CN101024418A - Under water flying-body electromag netic heating cavitation apparatus - Google Patents
Under water flying-body electromag netic heating cavitation apparatus Download PDFInfo
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- CN101024418A CN101024418A CNA2007100387809A CN200710038780A CN101024418A CN 101024418 A CN101024418 A CN 101024418A CN A2007100387809 A CNA2007100387809 A CN A2007100387809A CN 200710038780 A CN200710038780 A CN 200710038780A CN 101024418 A CN101024418 A CN 101024418A
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- cavitation device
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T70/00—Maritime or waterways transport
- Y02T70/10—Measures concerning design or construction of watercraft hulls
Abstract
The invention relates to an underwater navigating electromagnetism heating cavitation device. It installs a cavitating device formed by magnetic molecule material on the head of the navigating device, and installs a high frequency alternating electromagnetic field generator in navigating device. When the generator works, the magnetic molecule material would generate eddy current to make molecule moving disorderly in high speed. The molecule would collide and fractionize to generate heat, and the temperature would rise rapidly to achieve vaporizing temperature. The bubble would be formed around the navigating device to decrease the surface friction resistance and improve moving speed.
Description
Technical field
The present invention's sail body cavitation apparatus of paddling down, especially a kind of electromagnetism heating cavitation device that improves the underwater sailing body speed of a ship or plane such as torpedo.
Background technology
At present, advance cube being directly proportional of the required power of navigation and its speed, that is to say, want to make the speed of traditional torpedo in water to double, just must make its thrust power reach original 8 times.Therefore the speed of a ship or plane of traditional torpedo is difficult to break through 60 joints (about 30m/s) usually, mostly about the 25-30 joint.For improving the time marquis that torpedo speed is racked one's brains, but be surprised to find that a highly effective method just when scientists, utilize the cavity of " being out of favour " originally exactly.The first generation " blizzard " (also the someone is translated into " blast " or " wind and snow " etc.) the hyper-speed torpedo that the former Soviet Union (Moscow applied fluid mechanics research institute and Ukraine fluid mechanics research institute with the former Soviet Union domestic industry circle cooperate) succeeded in developing in 1977, break through the speed bottle-neck of traditional torpedo for the mankind and ward off shortcut in addition, it utilizes the cavity theory: when pressure is less than or equal to saturated pressure, medium around the submerged body is by liquid water, through all or part of water vapour that is vaporizated into of phase transformation, form one renewable, gas envelope with the submerged body high-speed motion, because the density of vapour is far smaller than the density of water, when submerged body advances and the surface viscosity power that produces between the surrounding medium greatly descend, the resistance that submerged body advances in cavity is hundreds of/one of advance resistance in water approximately just, so submerged body moves quick just as moving in atmosphere under water.The speed of a ship or plane of the first generation " blizzard " is 200 joints (about 100m/s), and its follow-on speed of a ship or plane has reached 400 joints (about 200m/s)." blizzard " torpedo has the title of submarine-based missile, and so the fast speed torpedo is sailed through to the trajectory target of attack even only adopt, and enemy's naval vessels also are difficult to evade strick precaution usually.
As Fig. 2, above-mentioned prior art adopts a kind of cavitation apparatus " 1 " to produce cavity, and this device is positioned at the head of boat body " 2 ", water is through forming the local depression district behind this cavitation apparatus, under reaching this temperature during water saturation pressure, water will become and is vapour, produces nature cavitation steam bubble " 3 ".But the natural cavity that the cavitation apparatus of prior art produces is smaller, also needs usually natural cavity is injected burnt gas or air to increase cavity, whole underwater sailing body all could be covered.Like this, greatly reduced in the sail body motion process and the viscosity drag between the water.Yet although form supercavitation, the cavitation device of the head of this supercavitation sail body " 1 " directly contacts with water all the time, is subjected to the very big pressure of water, and the direction of this pressure is opposite with sense of motion, makes sail body speed be difficult to further significantly improve.Concerning sail body, it is the main source of supercavitation sail body resistance, also is the key factor that restriction supercavitation sail body speed further improves.
Summary of the invention
In order to solve above-mentioned the deficiencies in the prior art, the object of the present invention is to provide a kind of underwater sailing body electromagnetism heating cavitation device, cavitation device by electromagnetism heating boat body head, cause the temperature build-up on cavitation device surface to meet or exceed vapourizing temperature and cavitation takes place, make the cavitation device of underwater sailing body head and sail body integral body all be wrapped in the supercavitation.
In order to reach the foregoing invention purpose, the present invention adopts following technical proposals:
A kind of underwater sailing body electromagnetism heating cavitation device; The head that it is characterized in that underwater sailing body is installed a cavitation device that is made of the magnetic molecule material, a high frequency arrearing electromagnetic field-changing generator also is installed in sail body, and described cavitation device is among the high frequency alternating electromagnetic field of described high frequency arrearing electromagnetic field-changing generator generation; Magnetic metal material cutting alternation magnetic line of force in the cavitation device, the magnetic metal molecule produces the electric current of alternation, it is eddy current, eddy current makes the random motion of molecule high speed, molecule runs foul of each other, rubs and produces heat energy, the cavitation device surface temperature is raise rapidly, meet or exceed vapourizing temperature and cavitation takes place, thereby underwater sailing body all is wrapped in the supercavitation.
The electric power of above-mentioned high frequency arrearing electromagnetic field-changing generator is 0.1kw～100000kw.
The temperature maintenance of above-mentioned cavitation device is between 100～1000 degree Celsius.
The present invention compared with prior art, have following conspicuous outstanding substantive distinguishing features and remarkable advantage: because the present invention adopts electromagnetic heating method, the heating cavitation device, make its temperature on every side be higher than saturation temperature all the time, cause vaporizing liquid, around whole boat body, form supercavitation, when the boat body advances, bubble is brought in constant renewal in, therefore, water Air China body does not directly contact with water from head to tail, but advances in the bubble high speed, thereby reduce the friction drag of water greatly, improved boat body speed significantly.
Description of drawings
Fig. 1 is the structural representation of one embodiment of the invention.
Fig. 2 is the supercavitation underwater sailing body scheme drawing of prior art.
The specific embodiment
A preferred embodiment of the present invention accompanying drawings is as follows:
Referring to Fig. 1, this underwater sailing body electromagnetism heating cavitation device is that a cavitation device 1 that is made of the magnetic molecule material is installed in sail body 2 heads, and the producer 4 of high frequency alternating electromagnetic field also is installed in sail body 2.By the cavitation device 1 cutting alternation magnetic line of force that the magnetic metal material constitutes, the magnetic metal molecule produces the electric current of alternation, i.e. eddy current, eddy current makes the random motion of molecule high speed, molecule runs foul of each other, rubs and produces heat energy, and temperature raises rapidly, when power is enough, can be between 100～1000 degree with the temperature maintenance of cavitation device 1, water touches hi-heat cavitation device generating gasification, produces cavity 3, and water becomes water vapour, volume increases rapidly, the whole sail body 2 until parcel cavitation device 1 back.
The producer 4 of above-mentioned high frequency alternating electromagnetic field, its electric power are 0.1kw-100000kw, when power is enough, can be between 100～1000 degree with the temperature maintenance of cavitation device 1, and water touches hi-heat cavitation device generating gasification, produces cavity 3.
Further principle of work of the present invention is described below.
The water of 0 degree Celsius, its saturated pressure is 0.0006108MPa, and when temperature was brought up to 100, its saturated pressure improved greatly, becomes 0.10131MPa, brought up to Celsius 300 when spending when temperature, and its saturated pressure is then further brought up to 8.592MPa.Therefore, temperature improves can improve saturated pressure rapidly, reduces the cavitation difficulty.When the body 2 that navigates under water advanced, bubble was brought in constant renewal on the cavitation device 1, and water Air China body does not directly contact with water, but advanced in bubble 3 high speeds, thereby reduced the friction drag of water Air China surface greatly, had improved boat body speed.
Claims (3)
1. underwater sailing body electromagnetism heating cavitation device; The head that it is characterized in that underwater sailing body (2) is installed a cavitation device that is made of the magnetic molecule material (1), a high frequency arrearing electromagnetic field-changing generator (4) also is installed in sail body, and described cavitation device (1) is among the high frequency alternating electromagnetic field of described high frequency arrearing electromagnetic field-changing generator (4) generation; The interior magnetic metal material cutting of cavitation device (1) alternation magnetic line of force, the magnetic metal molecule produces the electric current of alternation, it is eddy current, eddy current makes the random motion of molecule high speed, molecule runs foul of each other, rubs and produces heat energy, cavitation device (1) surface temperature is raise rapidly, meet or exceed vapourizing temperature and cavitation takes place, thereby underwater sailing body all is wrapped in the supercavitation.
2. according to claims 1 described underwater sailing body electromagnetism heating cavitation device, the electric power that it is characterized in that described high frequency arrearing electromagnetic field-changing generator (4) is 0.1kw～100000kw.
3. according to claims 2 described underwater sailing body electromagnetism heating cavitation device, the temperature maintenance that it is characterized in that described cavitation device (1) is between 100～1000 degree Celsius.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100387809A CN101024418A (en) | 2007-03-29 | 2007-03-29 | Under water flying-body electromag netic heating cavitation apparatus |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100387809A CN101024418A (en) | 2007-03-29 | 2007-03-29 | Under water flying-body electromag netic heating cavitation apparatus |
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| CN101024418A true CN101024418A (en) | 2007-08-29 |
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| CNA2007100387809A Pending CN101024418A (en) | 2007-03-29 | 2007-03-29 | Under water flying-body electromag netic heating cavitation apparatus |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102322770A (en) * | 2011-09-14 | 2012-01-18 | 浙江理工大学 | Launching device for water super cavity and high-speed object to access water |
| CN103895807A (en) * | 2014-03-27 | 2014-07-02 | 哈尔滨工程大学 | Four-degree-of-freedom cavitation device mechanism capable of changing control force |
| CN104709435A (en) * | 2015-03-01 | 2015-06-17 | 徐见金 | Triple-hulled manual ventilating supercavitation ship type |
| CN106839902A (en) * | 2017-01-18 | 2017-06-13 | 南京理工大学 | A kind of electromagnetism damping device for high speed underwater sailing body |
| CN108238666A (en) * | 2017-06-12 | 2018-07-03 | 大连双迪创新科技研究院有限公司 | Over-saturation hydrogen-rich water dispenser |
| CN108725687A (en) * | 2017-04-14 | 2018-11-02 | 南京理工大学 | It is a kind of to be used for the electromagnetic control apparatus with tail on high speed underwater sailing body |
| CN110749416A (en) * | 2019-10-25 | 2020-02-04 | 哈尔滨工程大学 | Electromagnetic type super-cavitation experimental device |
| CN112046744A (en) * | 2020-09-15 | 2020-12-08 | 中国人民解放军国防科技大学 | Supercavitation amphibious hydrofoil cross-medium ground effect aircraft |
| CN113694856A (en) * | 2021-08-27 | 2021-11-26 | 江苏大学 | Device and method for preparing two-dimensional material nanosheet by virtue of cavitation effect generated at local high temperature |
| CN114813035A (en) * | 2022-04-12 | 2022-07-29 | 厦门大学 | Thermal surface cavitation synergistic resistance reduction test device and method |
-
2007
- 2007-03-29 CN CNA2007100387809A patent/CN101024418A/en active Pending
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102322770A (en) * | 2011-09-14 | 2012-01-18 | 浙江理工大学 | Launching device for water super cavity and high-speed object to access water |
| CN102322770B (en) * | 2011-09-14 | 2013-12-04 | 浙江理工大学 | Launching device for water super cavity and high-speed object to access water |
| CN103895807A (en) * | 2014-03-27 | 2014-07-02 | 哈尔滨工程大学 | Four-degree-of-freedom cavitation device mechanism capable of changing control force |
| CN104709435A (en) * | 2015-03-01 | 2015-06-17 | 徐见金 | Triple-hulled manual ventilating supercavitation ship type |
| CN106839902A (en) * | 2017-01-18 | 2017-06-13 | 南京理工大学 | A kind of electromagnetism damping device for high speed underwater sailing body |
| CN108725687A (en) * | 2017-04-14 | 2018-11-02 | 南京理工大学 | It is a kind of to be used for the electromagnetic control apparatus with tail on high speed underwater sailing body |
| CN108238666A (en) * | 2017-06-12 | 2018-07-03 | 大连双迪创新科技研究院有限公司 | Over-saturation hydrogen-rich water dispenser |
| CN108238666B (en) * | 2017-06-12 | 2023-10-27 | 大连双迪创新科技研究院有限公司 | Hydrogen-rich water dispenser |
| CN110749416A (en) * | 2019-10-25 | 2020-02-04 | 哈尔滨工程大学 | Electromagnetic type super-cavitation experimental device |
| CN110749416B (en) * | 2019-10-25 | 2022-04-05 | 哈尔滨工程大学 | Electromagnetic type super-cavitation experimental device |
| CN112046744A (en) * | 2020-09-15 | 2020-12-08 | 中国人民解放军国防科技大学 | Supercavitation amphibious hydrofoil cross-medium ground effect aircraft |
| CN113694856A (en) * | 2021-08-27 | 2021-11-26 | 江苏大学 | Device and method for preparing two-dimensional material nanosheet by virtue of cavitation effect generated at local high temperature |
| CN113694856B (en) * | 2021-08-27 | 2022-10-28 | 江苏大学 | Device and method for preparing two-dimensional material nanosheet by virtue of cavitation effect generated at local high temperature |
| CN114813035A (en) * | 2022-04-12 | 2022-07-29 | 厦门大学 | Thermal surface cavitation synergistic resistance reduction test device and method |
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