) | Arrangement for multi screw vessels comprising external propeller shafts as well as method for producing such an arrangement | |
| CN102346789B (en) | Setting method of intensive curvature longitudinal structure line of inner and outer dual-hull type ship | |
| CN107860554A (en) | Tail jet Test Integrated model equipment and test method in wind tunnel test | |
| CN110884626A (en) | Design method of integrated mounting base of navigation equipment underwater sensor | |
| CN104129489B (en) | Integrated waterjet propulsion device and manufacturing and assembling method thereof | |
| CN211519810U (en) | Water-spraying electromagnetic control multi-degree-of-freedom moving underwater vehicle | |
| JP7272782B2 (en) | Rudder blade with modular construction, segment for a rudder blade or for a device to improve propulsion, and method for manufacturing a rudder blade | |
| CN104573226A (en) | Propeller thrust modeling method for underwater vehicle | |
| US11718386B2 (en) | Cupola fairing for an aircraft and method for fabricating the same | |
| Maria Viola et al. | Sail aerodynamics: on-water pressure measurements on a downwind sail | |
| CN107356361B (en) | A kind of measurement method of six-dimensional space power | |
| CN109108515A (en) | A kind of installation method of steamer oil pipe | |
| CN106500957B (en) | Ventilating model is tested in a kind of water | |
| Xue et al. | Numerical analysis of hydrodynamics for bionic oscillating hydrofoil based on panel method | |
| JPH0432621Y2 (en) | ||
| CN110027669B (en) | A drag reduction pillar structure of ventilating for supercavitation surface of water ship | |
| CN102226735A (en) | Tunnel connection method of rapid moulding wind tunnel pressure measuring model | |
| CN207513677U (en) | A kind of aviation pancake engine exhaust manifold | |
| CN115828426A (en) | Numerical calculation method for hydrodynamic load of underwater vehicle under large maneuvering condition | |
| RU2424151C1 (en) | Hydro acoustic measurement hardware complex carrier | |
| CN104309813A (en) | Design method for shape of helicopter tail beam | |
| CN110763429B (en) | Force measuring method for sub-components of pool towing test model |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |