CN110806318B - Two-dimensional flat visual constant-volume combustion bomb - Google Patents
Two-dimensional flat visual constant-volume combustion bomb Download PDFInfo
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- CN110806318B CN110806318B CN201911077591.1A CN201911077591A CN110806318B CN 110806318 B CN110806318 B CN 110806318B CN 201911077591 A CN201911077591 A CN 201911077591A CN 110806318 B CN110806318 B CN 110806318B
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- 238000002485 combustion reaction Methods 0.000 title claims abstract description 29
- 230000000007 visual effect Effects 0.000 title claims abstract description 28
- 239000011521 glass Substances 0.000 claims abstract description 147
- 238000007789 sealing Methods 0.000 claims abstract description 28
- 229920001973 fluoroelastomer Polymers 0.000 claims abstract description 14
- 238000010438 heat treatment Methods 0.000 claims description 9
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 6
- 230000008569 process Effects 0.000 abstract description 5
- 238000011160 research Methods 0.000 abstract description 5
- 238000002474 experimental method Methods 0.000 description 6
- 238000009792 diffusion process Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000012544 monitoring process Methods 0.000 description 4
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 3
- 229920001971 elastomer Polymers 0.000 description 3
- 229910052731 fluorine Inorganic materials 0.000 description 3
- 239000011737 fluorine Substances 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000002146 bilateral effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000002803 fossil fuel Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M15/00—Testing of engines
- G01M15/04—Testing internal-combustion engines
- G01M15/10—Testing internal-combustion engines by monitoring exhaust gases or combustion flame
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Abstract
The invention provides a two-dimensional flat visual constant volume combustion bomb, which comprises a bomb body, a glass frame, a glass layer and an outer flange, wherein the middle part of a large hole of the glass frame is provided with two sealing ring grooves, the glass layer is connected with the large hole of the glass frame, a fluororubber sealing ring is positioned in the sealing ring groove of the glass frame, the first end surface of the glass layer is connected with the end surface of the large hole of the glass frame through a gasket, the second end surface is connected with the end surface of the large hole of a bomb cavity through the fluororubber sealing ring, the first end surface of the glass frame is connected with the large hole of the bomb cavity through the gasket, the second end surface is connected with the end surface of the large hole of the outer flange, the outer surface of the bomb body is fixedly connected with the outer surface of the outer, the shell body is of a cuboid box-shaped structure with symmetrical front and back sides. The invention has reasonable structure and good sealing performance, and can conveniently research the propagation process of flame surface and pressure wave and the mutual influence.
Description
Technical Field
The invention relates to the technical field of experimental equipment, in particular to a two-dimensional flat visual constant-volume combustion bomb.
Background
Fossil fuel combustion is a way of providing power for gasoline or diesel engines, and the combustion quality of working media directly influences the energy produced by fuel and the generation amount of harmful emissions, and indirectly influences the working efficiency of a power generator. Therefore, in the process of improving the running efficiency of the engine, an essential way for exploring how to improve the combustion quality of the working medium is provided.
The constant volume combustion bomb is a device for a laboratory which can simulate the combustion environment of an engine piston running to the top dead center moment, and can be used for repeated experiments to research the combustion of working media under specific working conditions. The repeatability of the initial environment inside the bomb body directly influences the stability, authenticity and reliability of a combustion experiment, so that the defects of the conventional constant-volume combustion bomb are found and improved under the condition of ensuring the reasonable and reliable structural design of the bomb body, and the experimental research on the aspect of engine working medium combustion is facilitated.
The method is based on the spherical flame diffusion principle, and generates the time difference of the spherical fire core reaching the combustion chamber wall cavities in different dimensions in the diffusion process by compressing the thicknesses of the combustion chamber cavities in different dimensions, thereby obtaining the two-dimensional flame surface. The two-dimensional flame diffusion combustion can better display the coupling propagation process and mutual influence of the flame surface and the pressure wave, and one dimension is reduced compared with the space flame diffusion so as to intensively research the basic problem in the space flame diffusion combustion.
Disclosure of Invention
Aiming at the defects of the conventional constant volume combustion bomb, the invention provides the two-dimensional flat visual constant volume combustion bomb which not only can be used for carrying out full-view observation in the experimental process, but also can be used for monitoring the pressure and the temperature in real time, is convenient for result analysis and processing after the experiment and lays a foundation for subsequent research.
The invention provides a two-dimensional flat visual constant-volume combustion bomb which comprises a bomb body, a glass frame, a glass layer and an outer flange. The appearance on glass layer is the cuboid structure, the visual field covers the chamber of bullet of whole body, the inside of glass frame with the inside of outer flange is the shoulder hole, the macroporous middle part of glass frame is equipped with twice seal ring groove, the macroporous terminal surface of glass frame is equipped with the grooving outward, the glass layer with the macropore of glass frame is connected, the fluorine rubber seal circle is located the macroporous seal ring inslot of glass frame, the first terminal surface on glass layer pass through the gasket with the macroporous first terminal surface of glass frame is connected, the second terminal surface on glass layer pass through the fluorine rubber seal circle with the macroporous second terminal surface of bullet chamber is connected, the first terminal surface of glass frame pass through the gasket with the macropore in bullet chamber is connected to reinforcing leakproofness, the second terminal surface of glass frame with a terminal surface of outer flange is connected, the outer surface of outer flange is evenly distributed the shrinkage pool all around, the outer surface of the projectile body is fixedly connected with the outer surface of the outer flange through a hexagon bolt. The bomb body comprises a side pressure sensor mounting port, an air inlet, an air outlet, a thermocouple mounting port, a central pressure sensor mounting port, a central spark plug mounting port, a heating plate mounting groove and a spark plug mounting port, the bomb body is in a cuboid box-shaped structure with front and back sides symmetrical, a bomb cavity of the bomb body is composed of a large hole and a small hole, the large hole is symmetrically distributed on two sides of the small hole, a sealing ring groove is arranged on a ladder platform surface with the large hole and the small hole symmetrical, threaded holes are uniformly distributed on the periphery of the outer surface opposite to the bomb body, the side pressure sensor mounting port and the air inlet are located on the left side inside the bomb body and connected with the left end face of the bomb cavity, the spark plug mounting port and the air outlet are located on the right side inside the bomb body and connected with the right end face of the bomb cavity, and the air inlet is close to the lower side inside the bomb body, the gas vent is close to the inside upside of projectile body, the thermocouple installing port with central pressure sensor installing port is located the inside upside of projectile body, and with the upside in projectile body chamber is connected, central spark plug installing port is located the inside downside of projectile body, and with the downside in projectile body chamber is connected, the heating plate mounting groove is located respectively around the projectile body is inside.
Preferably, the appearance in projectile body chamber of bullet is the cuboid, the thickness in chamber of bullet is less than the third of chamber of bullet height, the height in chamber of bullet is less than the third of chamber of bullet length.
Preferably, the glass frame the glass layer with the outer flange about the projectile body symmetric distribution, screw hole symmetric distribution in the both sides of projectile body, the axis of projectile body surface screw hole with the axis coaxial center of outer flange surface shrinkage pool, the bullet chamber of projectile body the inside of glass frame with the inside coaxial center of outer flange, the heating plate mounting groove about the central point symmetric distribution of projectile body, the quantity of glass frame the quantity on glass layer with the quantity of outer flange is two.
Preferably, the threaded hole quantity is on the projectile body surface the twice of shrinkage pool quantity on the outer flange surface, the degree of depth of threaded hole is less than on the projectile body the width of projectile body, the degree of depth of shrinkage pool equals on the outer flange the width of outer flange, the length and width of two macropores of projectile body chamber of bullet equals, the quantity of side pressure sensor installing port is two, the thermocouple installing port the air inlet the gas vent the center pressure sensor installing port center spark plug installing port with the quantity of spark plug installing port is one.
Preferably, the thickness of the gasket between the large hole of the glass frame and the glass layer is 0.5mm, and the length and width of the inner ring of the gasket between the large hole of the glass frame and the glass layer are equal to the length and width of the small hole of the glass frame, so as to ensure the maximum stress area of the glass layer; the length and width of the outer ring of the gasket positioned between the glass frame and the glass layer are slightly smaller than the length and width of the large hole of the glass frame, so that the gasket is conveniently placed in the large hole of the glass frame; the thickness of the gasket between the glass frame and the projectile body is larger than the height of the sealing ring groove for fixing the gasket, so that the glass frame is prevented from being in direct contact with the inner cavity of the projectile body, and the perfect sealing performance of the whole device is guaranteed.
Preferably, the size of the appearance of the glass layer is equal to that of the large hole of the glass frame, the size of the appearance of the glass frame, the large hole of the outer flange and the large hole of the projectile body cavity are equal, the size of the outer diameter of the outer flange is smaller than that of the projectile body, and the size of the small hole of the glass frame, the size of the small hole of the projectile body cavity and the size of the small hole of the outer flange are equal.
Compared with the prior art, the invention has the following advantages:
rational in infrastructure, the leakproofness is good, the window is breakable low, the gaseous use amount of single experiment is little, experimental cycle is short, maximum pressure is little, safer, can present clearer flame plane image, can provide the full field of vision image of combustion chamber flame burning, can more conveniently study flame face and pressure wave propagation process and influence each other.
Drawings
FIG. 1 is a schematic structural diagram of a two-dimensional flat visual constant-volume bomb of the invention;
FIGS. 2A and 2B are schematic cross-sectional views of a two-dimensional flat visual constant volume bomb according to the present invention;
FIG. 3 is a partial schematic view of the entirety of a two-dimensional flat visual constant volume bomb according to the present invention;
FIG. 4 is a schematic structural diagram of a two-dimensional flat visual constant volume combustion bomb body according to the invention;
FIGS. 5A and 5B are schematic cross-sectional views of a two-dimensional flat visual constant volume burning bomb body according to the present invention;
FIG. 6 is a schematic structural diagram of a two-dimensional flat visual constant volume burning bomb glass rack according to the invention;
FIGS. 7A and 7B are schematic cross-sectional views of a two-dimensional flat visual constant volume burning bomb glass stand in accordance with the present invention;
FIG. 8 is a schematic structural diagram of a two-dimensional flat visual constant volume burner bomb outer flange according to the invention; and
fig. 9A and 9B are schematic cross-sectional views of a two-dimensional flat visual constant volume burner outer flange according to the present invention.
The main reference numbers:
the high-temperature-resistant thermal-insulation glass shell comprises a shell body 1, an outer flange 2, a glass layer 3, a glass frame 4, a gasket 5, a fluororubber sealing ring 6, a central spark plug mounting opening 7, a side end pressure sensor mounting opening 8, an air inlet 9, an air outlet 10, a thermocouple mounting opening 11, a central pressure sensor mounting opening 12, a heating piece mounting groove 13, a spark plug mounting opening 14, a concave hole 15 and a threaded hole 16.
Detailed Description
The technical contents, structural features, attained objects and effects of the present invention are explained in detail below with reference to the accompanying drawings.
Two-dimensional flat visual constant volume burning bomb, as shown in fig. 1, fig. 2A and fig. 2B, it includes body 1, glass frame 4, glass layer 3 and outer flange 2, fastens through hex bolts and assembles the constitution.
As shown in fig. 6, the glass layer 3 and the glass frame 4 are in a rectangular parallelepiped structure, the visual field of the glass layer 3 covers the cavity of the whole projectile body 1, as shown in fig. 7A, 7B, 9A and 9B, the inside of the glass frame 4 and the inside of the outer flange 2 are both stepped holes, two sealing ring grooves are arranged in the middle of the large hole of the glass frame 4, and an outer cutting groove is arranged on one end face of the large hole of the glass frame 4.
The glass layer 3 is embedded in the glass frame 4 and is protected and sealed by two gaskets 5 and two fluorine rubber sealing rings 6. As shown in fig. 3, the glass layer 3 is connected with the large hole of the glass frame 4, the fluororubber gasket 6 is positioned in the sealing groove of the large hole of the glass frame 4, the first end face of the glass layer 3 is connected with one end face of the large hole of the glass frame 4 through the gasket 5, the second end face of the glass layer 3 is connected with one end face of the large hole of the bullet cavity of the bullet body 1 through the fluororubber gasket 6, as shown in fig. 2A and 2B, the first end face of the glass holder 4 is connected to the large hole of the bomb cavity of the bomb 1 through the gasket 5 to prevent the glass holder 4 from contacting the bomb 1, the second end face of the glass holder 4 is connected to one end face of the large hole of the outer flange 2, as shown in fig. 8, the concave holes 15 are uniformly distributed around the outer surface of the outer flange 2, the outer surface of the projectile body 1 is fixedly connected with the outer surface of the outer flange 2 through hexagon bolts, and the outer flange 2 is used for fastening the glass frame 4 and the projectile body 1 so as to fasten the whole projectile accommodating device.
The elastic body, as shown in fig. 4, 5A and 5B, includes a side end pressure sensor mounting port 8, an intake port 9, an exhaust port 10, a thermocouple mounting port 11, a center pressure sensor mounting port 12, a center spark plug mounting port 7, a heater chip mounting groove 13 and a spark plug mounting port 14. The appearance of projectile body 1 is the cuboid box structure of bilateral symmetry around for, and projectile body 1 bullet chamber comprises macropore and aperture, and macropore symmetric distribution is in the both sides of aperture, is equipped with the seal ring groove on the terrace surface of macropore and aperture in projectile body 1 bullet chamber, and fluororubber seal 6 places wherein and is used for protecting glass layer 3 and reinforcing to hold the leakproofness of bullet device, and the screw hole 16 is being evenly distributed all around to the relative surface of projectile body 1.
Side pressure sensor installing port 8 and air inlet 9 are located the inside left side of projectile body 1, and be connected with the left end face in projectile body 1 chamber, spark plug installing port 14 and gas vent 10 are located the inside right side of projectile body 1, and be connected with the right-hand member face in projectile body 1 chamber, air inlet 9 is close to the inside downside of projectile body 1, gas vent 10 is close to the inside upside of projectile body 1, thermocouple installing port 11 and central pressure sensor installing port 12 are located the inside upside of projectile body 1, and be connected with the upside in projectile body 1 chamber, central spark plug installing port 7 is located the inside downside of projectile body 1, and be connected with the downside in projectile body 1 chamber, heating plate installing groove 13 is located around the inside of projectile body 1 respectively.
As shown in fig. 5A and 5B, two side end pressure sensor mounting ports 8 on the left side inside the projectile body 1 are used for monitoring pressure changes at different positions in a two-dimensional flame height dimension after being mounted with sensors; a central pressure sensor mounting port 12 and a thermocouple mounting port 11 on the top side inside the projectile body 1 are used for monitoring cylinder pressure and temperature change at the central position after sensors are mounted; the center plug mounting hole 7 on the lower side inside the body 1 is used for performing a center ignition experiment after a spark plug is mounted.
As shown in fig. 4, the shape of the bullet cavity of the bullet body 1 is a cuboid, the thickness of the bullet cavity is less than one third of the height of the bullet cavity, and the height of the bullet cavity is less than one third of the length of the bullet cavity.
As shown in fig. 2A and 2B, the glass frame 4, the glass layer 3 and the outer flange 2 are symmetrically distributed about the projectile body 1, the threaded holes 16 are symmetrically distributed on two sides of the projectile body 1, the axis of the threaded hole 16 on the outer surface of the projectile body 1 and the axis of the concave hole 15 on the outer surface of the outer flange 2 are coaxial, the projectile cavity of the projectile body 1, the inside of the glass frame 4 and the inside of the outer flange 2 are coaxial, and the heating plate mounting grooves 13 are symmetrically distributed about the central point of the projectile body 1, as shown in fig. 1, the assembly specifications of the front side and the rear side of the projectile body 1 are the same, and the number of the glass frames 4, the number of the glass layers 3 and the.
The quantity of shrinkage pool 15 on 1 surface of body is the twice of 15 quantity of shrinkage pools on 2 surfaces of outer flange, the degree of depth of 15 shrinkage pools on 1 body of body is less than 1 width of body, the degree of depth of 15 total depths of shrinkage pools on 2 outer flange equals the width of 2 outer flange, the length and width of two macropores of 1 body of body bullet chamber equals, the quantity of side pressure sensor installing port 8 is two, thermocouple installing port 11, air inlet 9, exhaust port 10, central pressure sensor installing port 12, central spark plug installing port 16 and spark plug installing port 14's quantity are one.
As shown in fig. 3, the thickness of the gasket 5 between the large hole of the glass frame 4 and the glass layer 3 is 0.5mm, and the length and width of the inner ring of the gasket 5 between the large hole of the glass frame 4 and the glass layer 3 are equal to the length and width of the small hole of the glass frame 4, so as to ensure the maximum stress area of the glass layer 3; the length and width of the outer ring of the gasket 5 positioned between the glass frame 4 and the glass layer 3 are slightly smaller than the length and width of the large hole of the glass frame 4, so that the gasket 5 is conveniently placed in the large hole of the glass frame 4; the thickness of the gasket 5 between the glass frame 4 and the projectile body 1 is larger than the height of the sealing ring groove for fixing the gasket, so as to prevent the glass frame 4 from directly contacting the inner cavity of the projectile body 1 and ensure the perfect sealing performance of the whole device.
The size of 3 appearances of glass layer equals the big macroporous size of glass frame 4, and the big or small of 4 appearances of glass frame, 2 macropores of outer flange and the macropore in 1 chamber of bullet are equal, and the size of 2 external diameters of outer flange is less than the size of 1 external diameter of bullet, and the aperture of glass frame 4, the aperture in 1 chamber of bullet and the aperture of outer flange 2 are equal.
The two-dimensional flat visual constant-volume bomb according to the present invention is further described with reference to the following examples:
visual constant volume burning bomb's structure equipment, at first inlay glass layer 3 inside glass frame 4, protect and seal through twice gasket 5 and twice fluororubber sealing washer 6, then, with the screw hole 16 of the surface of projectile body 1 through the shrinkage pool 15 fixed connection of hexagon bolt and outer flange 2's surface, outer flange 2 is used for fastening glass frame 4 and projectile body 1 to for fasten whole appearance bullet device.
The specific installation process of the glass layer 3 and the glass frame 4 is as follows: firstly, connecting the glass layer 3 with the macropores of the glass frame 4, simultaneously installing a fluororubber sealing ring 6 in a sealing ring groove of the macropores of the glass frame 4, connecting a first end face of the glass layer 3 with one end face of the macropores of the glass frame 4 through a gasket 5, and connecting a second end face of the glass layer 3 with one end face of the macropores of the bullet cavity of the bullet body 1 through the fluororubber sealing ring 6; the first end face of the glass frame 4 is connected with the large hole of the bullet cavity of the bullet body 1 through the gasket 5, so as to prevent the glass frame 4 from contacting with the bullet body 1, and the second end face of the glass frame 4 is connected with one end face of the large hole of the outer flange 2.
The fluororubber sealing ring 6 is embedded in the sealing ring grooves of the glass frame 4 and the projectile body 1, and the visual constant-volume combustion projectile is composed of a closed space formed by the projectile body 1, the glass layer 3 and the fluororubber sealing ring 6 on the projectile body 1. Because the thickness of the bullet cavity is far less than the height and the length of the bullet cavity, after the gas is filled, the gas can be similar to a two-dimensional flat surface structure. Since the fluororubber gasket 6 has compressibility, there is a portion protruding into the glass layer 3 in the structure, and the sealing effect is reinforced by pressing during actual installation and the glass layer 3 is prevented from directly contacting the rigid elastic body. The main body of the bullet body 1 and the outer flange 2 are fastened through hexagon bolts, and the glass frame 4 and the glass layer 3 which are embedded inside are fastened into a whole.
The external equipment is connected with the mounting ports of the side end pressure sensor mounting port 8, the thermocouple mounting port 11, the center pressure sensor mounting port 12, the center spark plug mounting port 7 and the spark plug mounting port 14 which are arranged on the projectile body 1 through threads and keeps sealed, so that the sealing performance of the whole device is ensured.
After the structure of the device is assembled, the device is applied to carry out relevant experiments, the two-dimensional flat visual constant volume combustion bomb mainly comprises a bomb cavity structure of a bomb body 1, the visual constant volume combustion bomb structure mainly comprises a glass layer 3 and a bomb body 1 main body to form a closed space, the shape of premixed gas is changed by reducing the thickness of the bomb cavity, wherein the premixed gas is in a thin-layer rectangular shape, the gas is ignited after high-voltage discharge through a spark plug connected with a central spark plug mounting port 7, a two-dimensional flat plane flame is formed by combustion, and when a flame surface image is acquired through a schlieren system, the influence of three-dimensional space factors is reduced, so that a clearer flame propagation image can be obtained; the cylinder pressure and temperature change at the central position are monitored by a sensor connected with a central pressure sensor mounting port 12 and a thermocouple mounting port 11 at the top side in the projectile body 1; the pressure sensor is connected with a side end pressure sensor mounting port 8 at the inner side end of the projectile body 1 and used for monitoring pressure changes at different positions in a two-dimensional flame height dimension; the sensors may sample pressure and temperature data in time for analysis of the gas combustion process in conjunction with the images.
The above-mentioned embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements made to the technical solution of the present invention by those skilled in the art without departing from the spirit of the present invention shall fall within the protection scope defined by the claims of the present invention.
Claims (5)
1. The utility model provides a two-dimensional flat visual constant volume burning bullet, its includes projectile body, glass frame, glass layer and outer flange, its characterized in that possesses:
the appearance on glass layer is the cuboid structure, covers the chamber of bullet of whole body, the inside of glass frame with the inside of outer flange is the shoulder hole, the macroporous middle part of glass frame is equipped with twice seal ring groove, the macroporous terminal surface of glass frame is equipped with outer grooving, the glass layer with the macropore of glass frame is connected, and the fluororubber sealing washer is located the macroporous seal ring inslot of glass frame, the first terminal surface on glass layer pass through the gasket with the macroporous first terminal surface of glass frame is connected, the second terminal surface on glass layer passes through the fluororubber sealing washer and the macroporous second terminal surface of body chamber of bullet is connected, the first terminal surface of glass frame passes through the gasket and the macroporous connection of body chamber of bullet to reinforcing leakproofness, the second terminal surface of glass frame and the macroporous terminal surface of outer flange are connected, the surface of outer flange is evenly distributed the shrinkage pool all around, the outer surface of the projectile body is fixedly connected with the outer surface of the outer flange through a hexagon bolt; and
the bomb body comprises a side pressure sensor mounting port, an air inlet, an air outlet, a thermocouple mounting port, a central pressure sensor mounting port, a central spark plug mounting port, a heating plate mounting groove and a spark plug mounting port, the bomb body is in a cuboid box-shaped structure with front and back sides symmetrical, a bomb cavity of the bomb body is composed of a large hole and a small hole, the large hole is symmetrically distributed on two sides of the small hole, a sealing ring groove is arranged on a ladder platform surface with the large hole and the small hole symmetrical, threaded holes are uniformly distributed on the periphery of the outer surface opposite to the bomb body, the side pressure sensor mounting port and the air inlet are located on the left side inside the bomb body and connected with the left end face of the bomb cavity, the spark plug mounting port and the air outlet are located on the right side inside the bomb body and connected with the right end face of the bomb cavity, and the air inlet is close to the lower side inside the bomb body, the gas outlet is close to the upper side of the inside of the bomb body, the thermocouple mounting port and the central pressure sensor mounting port are located on the upper side of the inside of the bomb body and are connected with the upper side of the bomb cavity of the bomb body, the central spark plug mounting port is located on the lower side of the inside of the bomb body and is connected with the lower side of the bomb cavity of the bomb body, and the heating plate mounting grooves are respectively located on the periphery of the inside of the bomb body;
the appearance in projectile body chamber is the cuboid, the thickness in chamber is less than the third of chamber height, the height in chamber is less than the third of chamber length.
2. The two-dimensional flat visual constant volume burning bomb according to claim 1, characterized in that, the glass frame the glass layer with the outer flange about the projectile body symmetric distribution, screw hole symmetric distribution in the both sides of projectile body, the axis of projectile body surface screw hole with the axis coaxial center of outer flange surface shrinkage pool, the bullet chamber of projectile body the inside of glass frame with the inside coaxial center of outer flange, the heating plate mounting groove about the central point symmetric distribution of projectile body, the quantity of glass frame the quantity on glass layer with the quantity of outer flange is two.
3. The two-dimensional flat visual constant volume combustion bomb according to claim 2, wherein the number of the threaded holes on the outer surface of the bomb body is twice the number of the concave holes on the outer surface of the outer flange, the depth of the threaded holes on the bomb body is smaller than the width of the bomb body, the depth of the concave holes on the outer flange is equal to the width of the outer flange, the depths of two large holes of the bomb body bomb cavity are equal, the number of the side end pressure sensor mounting ports is two, and the number of the thermocouple mounting ports, the air inlet, the air outlet, the center pressure sensor mounting port, the center spark plug mounting port and the number of the spark plug mounting ports are one.
4. The two-dimensional flat visual constant-volume bomb according to claim 1, wherein the thickness of the gasket between the large hole of the glass frame and the glass layer is 0.5mm, and the length and width of the inner ring of the gasket between the large hole of the glass frame and the glass layer are equal to the length and width of the small hole of the glass frame, so as to ensure the maximum stress area of the glass layer; the length and width of the outer ring of the gasket between the glass frame and the glass layer are smaller than the length and width of the large hole of the glass frame, so that the gasket is placed in the large hole of the glass frame conveniently; the thickness of the gasket between the glass frame and the projectile body is larger than the height of the sealing ring groove for fixing the gasket, so that the glass frame is prevented from being in direct contact with the inner cavity of the projectile body, and the perfect sealing performance of the whole device is guaranteed.
5. The two-dimensional flat visual constant volume combustion bomb as claimed in claim 1 or 2, wherein the size of the glass layer is equal to the size of the large hole of the glass frame, the size of the glass frame, the large hole of the outer flange and the large hole of the bomb cavity are equal, the size of the outer flange is smaller than the size of the bomb outer diameter, and the size of the small hole of the glass frame, the size of the small hole of the bomb cavity and the size of the small hole of the outer flange are equal.
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| CN201911077591.1A CN110806318B (en) | 2019-11-06 | 2019-11-06 | Two-dimensional flat visual constant-volume combustion bomb |
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| CN201911077591.1A CN110806318B (en) | 2019-11-06 | 2019-11-06 | Two-dimensional flat visual constant-volume combustion bomb |
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| CN110806318B true CN110806318B (en) | 2020-09-11 |
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| CN116625694B (en) * | 2023-07-21 | 2023-10-13 | 中国空气动力研究与发展中心空天技术研究所 | Quick replacement device for optical observation glass of scramjet engine |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103245511A (en) * | 2013-05-10 | 2013-08-14 | 天津大学 | Constant-volume combustion bomb system for simulating self-combustion of gas at tail end of gasoline engine |
| CN205402683U (en) * | 2016-03-29 | 2016-07-27 | 中南大学 | Clean coal burner of constant volume formula |
| CN106370771A (en) * | 2016-08-17 | 2017-02-01 | 天津大学 | Device and method for realizing turbulent flame and shock wave visual constant volume combustion test |
| CN206470061U (en) * | 2016-11-30 | 2017-09-05 | 北京蒙德纳科技发展有限公司 | A kind of Function Extension type constant volume combustion bomb body |
| CN107420241A (en) * | 2017-06-26 | 2017-12-01 | 中国人民解放军装甲兵工程学院 | Constant volume bullet and the fuel injector spray visualization test system with the constant volume bullet |
| US10023505B2 (en) * | 2016-03-01 | 2018-07-17 | Raytheon Company | Method of producing solid propellant element |
| CN109164204A (en) * | 2018-09-25 | 2019-01-08 | 合肥工业大学 | A kind of multi-functional CONSTANT VOLUME MODEL COMBUSTION CHAMBER of multi-point spark |
| CN109238724A (en) * | 2018-10-24 | 2019-01-18 | 浙江大学城市学院 | A kind of adjustable combustion room exemplar Research on Heat Transfer Characteristics system |
| CN209342377U (en) * | 2018-11-17 | 2019-09-03 | 邵阳学院 | A kind of the constant volume combustion bomb device and its control system of analog turbulent motion |
-
2019
- 2019-11-06 CN CN201911077591.1A patent/CN110806318B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103245511A (en) * | 2013-05-10 | 2013-08-14 | 天津大学 | Constant-volume combustion bomb system for simulating self-combustion of gas at tail end of gasoline engine |
| US10023505B2 (en) * | 2016-03-01 | 2018-07-17 | Raytheon Company | Method of producing solid propellant element |
| CN205402683U (en) * | 2016-03-29 | 2016-07-27 | 中南大学 | Clean coal burner of constant volume formula |
| CN106370771A (en) * | 2016-08-17 | 2017-02-01 | 天津大学 | Device and method for realizing turbulent flame and shock wave visual constant volume combustion test |
| CN206470061U (en) * | 2016-11-30 | 2017-09-05 | 北京蒙德纳科技发展有限公司 | A kind of Function Extension type constant volume combustion bomb body |
| CN107420241A (en) * | 2017-06-26 | 2017-12-01 | 中国人民解放军装甲兵工程学院 | Constant volume bullet and the fuel injector spray visualization test system with the constant volume bullet |
| CN109164204A (en) * | 2018-09-25 | 2019-01-08 | 合肥工业大学 | A kind of multi-functional CONSTANT VOLUME MODEL COMBUSTION CHAMBER of multi-point spark |
| CN109238724A (en) * | 2018-10-24 | 2019-01-18 | 浙江大学城市学院 | A kind of adjustable combustion room exemplar Research on Heat Transfer Characteristics system |
| CN209342377U (en) * | 2018-11-17 | 2019-09-03 | 邵阳学院 | A kind of the constant volume combustion bomb device and its control system of analog turbulent motion |
Non-Patent Citations (2)
| Title |
|---|
| "Influence of temperature inhomogeneities on knocking combustion";M.Poschl, et al.;《Combustion and Flame》;20080430;第153卷(第4期);全文 * |
| "基于定容燃烧弹的不同初始压力甲烷爆炸特性研究";陈昊驰 等;《华北科技学院学报》;20180430;第15卷(第2期);全文 * |
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