JPH0634298A - Method and apparatus for electrohterm chemically shooting - Google Patents

Abstract

(57) [Summary] [Object] The present invention relates to an electrothermal chemical emission method and device, and more particularly, the high temperature and high pressure product gas produced by a chemical reaction with water has an average molecular weight of about 20 g / mol or less. It is characterized by using metal and accelerating and firing at a speed faster than gunpowder guns. The electrothermal chemical emission method and apparatus according to the present invention comprises:
When a bullet (2) is launched using a product gas generated by a chemical reaction between water (16) and the metal (17), the metal (1) having an average molecular weight of the product gas of about 20 g / mol or less is used.
This is a configuration that uses 7).

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electrothermal chemical emission method and apparatus, and more particularly, to a metal having an average molecular weight of about 20 g / mol or less in a high temperature and high pressure produced gas produced by a chemical reaction with water. It relates to a new improvement for accelerating and firing at speeds higher than gunpowder guns.

[0002]

2. Description of the Related Art As a first conventional example of this type of electrothermal chemical emission method which has been conventionally used, the constitution of page 23 of the National Defense magazine issued in September 1990 shown in FIG. As a reaction product, aluminum, titanium or an alloy powder thereof as a metal was mixed with water and used as a slurry. That is, what is denoted by reference numeral 1 in FIG. 4 is a barrel having a barrel cavity 1a and a magazine portion 1b. Inside the magazine portion 1b, a cartridge 3 having a projectile 2 at its tip is loaded and a stopper 4 is provided. Has been. Further, in the cartridge 3, a reactant mixture 5 composed of water 16 and metal powder 17 is provided in contact with the flying body 2, and a plasma generating insulator 7 is attached to a cathode 6 in contact with the reactant mixture 5. It is provided. A rear portion 8a of an anode 8 provided in the rear portion of the plasma generating insulator 7 penetrates the stopper 4 and is exposed on the surface of the cartridge 3, and a fuse 9 is provided between the anode 8 and the cathode 6. ing. Further, the rear portion 8a
A switch 10 and a power supply 11 are connected in series between the cathode and the cathode 6.

The above-mentioned first conventional example is constructed as described above, and its operation will be described below. First, when the switch 10 is closed, a current flows from the power source 11 to the fuse 9 through the anode 8 and the cathode 6, and the fuse 9 is evaporated by Joule heat and becomes plasma. Further, a part of the plasma generating insulator 7 is also turned into plasma due to the high temperature, and these plasmas are injected into the slurry-like reactant mixture 5. Next, these plasmas induce a chemical reaction of the reactant mixture 5, that is, a metal oxidation and a water reduction reaction, to generate a high-temperature, high-pressure generated gas, which is generated by the flying body 2. Press, this projectile 2 is barrel 1
It is accelerated and fired inside.

Further, in the case of the second conventional example shown in FIG. 5, the applicant of the present invention has an in-house experiment. That is, FIG.
Reference numeral 3 in FIG. 1 is a cartridge having a holder 12 having a bullet 2 screwed therein, and a current introducing terminal 14 and an aluminum plate are provided at both ends of a water chamber 13 formed in an insulator 3A of the cartridge 3. Conductive plate 15 made of a circular plate
Is provided.

Water 16 and an aluminum fuse 17a are provided in the water chamber 13, and the aluminum fuse 17a is provided so as to be connected between the current introducing terminal 14 and the conductive plate 15.

When aluminum fuse 17a is energized from a power source (not shown) in the above-mentioned structure, aluminum fuse 17a and water 16 are heated by Joule heat,
Oxidation with the aluminum fuse 17a and reduction reaction of the water 16 occur to generate a high-temperature, high-pressure generated gas mainly containing hydrogen, and the bullet 2 is fired by this generated gas.

Since the conventional electrothermal chemical emission method is constructed as described above, the following problems exist.
That is, since aluminum or titanium is used as the reaction metal, the produced gas is mainly hydrogen gas, but it is a mixed gas with a heavy metal oxide, and its average molecular weight is considerably heavy at about 30 g / mol, High speed cannot be obtained as it is, and in order to achieve high speed, it is necessary to separate heavy gas components by centrifugation or the like. For that reason, the structure is complicated and the shape is extremely large.

[0008]

The present invention has been made to solve the above problems, and in particular, the average molecular weight of the high temperature and high pressure product gas produced by a chemical reaction with water is about It is an object of the present invention to provide an electrothermal chemical launching method and apparatus for accelerating and launching at a speed higher than that of an explosive gun by using a metal of 20 g / mol or less.

[0009]

The electrothermal chemical firing method according to the present invention is an electrothermal chemical firing method in which a bullet is fired using a produced gas generated by a chemical reaction between water and a metal. It is a method using the above metal having a molecular weight of 20 g / mol or less.

In another electrothermal chemical firing method according to the present invention, a bullet is fired by using a generated gas generated by a chemical reaction caused by injecting a plasma into a reactant mixture consisting of water and metal powder. In the electrothermal chemical emission method,
It is a method of using the metal in which the average molecular weight of the produced gas is 20 g / mol or less.

Further, another electrothermal chemical firing method according to the present invention is an electrothermal method in which a metal fuse provided in water is energized and a bullet is fired by using a generated gas generated by a chemical reaction between the water and the metal fuse. In the chemical firing method, the metal fuse in which the average molecular weight of the produced gas is 20 g / mol or less is used.

Further, the electrothermal chemical emission device according to the present invention is
In an electrothermal chemical launching device configured to launch a bullet using a generated gas generated by a chemical reaction of water and a metal, the metal is a material in which an average molecular weight of the generated gas is 20 g / mol or less. is there.

More specifically, the metal is lithium,
The structure is any one of beryllium, boron, carbon, lithium alloy, beryllium alloy, boron alloy, and carbon alloy.

Further, another electrothermal chemical launching device according to the present invention launches a bullet using a gas produced by a chemical reaction caused by injecting plasma into a reactant mixture consisting of water and metal powder. In the electrothermal chemical launcher,
The metal powder is a material in which the generated gas has an average molecular weight of 20 g / mol or less.

More specifically, the metal powder is any of lithium, beryllium, boron, carbon, lithium alloys, beryllium alloys, boron alloys, and carbon alloys.

Another electrothermal chemical launching device according to the present invention is an electrothermal chemical launching device, in which a metal fuse provided in water is energized and a bullet is fired by using a generated gas generated by a chemical reaction between the water and the metal fuse. In the chemical emission device, the metal fuse is made of a material having an average molecular weight of 20 g / mol or less of the produced gas.

More specifically, the metal fuse is made of any one of lithium, beryllium, boron, carbon, lithium alloy, beryllium alloy, boron alloy and carbon alloy.

[0018]

In the electrothermal chemical emission method and apparatus according to the present invention, when a chemical reaction occurs in any of water and metal, water and metal powder, and a metal fuse provided in water, hydrogen and metal oxide are usually mixed. High-temperature, high-pressure generated gas is generated, and the generated gas accelerates the bullet. At this time, since lithium, beryllium, or the like is used as the metal material, the average molecular weight of the produced gas is small, and the bullet can be fired at high speed without gas separation.

[0019]

The preferred embodiments of the electrothermal chemical emission method and apparatus according to the present invention will now be described in detail with reference to the drawings.
It should be noted that the same or equivalent portions as those of the conventional example will be described using the same reference numerals. 1 to 3 show an electrothermal chemical launching device according to the present invention. FIG. 1 is a sectional view of a first embodiment, and FIG.
Is a sectional view of the second embodiment, and FIG. 3 is a sectional view of the third embodiment.

FIG. 1 is a first embodiment showing a plasma injection system. In FIG. 1, the reference numeral 1 is a barrel having a barrel cavity 1a and a magazine portion 1b.
In b, a cartridge 4 having a bullet 2 at its tip is loaded and a plug 4 is provided. Further, in the cartridge 3, a reactant mixture 5 is provided in contact with the bullet 2, and a cathode 6 in contact with the reactant mixture 5 is provided with a plasma generating insulator 7.

A rear portion 8a of an anode 8 provided in the rear portion of the plasma generating insulator 7 penetrates the stopper 4 and is exposed on the surface of the cartridge 3, and a fuse 9 is provided between the anode 8 and the cathode 6. Is provided. Further, the rear portion 8a
A switch 10 and a power supply 11 are connected in series between the cathode and the cathode 6.

The reactant mixture 5 is composed of water 16 and a metal powder 17 which is a metal. The metal powder 17 is
It is composed of lithium, beryllium, boron, carbon, and any one of a lithium alloy, a beryllium alloy, a boron alloy, and a carbon alloy containing these as main components. Since the above-mentioned lithium, beryllium, and boron are unstable in water, the surface is coated with carbon or another metal stable in water.

The first embodiment described above is configured as described above, and its operation will be described below. First, when the switch 10 is closed, a current flows from the power source 11 to the fuse 9 through the anode 8 and the cathode 6, and the fuse 9 is evaporated by Joule heat and becomes plasma. Further, a part of the plasma generating insulator 7 is also turned into plasma due to the high temperature, and these plasmas are injected into the slurry-like reactant mixture 5.
Next, these plasmas induce a chemical reaction of the reactant mixture 5, that is, a metal oxidation and a water reduction reaction, to generate a high-temperature, high-pressure generated gas, and the generated gas accelerates and fires the bullet 2. .

The above-mentioned metals have a small average molecular weight of the hydrogen-metal oxide mixed gas produced by the chemical reaction (about 2
Since it is configured to be 0 g / mol or less), it is not necessary to separate the gas, and the bullet 2 can be fired at high speed. As a result of various experiments, it was confirmed that the average molecular weight was optimally about 20 g / mol or less.

In the case of the second embodiment shown in FIG. 2, the chemical reaction inducing method by fuse melting is shown, and the insulator 3A of the cartridge 3 is screwed with the holder 12 having the bullet 2 and the ammunition 2A. Has been done. A current introducing terminal 14 and a conductive plate 15 are provided at both ends of the water chamber 13 formed in the insulator 3A of the cartridge 3.

Water 16 and a metal fuse 17a are provided in the water chamber 13, and the metal fuse 17a is provided between the current introducing terminal 14 and the conductive plate 15.

Since the metal material of the metal fuse 17a is the same as the metal used in the first embodiment of FIG. 1, the description thereof is omitted here.

In the second embodiment shown in FIG. 2, when the metal fuse 17a is energized from a power source (not shown), Joule heat causes a chemical reaction between the metal fuse 17a and water 16 to generate a high temperature and high pressure gas containing hydrogen as a main component. Generated gas is generated, and the bullet 2 is fired by this generated gas.

Further, in the case of the third embodiment shown in FIG. 3, a plurality of water chambers 13 are formed in the insulator 3A, and the metal fuses 17a are provided in each water chamber 13 respectively. Is determined by the weight of the bullet 2 and the desired speed.

Further, in the case of FIG. 3 described above, each metal fuse 17a may be driven by a separate power source, or may be driven separately by one power source and a plurality of switches. Further, although not shown, it is also possible to drive by changing the impedance of each metal fuse circuit with one power source and one switch. In the configuration of FIG. 3, the same parts as those of FIG. 2 are designated by the same reference numerals, and the description thereof will be omitted.

[0031]

Since the electrothermal chemical emission method and device according to the present invention are configured as described above, the following effects can be obtained. That is, since the hydrogen-metal oxide mixed gas produced by the chemical reaction of water and metal has an average molecular weight of about 20 g / mol or less, it is faster than before without gas separation. Can accelerate and fire bullets.

[Brief description of drawings]

FIG. 1 is a cross-sectional view showing a first embodiment of an electrothermal chemical emission device according to the present invention.

FIG. 2 is a sectional view showing another embodiment of FIG.

FIG. 3 is a sectional view showing another embodiment of FIG.

FIG. 4 is a cross-sectional view showing a conventional electrothermal chemical emission device.

FIG. 5 is a cross-sectional view showing another conventional example.

[Explanation of symbols]

 2 bullet 5 reactant mixture 16 water 17 metal (metal powder) 17a metal fuse

Claims (9)

[Claims] 1. An electrothermal chemical firing method in which a bullet (2) is fired using a product gas generated by a chemical reaction between water (16) and a metal (17), and the average molecular weight of the product gas is about 20. An electrothermal chemical emission method characterized by using the above-mentioned metal of not more than gram / mole. 2. A bullet (2) is fired using a gas produced by a chemical reaction caused by injecting a plasma into a reactant mixture (5) consisting of water (16) and a metal powder (17). In the electrothermal chemical emission method described above, the metal having an average molecular weight of the produced gas of about 20 g / mol or less is used. 3. A bullet (2) is fired by energizing a metal fuse (17a) provided in water (16) and using a generated gas generated by a chemical reaction between the water (16) and the metal fuse (17a). In the electrothermal chemical emission method, the metal fuse (17a) having an average molecular weight of the produced gas of about 20 g / mol or less is used. 4. An electrothermal chemical launching device for launching a bullet (2) using a produced gas generated by a chemical reaction between water (16) and a metal (17), wherein the metal (17) An electrothermal chemical emission device characterized by comprising a material having an average molecular weight of gas of about 20 g / mol or less. 5. The electrothermal chemical emission device according to claim 4, wherein the metal (17) is any one of lithium, beryllium, boron, carbon, lithium alloy, beryllium alloy, boron alloy, and carbon alloy. . 6. A bullet (2) is fired using a gas produced by a chemical reaction caused by injecting a plasma into a reactant mixture (5) consisting of water (16) and a metal powder (17). In the electrothermal chemical emission device described above, the metal powder (17) is made of a material having an average molecular weight of the produced gas of 20 g / mol or less. 7. The metal powder (17) comprises lithium, beryllium, boron, carbon, lithium alloy, beryllium alloy,
The electrothermal chemical emission device according to claim 6, which is one of a boron alloy and a carbon alloy. 8. A metal fuse (17a) provided in water (16).
In the electrothermal chemical launching device in which a bullet (2) is launched by using a gas produced by a chemical reaction between the water (16) and the metal fuse (17a), the metal fuse
(17a) has an average molecular weight of the produced gas of about 20 g /
An electrothermal chemical emission device comprising a material having a molar ratio of less than or equal to a mole. 9. The metal fuse (17a) is lithium,
9. The electrothermal chemical emission device according to claim 8, which is any one of beryllium, boron, carbon, lithium alloy, beryllium alloy, boron alloy, and carbon alloy.