CN113915001A

CN113915001A - Method for improving efficiency of engine by exciting flame with microwave

Info

Publication number: CN113915001A
Application number: CN202010683287.8A
Authority: CN
Inventors: 姚志勇
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-07-09
Filing date: 2020-07-09
Publication date: 2022-01-11

Abstract

The invention belongs to the field of engines, and particularly relates to a method for improving efficiency of an engine by exciting flame with microwave, which is suitable for enhancing power of any fuel engine such as airplanes, rockets, missiles, ships, motor vehicles and the like. The invention is characterized in that a microwave generator is arranged on an engine, microwave radiation generated by the microwave generator is transmitted into a combustion chamber of the engine through a waveguide tube of the microwave generator, and flame generated by fuel combustion is excited into ultra-high temperature flame by the microwave, so that the thrust of the engine is improved. The invention can be used for a turbojet engine, a cylinder engine and a rocket engine with a catalyst. The waveguide tube of the microwave generator is arranged in the combustion chamber, and the temperature of flame in the combustion chamber can be multiplied by the microblogs radiated by the waveguide tube, so that the effects of saving energy, improving efficiency and improving engine thrust are achieved, and meanwhile, the pollution of engine exhaust emission can be greatly reduced.

Description

Method for improving efficiency of engine by exciting flame with microwave

Technical Field

The invention belongs to the field of engines, and particularly relates to a method for improving efficiency of an engine by exciting flame with microwave, which is suitable for enhancing power of any fuel engine such as airplanes, rockets, missiles, ships, motor vehicles and the like.

Background

Currently, aircraft engines are primarily gas turbine engines, including turbojet, turbofan, turboprop and turboshaft engines, having a compressor, a combustion chamber and a gas turbine. Turboprop engines are mainly used in aircraft with a speed per hour of less than 800 km; the turboshaft engine is mainly used as the power of a helicopter; turbofan engines are used primarily for higher speed aircraft; turbojet engines are mainly used for supersonic aircraft.

The ramjet engine is free of an air compressor and a gas turbine, and air entering the combustion chamber is pressurized by the ram effect during high-speed flight. It has simple structure and large thrust, and is especially suitable for high-speed high-altitude flight. The propellant oxidizer and the combustion agent of the rocket engine are all carried by the engine, the fuel consumption is too large to be suitable for long-time work, and the propellant oxidizer and the combustion agent are generally used as the engine of the carrier rocket and are only used for short-time acceleration such as a starting accelerator on an airplane. Missile engines are of many types and generally fall into two broad categories, rocket engines and air-breathing jet engines. The former carries oxidant and combustion agent, so it can be used not only for missile flying in atmosphere, but also for missile flying outside atmosphere; the latter only carries combustion agent and depends on oxygen in the air, so that it can only be used for missile flying in atmosphere. These engines have in common the characteristic of carrying fuel in the air as power and therefore require fuel combustion efficiency as high as possible. However, in practice, combustion efficiency is too low because combustion is not sufficient.

Disclosure of Invention

In an occasional case, the inventors found that a burnt soybean remained in the microwave oven, and when the microwave oven was turned on, the burnt soybean was ignited by microwave excitation to generate a large flame. Then further experiment, the magnetron is taken out of the microwave oven, after the shielding device is added, the mouth of the waveguide tube is irradiated to the flame nozzle for combustion, and the flame is multiplied or even multiplied under the condition of certain fuel, thereby discovering the great excitation effect of the microwave on the fuel combustion flame. The invention is characterized in that a microwave generator is arranged on an engine, microwave radiation generated by the microwave generator is transmitted into a combustion chamber of the engine through a waveguide tube of the microwave generator, and flame generated by fuel combustion is excited into ultra-high temperature flame by the microwave, so that the thrust of the engine is improved.

The specific technical scheme adopted for realizing the invention is that an aircraft engine of a gas turbine is taken as an example, and the engine is a gas turbine engine; the main body consists of an air inlet channel, a gas compressor, a combustion chamber, a turbine, a flame jet and a duct, wherein normal temperature gas enters the duct of the engine from the air inlet channel, is compressed by the gas compressor and enters the combustion chamber, a flame is generated by ejecting fuel from a flame jet head of the combustion chamber, and the flame heats the normal temperature gas into high temperature gas; the gas turbine engine is provided with a microwave generator, microwave radiation generated by the microwave generator enters any position between a combustion chamber of the engine and a fire nozzle through a waveguide tube of the microwave generator, and flame generated by fuel combustion is excited into ultra-high temperature flame by the microwave, so that the thrust of the engine is improved. The cylinder engine is more commonly applied, and the significance of improving the efficiency and the power of the cylinder engine is greater. By adopting the scheme of the invention, the thrust of the engine can be greatly improved, and the emission of tail gas pollution of the engine can be greatly reduced.

Drawings

FIG. 1 is a schematic diagram of the principle of microwave excitation of an engine using oxygen in air as an oxidant.

FIG. 2 is a schematic diagram of the principle of microwave excitation of an engine using a specially carried oxidant as the oxidant.

FIG. 3 is a schematic diagram of the engine microwave excitation principle of a cylinder engine.

In the figure, 1, a microwave generator, 2, a waveguide, 3, microwaves, 4, an engine, 5, a combustion chamber, 6, a fire nozzle, 7, an air inlet channel, 8, a compressor, 9, a turbine, 10, a duct, 11, normal temperature gas, 12, high temperature gas, 13, a fire nozzle, 14, fuel, 15, flame, 16, a rocket engine, 17, fuel, 18, an oxidant, 19, an ignition device, 20, a nozzle outlet cone, 21, ultra-high temperature flame, 22, a piston engine, 23, a cylinder, 24, an oil injection hole, 25, an exhaust hole, 26 and a spark plug 26.

Detailed Description

The invention is further described below with reference to the accompanying drawings.

In the figure, a microwave generator 1 is arranged on an engine, microwaves 3 generated by the microwave generator 1 are radiated into a combustion chamber 5 of the engine 4 through a waveguide 2 of the microwave generator 1, and flames generated by fuel combustion are excited into ultra-high temperature flames by the microwaves 3, so that the thrust of the engine is improved.

FIG. 1 is a schematic diagram of the principle of microwave excitation of an engine using oxygen in air as an oxidant. In FIG. 1, engine 4 is a gas turbine engine 6; the main body consists of an air inlet channel 7, a gas compressor 8, a combustion chamber 5, a turbine 9, a fire nozzle 6 and a duct 10, wherein normal temperature gas 11 enters the duct 10 of the engine from the air inlet channel 7, is compressed by the gas compressor 8 and enters the combustion chamber 5, a fire nozzle 13 of the combustion chamber 5 sprays fuel 14 to generate flame 15, and the flame 15 heats the normal temperature gas 11 into high temperature gas 12; a microwave generator 1 is arranged on a gas turbine engine 6, microwaves 3 generated by the microwave generator 1 are radiated into a combustion chamber 5 of an engine 4 through a waveguide tube 2 of the microwave generator 1, and flames generated by fuel combustion are excited into ultra-high temperature flames 21 by the microwaves 3, so that the thrust of the engine is improved. In practice, the inlet of the waveguide 2 for the microwaves may be placed anywhere between the combustion chamber 5 and the burner 6.

FIG. 2 is a schematic diagram of the principle of microwave excitation of an engine using a specially carried oxidant as the oxidant. In fig. 2, the engine 4 is a rocket engine 16, the rocket engine 16 takes fuel 17 and oxidant 18 as power, the fuel 17 and the oxidant 18 enter the combustion chamber 5, are ignited by an ignition device 19, and then eject high-temperature flame from a nozzle outlet cone 20; a microwave generator 1 is arranged on a rocket engine 16, microwaves 3 generated by the microwave generator 1 are radiated to any position between a combustion chamber 5 of an engine 4 and a flame jet 6 through a waveguide tube 2 of the microwave generator 1, and flames generated by fuel combustion are excited into ultra-high temperature flames by the microwaves 3, so that the thrust of the engine is improved.

FIG. 3 is a schematic diagram of the engine microwave excitation principle of a cylinder engine. In fig. 3, the engine 4 is a piston engine 22, the top of the cylinder 23 is provided with an oil injection hole 24, an exhaust hole 25 and a spark plug 26, the combustion chamber 5 is arranged in the cylinder 23 of the piston engine 22, the piston engine 22 is provided with a microwave generator 1, microwaves 3 generated by the microwave generator 1 are radiated into the combustion chamber 5 of the engine 4 through a waveguide 2 of the microwave generator 1, the microwave radiation is started while the spark plug 26 of the cylinder 23 is ignited, and flames generated by fuel combustion are excited into ultra-high temperature flames by the microwaves 3, so that the thrust of the engine piston is improved; since the wall of the cylinder 23 is made of a metal material, the microwave 3 is repeatedly reflected in the cylinder wall.

Claims

1. The method for improving the efficiency of the engine by exciting the flame by the microwave is characterized in that a microwave generator (1) is arranged on the engine, the microwave (3) generated by the microwave generator (1) is radiated into a combustion chamber (5) of the engine (4) through a waveguide tube (2) of the microwave generator (1), and the flame generated by fuel combustion is excited into ultra-high temperature flame by the microwave (3), so that the thrust of the engine is improved.

2. The method for improving the efficiency of an engine microwave-excited flame according to claim 1, wherein the engine (4) is a gas turbine engine (6); the main body consists of an air inlet channel (7), a gas compressor (8), a combustion chamber (5), a turbine (9), a flame spray port (6) and a duct (10), normal temperature gas (11) enters the duct (10) of the engine from the air inlet channel (7), is compressed by the gas compressor (8) and enters the combustion chamber (5), a flame (15) is generated by spraying fuel (14) out of a flame spray head (13) of the combustion chamber (5), and the normal temperature gas (11) is heated into high temperature gas (12) by the flame (15); a microwave generator (1) is arranged on a gas turbine engine (6), microwaves (3) generated by the microwave generator (1) are radiated to enter any position between a combustion chamber (5) of the engine (4) and a flame spray port (6) through a waveguide tube (2) of the microwave generator (1), flames generated by fuel combustion are excited into ultra-high temperature flames (21) by the microwaves (3), and the thrust of the engine is improved.

3. The method for improving the efficiency of the microwave-excited flame of the engine as claimed in claim 1, wherein the engine (4) is a rocket engine (16), the rocket engine (16) is powered by fuel (17) and oxidant (18), the fuel (17) and the oxidant (18) enter a combustion chamber (5), are ignited by an ignition device (19), and then eject high-temperature flame from a nozzle outlet cone (20); a microwave generator (1) is arranged on a rocket engine (16), microwaves (3) generated by the microwave generator (1) are radiated to enter any position between a combustion chamber (5) of an engine (4) and a fire nozzle (6) through a waveguide tube (2) of the microwave generator (1), flames generated by fuel combustion are excited into ultra-high temperature flames by the microwaves (3), and the thrust of the engine is improved.

4. The method for improving the efficiency of the microwave-excited flame of the engine according to the claim 1 is characterized in that the engine (4) is a piston engine (22), the top of a cylinder (23) is provided with an oil injection hole (24), an exhaust hole (25) and a spark plug (26), the combustion chamber (5) is arranged in the cylinder (23) of the piston engine (22), a microwave generator (1) is arranged on the piston engine (22), the microwave (3) generated by the microwave generator (1) is radiated into the combustion chamber (5) of the engine (4) through a waveguide tube (2) of the microwave generator (1), the microwave radiation is started when the spark plug (26) of the cylinder (23) is ignited, the flame generated by fuel combustion is excited into the ultra-high temperature flame by the microwave (3), and the thrust of the engine piston is improved; since the wall of the cylinder (23) is made of metal, the microwave (3) is repeatedly reflected in the cylinder wall.