CN102400815A - Layer-board type injection device for oxygen/ methane low-thrust engine - Google Patents
Layer-board type injection device for oxygen/ methane low-thrust engine Download PDFInfo
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- CN102400815A CN102400815A CN2011100663557A CN201110066355A CN102400815A CN 102400815 A CN102400815 A CN 102400815A CN 2011100663557 A CN2011100663557 A CN 2011100663557A CN 201110066355 A CN201110066355 A CN 201110066355A CN 102400815 A CN102400815 A CN 102400815A
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Abstract
The invention provides a layer-board type injection device for an oxygen/ methane low-thrust engine, which mainly comprises a spark plug, a fuel connecting pipe nozzle, an oxygen connecting pipe nozzle, a fuel slab, an oxidant board, a top layer board, a splitter plate A, a splitter plate B, a border area coolant flow regulating and fixing device, a border area coolant flow regulating gasket, a fuel nozzle and a shell, wherein the layer-board type injection device is provided with the border area coolant flow regulating and fixing device; and the oxygen flow rate of coolant can be regulated according to the test requirement. The layer-board type injection device provided by the invention is compact in layout, simple in structure and high in density of the fuel nozzle, so that the combustion efficiency can be better improved, the volumes of circulation channels of fuel and oxidant are small, and the response characteristic of the engine can be better improved.
Description
Technical field
The invention belongs to liquid propellant rocket engine Push Technology field, be specifically related to a kind of gas oxygen/methane thrustor platelet injector.
Background technique
The low thrust attitude control engine that major part is applied on the aerospace craft at present all adopts poisonous propellant agent; Like hydrazine, uns-dimethylhydrazine, dinitrogen tetroxide etc.; Along with the development of space technology, the main developing direction that the nontoxic propellant agent application on thrustor becoming space flight advances.
In liquid propellant rocket engine, the design of ejector filler is to the mixing of propellant agent and combustion performance, stable decisive role.Adopt the double elements ejector filler of three ends two cavity configurations to generally comprise oxidant cavity, fuel cavity, oxidize nozzle, fuel nozzle, igniter etc.; Its main feature is that fuel and oxygenant have liquid collecting cavity separately respectively; On the spray panel, alternately distributing fuel nozzle and oxidize nozzle links to each other with separately liquid collecting cavity respectively; The liquid collecting cavity volume makes thrustor response characteristic variation, and the pulse operation specific impulse descends.
The photoetching platelet injector that begin to use the sixties in 20th century has good atomizing and mixed performance; And response is fast; Compatibility is good, has from cooling off performance, has been applied to space shuttle rail control engine, low thrust attitude control engine and gas generator abroad.Because it is the key process technology that the photoetching platelet injector is made that photoetching platelet injector laminate thickness, adopts photoetching process processing laminate usually less than 0.1mm.Photoetching is a kind of with figure duplicates and corrosion combines comprehensive precision processing technology.The platelet injector photoetching process need be passed through following flow process: chemical cleaning, oven dry, gluing, oven dry, exposure, dominance, setting, rinsing, post bake, burn into remove photoresist, finished product is modified, and so many operation has improved process complexity greatly; And,, improved the difficulty of processing and the cost of photoetching platelet injector so need study specific corrosive liquid and supporting optical resist to different materials because the material of photoetching platelet injector lithography process is generally the material of space flight with anti-strong acid corrosion.Adopt laminate stack Diffusion Welding technology that each laminate is welded together; Surface quality requirement to each parts (laminate) is very high, and diffusion welding craft employing HTHP, and under high temperature condition, adopts very big pressure to cause hole and circulation passage generation plastic deformation between each plate face of laminate easily; Influence workmanship and performance; Therefore want the platelet injector of obtained performance and good quality, process parameter is had higher requirement, increased cost of production indirectly.
Summary of the invention
To the problem that exists in the existing technology, the present invention the development with gas oxygen as oxygenant, a kind of novel ejector filler scheme has been proposed in the nontoxic propellant agent motor of the low thrust that methane the acts as a fuel process.A kind of gas oxygen/methane thrustor platelet injector that the present invention proposes, it is little to have a liquid collecting cavity volume, and response characteristic is good, and technology is simple, low cost and other advantages.
The present invention proposes a kind of gas oxygen/methane thrustor platelet injector, comprising: spark plug, fuel connecting-tube nozzle, oxygen connecting-tube nozzle, fuel slab, oxygenant plate, top plate, flow distribution plate A, flow distribution plate B, border area coolant flow are regulated fixing device, the border area coolant flow is regulated pad, fuel nozzle and housing.Wherein fuel slab, oxygenant plate, top plate, flow distribution plate A and flow distribution plate B form veneer structure; The border area coolant flow regulates fixing device and border area coolant flow adjusting pad is called border area coolant flow controlling device.
Described housing is a round structure; The center has through hole a; Through hole a inside is welded with flow distribution plate A, flow distribution plate B, fuel slab and oxygenant plate in order; The upper surface of top plate and flow distribution plate A is weldingly connected, and the edge of housing is evenly distributed with a plurality of bolts hole, can this platelet injector and miscellaneous part be fixed through bolt hole.
Described top plate center has through hole A; Through hole A bilateral symmetry is distributed with through hole C and through hole B; Through hole B is connected with the oxygen connecting-tube nozzle with the fuel connecting-tube nozzle respectively with through hole C; And also be connected with fuel connecting-tube nozzle gasket seal between described through hole B and the fuel connecting-tube nozzle, also be connected with oxygen connecting-tube nozzle gasket seal between through hole C and the oxygen connecting-tube nozzle.
The center of described flow distribution plate A has ladder hole D, and the aperture on ladder hole D top is identical with the aperture of through hole A, and ladder hole D is coaxial with through hole A; The bilateral symmetry of ladder hole D is distributed with blind hole I and through hole E (freezing mixture tap hole and oxygenant tap hole belong to through hole E).The perforate direction of blind hole I is towards the top plate direction; When assembling the veneer structure of platelet injector; Blind hole I is relative with through hole B; And blind hole I is coaxial with through hole B, is provided with through hole F in the inboard adjacent position of blind hole I, and blind hole I is connected through the recess channels at flow distribution plate A in-plane with through hole F.Through hole C position on described through hole E and the top plate is relative; Through hole E is double-deck hole structure; Top layer is an intercommunicating pore, and bottom is that freezing mixture tap hole and oxygenant tap hole can be shunted air-flow through the intercommunicating pore of top layer through the freezing mixture tap hole and the oxygenant tap hole of bottom, when assembling the veneer structure of platelet injector; Intercommunicating pore and the top plate of through hole E are relative, and freezing mixture tap hole and oxygenant tap hole are relative with flow distribution plate B.
The center of described flow distribution plate B has through hole G; Through hole G is coaxial with through hole A and ladder hole D, has annular chamber A around the through hole G, when assembling the veneer structure of platelet injector; Make annular chamber A towards flow distribution plate A; The arranged outside of annular chamber A has blind hole X, and blind hole X is connected with annular chamber A through the recess channels on the flow distribution plate B in-plane, and blind hole X is coaxial with through hole F; Flow distribution plate B circumferentially is evenly distributed with a plurality of through hole J on the edge, bottom of annular chamber A; On the freezing mixture tap hole of flow distribution plate B and the through hole E position relative, be respectively arranged with through hole K with the oxygenant tap hole
1With through hole K
2, through hole K
1Coaxial with the freezing mixture tap hole, through hole K
2Coaxial with the oxygenant tap hole, make through freezing mixture tap hole effluent air through through hole K
1Flow out, make through oxygenant tap hole effluent air through through hole K
2Flow out.Regulate fixing device, described through hole K through the border area coolant flow that has been threaded in the freezing mixture tap hole
1And be provided with the border area coolant flow between the freezing mixture tap hole and regulate pad, the border area coolant flow is regulated the pad center and is had center hole, and the size variable of this center hole can be regulated inflow through hole K through regulating border area coolant flow adjusting pad
1In gas flow.
Described fuel slab center has through hole M, and through hole M is coaxial with through hole G, through hole A and ladder hole D; The outer periphery of through hole M is equipped with annular chamber B; When assembling the veneer structure of platelet injector; Make annular chamber B towards flow distribution plate B; Annular chamber A equates that with the radius of annular chamber B the periphery of annular chamber B along the circumferential direction evenly is provided with a plurality of ladder hole R that communicate with annular chamber B, and each ladder hole R all is connected with annular chamber B through recess channels.Fuel slab has annular chamber C in ladder hole R arranged outside, the through hole K on annular chamber C and the flow distribution plate B
1The position is (axis that is through hole K1 is positioned on the chamber of annular chamber C) relatively, and the bottom of annular chamber C is provided with a plurality of through hole N uniformly, and the number of through hole N is preferably more than 16.Also be provided with through hole L on the fuel slab, make through hole L and through hole K
2Coaxial.
Described oxygenant plate center has ladder hole P; Ladder hole P is coaxial with through hole M; Ladder hole P periphery along the circumferential direction is evenly distributed with a plurality of ladder hole Q, and ladder hole Q is coaxial with ladder hole R, and ladder hole Q equates with ladder hole R number; Each corresponding ladder hole Q and each ladder hole R can be combined; Form a combined hole, and then fuel nozzle is fixed in the combined hole of ladder hole Q and ladder hole R formation, and fuel nozzle uses the temperature differential method mount in this combined hole.The oxygenant plate has blind hole Y in the side of ladder hole P; When assembling the veneer structure of platelet injector, blind hole Y and fuel slab are relative, and blind hole Y is coaxial with through hole L; Have annular chamber D in the periphery of ladder hole P, blind hole Y is communicated with each ladder hole Q through annular chamber D.The sidewall of oxygenant plate becomes stepped and forms annular chamber E with inner walls, and the through hole N position on annular chamber E and the fuel slab is relative, the equal in length of through hole N and annular chamber E distance center.Along circumferentially being evenly distributed with a plurality of through hole T, be used to the freezing mixture that circulates in the bottom of annular chamber E, the freezing mixture that flows out from through hole T is flowed out along the inner wall edge of housing, be used for cooling.Spark plug passes through hole A, ladder hole D, through hole G, through hole M and ladder hole P successively, and is connected with the spark plug gasket seal between the ladder hole D of spark plug and flow distribution plate.
Advantage and good effect that the present invention has are:
(1) a kind of gas oxygen/methane thrustor platelet injector of the present invention's proposition; Through five blocks of laminates fuel and oxygenant are carried out flow-dividing control, compact in design, simple in structure; The volume of fuel and oxidant stream circulation passage is little, helps improving the engine response characteristic;
(2) a kind of gas oxygen/methane thrustor platelet injector of the present invention's proposition has border area coolant flow controlling device, according to test requirements document, can conveniently regulate the freezing mixture oxygen flow;
(3) a kind of gas oxygen/methane thrustor platelet injector of the present invention's proposition adopts traditional process for machining, and cost is low, meets the characteristics of thrustor experimental study.
Description of drawings
The plan view of gas oxygen/methane thrustor platelet injector that Fig. 1 the present invention proposes;
The sectional drawing of gas oxygen/methane thrustor platelet injector that Fig. 2 the present invention proposes;
The top plate plan view of gas oxygen/methane thrustor platelet injector that Fig. 3 the present invention proposes;
The flow distribution plate A plan view of gas oxygen/methane thrustor platelet injector that Fig. 4 the present invention proposes;
The flow distribution plate B plan view of gas oxygen/methane thrustor platelet injector that Fig. 5 the present invention proposes;
The fuel slab plan view of gas oxygen/methane thrustor platelet injector that Fig. 6 the present invention proposes;
The oxygenant plate plan view of gas oxygen/methane thrustor platelet injector that Fig. 7 the present invention proposes.
Among the figure:
1-bolt hole 2-spark plug 3-fuel connecting-tube nozzle 4-oxygen connecting-tube nozzle
5-top plate 6-fuel connecting-tube nozzle sealing 7-spark plug gasket seal 8-oxygen connecting-tube nozzle gasket seal
Pad
9-border area coolant flow transfers 10-border area coolant flow 11-flow distribution plate A 12-flow distribution plate B joint fixing device to regulate pad
13-fuel slab 14-housing 15-fuel nozzle 16-oxygenant plate
17-through hole A 18-through hole C 19-through hole B 20-ladder hole D
21-freezing mixture tap hole 22-oxygenant tap hole 23-through hole F 24-blind hole I
25-through hole G 26-through hole J 27-annular chamber A 28-through hole K
1
29-through hole K
230-blind hole X 31-through hole M 32-annular chamber B
33-ladder hole R 34-annular chamber C 35-through hole N 36-through hole L
37-ladder hole P 38-annular chamber D 39-ladder hole Q 40-blind hole Y
41-through hole T
Embodiment
Below in conjunction with accompanying drawing the present invention is further specified:
The present invention proposes a kind of gas oxygen/methane thrustor platelet injector; As depicted in figs. 1 and 2, mainly comprise: spark plug 2, fuel connecting-tube nozzle 3, oxygen connecting-tube nozzle 4, fuel slab 13, oxygenant plate 16, top plate 5, flow distribution plate A11, flow distribution plate B12, border area coolant flow are regulated fixing device 9, the border area coolant flow is regulated pad 10, fuel nozzle 15 and housing 14.Wherein fuel slab 13, oxygenant plate 16, top plate 5, flow distribution plate A11 and flow distribution plate B12 form veneer structure.
Described housing 14 is a round structure; The center has through hole a; Through hole a inside is welded with flow distribution plate A11, flow distribution plate B12, fuel slab 13 and oxygenant plate 16 in order; Top plate 5 is weldingly connected with the upper surface of flow distribution plate A11, and the edge of housing 14 is evenly distributed with a plurality of bolts hole 1, can this platelet injector and miscellaneous part be fixed through bolt hole 1.
Described top plate 5 centers have through hole A17; As shown in Figure 3; Through hole A17 bilateral symmetry is distributed with through hole C18 and through hole B19; Through hole B19 is connected with oxygen connecting-tube nozzle 4 with fuel connecting-tube nozzle 3 respectively with through hole C18, and also is connected with fuel connecting-tube nozzle gasket seal 6 between described through hole B19 and the fuel connecting-tube nozzle 3, also is connected with oxygen connecting-tube nozzle gasket seal 8 between through hole C18 and the oxygen connecting-tube nozzle 4.
The center of described flow distribution plate A11 has ladder hole D20, and is as shown in Figure 4, and the aperture of the ladder hole D20 portion part of top plate direction (promptly towards) is identical with the aperture of through hole A17, and ladder hole D20 is coaxial with through hole A17; The bilateral symmetry of ladder hole D20 is distributed with blind hole I24 and through hole E (freezing mixture tap hole and the subordination of oxygenant tap hole are in through hole E).The perforate direction of blind hole I24 is towards top plate 5 directions; When assembling the veneer structure of platelet injector; Blind hole I24 is relative with through hole B19; And blind hole I24 is coaxial with through hole B19, is provided with through hole F23 in the inboard adjacent position of blind hole I24, and blind hole I24 is connected through the recess channels at flow distribution plate A11 in-plane with through hole F23.Through hole C18 position on described through hole E and the top plate 5 is relative, and through hole E is double-deck hole structure, and top layer is an intercommunicating pore, and bottom is freezing mixture tap hole 21 and oxygenant tap hole 22.Intercommunicating pore through top layer can be shunted through the freezing mixture tap hole 21 of bottom air-flow with oxygenant tap hole 22; When assembling the veneer structure of platelet injector; The intercommunicating pore of through hole E is relative with top plate 5, and freezing mixture tap hole 21 is relative with flow distribution plate B12 with oxygenant tap hole 22.
The center of described flow distribution plate B12 has through hole G25, and is as shown in Figure 5, and through hole G25 is coaxial with through hole A17 and ladder hole D20; Has annular chamber A27 around the through hole G25; When assembling the veneer structure of platelet injector, make annular chamber A27 towards flow distribution plate A11, the arranged outside of annular chamber A27 has blind hole X30; Blind hole X30 is connected with annular chamber A27 through the recess channels on the flow distribution plate B12 in-plane, and blind hole X30 is coaxial with through hole F23; Flow distribution plate B12 circumferentially is evenly distributed with a plurality of through hole J26 on the edge, bottom of annular chamber A27, and the number of through hole J26 is preferably more than 12; On the relative position of the freezing mixture tap hole 21 of flow distribution plate B12 and through hole E and oxygenant tap hole 22, be respectively arranged with through hole K
128 with through hole K
229, through hole K
128 is coaxial with freezing mixture tap hole 21, through hole K
2Coaxial with oxygenant tap hole 22, make through freezing mixture tap hole 21 effluent airs through through hole K
128 flow out, and make through oxygenant tap hole 22 effluent airs through through hole K
229 flow out.Regulate fixing device 9, described through hole K through the border area coolant flow that has been threaded in the freezing mixture tap hole 21
128 and freezing mixture tap hole 21 between be provided with the border area coolant flow and regulate pad 10; The border area coolant flow is regulated pad 10 centers and is had center hole; The size variable of this center hole can be regulated inflow through hole K through regulating border area coolant flow adjusting pad 10
1Gas flow in 28.
Described fuel slab 13 centers have through hole M31, and are as shown in Figure 6, and through hole M31 is coaxial with through hole G25, through hole A17 and ladder hole D20; The outer periphery of through hole M31 is equipped with annular chamber B32; When assembling the veneer structure of platelet injector; Make annular chamber B32 towards flow distribution plate B12, annular chamber A27 equates that with the radius of annular chamber B32 the periphery of annular chamber B32 along the circumferential direction evenly is provided with a plurality of ladder hole R33 that communicate with annular chamber B32; Each ladder hole R33 all is connected with annular chamber B32 through recess channels, and the number of ladder hole R33 is preferably more than 6.Fuel slab 13 has annular chamber C34 in ladder hole R33 arranged outside, the through hole K on annular chamber C34 and the flow distribution plate B
128 positions are (axis that is through hole K1 is positioned on the chamber of annular chamber C) relatively, and the bottom of annular chamber C34 is provided with a plurality of through hole N35 uniformly, and the number of through hole N35 is preferably more than 16.Also be provided with through hole L36 on the fuel slab 13, make through hole L36 and through hole K
229 is coaxial.
Described oxygenant plate 16 centers have ladder hole P37; As shown in Figure 7, ladder hole P37 is coaxial with through hole M31, and ladder hole P37 periphery along the circumferential direction is evenly distributed with a plurality of ladder hole Q39; Ladder hole Q39 is coaxial with ladder hole R33; And ladder hole Q39 equates with ladder hole R33 number, and each corresponding ladder hole Q39 and each ladder hole R33 can be combined, and forms a combined hole; And then fuel nozzle is fixed in the combined hole of ladder hole Q39 and ladder hole R33 formation, and fuel nozzle 15 uses the temperature differential method mounts in this combined hole.Oxygenant plate 16 has blind hole Y40 in the side of ladder hole P37; When assembling the veneer structure of platelet injector; Blind hole Y40 is relative with fuel slab 13; And blind hole Y40 is coaxial with through hole L36, has annular chamber D38 in the periphery of ladder hole P37, through annular chamber D38 blind hole Y40 is communicated with each ladder hole Q39.The sidewall of oxygenant plate 16 becomes stepped and forms annular chamber E with housing 14 inwalls, and the through hole N35 position on annular chamber E and the fuel slab 13 is relative, and through hole N35 and annular chamber E are apart from the equal in length at the center of oxygenant plate 16.Along circumferentially being evenly distributed with a plurality of through hole T41, the number of through hole T41 is preferably more than 20, is used to the freezing mixture that circulates in the bottom of annular chamber E, and the freezing mixture that flows out from through hole T41 is flowed out along the inner wall edge of housing 14, is used for cooling.Spark plug 2 passes through hole A17, ladder hole D20, through hole G25, through hole M31 and ladder hole P37 successively, and is connected with spark plug gasket seal 7 between the ladder hole D20 of spark plug 2 and flow distribution plate A11.
As shown in Figure 2; Fuel gets into the platelet injector successively through the through hole B19 of top plate, the blind hole I24 on the flow distribution plate A11, the through hole F23 on the flow distribution plate A11, the blind hole X30 on the flow distribution plate B12, the annular chamber A27 on the flow distribution plate B12, the through hole J26 on the flow distribution plate B12, the annular chamber B32 on the fuel slab 13, the ladder hole R33 on the fuel slab 13 from fuel connecting-tube nozzle 4; The final fuel nozzle 15 that gets into forms the fuel circulation passage from the ladder hole R33 of fuel slab 13.Oxygen forms two strands of air-flows through freezing mixture tap hole among the through hole E on the flow distribution plate A11 21 and oxygenant tap hole 22 again from the through hole C18 of oxygen connecting-tube nozzle 4 entering top plates, and one is as freezing mixture, and another thigh is as oxygenant.Oxygen as freezing mixture gets into the through hole K on the flow distribution plate B12 in order by freezing mixture tap hole 22
128, the through hole T41 on the annular chamber C34 on the fuel slab 13, the through hole N35 on the fuel slab 13, annular chamber E, the oxygenant plate 16 gets into the firing chamber cooling action at last from chamber front end along the wall tangential, form coolant flow channel; Oxygen as oxygenant gets into the through hole K on the flow distribution plate B12 in order by the oxygenant tap hole 21 on the flow distribution plate A11
229, the through hole L36 on the fuel slab 13, the annular chamber D38 on the oxygenant plate 16, the ladder hole Q39 on the oxygenant plate 16 and the gap between the fuel nozzle 15 at last in ladder hole Q39 end and fuel mix, form the oxidant stream circulation passage.
The maximum characteristics of the gas oxygen that the present invention proposes/methane platelet injector are to adopt five veneer structures that fuel and oxygenant are carried out flow-dividing control; Fuel and oxygenant are delivered directly in fuel and the coaxial nozzle of oxygenant by separately connecting-tube nozzle; Make fuel and oxygenant more fast, mix fully and atomize; Help improving combustion efficiency, improve the response characteristic of motor; And can be through changing fuel and the oxidant stream circulation passage on five blocks of laminates, aperture and the arrangement mode of the ladder hole Q39 on the adjustment fuel slab on ladder hole R33 and the oxygenant plate increase the nozzle number, improve atomization.
Because the aperture and the fuel nozzle of the veneer structure of gas oxygen/methane platelet injector that the present invention proposes are all less; The veneer structure of platelet injector is top plate 5, flow distribution plate A11, flow distribution plate B12, fuel slab 13 and oxygenant plate 16; Can be through locating along direction installing and locating pin perpendicular to veneer structure; With five layer by layer plate structure position, to guarantee positional accuracy.
Claims (8)
1. gas oxygen/methane thrustor platelet injector is characterized in that: comprise that spark plug, fuel connecting-tube nozzle, oxygen connecting-tube nozzle, fuel slab, oxygenant plate, top plate, flow distribution plate A, flow distribution plate B, border area coolant flow are regulated fixing device, the border area coolant flow is regulated pad, fuel nozzle and housing;
Described housing center has through hole a, is welded with flow distribution plate A, flow distribution plate B, fuel slab and oxygenant plate in the through hole a in order, and the upper surface of top plate and flow distribution plate A is weldingly connected; The top plate center has through hole A, and through hole A bilateral symmetry is distributed with through hole B and through hole C, and through hole B is connected with the fuel connecting-tube nozzle, and through hole C is connected with the oxygen connecting-tube nozzle;
Described flow distribution plate A center has ladder hole D, and the bilateral symmetry of ladder hole D is distributed with blind hole I and through hole E; Blind hole I is coaxial with through hole B, is provided with through hole F in the side of blind hole I, and blind hole I communicates through recess channels with through hole F; Through hole C position on through hole E and the top plate is relative, and through hole E is double-deck hole structure, and top layer is an intercommunicating pore, and bottom is freezing mixture tap hole and oxygenant tap hole; Described flow distribution plate B center has through hole G, has annular chamber A around the through hole G, and the arranged outside of annular chamber A has blind hole X; Blind hole X communicates with annular chamber A; And blind hole X is coaxial with through hole F, and flow distribution plate B is evenly distributed with a plurality of through hole J in the bottom of annular chamber A, and flow distribution plate B is provided with through hole K
1With through hole K
2, through hole K
1Coaxial with the freezing mixture tap hole, through hole K
2Coaxial with the oxygenant tap hole; Regulate fixing device, through hole K through the border area coolant flow that has been threaded in the freezing mixture tap hole
1And be provided with the border area coolant flow between the freezing mixture tap hole and regulate pad;
Described fuel slab center has through hole M, is provided with annular chamber B around the through hole M, evenly is provided with a plurality of ladder hole R that communicate with annular chamber B around the annular chamber B; And also be provided with annular chamber C, annular chamber C and through hole K in the annular chamber B outside
1The position is relative, and the bottom of annular chamber C is provided with a plurality of through hole N uniformly; Also be provided with through hole L on the fuel slab;
Described oxygenant plate center is provided with ladder hole P; Be uniformly distributed with the ladder hole Q that equates with ladder hole R number in the periphery of through hole M, ladder hole Q is coaxial with ladder hole R, and fuel nozzle is fixed in the combined hole of ladder hole Q and ladder hole R formation; The outside of a ladder hole P has blind hole Y therein; Blind hole Y is coaxial with through hole L, and ladder hole P periphery has annular chamber D, through annular chamber D blind hole Y is communicated with ladder hole Q; The sidewall of oxygenant plate becomes stepped and forms annular chamber E with inner walls, and the through hole N position on annular chamber E and the fuel slab is relative, circumferentially is evenly distributed with a plurality of through hole T on the edge, bottom of annular chamber E; Through hole A, ladder hole D, through hole G, through hole M and ladder hole P are all coaxial in twos, and spark plug passes through hole A, ladder hole D, through hole G, through hole M and ladder hole P successively.
2. a kind of gas oxygen according to claim 1/methane thrustor platelet injector; It is characterized in that: described border area coolant flow is regulated the pad center and is had center hole, regulates the center hole aperture adjustment inflow through hole K of pad through regulating the border area coolant flow
1In gas flow.
3. a kind of gas oxygen according to claim 1/methane thrustor platelet injector is characterized in that: described annular chamber A equates with the radius of annular chamber B.
4. a kind of gas oxygen according to claim 1/methane thrustor platelet injector; It is characterized in that: be connected with fuel connecting-tube nozzle gasket seal between described through hole B and the fuel connecting-tube nozzle, be connected with oxygen connecting-tube nozzle gasket seal between described through hole C and the oxygen connecting-tube nozzle.
5. a kind of gas oxygen according to claim 1/methane thrustor platelet injector, it is characterized in that: the ladder hole D of described spark plug and flow distribution plate A is connected with the spark plug gasket seal.
6. a kind of gas oxygen according to claim 1/methane thrustor platelet injector is characterized in that: described through hole L and through hole K
2Coaxial.
7. a kind of gas oxygen according to claim 1/methane thrustor platelet injector, it is characterized in that: described blind hole X is coaxial with through hole F.
8. a kind of gas oxygen according to claim 1/methane thrustor platelet injector is characterized in that: affiliated top plate, flow distribution plate A, flow distribution plate B, fuel slab and oxygenant plate position the direction installing and locating pin location of plate structure through the edge perpendicular to each layer by layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110066355 CN102400815B (en) | 2011-03-18 | 2011-03-18 | Layer-board type injection device for oxygen/ methane low-thrust engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110066355 CN102400815B (en) | 2011-03-18 | 2011-03-18 | Layer-board type injection device for oxygen/ methane low-thrust engine |
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| Publication Number | Publication Date |
|---|---|
| CN102400815A true CN102400815A (en) | 2012-04-04 |
| CN102400815B CN102400815B (en) | 2013-09-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201110066355 Expired - Fee Related CN102400815B (en) | 2011-03-18 | 2011-03-18 | Layer-board type injection device for oxygen/ methane low-thrust engine |
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| CN104265507A (en) * | 2014-09-23 | 2015-01-07 | 贵州航天红光机械制造有限公司 | Thrust chamber injector of hydrazine type low-thrust single-unit engine |
| CN108343529A (en) * | 2018-03-01 | 2018-07-31 | 中国人民解放军国防科技大学 | Gas film cooling layer plate type injector |
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| CN109519303A (en) * | 2018-09-05 | 2019-03-26 | 上海空间推进研究所 | Eccentric variable cross-section flow distribution baffle |
| CN109595097A (en) * | 2018-10-29 | 2019-04-09 | 上海空间推进研究所 | Using the liquid oxygen and methane engine and control method of inserted valve |
| CN109653901A (en) * | 2018-11-27 | 2019-04-19 | 上海空间推进研究所 | Rocket engine ejector filler housing module |
| CN110242439A (en) * | 2019-05-06 | 2019-09-17 | 上海空间推进研究所 | Engine ejector filler, manufacturing method and engine based on laminate diffusion welding (DW) |
| CN113202656A (en) * | 2021-05-28 | 2021-08-03 | 西安航天动力研究所 | Guide plate and injector capable of improving propellant filling synchronism |
| CN114718768A (en) * | 2022-04-02 | 2022-07-08 | 西安航天动力试验技术研究所 | High-temperature high-pressure high-speed large-flow-density oxygen-enriched gas treatment system and method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0953759A2 (en) * | 1998-04-29 | 1999-11-03 | United Technologies Corporation | Injector and ignition system for rocket engines |
| US6116020A (en) * | 1998-10-05 | 2000-09-12 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Injector for liquid fueled rocket engine |
| US20030029161A1 (en) * | 2000-12-15 | 2003-02-13 | Hunter Louis G. | Mapp gas fuel for flight vehicles having pulse detonation engines and method of use |
| JP2006097639A (en) * | 2004-09-30 | 2006-04-13 | Mitsubishi Heavy Ind Ltd | Injector for rocket |
| US7685807B2 (en) * | 2006-09-06 | 2010-03-30 | United Technologies Corporation | Three component injector for kerosene-oxygen rocket engine |
| CN101782030A (en) * | 2009-01-19 | 2010-07-21 | 北京航空航天大学 | Multiunit coaxial injector component for test and manufacturing method |
-
2011
- 2011-03-18 CN CN 201110066355 patent/CN102400815B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0953759A2 (en) * | 1998-04-29 | 1999-11-03 | United Technologies Corporation | Injector and ignition system for rocket engines |
| US6116020A (en) * | 1998-10-05 | 2000-09-12 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Injector for liquid fueled rocket engine |
| US20030029161A1 (en) * | 2000-12-15 | 2003-02-13 | Hunter Louis G. | Mapp gas fuel for flight vehicles having pulse detonation engines and method of use |
| JP2006097639A (en) * | 2004-09-30 | 2006-04-13 | Mitsubishi Heavy Ind Ltd | Injector for rocket |
| US7685807B2 (en) * | 2006-09-06 | 2010-03-30 | United Technologies Corporation | Three component injector for kerosene-oxygen rocket engine |
| CN101782030A (en) * | 2009-01-19 | 2010-07-21 | 北京航空航天大学 | Multiunit coaxial injector component for test and manufacturing method |
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| CN104265507A (en) * | 2014-09-23 | 2015-01-07 | 贵州航天红光机械制造有限公司 | Thrust chamber injector of hydrazine type low-thrust single-unit engine |
| CN108343529A (en) * | 2018-03-01 | 2018-07-31 | 中国人民解放军国防科技大学 | Gas film cooling layer plate type injector |
| CN109519303A (en) * | 2018-09-05 | 2019-03-26 | 上海空间推进研究所 | Eccentric variable cross-section flow distribution baffle |
| CN109595097A (en) * | 2018-10-29 | 2019-04-09 | 上海空间推进研究所 | Using the liquid oxygen and methane engine and control method of inserted valve |
| CN109505711A (en) * | 2018-11-27 | 2019-03-22 | 西北工业大学 | It is a kind of for generating the gas-gas mouse device of high temperature ultrasonic quick burning gas |
| CN109653901A (en) * | 2018-11-27 | 2019-04-19 | 上海空间推进研究所 | Rocket engine ejector filler housing module |
| CN109653901B (en) * | 2018-11-27 | 2021-05-04 | 上海空间推进研究所 | Rocket engine injector housing module |
| CN110242439A (en) * | 2019-05-06 | 2019-09-17 | 上海空间推进研究所 | Engine ejector filler, manufacturing method and engine based on laminate diffusion welding (DW) |
| CN113202656A (en) * | 2021-05-28 | 2021-08-03 | 西安航天动力研究所 | Guide plate and injector capable of improving propellant filling synchronism |
| CN114718768A (en) * | 2022-04-02 | 2022-07-08 | 西安航天动力试验技术研究所 | High-temperature high-pressure high-speed large-flow-density oxygen-enriched gas treatment system and method |
| CN114718768B (en) * | 2022-04-02 | 2024-01-12 | 西安航天动力试验技术研究所 | High-temperature high-pressure high-speed high-flow density oxygen-enriched gas treatment system and method |
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