CN107628214A - Marine propulsion and its propulsion method based on the passive Thrust-vectoring Nozzle of bypass type - Google Patents

Marine propulsion and its propulsion method based on the passive Thrust-vectoring Nozzle of bypass type Download PDF

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Publication number
CN107628214A
CN107628214A CN201710655185.3A CN201710655185A CN107628214A CN 107628214 A CN107628214 A CN 107628214A CN 201710655185 A CN201710655185 A CN 201710655185A CN 107628214 A CN107628214 A CN 107628214A
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CN
China
Prior art keywords
bypass type
vectoring nozzle
passive thrust
thrust
nozzle
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Pending
Application number
CN201710655185.3A
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Chinese (zh)
Inventor
林泳辰
徐惊雷
黄帅
许保成
陈匡世
汪丰
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Nanjing University of Aeronautics and Astronautics
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Nanjing University of Aeronautics and Astronautics
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Application filed by Nanjing University of Aeronautics and Astronautics filed Critical Nanjing University of Aeronautics and Astronautics
Priority to CN201710655185.3A priority Critical patent/CN107628214A/en
Publication of CN107628214A publication Critical patent/CN107628214A/en
Pending legal-status Critical Current

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Abstract

This application discloses a kind of marine propulsion and its propulsion method based on the passive Thrust-vectoring Nozzle of bypass type, propulsion plant includes gondola front portion power set, the liquid stream outlet of gondola front portion power set connects with the passive Thrust-vectoring Nozzle of bypass type, and the outer wall of the passive Thrust-vectoring Nozzle of the bypass type is fitted with gondola connection end;Flowed through by current and flow into the passive Thrust-vectoring Nozzle of bypass type by changeover portion after the power part of hull, when the passive Thrust-vectoring Nozzle work of bypass type, current can be caused to produce deflection, and then cause hull by controling power to the left or to the right, and then produce corresponding control moment so that hull travel direction changes.The present invention utilizes the performance characteristics that the passive Thrust-vectoring Nozzle of bypass type can be using water as working media, the passive Thrust-vectoring Nozzle of bypass type is arranged on changeover portion rear portion, gondola irrotationality rotation member and the travel direction of hull can be made to change, improve the maneuverability of ship.

Description

Marine propulsion and its propulsion method based on the passive Thrust-vectoring Nozzle of bypass type
Technical field
The present invention designs a kind of propulsion nacelle device peculiar to vessel using the passive Thrust-vectoring Nozzle of bypass type, is mainly used in carrying The mobility of high ship, while simplify structure, improve the reliability of ship power system.
Background technology
Nowadays, the podded propeller that the power set of ship use, be it is a kind of integrate propulsion and steering gear Marine propulsion.Propulsion electric machine is placed in outside cabin by podded propeller, is directly connected with propeller.Typically mainly by interior Centrally-mounted driving module, propeller module, rotation mechanism in vertical shaft and cooling device composition.Yet with rotation mechanism in vertical shaft ten Point complexity cause podded propeller to have maintainability is poor, fault rate is high, the shortcomings such as economy is low.Therefore the present invention designs a kind of generation For the New Marine gondola of conventional propeller gondola, gondola need not rotate can so that hull travel direction changes, together When reduce ship movable part.
The content of the invention
The present invention is based on the passive Thrust-vectoring Nozzle of bypass type, develops a kind of New Marine gondola, can pass through realization The change of thrust direction is realized in the deflection of current.Control mode including device body and the present apparatus.
In order to realize the technical purpose of the above, the present invention will take following technical scheme:
A kind of marine propulsion based on the passive Thrust-vectoring Nozzle of bypass type, including gondola front portion power set, it is described to hang The liquid stream outlet of cabin front portion power set connects with the passive Thrust-vectoring Nozzle of bypass type, the passive thrust vectoring spray of the bypass type The outer wall of pipe is fitted with gondola connection end.
As a further improvement on the present invention, the passive Thrust-vectoring Nozzle of the bypass type includes spout body, jet pipe sheet The inner flow passage of body is disposed with a venturi front portion converging portion, a venturi, cavity, nozzle exit according to fluid flow direction;Jet pipe sheet Body has two runners, the major flow respectively set along spout body axis in the opening position of a venturi front portion converging portion Road and the secondary circulation road between a venturi front portion converging portion and spout body wall, and mainstream channel is in close proximity to a venturi Entrance location at outlet with time circulation road;Valve is installed on the secondary circulation road, by valve opening or closed Close, accordingly realize the circulation of time circulation road or dam.
As a further improvement on the present invention, the passive Thrust-vectoring Nozzle of the bypass type is anterior by changeover portion and gondola Power set connect.
As a further improvement on the present invention, the passive Thrust-vectoring Nozzle of the bypass type is two-dimensional nozzle or axial symmetry Jet pipe;When the passive Thrust-vectoring Nozzle of bypass type is two-dimensional nozzle, the section of changeover portion is square for one end circle, one end, and mistake The round nose for crossing section is connected with the liquid stream outlet of gondola front portion power set, and the square end of changeover portion is then passive with bypass type Thrust-vectoring Nozzle connects;When the passive Thrust-vectoring Nozzle of bypass type is axisymmetric nozzle, the section of changeover portion is circle.
As a further improvement on the present invention, when the passive Thrust-vectoring Nozzle of the bypass type is two-dimensional nozzle, described one Venturi front portion converging portion includes two pieces of triangular bumps set relative to spout body axisymmetrical, and respectively left triangle is convex Block and right triangle projection;The base of the left triangle projection and the base of right triangle projection are disposed opposite to each other, and left triangle The summit of shape projection and the summit of right triangle projection are disposed adjacent;Between the left triangle projection and the wall of spout body Left circulation road is formed, left valve is installed on left circulation road, and shape between right left triangle projection and the wall of spout body Into right circulation road, right valve is installed on right circulation road.
Another technical purpose of the present invention is a kind of propulsion method of marine propulsion, including following two modes:
I, the left valve of the passive Thrust-vectoring Nozzle of bypass type is adjusted so that from the outlet stream of the passive Thrust-vectoring Nozzle of bypass type The current direction left avertence gone out turns, and promotes propulsion gondola peculiar to vessel by power to the right, and then cause hull by corresponding controling power Square, so as to adjust fore travel direction;When marine propulsion is arranged on after hull position of centre of gravity, regulation bypass type is passive The left valve of Thrust-vectoring Nozzle, eventually promotes fore travel direction to the left;When marine propulsion is arranged on hull center of gravity When before position, the left valve of the passive Thrust-vectoring Nozzle of bypass type is adjusted, eventually promotes fore travel direction to the right;
II, the right valve for adjusting the passive Thrust-vectoring Nozzle of bypass type so that from the outlet of the passive Thrust-vectoring Nozzle of bypass type The current direction right avertence of outflow turns, and promotes propulsion gondola peculiar to vessel by power to the left, and then cause hull by corresponding control Torque, so as to adjust fore travel direction;When marine propulsion be arranged on hull position of centre of gravity after when, regulation bypass type without The right valve of source Thrust-vectoring Nozzle, then eventually promote fore travel direction to the right;When marine propulsion is arranged on hull When before position of centre of gravity, adjust the passive Thrust-vectoring Nozzle of bypass type right valve, then eventually promote fore travel direction to It is left.
According to above-mentioned technical scheme, relative to prior art, the present invention has the advantage that:
Because the present invention in the fluid outlet of propulsion gondola peculiar to vessel is equipped with bypass type passive Thrust-vectoring Nozzle, therefore, need not In the case that steering power part is provided, it is only necessary to adjust in the passive Thrust-vectoring Nozzle of bypass type, secondary circulation road control valve, Fore travel direction can be changed by changing the flow direction of current in the passive Thrust-vectoring Nozzle of bypass type.
Brief description of the drawings
Fig. 1 is the schematic three dimensional views of the present invention using the passive Thrust-vectoring Nozzle of dual vector bypass type;
Fig. 2 is the schematic three dimensional views of the present invention using the passive Thrust-vectoring Nozzle of axisymmetric vectoring bypass type;
Fig. 3 is structure level sectional view of the present invention
Wherein:1st, gondola connection end;2nd, the passive Thrust-vectoring Nozzle of bypass type;3rd, changeover portion;4th, gondola front portion power set;
The passive Thrust-vectoring Nozzle of bypass type includes:2.a, mainstream channel;2.b, a venturi;2.c, a venturi front portion converging portion; 2.d, cavity;2.e, left valve;2.f, right valve;2.g, left circulation road;2.h, right circulation road;2.i, nozzle exit.
Embodiment
With reference to the accompanying drawings and detailed description, the present invention is furture elucidated.It should be understood that following embodiments are only For illustrating the present invention rather than limitation the scope of the present invention.It should be noted that these accompanying drawings are simplified schematic diagram, Only illustrate the basic structure of the present invention in a schematic way, therefore it only shows the composition relevant with the present invention.
As shown in Figures 1 to 3, the marine propulsion of the present invention based on the passive Thrust-vectoring Nozzle of bypass type, bag Gondola front portion power set are included, liquid stream outlet and the passive Thrust-vectoring Nozzle of bypass type of gondola front portion power set connect Logical, the outer wall of the passive Thrust-vectoring Nozzle of the bypass type is fitted with gondola connection end.
As shown in figure 3, the passive Thrust-vectoring Nozzle of bypass type includes spout body, the inner flow passage of spout body according to Fluid flow direction is disposed with a venturi front portion converging portion, a venturi, cavity, nozzle exit;Spout body is anterior in a venturi The opening position of converging portion, there are two runners, respectively along the mainstream channel of spout body axis setting and in a venturi Secondary circulation road between anterior converging portion and spout body wall, and mainstream channel at the entrance location of a venturi with The outlet of secondary circulation road;Valve is installed on the secondary circulation road, by valve opening or closure, accordingly realized secondary The circulation of circulation road is dammed.
When the passive Thrust-vectoring Nozzle of bypass type is two-dimensional nozzle, the venturi front portion converging portion includes two pieces of phases The triangular bump set for spout body axisymmetrical, respectively left triangle projection and right triangle projection;The left side The base of triangular bump and the base of right triangle projection are disposed opposite to each other, and the summit of left triangle projection and right triangle are convex The summit of block is disposed adjacent;Left circulation road, left circulation are formed between the left triangle projection and the wall of spout body Left valve is installed on road, and right circulation road is formed between right left triangle projection and the wall of spout body, right circulation road The upper right valve of installation.
As shown in Figure 1 and Figure 2, the passive Thrust-vectoring Nozzle of the bypass type passes through changeover portion and gondola front portion power set Connection;The passive Thrust-vectoring Nozzle of bypass type is two-dimensional nozzle or axisymmetric nozzle;The passive thrust vectoring spray of bypass type Manage for two-dimensional nozzle when, as shown in figure 1, the section of changeover portion is that one end is circular, one end is square, and the round nose of changeover portion is with hanging The liquid stream outlet connection of cabin front portion power set, and then Thrust-vectoring Nozzle passive with bypass type connects the square end of changeover portion Connect;When the passive Thrust-vectoring Nozzle of bypass type is axisymmetric nozzle, as shown in Fig. 2 the section of changeover portion is circle.
At work, current flow through changeover portion to propulsion gondola peculiar to vessel by gondola front portion power set, then flow into bypass type Passive Thrust-vectoring Nozzle.
When the left valve opening of the passive Thrust-vectoring Nozzle of bypass type, have part current and flowed into along left circulation road One venturi, give main flow one momentum to the right in a venturi so that water velocity section deflects counterclockwise at a venturi, then passes through The enlarge-effect of cavity so that the outlet stream of nozzle exit deflects to the left.So that peculiar to vessel promote gondola by the right Power, ship can be by corresponding torques, and position of the specific control moment action effect also with gondola installation aboard ship is relevant, so as to real Now the corresponding fore traveling of change without rotary power part is pointed to.
At work, principle is same as above propulsion gondola peculiar to vessel during right valve by adjusting the passive Thrust-vectoring Nozzle of bypass type Described in text, it will not be described here.
Therefore, another technical purpose of the invention is a kind of propulsion method of marine propulsion, including following two sides Formula:
I, the left valve of the passive Thrust-vectoring Nozzle of bypass type is adjusted so that from the outlet stream of the passive Thrust-vectoring Nozzle of bypass type The current direction left avertence gone out turns, and promotes propulsion gondola peculiar to vessel by power to the right, and then cause hull by corresponding controling power Square, so as to adjust fore travel direction;
II, the right valve for adjusting the passive Thrust-vectoring Nozzle of bypass type so that from the outlet of the passive Thrust-vectoring Nozzle of bypass type The current direction right avertence of outflow turns, and promotes propulsion gondola peculiar to vessel by power to the left, and then cause hull by corresponding control Torque, so as to adjust fore travel direction.
Marine propulsion be arranged on hull position of centre of gravity it is front and rear, by adjust the passive Thrust-vectoring Nozzle of bypass type come Promote fore travel direction can be variant:If marine propulsion is arranged on after hull position of centre of gravity, regulation bypass type is passive The left valve of Thrust-vectoring Nozzle, eventually promotes fore travel direction to the left, and adjusts the passive Thrust-vectoring Nozzle of bypass type Right valve, then eventually promote fore travel direction to the right;If conversely, marine propulsion be arranged on hull position of centre of gravity it Before, the left valve of the passive Thrust-vectoring Nozzle of bypass type is adjusted, eventually promotes fore travel direction to the right, and adjust bypass type The right valve of passive Thrust-vectoring Nozzle, then eventually promote fore travel direction to the left.

Claims (6)

1. a kind of marine propulsion based on the passive Thrust-vectoring Nozzle of bypass type, including gondola front portion power set, it is special Sign is that the liquid stream outlet of gondola front portion power set connects with the passive Thrust-vectoring Nozzle of bypass type, the bypass type The outer wall of passive Thrust-vectoring Nozzle is fitted with gondola connection end.
2. marine propulsion according to claim 1, it is characterised in that the passive Thrust-vectoring Nozzle of bypass type includes Spout body, the inner flow passage of spout body according to fluid flow direction be disposed with a venturi front portion converging portion, a venturi, cavity, Nozzle exit;Spout body has two runners, respectively along spout body axle in the opening position of a venturi front portion converging portion The mainstream channel and the secondary circulation road between a venturi front portion converging portion and spout body wall that line is set, and mainstream channel At the entrance location of a venturi with the outlet of time circulation road;Valve is installed on the secondary circulation road, passed through Valve opening or closure, accordingly realize the circulation of time circulation road or dam.
3. marine propulsion according to claim 2, it is characterised in that the passive Thrust-vectoring Nozzle of bypass type passes through Changeover portion is connected with gondola front portion power set.
4. marine propulsion according to claim 3, it is characterised in that the passive Thrust-vectoring Nozzle of bypass type is two First jet pipe or axisymmetric nozzle;When the passive Thrust-vectoring Nozzle of bypass type is two-dimensional nozzle, the section of changeover portion is justified for one end Shape, one end are square, and the round nose of changeover portion is connected with the liquid stream outlet of gondola front portion power set, and changeover portion is square End is then connected with the passive Thrust-vectoring Nozzle of bypass type;When the passive Thrust-vectoring Nozzle of bypass type is axisymmetric nozzle, changeover portion Section for circle.
5. marine propulsion according to claim 2, it is characterised in that the passive Thrust-vectoring Nozzle of bypass type is two During first jet pipe, the venturi front portion converging portion includes two pieces of triangular bumps set relative to spout body axisymmetrical, Respectively left triangle projection and right triangle projection;The base of the left triangle projection and the base phase of right triangle projection The back of the body is set, and the summit of left triangle projection and the summit of right triangle projection are disposed adjacent;The left triangle projection and spray Left circulation road is formed between the wall of tube body, left valve is installed on left circulation road, and right left triangle projection and jet pipe Right circulation road is formed between the wall of body, right valve is installed on right circulation road.
6. a kind of propulsion method of marine propulsion, it is characterised in that including following two modes:
I, the left valve of the passive Thrust-vectoring Nozzle of bypass type is adjusted so that from the outlet stream of the passive Thrust-vectoring Nozzle of bypass type The current direction left avertence gone out turns, and promotes propulsion gondola peculiar to vessel by power to the right, and then cause hull by corresponding controling power Square, so as to adjust fore travel direction;When marine propulsion is arranged on after hull position of centre of gravity, regulation bypass type is passive The left valve of Thrust-vectoring Nozzle, eventually promotes fore travel direction to the left;When marine propulsion is arranged on hull center of gravity When before position, the left valve of the passive Thrust-vectoring Nozzle of bypass type is adjusted, eventually promotes fore travel direction to the right;
II, the right valve for adjusting the passive Thrust-vectoring Nozzle of bypass type so that from the outlet of the passive Thrust-vectoring Nozzle of bypass type The current direction right avertence of outflow turns, and promotes propulsion gondola peculiar to vessel by power to the left, and then cause hull by corresponding control Torque, so as to adjust fore travel direction;When marine propulsion be arranged on hull position of centre of gravity after when, regulation bypass type without The right valve of source Thrust-vectoring Nozzle, then eventually promote fore travel direction to the right;When marine propulsion is arranged on hull When before position of centre of gravity, adjust the passive Thrust-vectoring Nozzle of bypass type right valve, then eventually promote fore travel direction to It is left.
CN201710655185.3A 2017-08-03 2017-08-03 Marine propulsion and its propulsion method based on the passive Thrust-vectoring Nozzle of bypass type Pending CN107628214A (en)

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CN201710655185.3A CN107628214A (en) 2017-08-03 2017-08-03 Marine propulsion and its propulsion method based on the passive Thrust-vectoring Nozzle of bypass type

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CN201710655185.3A CN107628214A (en) 2017-08-03 2017-08-03 Marine propulsion and its propulsion method based on the passive Thrust-vectoring Nozzle of bypass type

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109969367A (en) * 2019-04-15 2019-07-05 汪一平 Spindle axis vortex vane type vector propulsion device peculiar to vessel
CN112776966A (en) * 2020-09-09 2021-05-11 南京航空航天大学 Ship propulsion system based on fluid vectoring nozzle and propulsion method thereof

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69114002T2 (en) * 1991-08-09 1996-04-18 Intermarine Spa Water jet propulsion device.
JP2001080580A (en) * 1999-09-10 2001-03-27 Ishigaki Co Ltd Water jet propulsion device
CN1876491A (en) * 2006-05-31 2006-12-13 中国人民解放军国防科学技术大学 High speed ship thruster
CN105443268A (en) * 2015-11-26 2016-03-30 南京航空航天大学 Bypass type passive double-throat pneumatic vector spraying pipe with flow regulating function and control method
CN105555655A (en) * 2013-09-03 2016-05-04 若热·阿尔贝托·费雷拉·诺拉斯 Self-propelled craft

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69114002T2 (en) * 1991-08-09 1996-04-18 Intermarine Spa Water jet propulsion device.
JP2001080580A (en) * 1999-09-10 2001-03-27 Ishigaki Co Ltd Water jet propulsion device
CN1876491A (en) * 2006-05-31 2006-12-13 中国人民解放军国防科学技术大学 High speed ship thruster
CN105555655A (en) * 2013-09-03 2016-05-04 若热·阿尔贝托·费雷拉·诺拉斯 Self-propelled craft
CN105443268A (en) * 2015-11-26 2016-03-30 南京航空航天大学 Bypass type passive double-throat pneumatic vector spraying pipe with flow regulating function and control method

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109969367A (en) * 2019-04-15 2019-07-05 汪一平 Spindle axis vortex vane type vector propulsion device peculiar to vessel
CN109969367B (en) * 2019-04-15 2024-04-05 汪一平 Spindle shaft vortex vane type vector propulsion device for ship
CN112776966A (en) * 2020-09-09 2021-05-11 南京航空航天大学 Ship propulsion system based on fluid vectoring nozzle and propulsion method thereof
CN112776966B (en) * 2020-09-09 2022-07-29 南京航空航天大学 Ship propulsion system based on fluid vectoring nozzle and propulsion method thereof

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CB03 Change of inventor or designer information
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Inventor after: Xu Jinglei

Inventor after: Lin Yongchen

Inventor after: Huang Shuai

Inventor after: Xu Baocheng

Inventor after: Chen Kuangshi

Inventor after: Wang Feng

Inventor before: Lin Yongchen

Inventor before: Xu Jinglei

Inventor before: Huang Shuai

Inventor before: Xu Baocheng

Inventor before: Chen Kuangshi

Inventor before: Wang Feng

RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20180126