CN106043641A - Annular flow guide gate for ship - Google Patents
Annular flow guide gate for ship Download PDFInfo
- Publication number
- CN106043641A CN106043641A CN201610524777.7A CN201610524777A CN106043641A CN 106043641 A CN106043641 A CN 106043641A CN 201610524777 A CN201610524777 A CN 201610524777A CN 106043641 A CN106043641 A CN 106043641A
- Authority
- CN
- China
- Prior art keywords
- mozzle
- larboard
- starboard
- stator
- hull
- 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.)
- Pending
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H1/00—Propulsive elements directly acting on water
- B63H1/02—Propulsive elements directly acting on water of rotary type
- B63H1/12—Propulsive elements directly acting on water of rotary type with rotation axis substantially in propulsive direction
- B63H1/14—Propellers
- B63H1/28—Other means for improving propeller efficiency
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The invention provides an annular flow guide gate for a ship. The annular flow guide gate is characterized by comprising a left side flow guide pipe, a right side flow guide pipe, left side guide vanes and right side guide vanes; the upper end of the left side flow guide pipe and the upper end of the right side flow guide pipe are fixed to a hull through a reinforcing structure, and the lower end of the left side flow guide pipe and the lower end of the right side flow guide pipe are fixedly connected to the hull; one end of each left side guide vane is installed on the inner side of the left side flow guide pipe, and the other end of each left side guide vane is installed on the hull in the radial direction of a propeller; and one end of each right side guide vane is installed on the inner side of the right side flow guide pipe, and the other end of each right side guide vane is installed on the hull in the radial direction of the propeller. By the adoption of the annular flow guide gate, the wake flow field of the hull can be improved, the losses of the main machine output power are reduced, the efficiency of a thruster is improved, and the navigation speed of the ship is increased. The annular flow guide gate has the beneficial effects of being simple in structure and convenient to install.
Description
Technical field
The present invention relates to hydrodynamic force energy saver before oar, particularly relate to a kind of annular airflow fence peculiar to vessel.
Background technology
Fuel oil expenditure occupies major portion in vessel operating cost, and saving oil consumption, reduction fuel cost are that shipowner is eternal
Pursuit.Meanwhile, the various environmental problems caused due to greenhouse gas emission are increasingly serious, and receive international community
Extensive concern.Therefore, green ship technology becomes the most important thing of industry research, and ship hydrodynamics energy saver is progressively subject to
Favor to numerous shipowners.Before the oar used at present, hydrodynamic force energy saver has wake compensating duct, rectification fin, fin of prewhirling to add entirely
Conduit and Mewis Duct etc., but these existing apparatus exist propeller influent stream inhomogeneities limited, the energy saver of improvement
Resistance own is excessive, to problems such as propeller propulsive efficiency castering action are little, the most gradually cannot be suitable for ship stern line style increasingly light
Along modern naval vessels very thin, that the flowing of ship stern is relatively uniform.
Compensating duct combination energy-saving device peculiar to vessel disclosed in application number 87216893.X, uses each one of port and starboard to lead
The form of pipe, does not disposes stator in conduit used, this unit configuration is excessively simple, and the only effect by conduit can not effectively carry
The efficiency of high propeller.
Prefix type triangle conduit (wheel) disclosed in application number 201310704256.6 and application number 201310306945.1,
The conduit used is sector, is provided with three stators, can reduce the energy that propeller wake field is lost because of rotation, and fit
Degree minimizing additional form drag because of afterbody flow separation, but because of the short and small improvement result to wake flow inhomogeneities of conduit very
Limited.
Application number 200910134601.0 discloses a kind of device driving power demand for reducing ship, at propeller
The shortest distance in one, front is integral ring-shaped circular tube shaped equipped with a fore nozzle and four fin keels, fore nozzle, and this device has
It is improved efficiency, the effect of reduction power demand, but is only applicable to the boats and ships that ship stern is the loosest in early days.
Application number 201310271844.5 discloses a kind of front half guide wheel, including preposition half conduit and multiple preposition lead
Blade, the tube wall of conduit axially local be breach, and one end of guide vane is circumferentially provided on the inwall of preposition half conduit, the other end and
Hull afterbody is connected.The conduit of this device is an entirety, and the inflow angle degree of the left and right sides of such conduit and position cannot
Individually being optimized adjustment according to local flow field, due to the inhomogeneities of potential wake field, the conduit of this device can produce
Bigger resistance.
Summary of the invention
In order to solve the problems referred to above, the present invention proposes a kind of annular airflow fence peculiar to vessel, it is characterised in that include that larboard is led
Flow tube, starboard mozzle, larboard stator and starboard stator, the upper end of described larboard mozzle and starboard mozzle is tied by reinforcement
Structure is fixed on hull, and lower end is fixing with hull to be connected, and one end of described larboard stator is arranged on the inner side of larboard mozzle, separately
One end is radially arranged on hull along propeller, and one end of described starboard stator is arranged on the inner side of starboard mozzle, the other end
Radially it is arranged on hull along propeller.
Further, described larboard mozzle and the respective installation site of starboard mozzle and inclination angle are independently configured,
In perpendicular, the inclination angle of larboard mozzle is configured in the range of-8 ° to 0 °, the inclination angle of starboard mozzle 0 ° to+
Being configured in the range of 8 °, in horizontal plane, the inclination angle of larboard mozzle and starboard mozzle is all entered in the range of-8 ° to+8 °
Row is arranged.
Further, the length of described larboard mozzle and starboard mozzle is 0.25-0.55 times of airscrew diameter,
The diameter of described larboard mozzle and starboard mozzle is 0.4-0.85 times of airscrew diameter.
Further, the quantity of described larboard stator is 1-3 sheet.
Further, described larboard stator has airfoil type section, and its section chord length is less than or equal to the length of larboard mozzle
Degree.
Further, described larboard stator extends to outside larboard mozzle, and a length of propeller of its expandable part is straight
0.1-0.75 times of footpath.
Further, the quantity of described starboard stator is 1-2 sheet.
Further, described starboard stator is respectively provided with airfoil type section, and its section chord length is less than or equal to starboard mozzle
Length.
The present invention according to quarter flowing at axis up and down, the unsymmetry of left and right and inhomogeneities feature, it is provided that a kind of
Annular airflow fence peculiar to vessel, by increasing flowing of prewhirling before oar, raising mozzle thrust, the means of improving potential wake field reduce
The loss of propeller shaft output, raising shipping sail speed, can reduce the vibration risk of hull and attached body simultaneously.
Accompanying drawing explanation
Fig. 1 is the starboard elevation that a kind of annular airflow fence peculiar to vessel of the present invention is arranged on stern；
Fig. 2 is the A direction view of Fig. 1；
Fig. 3 is the schematic diagram of the embodiment 2 of a kind of annular airflow fence peculiar to vessel of the present invention；
Fig. 4 is the schematic diagram of the embodiment 3 of a kind of annular airflow fence peculiar to vessel of the present invention；
Fig. 5 is the schematic diagram of the embodiment 4 of a kind of annular airflow fence peculiar to vessel of the present invention；
Fig. 6 is the schematic diagram of the embodiment 5 of a kind of annular airflow fence peculiar to vessel of the present invention.
In figure: 100-apparatus of the present invention, 101-larboard mozzle, 102-starboard mozzle, 201-larboard stator, 204-are right
Side of a ship stator, 301-reinforcement structure, 400-hull, 500-propeller, 501-oar axle.
Detailed description of the invention
The detailed description of the invention of peculiar to vessel annular airflow fence a kind of to the present invention is described in detail below in conjunction with the accompanying drawings, and this is real
Execute example be merely to illustrate the present invention rather than limit the scope of the present invention, the those skilled in the art's various equivalences to the present invention
The amendment of form all falls within the application claims limited range.
Embodiment 1, as it is shown in figure 1, apparatus of the present invention 100 are fixedly installed in propeller 500 front, the stern of hull 400
Place, the overwhelming majority is offset to the top of oar axle 501.
If Fig. 2 is the detailed structure view of the present invention.Apparatus of the present invention 100 include larboard mozzle 101, starboard mozzle
102, larboard stator 201, starboard stator 204 and reinforcement structure 301, the lower end of larboard mozzle 101 and starboard mozzle 102 with
Hull 400 is joined directly together, and the upper end of larboard mozzle 101 and starboard mozzle 102 is connected by reinforcement structure 301, strengthens knot
Structure 301 is fixedly connected on hull 400, larboard mozzle 101 and starboard mozzle 102 all in semi-circular shape, both axis
In the horizontal direction mutually in 3 ° of angles.The quantity of larboard stator 201 determines according to the space size within larboard mozzle 101, this
In embodiment, the quantity of larboard stator 201 is 3, and one end of larboard stator 201 is arranged on the inner side of larboard mozzle 101, separately
One end is radially arranged on hull 400 along propeller 500；The quantity of starboard stator 204 is according to the sky within starboard mozzle 102
Between size determine, in the present embodiment, the quantity of starboard stator 204 is 1, and one end of starboard stator 204 is arranged on starboard water conservancy diversion
The inner side of pipe 102, the other end is radially arranged on hull 400 along propeller 500；The chord length of all stators is respectively less than mozzle
Length, and use not twister design, makes stator relative to carrying out flow path direction and has certain angle of attack.
Experiment proves that, this embodiment is arranged on cpable of lowering power loss on certain very large cargo carrier and reaches 6%, higher than other classes
The device of type.
Embodiment 2, as it is shown on figure 3, be an alternative embodiment of the invention.In the present embodiment, larboard mozzle 101 and the right side
The length of side of a ship mozzle 102 is 0.4 times of propeller 500 diameter, larboard mozzle 101 and the diameter of starboard mozzle 102
Identical be propeller 500 diameter 0.6 times, larboard mozzle 101 has the inclination angle of-3 °, starboard water conservancy diversion in perpendicular
Pipe 102 has the inclination angle of+3 ° in perpendicular.
Embodiment 3, as shown in Figure 4, larboard mozzle 101 and starboard mozzle 102 points in semiellipse shape, larboard mozzle
101 and the length of starboard mozzle 102 be 0.25 times of propeller 500 diameter, larboard mozzle 101 and starboard mozzle
Identical be propeller 500 diameter 0.85 times of the major axis of 102.The most elliptoid major axis along above-below direction, short axle along
Horizontal direction.
Embodiment 4, as it is shown in figure 5, larboard mozzle 101 and the dead in line of starboard mozzle 102, larboard mozzle
101 and the length of starboard mozzle 102 be 0.55 times of propeller 500 diameter, larboard mozzle 101 and starboard mozzle
Identical be propeller 500 diameter 0.4 times of the diameter of 102.
Embodiment 5, as shown in Figure 6, the ship that, Block Coefficient very thinner for stern is less, larboard stator 201 extends to a left side
Side of a ship mozzle 101 is outside, 0.4 times of a length of propeller 500 diameter of its expandable part；Starboard stator 204 is arranged on starboard
Mozzle 102 is internal, and the chord ratio stator root of larboard stator 201 taper is short.
Embodiment 6, shrinks ship faster for stern, in horizontal plane, and larboard mozzle 101 and starboard mozzle 102
All there is the inclination angle of+8 °.
Embodiment 7, for strengthening preliminary election effect, in perpendicular, larboard mozzle 101 has the inclination angle of-8 °, and starboard is led
Flow tube 102 has the inclination angle of+8 °.
The operation principle of the present invention is: larboard mozzle 101 and starboard mozzle 102 have the effect of rectification, guides
Current enter stern height wake district, and the Wake Field making quarter is more uniform, thus improves Wake Field；Special according to local flow field
Point, is separately optimized larboard mozzle 101 and the installation site of starboard mozzle 102 and inclination angle can effectively reduce apparatus of the present invention
Resistance, larboard stator 201 and starboard stator 204 have inflow angle, and have airfoil type section, it is possible to promote current to revolve
Turn, there is the larboard mozzle 101 at inclination angle simultaneously and starboard mozzle 102 strengthens the rotation of current, the direction of this preswirl
Contrary with propeller 500 direction of rotation, thus reduce the rotating energy loss of propeller 500 wake flow.Being total to of all parts
Under same-action, this device effectively reduces the loss of marine main engine output, improves the speed of a ship or plane of boats and ships.This apparatus structure is simple,
Easy for installation, there is stronger structural strength and good vibration performance.
The preferred embodiment of the present invention is described in detail above in association with accompanying drawing, but, the present invention is not limited to above-mentioned reality
Execute the detail in mode, in the technology concept of the present invention, technical scheme can be carried out multiple letter
Monotropic type, these simple variant belong to protection scope of the present invention.
Claims (8)
1. an annular airflow fence peculiar to vessel, it is characterised in that include larboard mozzle (101), starboard mozzle (102), larboard
Stator (201) and starboard stator (204), the upper end of described larboard mozzle (101) and starboard mozzle (102) is tied by reinforcement
Structure (301) is fixed on hull (400), and lower end is fixing with hull (400) to be connected, and one end of described larboard stator (201) is installed
In the inner side of larboard mozzle (101), the other end is radially arranged on hull (400) along propeller (500), described starboard stator
(204) one end is arranged on the inner side of starboard mozzle (102), and the other end is radially arranged on hull (400) along propeller (500)
On.
Annular airflow fence peculiar to vessel the most according to claim 1, it is characterised in that described larboard mozzle (101) and starboard
Mozzle (102) respective installation site and inclination angle are independently configured, in perpendicular, and inclining of larboard mozzle (101)
Angle is arranged in the range of-8 ° to 0 °, and the inclination angle of starboard mozzle (102) is arranged in the range of 0 ° to+8 °, in horizontal plane, left
The inclination angle of side of a ship mozzle (101) and starboard mozzle (102) is all arranged in the range of-8 ° to+8 °.
Annular airflow fence peculiar to vessel the most according to claim 1 and 2, it is characterised in that described larboard mozzle (101) and the right side
The length of side of a ship mozzle (102) is 0.25-0.55 times of propeller (500) diameter, described larboard mozzle (101) and starboard
The diameter of mozzle (102) is 0.4-0.85 times of propeller (500) diameter.
Annular airflow fence peculiar to vessel the most according to claim 1, it is characterised in that the quantity of described larboard stator (201) is
1-3 sheet.
5. according to the annular airflow fence peculiar to vessel described in claim 1 or 4, it is characterised in that described larboard stator (201) has machine
Aerofoil profile, its section chord length is less than or equal to the length of larboard mozzle (101).
One the most according to claim 5 annular peculiar to vessel airflow fence, it is characterised in that described larboard stator (201) is stretched
Outside to larboard mozzle (101), 0.1-0.75 times of a length of propeller (500) diameter of its expandable part.
Annular airflow fence peculiar to vessel the most according to claim 1, it is characterised in that the quantity of described starboard stator (204) is
1-2 sheet.
8. according to the annular peculiar to vessel airflow fence of the one described in claim 1 or 7, it is characterised in that described starboard stator (204) is equal
Having airfoil type section, its section chord length is less than or equal to the length of starboard mozzle (102).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610524777.7A CN106043641A (en) | 2016-07-06 | 2016-07-06 | Annular flow guide gate for ship |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610524777.7A CN106043641A (en) | 2016-07-06 | 2016-07-06 | Annular flow guide gate for ship |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106043641A true CN106043641A (en) | 2016-10-26 |
Family
ID=57201964
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610524777.7A Pending CN106043641A (en) | 2016-07-06 | 2016-07-06 | Annular flow guide gate for ship |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106043641A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106985990A (en) * | 2017-03-15 | 2017-07-28 | 中船重工（上海）节能技术发展有限公司 | A kind of preposition flap peculiar to vessel |
| CN107985538A (en) * | 2017-12-02 | 2018-05-04 | 中船重工（上海）节能技术发展有限公司 | A kind of guide plate type ring duct peculiar to vessel |
| CN110937090A (en) * | 2019-11-29 | 2020-03-31 | 南京盛航海运股份有限公司 | Ship propelling mechanism |
| CN112173038A (en) * | 2020-09-27 | 2021-01-05 | 江苏新扬子造船有限公司 | Method for mounting preposed pre-rotation guide wheel |
| CN113879498A (en) * | 2021-11-10 | 2022-01-04 | 中国船舶工业集团公司第七0八研究所 | Marine spiral line type guide pipe fin |
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| JPS57158191A (en) * | 1981-03-26 | 1982-09-29 | Mitsubishi Heavy Ind Ltd | Fin type device for improving propelling performance |
| CN87216893U (en) * | 1987-12-31 | 1988-10-12 | 中国船舶工业总公司七院七○八研究所 | Combined energy-saving device of compensating conduct tube and flow-guiding cover for ships |
| CN202368778U (en) * | 2011-12-12 | 2012-08-08 | 江苏华海船舶设计有限公司 | Combined energy-saving transport ship |
| CN202368782U (en) * | 2011-12-12 | 2012-08-08 | 江苏华海船舶设计有限公司 | Energy-saving guide pipe for built-in guide vanes |
| CN202593838U (en) * | 2012-05-18 | 2012-12-12 | 大连船舶重工集团有限公司 | Ship hydrodynamic front guide wheel energy-saving device |
| US20130121837A1 (en) * | 2011-11-11 | 2013-05-16 | Becker Marine Systems Gmbh & Co. Kg | Device for reducing the drive power requirements of a watercraft |
| CN103332280A (en) * | 2013-07-01 | 2013-10-02 | 中国船舶科学研究中心上海分部 | Radiance type preposed guide wheel |
| CN103342162A (en) * | 2013-07-01 | 2013-10-09 | 中国船舶科学研究中心上海分部 | Front half guide wheel |
| KR20140109691A (en) * | 2013-03-06 | 2014-09-16 | 삼성중공업 주식회사 | Appratus for improving propulsion of ship |
| CN204775955U (en) * | 2015-06-17 | 2015-11-18 | 南通海国机械有限公司 | Boats and ships are with guide pulley of prewhirling that catchments |
| CN205931199U (en) * | 2016-07-06 | 2017-02-08 | 中船重工（上海）节能技术发展有限公司 | Marine annular airflow fence |
-
2016
- 2016-07-06 CN CN201610524777.7A patent/CN106043641A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57158191A (en) * | 1981-03-26 | 1982-09-29 | Mitsubishi Heavy Ind Ltd | Fin type device for improving propelling performance |
| CN87216893U (en) * | 1987-12-31 | 1988-10-12 | 中国船舶工业总公司七院七○八研究所 | Combined energy-saving device of compensating conduct tube and flow-guiding cover for ships |
| US20130121837A1 (en) * | 2011-11-11 | 2013-05-16 | Becker Marine Systems Gmbh & Co. Kg | Device for reducing the drive power requirements of a watercraft |
| CN202368778U (en) * | 2011-12-12 | 2012-08-08 | 江苏华海船舶设计有限公司 | Combined energy-saving transport ship |
| CN202368782U (en) * | 2011-12-12 | 2012-08-08 | 江苏华海船舶设计有限公司 | Energy-saving guide pipe for built-in guide vanes |
| CN202593838U (en) * | 2012-05-18 | 2012-12-12 | 大连船舶重工集团有限公司 | Ship hydrodynamic front guide wheel energy-saving device |
| KR20140109691A (en) * | 2013-03-06 | 2014-09-16 | 삼성중공업 주식회사 | Appratus for improving propulsion of ship |
| CN103332280A (en) * | 2013-07-01 | 2013-10-02 | 中国船舶科学研究中心上海分部 | Radiance type preposed guide wheel |
| CN103342162A (en) * | 2013-07-01 | 2013-10-09 | 中国船舶科学研究中心上海分部 | Front half guide wheel |
| CN204775955U (en) * | 2015-06-17 | 2015-11-18 | 南通海国机械有限公司 | Boats and ships are with guide pulley of prewhirling that catchments |
| CN205931199U (en) * | 2016-07-06 | 2017-02-08 | 中船重工（上海）节能技术发展有限公司 | Marine annular airflow fence |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106985990A (en) * | 2017-03-15 | 2017-07-28 | 中船重工（上海）节能技术发展有限公司 | A kind of preposition flap peculiar to vessel |
| CN107985538A (en) * | 2017-12-02 | 2018-05-04 | 中船重工（上海）节能技术发展有限公司 | A kind of guide plate type ring duct peculiar to vessel |
| CN110937090A (en) * | 2019-11-29 | 2020-03-31 | 南京盛航海运股份有限公司 | Ship propelling mechanism |
| CN112173038A (en) * | 2020-09-27 | 2021-01-05 | 江苏新扬子造船有限公司 | Method for mounting preposed pre-rotation guide wheel |
| CN112173038B (en) * | 2020-09-27 | 2022-05-17 | 江苏新扬子造船有限公司 | Method for mounting preposed pre-rotation guide wheel |
| CN113879498A (en) * | 2021-11-10 | 2022-01-04 | 中国船舶工业集团公司第七0八研究所 | Marine spiral line type guide pipe fin |
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Application publication date: 20161026 |
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| RJ01 | Rejection of invention patent application after publication |