CN111409801A - Underwater vehicle wake flow adjusting device - Google Patents
Underwater vehicle wake flow adjusting device Download PDFInfo
- Publication number
- CN111409801A CN111409801A CN202010279622.8A CN202010279622A CN111409801A CN 111409801 A CN111409801 A CN 111409801A CN 202010279622 A CN202010279622 A CN 202010279622A CN 111409801 A CN111409801 A CN 111409801A
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- CN
- China
- Prior art keywords
- flow
- underwater vehicle
- wake
- air guide
- guide sleeve
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- 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.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63G—OFFENSIVE OR DEFENSIVE ARRANGEMENTS ON VESSELS; MINE-LAYING; MINE-SWEEPING; SUBMARINES; AIRCRAFT CARRIERS
- B63G8/00—Underwater vessels, e.g. submarines; Equipment specially adapted therefor
- B63G8/001—Underwater vessels adapted for special purposes, e.g. unmanned underwater vessels; Equipment specially adapted therefor, e.g. docking stations
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63G—OFFENSIVE OR DEFENSIVE ARRANGEMENTS ON VESSELS; MINE-LAYING; MINE-SWEEPING; SUBMARINES; AIRCRAFT CARRIERS
- B63G8/00—Underwater vessels, e.g. submarines; Equipment specially adapted therefor
- B63G8/08—Propulsion
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- 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
- B63H1/15—Propellers having vibration damping means
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- 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
Abstract
The invention discloses an underwater vehicle wake flow adjusting device and an adjusting method thereof. The underwater vehicle wake flow adjusting device adjusts the nonuniformity of the wake flow field through the shape structures of the guide cover and the supporting plate, and can adjust and control the electromagnetic control nozzle in real time according to the wake flow field information acquired by the central controller of the underwater vehicle, so as to adjust the flow, the flow speed and the direction of the water flow of the electromagnetic control nozzle, and further change the nonuniformity of the wake flow field of the underwater vehicle. The wake flow adjusting device of the underwater vehicle realizes real-time and accurate regulation and control of the wake flow field of the vehicle by means of the central controller of the vehicle, ensures the propelling efficiency of the propeller and ensures that the vehicle smoothly navigates underwater.
Description
Technical Field
The invention belongs to the technical field of ship and ocean engineering, and particularly relates to a wake flow adjusting device of an underwater vehicle.
Background
The underwater vehicle is a navigation body navigating underwater, comprises a manned underwater vehicle and an unmanned underwater vehicle, can perform underwater exploration, detection, even attack and defense in military and the like by virtue of the underwater vehicle, and plays an important role in both the civil field and the military field. With the increasing importance of ocean development today, research and improvement of underwater vehicles are more and more emphasized in various countries.
When the underwater vehicle sails in water, the stern cone shell of the underwater vehicle and the cylindrical surrounding shell on the ship body can cause the tail flow field of the underwater vehicle to be strongly distorted, and the propeller thruster can generate strong axial thrust vibration and hydrodynamic radiation noise in the distorted flow field. The underwater vehicle wake flow adjusting device is used for adjusting a flow field at the tail of a vehicle, so that the forward flow speed of a propeller disc of the propeller is uniform, and the vibration and sound radiation of the underwater vehicle are reduced.
The conventional wake flow adjusting device of the underwater vehicle is generally a passive blade type air guide sleeve, blades are fixed on the inner wall surface of the air guide sleeve and a stern cone shell, the nonuniformity of a flow field cannot be actively changed, the flow speed, the flow and the direction of incoming flow in front of a propeller disc of a propeller cannot be timely adjusted, and the vibration and noise reduction effect of the underwater vehicle is very limited.
Disclosure of Invention
The invention provides an underwater vehicle wake flow adjusting device which is arranged on the outer surface of a stern cone shell of an underwater vehicle, and aims to change the nonuniformity of a wake flow field of the vehicle and reduce the radiation noise and vibration of a propeller.
The invention provides a wake flow adjusting device of an underwater vehicle, which comprises a centrifugal pump, a drainage tube, a flow guide cover, a supporting plate, a spray pipe and an electromagnetic control nozzle;
uniformly arranging support plates on the outer surface of a stern cone shell of the underwater vehicle in the circumferential direction;
one end of each support plate is fixedly connected with a stern cone shell of the aircraft, the other end of each support plate is fixedly connected with the flow guide cover, and the inner cavity of each support plate is communicated with the inner cavity of the flow guide cover;
spray pipes are uniformly arranged on the outer surface of the air guide sleeve in the circumferential direction;
one end of each spray pipe is communicated with the inner cavity of the air guide sleeve, and the other end of each spray pipe is provided with a fixed electromagnetic control nozzle;
the inner cavity of the air guide sleeve is also communicated with the drainage tube;
one end of the drainage tube is fixedly connected with the air guide sleeve, and the other end of the drainage tube is fixedly connected with the centrifugal pump;
the centrifugal pump is fixedly arranged at the stern part of the underwater vehicle and is connected with the air guide sleeve through the drainage tube;
water flow input by the centrifugal pump is injected into the air guide sleeve, each spray pipe communicated with the inner cavity of the air guide sleeve and the inner cavity of the supporting plate along the drainage pipe, flows to the electromagnetic control nozzle through the spray pipes, and is sprayed out from a water outlet hole formed in the electromagnetic control nozzle.
Preferably, the cross section of the air guide sleeve is an airfoil shape, and the cross section of the support plate is also an airfoil shape.
Preferably, 4 support plates are uniformly arranged on the outer surface of the stern cone shell of the underwater vehicle in the circumferential direction.
Preferably, 8 spray pipes are uniformly arranged on the outer surface of the air guide sleeve in the circumferential direction.
Preferably, each spray pipe is correspondingly provided with one electromagnetic control nozzle;
one end of each spray pipe connected with the fixed electromagnetic control nozzle is set as a right-angle bent pipe, so that the corresponding electromagnetic control nozzle faces the propeller.
Preferably, the underwater vehicle wake flow adjusting device further comprises an electromagnetic injection controller, and the electromagnetic injection controller is used for adjusting and controlling the flow rate, the flow speed and the direction of the water flow of the water flowing out from each electromagnetic control nozzle.
Preferably, the electromagnetic injection controller adjusts and controls the electromagnetic control nozzle according to wake field information acquired by a central controller of the underwater vehicle, so that the nonuniformity of the wake field of the underwater vehicle is autonomously adjusted.
The invention also provides an adjusting method based on the underwater vehicle wake flow adjusting device, which comprises the following steps:
3, injecting the accelerated and pressurized water flow into the inner cavity of the air guide sleeve along the drainage tube, and each spray pipe and the inner cavity of the supporting plate which are communicated with the inner cavity of the air guide sleeve, wherein the flow flows to each spray pipe and is connected with a corresponding electromagnetic control nozzle;
and 5, continuously acquiring wake field information by the central controller, sending the wake field information to the electromagnetic injection controller, and repeating the steps 1 to 4 until the underwater navigation of the aircraft is finished.
Preferably, the adjusting method adjusts the wake field of the aircraft in real time, and the water flow, the flow speed and the direction setting in the step 1 are changed along with the change of the water flow state of the wake field.
Preferably, the adjusting method realizes real-time adjustment of the wake field by regulating and controlling the adjusting device through a central controller of the aircraft.
According to the device and the method for adjusting the wake flow of the underwater vehicle, provided by the invention, the electromagnetic control nozzle can be adjusted and controlled in real time according to the wake flow field information acquired by the central controller of the underwater vehicle, so that the adjustment of the flow, the flow speed and the direction of the water flow of the electromagnetic control nozzle is realized, and the nonuniformity of the wake flow field of the underwater vehicle is further changed.
Drawings
FIG. 1 is a schematic diagram of a semi-section structure of a wake flow adjusting device of an underwater vehicle, which is arranged on a stern cone shell of the vehicle;
FIG. 2 is a front view of the pod.
Detailed Description
The present invention will be further described by the detailed description of preferred embodiments with reference to the accompanying drawings.
The wake flow adjusting device of the underwater vehicle comprises a centrifugal pump 2, a drainage tube 3, a flow guide cover 4, a supporting plate 5, a spray pipe 6 and an electromagnetic control nozzle 7. Fig. 1 is a schematic diagram of a semi-section structure of an underwater vehicle wake flow adjusting device installed on a stern cone shell 1 of an underwater vehicle, and as shown in fig. 1, the underwater vehicle wake flow adjusting device is fixedly connected to the outer surface of the stern cone shell 1 of the underwater vehicle through a support plate 5.
A plurality of support plates 5 can be circumferentially and uniformly arranged on the outer surface of a stern cone shell 1 of an underwater vehicle, the number of the arranged support plates 5 can be selected according to the size of the vehicle or other requirements, and 4 support plates are preferably arranged in practical application. Each support plate 5 can be fixed on the outer surface of the stern cone shell 1 of the underwater vehicle through welding connection.
One end of each supporting plate 5 is fixedly connected to the outer surface of the stern cone shell 1 of the underwater vehicle through welding, and the other end of each supporting plate is fixedly connected with the air guide sleeve 4 through welding. Cavities are arranged in the supporting plate 5 and the air guide sleeve 4, the structural surfaces are in streamline design, the transverse sections are wing-shaped, so that the resistance of the underwater navigation vehicle is controlled, specifically, the supporting plate 5 can be in a structure similar to a wing, and the air guide sleeve 4 can be in a structure similar to a rugby ball. The inner cavity of the support plate 5 is communicated with the inner cavity of the air guide sleeve 4, the inner cavities of the support plate 5 and the air guide sleeve 4 can be used for storing high-pressure high-speed jet water flow input by the centrifugal pump 2, and the shape structure of the air guide sleeve can reduce navigation resistance and adjust the nonuniformity of a tail flow field of a navigation vehicle.
A plurality of spray pipes 6 are uniformly arranged on the outer surface of the air guide sleeve 4 in the circumferential direction, as shown in fig. 2, the number of the arranged spray pipes 6 can be selected according to actual needs, and 8 spray pipes are preferably and uniformly arranged on the outer surface of the air guide sleeve 4 in actual application. Each spray pipe 6 can be fixedly connected with the air guide sleeve 4 through welding connection, and the inner cavity of the air guide sleeve 4 is communicated with each spray pipe 6.
The air guide sleeve 4 is also connected with the drainage tube 3 and is indirectly connected with the centrifugal pump 2 through the drainage tube 3. Specifically, one end of the drainage tube 3 is fixedly connected to the centrifugal pump 2, and the other end of the drainage tube is fixedly connected to the air guide sleeve 4 in a welding connection mode and the like and is communicated with the inner cavity of the air guide sleeve 4.
The centrifugal pump 2 is fixedly arranged at the stern of the underwater vehicle, the centrifugal pump 2 provides high-pressure and high-speed water flow for the wake flow adjusting device of the underwater vehicle, and the centrifugal pump 2 provides mechanical power by a driving shaft extending out of a cone shell 1 at the stern of the underwater vehicle to accelerate and pressurize the water flow. When the aircraft sails underwater and has wake field distortion, the centrifugal pump 2 transports a large amount of water flow to be injected into the inner cavity of the air guide sleeve 4 through the drainage tube 3, and each spray pipe 6 and the inner cavity of the support plate 5 which are communicated with the inner cavity of the air guide sleeve 4.
One end of each spray pipe 6 is fixedly connected with the air guide sleeve 4, and the other end of each spray pipe is designed into a right-angle bent pipe, so that an electromagnetic control nozzle 7 connected to the end faces the propeller; the water flow transported by the centrifugal pump 2 flows to the electromagnetic control nozzles 7 correspondingly connected with the spray pipes through the spray pipes 6 and is sprayed out through water outlet holes formed in the electromagnetic control nozzles 7.
The underwater vehicle wake flow adjusting device also comprises an electromagnetic injection controller, and the electromagnetic injection controller is used for adjusting and controlling the flow, the flow speed and the direction of water flow sprayed out by the electromagnetic control nozzle 7. Specifically, the aircraft acquires wake field information, such as the flow direction, the flow velocity and the like of wake field water flow, through a central controller of the aircraft, the central controller transmits the wake field information to the electromagnetic injection controller through cable communication, and the electromagnetic injection controller generates a corresponding adjustment instruction according to the received wake field information, adjusts the flow rate, the flow velocity and the direction of the water flow injected by the electromagnetic control nozzle 7, and changes non-uniformity of the wake field. The electromagnetic spray controller is not labeled in fig. 1, and in practical application, the installation position of the electromagnetic spray controller can be selected according to actual needs.
In the underwater navigation process of the aircraft, the central controller of the aircraft sends the acquired wake field information to the electromagnetic injection controller, and the electromagnetic injection controller generates a corresponding adjusting instruction to set the water flow, the flow speed and the direction of the electromagnetic control nozzle 7. The centrifugal pump 2 is opened, and the centrifugal pump 2 provides mechanical power through the driving shaft to accelerate and pressurize water flow and send the water flow into the drainage tube 3. The accelerated and pressurized water flow is injected into the inner cavity of the air guide sleeve 4 along the drainage tube 3, and each spray pipe 6 and the inner cavity of the support plate 5 which are communicated with the inner cavity of the air guide sleeve 4 are rushed to the corresponding electromagnetic control nozzle 7 connected with each spray pipe 6. Each electromagnetic control nozzle 7 sprays water flow according to the set water flow, flow speed and direction to adjust the tail flow field of the aircraft. And the central controller continuously acquires wake field information and sends the wake field information to the electromagnetic injection controller, and the process is repeated until the underwater navigation of the aircraft is finished.
According to the device and the method for adjusting the wake flow of the underwater vehicle, provided by the invention, the adjustment of the nonuniformity of the wake flow field of the vehicle is real-time, and the flow, the flow speed and the direction setting of the water flow sprayed by the electromagnetic control nozzle 7 are continuously adjusted along with the change of the water flow state of the wake flow field. The adjusting device is regulated and controlled by the central controller of the aircraft to realize real-time adjustment of the wake field, and the adjusting device is economical and economical. The underwater vehicle wake flow adjusting device provided by the invention adjusts the nonuniformity of the wake flow field by means of the central controller of the vehicle, has more accurate adjusting operation and obvious effect, ensures the propelling efficiency of the propeller and ensures the smooth navigation of the vehicle under water.
While the present invention has been described in detail with reference to the preferred embodiments, it should be understood that the above description should not be taken as limiting the invention. Various modifications and alterations to this invention will become apparent to those skilled in the art upon reading the foregoing description. Accordingly, the scope of the invention should be determined from the following claims.
Claims (10)
1. The wake flow adjusting device of the underwater vehicle is characterized by comprising a centrifugal pump, a drainage tube, a flow guide cover, a supporting plate, a spray pipe and an electromagnetic control nozzle;
uniformly arranging support plates on the outer surface of a stern cone shell of the underwater vehicle in the circumferential direction;
one end of each support plate is fixedly connected with a stern cone shell of the aircraft, the other end of each support plate is fixedly connected with the flow guide cover, and the inner cavity of each support plate is communicated with the inner cavity of the flow guide cover;
spray pipes are uniformly arranged on the outer surface of the air guide sleeve in the circumferential direction;
one end of each spray pipe is communicated with the inner cavity of the air guide sleeve, and the other end of each spray pipe is provided with a fixed electromagnetic control nozzle;
the inner cavity of the air guide sleeve is also communicated with the drainage tube;
one end of the drainage tube is fixedly connected with the air guide sleeve, and the other end of the drainage tube is fixedly connected with the centrifugal pump;
the centrifugal pump is fixedly arranged at the stern part of the underwater vehicle and is connected with the air guide sleeve through the drainage tube;
water flow input by the centrifugal pump is injected into the air guide sleeve, each spray pipe communicated with the inner cavity of the air guide sleeve and the inner cavity of the supporting plate along the drainage pipe, flows to the electromagnetic control nozzle through the spray pipes, and is sprayed out from a water outlet hole formed in the electromagnetic control nozzle.
2. The adjustment device of claim 1, wherein the cross-section of the shroud is airfoil shaped and the cross-section of the support plate is airfoil shaped.
3. The adjustment device of claim 1, wherein the outer surface of the stern cone shell of the underwater vehicle is circumferentially and uniformly provided with 4 support plates.
4. The adjustment device of claim 1, wherein the 8 nozzles are circumferentially and uniformly arranged on the outer surface of the air guide sleeve.
5. The regulating device according to claim 1, characterized in that each nozzle is provided with a corresponding electromagnetically controlled nozzle;
one end of each spray pipe connected with the fixed electromagnetic control nozzle is set as a right-angle bent pipe, so that the corresponding electromagnetic control nozzle faces the propeller.
6. The adjustment device of claim 1, wherein the underwater vehicle wake adjustment device further comprises an electromagnetic jetting controller, and the electromagnetic jetting controller is used for adjusting and controlling the flow rate, the flow speed and the direction of the water flow of the water outlet of each electromagnetic control nozzle.
7. The adjustment device according to claim 1, wherein the electromagnetic jet controller adjusts and controls the electromagnetically controlled nozzles according to wake field information collected by a central controller of the underwater vehicle, so as to autonomously adjust the non-uniformity of the wake field of the underwater vehicle.
8. An underwater vehicle wake regulation method is suitable for the regulation device of any one of claims 1 to 7, and is characterized by comprising the following processes:
step 1, the central controller sends the acquired wake field information to an electromagnetic injection controller, the electromagnetic injection controller generates a corresponding adjusting instruction, and the flow, the flow speed and the direction of water flow of each electromagnetic control nozzle are set;
step 2, opening the centrifugal pump, and accelerating and pressurizing the water flow through the centrifugal pump;
3, injecting the accelerated and pressurized water flow into the inner cavity of the air guide sleeve along the drainage tube, and each spray pipe and the inner cavity of the supporting plate which are communicated with the inner cavity of the air guide sleeve, wherein the flow flows to each spray pipe and is connected with a corresponding electromagnetic control nozzle;
step 4, each electromagnetic control nozzle sprays water flow according to the set water flow, flow speed and direction to adjust the tail flow field of the aircraft;
and 5, continuously acquiring wake field information by the central controller, sending the wake field information to the electromagnetic injection controller, and repeating the steps 1 to 4 until the underwater navigation of the aircraft is finished.
9. The method of adjusting according to claim 8, wherein the adjusting method adjusts the wake field of the aircraft in real time, and the flow rate, flow velocity and direction settings in step 1 are changed as the water flow state of the wake field changes.
10. The tuning method of claim 8, wherein the tuning device is manipulated by a central controller onboard the aircraft to achieve real-time tuning of the wake field.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010279622.8A CN111409801B (en) | 2020-04-10 | 2020-04-10 | Underwater vehicle wake flow adjusting device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010279622.8A CN111409801B (en) | 2020-04-10 | 2020-04-10 | Underwater vehicle wake flow adjusting device |
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| CN111409801A true CN111409801A (en) | 2020-07-14 |
| CN111409801B CN111409801B (en) | 2021-01-26 |
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