CN104792534B - Rotate detonation engine experimental provision - Google Patents

Rotate detonation engine experimental provision Download PDF

Info

Publication number
CN104792534B
CN104792534B CN201510055761.1A CN201510055761A CN104792534B CN 104792534 B CN104792534 B CN 104792534B CN 201510055761 A CN201510055761 A CN 201510055761A CN 104792534 B CN104792534 B CN 104792534B
Authority
CN
China
Prior art keywords
fuel
oxygen
distributed
combustion chamber
entrance
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201510055761.1A
Other languages
Chinese (zh)
Other versions
CN104792534A (en
Inventor
王成
胡斌斌
宋清官
毕湧
赵永耀
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Beijing Institute of Technology BIT
Original Assignee
Beijing Institute of Technology BIT
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Beijing Institute of Technology BIT filed Critical Beijing Institute of Technology BIT
Priority to CN201510055761.1A priority Critical patent/CN104792534B/en
Publication of CN104792534A publication Critical patent/CN104792534A/en
Application granted granted Critical
Publication of CN104792534B publication Critical patent/CN104792534B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

Detonation engine experimental provision is rotated the present invention relates to one kind, belongs to engine research field.Control ring is inputted including end cap, outer wall, inner chamber and fuel;Screw, oxygen input port are distributed with end cap;Screw, fueling ports are distributed with outer wall, igniter places mouth, and sensor places mouth;Screw is distributed with inner chamber, oxygen is in the entrance of toroidal combustion chamber, entrance of the fuel in toroidal combustion chamber;Through hole is distributed with fuel input control ring;The rotation detonation engine experimental provision of the present invention, oxygen is 1mm in the inlet diameter of toroidal combustion chamber, and quantity reaches 100;Enable to more uniform, the possibility of the continuous rotation detonation phenomena of raising generation in circulating line of fuel and oxygen mix.

Description

Rotate detonation engine experimental provision
Technical field
Detonation engine experimental provision is rotated the present invention relates to one kind, belongs to engine research field.
Background technology
It is a kind of new detonation engine to rotate detonation engine.Because its detonation wave long-term existence is in toroidal combustion chamber In, and motion state is constantly in, therefore without at a high speed come the igniting flowed and do not stopped, also not producing because detonation is exported and induces Noise.Detonation wave in toroidal combustion chamber circumferentially continuously propagate by rotation, and high pressure detonation product expands rapidly, along axle Discharged to high speed, so as to produce propulsive force.Therefore, in terms of propulsion, rotation detonation engine has been provided simultaneously with pulse detonation hair Motivation and in some advantages for determining detonation engine, i.e.,:Can be with zero starting, the heat that noise is small, detonation product pollution is small, higher Efficiency, simple in construction, small volume, bigger thrust-weight ratio, working range are wider, can install jet pipe additional produces vectored thrust, and increase flies Capable mobility.The new type power that ripe rotation detonation engine technology can be used in terms of guided missile and aerospace carrier vehicle Equipment, is preferable detonation propulsion mode, gathers around and have broad application prospects.
The existing experimental study to rotating detonation engine is less and problem also compares many, such as Peking University Wang Jianping professors Experimental study to rotating detonation engine【Shock wave is to detonation wave in the such as Li Yang, Wang Zihui, Liu Yusi rotation detonation engines The national shock wave in Experimental Research [C] // 16th of propagation effect and shock tube academic meeting paper collection .2014:505- 512.】, experimental provision has that sensor places unreasonable, fuel and oxygen mix is of low quality and can not.
The content of the invention
The invention aims to solve present in existing related experiment technology sensor place unreasonable, fuel and Oxygen mix is of low quality and nonadjustable problem rotates detonation engine experimental provision there is provided one kind.
The purpose of the present invention is achieved through the following technical solutions.
Rotate detonation engine experimental provision, including end cap, outer wall, inner chamber and fuel input control ring;Divide on end cap It is furnished with screw, oxygen input port;Screw, fueling ports are distributed with outer wall, igniter places mouth, and sensor places mouth;It is interior Screw is distributed with chamber, oxygen is in the entrance of toroidal combustion chamber, entrance of the fuel in toroidal combustion chamber;In fuel input control ring Through hole is distributed with;
Annexation:
End cap is that with stepped cylinder, screw, oxygen input port is distributed with end cap;
Outer wall is hollow cylinder, and cylinder Basolateral has is provided with groove on the inside of boss, bottom;It is distributed with outer wall Screw, fueling ports, igniter places mouth, and sensor places mouth;Sensor places line and the axis of mouth into angle, and And sensor places the distance between mouth equalization;
Inner chamber is the reeded cylinder in one end, and the projection of groove part and end cap is to agreeing with;There is middle cavity inside Body, for storing oxygen;Entrance 7 of the oxygen in toroidal combustion chamber, entrance 7 of the oxygen in toroidal combustion chamber are distributed with inner chamber Inputted in fuel between control ring boss and igniter placement mouth 4;
Fuel input control ring is hollow circular cylinder, and there is boss inner side, and the gap between boss and inner chamber is that fuel exists The entrance of toroidal combustion chamber;Through hole is offered in fuel input control ring, with the fueling ports on outer wall in same position, is made Obtain fuel and pass sequentially through the entrance arrival toroidal combustion chamber of fueling ports, through hole and fuel in toroidal combustion chamber;
End cap is connected with inner chamber using bolt;Fuel input control ring is positioned in the groove on the inside of outer wall bottom; End cap is connected with placed the outer wall of fuel input control ring using bolt.
The course of work:
Oxygen input port is connected with oxygen tank using the pipeline for being mounted with electromagnetic valve;By fueling ports and fuel Tank is connected using the pipeline for being mounted with electromagnetic valve and back-flow preventer;The igniter that igniter is inserted on outer wall is placed Mouthful;The sensor that sensor is inserted on outer wall places mouth and is connected to signal collecting device;Oxygen input tube road, fuel is defeated The electromagnetic valve and igniter entered on pipeline is connected to control system.
Fuel enters experimental facilities by fueling ports, then process fuel enters annular in the entrance of toroidal combustion chamber and fired Burn room;Oxygen enters experimental facilities by oxygen input port, then eventually enters into annular in the entrance of toroidal combustion chamber by oxygen Combustion chamber is mixed with fuel.
Input flow rate and the time of oxygen and fuel are controlled using control system, and controls the duration of ignition and energy, To control the rotation detonation duration, reach Protection device and ensure the purpose of experiment safety.
Rotated using rotating detonation engine experimental provision and can survey out fuel and oxygen in toroidal combustion chamber The speed along the circumferential direction that the number of detonation wave head during detonation, detonation pressure, detonation wave are propagated and speed in the axial direction, The data such as the temperature in annular firing room.
Beneficial effect:
1st, rotation detonation engine experimental provision of the invention, the position that pressure sensor places mouth sets more reasonable, The benefit circumferentially sideling placed be can and meanwhile measure detonation flame circumferentially and central axis direction speed.
2nd, rotation detonation engine experimental provision of the invention, oxygen is 1mm, quantity in the inlet diameter of toroidal combustion chamber Reach 100;Enable to more uniform, the continuous rotation detonation of raising generation in circulating line of fuel and oxygen mix The possibility of phenomenon.
3rd, rotation detonation engine experimental provision of the invention, fuel is sized to regulation in the entrance of circulating line, can To control the input speed and fuel of fuel and the mixing quality of oxygen.
Brief description of the drawings
Fig. 1 is schematic appearance of the invention;
Fig. 2 is left view of the invention;
Fig. 3 is end cap schematic diagram;
Fig. 4 is the A-A profiles of outer wall of the present invention and lumen portion;
Fig. 5 is that fuel inputs control ring and schematic diagram;
Fig. 6 is the diagrammatic cross-section that fuel inputs control ring.
Wherein, 1- screws, 2- oxygen or air-in, 3- fueling ports, 4- igniters place mouth, and 5- sensors are put Mouth is put, 6- fuel inputs control ring, and 7- oxygen is in the entrance of toroidal combustion chamber, entrance of the 8- fuel in toroidal combustion chamber.
Embodiment
The present invention will be further described with embodiment below in conjunction with the accompanying drawings.
Embodiment 1
Rotate detonation engine experimental provision, including end cap, outer wall, inner chamber and fuel input control ring 6;Divide on end cap It is furnished with screw 1, oxygen input port 2;Screw 1, fueling ports 3 are distributed with outer wall, igniter places mouth 4, and sensor is placed Mouth 5;Screw 1 is distributed with inner chamber, oxygen is in the entrance 7 of toroidal combustion chamber, entrance 8 of the fuel in toroidal combustion chamber;Fuel is defeated Enter and through hole is distributed with control ring;
Annexation:
End cap is that with stepped cylinder, screw 1, oxygen input port 2 is distributed with end cap;
Outer wall is hollow cylinder, and cylinder Basolateral has is provided with groove on the inside of boss, bottom;It is distributed with outer wall Screw 1, fueling ports 3, igniter places mouth 4, and sensor places mouth 5;Sensor places line and the axis of mouth 5 into folder Angle, and sensor places the distance between mouth 5 equalization;
Inner chamber is the reeded cylinder in one end, and the projection of groove part and end cap is to agreeing with;There is middle cavity inside Body, for storing oxygen;Entrance 7 of the oxygen in toroidal combustion chamber, entrance 7 of the oxygen in toroidal combustion chamber are distributed with inner chamber Inputted in fuel between the boss of control ring 6 and igniter placement mouth 4;
Fuel input control ring 6 is hollow circular cylinder, and there is boss inner side, and the gap between boss and inner chamber is that fuel exists The entrance 8 of toroidal combustion chamber;Through hole is offered in fuel input control ring 6, with the fueling ports 3 on outer wall in same position Put so that fuel passes sequentially through fueling ports 3, through hole and fuel and reaches toroidal combustion chamber in the entrance 8 of toroidal combustion chamber;
The external diameter of outer wall afterbody is 210mm, and internal diameter is 150mm, i.e., outer wall afterbody thickness is 30mm;Inner chamber it is a diameter of 140mm, i.e. toroidal combustion chamber thickness are 5mm.
Oxygen input port 2 and a diameter of 10mm of fueling ports 3;Igniter places a diameter of 16mm of mouth 4;Sensing Device places a diameter of 5mm of mouth 5, and its line and axis are into 45 degree of angles, and sensor places the distance between mouth 5 equalization; Oxygen is 100 in the quantity of the entrance 7 of toroidal combustion chamber, is uniformly distributed on the circumference of inner chamber, its a diameter of 1mm;Fuel It is 1mm in the thickness of entrance 8 of toroidal combustion chamber.
End cap is connected with inner chamber using bolt;Fuel input control ring 6 is positioned in the groove on the inside of outer wall bottom; End cap is connected with placed the outer wall of fuel input control ring 6 using bolt.
The course of work:
Oxygen input port 2 is connected with oxygen tank using the pipeline for being mounted with electromagnetic valve;By fueling ports 3 and combustion Batch can is connected using the pipeline for being mounted with electromagnetic valve and back-flow preventer;The igniter that igniter is inserted on outer wall is put Put mouth 4;The sensor that sensor is inserted on outer wall places mouth 5 and is connected to signal collecting device;By oxygen input tube road, combustion Electromagnetic valve and igniter on material input channel are connected to control system.
Fuel enters experimental facilities by fueling ports 3, then process fuel enters annular in the entrance 8 of toroidal combustion chamber Combustion chamber;Oxygen enters experimental facilities by oxygen input port 2, then is eventually entered into by oxygen in the entrance 7 of toroidal combustion chamber Toroidal combustion chamber is mixed with fuel.
Input flow rate and the time of oxygen and fuel are controlled using control system, and controls the duration of ignition and energy, To control the rotation detonation duration, reach Protection device and ensure the purpose of experiment safety.
Rotated using rotating detonation engine experimental provision and can survey out fuel and oxygen in toroidal combustion chamber The speed along the circumferential direction that the number of detonation wave head during detonation, detonation pressure, detonation wave are propagated and speed in the axial direction, The data such as the temperature in annular firing room.

Claims (1)

1. rotate detonation engine experimental provision, it is characterised in that:Control ring is inputted including end cap, outer wall, inner chamber and fuel (6);Screw (1), oxygen input port (2) are distributed with end cap;Screw (1), fueling ports (3), igniting are distributed with outer wall Device places mouth (4), and sensor places mouth (5);Screw (1) is distributed with inner chamber, oxygen is in the entrance (7) of toroidal combustion chamber, combustion Expect the entrance (8) in toroidal combustion chamber;Through hole is distributed with fuel input control ring;
End cap is that with stepped cylinder, screw (1), oxygen input port (2) is distributed with end cap;
Outer wall is hollow cylinder, and cylinder Basolateral has is provided with groove on the inside of boss, bottom;Screw is distributed with outer wall (1), fueling ports (3), igniter places mouth (4), and sensor places mouth (5);Sensor places the line and axis of mouth (5) Line is into angle, and sensor places the distance between mouth (5) equalization;
Inner chamber is the reeded cylinder in one end, and the projection of groove part and end cap is to agreeing with;There is hollow cavity inside, uses In storage oxygen;Entrance (7) of the oxygen in toroidal combustion chamber is distributed with inner chamber, oxygen is in entrance (7) position of toroidal combustion chamber Inputted in fuel between control ring (6) boss and igniter placement mouth (4);
Fuel input control ring (6) is hollow circular cylinder, and there is boss inner side, and the gap between boss and inner chamber is fuel in ring The entrance (8) of shape combustion chamber;Through hole is offered in fuel input control ring (6), with the fueling ports (3) on outer wall same Position so that fuel passes sequentially through fueling ports (3), through hole and fuel and reaches annular combustion in the entrance (8) of toroidal combustion chamber Burn room;
End cap is connected with inner chamber using bolt;Fuel input control ring (6) is positioned in the groove on the inside of outer wall bottom;Profit End cap is connected with placed the outer wall of fuel input control ring (6) with bolt.
CN201510055761.1A 2015-02-03 2015-02-03 Rotate detonation engine experimental provision Active CN104792534B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510055761.1A CN104792534B (en) 2015-02-03 2015-02-03 Rotate detonation engine experimental provision

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510055761.1A CN104792534B (en) 2015-02-03 2015-02-03 Rotate detonation engine experimental provision

Publications (2)

Publication Number Publication Date
CN104792534A CN104792534A (en) 2015-07-22
CN104792534B true CN104792534B (en) 2017-10-10

Family

ID=53557524

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201510055761.1A Active CN104792534B (en) 2015-02-03 2015-02-03 Rotate detonation engine experimental provision

Country Status (1)

Country Link
CN (1) CN104792534B (en)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106404337B (en) * 2016-10-11 2019-04-23 南京航空航天大学 Constant volume variable air flow fields corrosion chamber and its working method
CN107024355A (en) * 2017-05-12 2017-08-08 中国科学院力学研究所 A kind of method that jet engine high-temperature fuel gas is simulated based on double detonation driven clean gas
CN107605600B (en) * 2017-08-21 2019-04-12 南京理工大学 A kind of rotation detonation engine premixing spray
US11536456B2 (en) 2017-10-24 2022-12-27 General Electric Company Fuel and air injection handling system for a combustor of a rotating detonation engine
US11149954B2 (en) 2017-10-27 2021-10-19 General Electric Company Multi-can annular rotating detonation combustor
CN108256275B (en) * 2018-03-12 2021-02-23 北京理工大学 Numerical simulation ignition detonation method for rotary detonation engine
CN109667684B (en) * 2018-12-26 2020-04-14 中国人民解放军战略支援部队航天工程大学 Thrust vector controlled continuous detonation air-breathing engine and aircraft
CN109667685B (en) * 2018-12-26 2020-04-10 中国人民解放军战略支援部队航天工程大学 Variable thrust continuous detonation air-breathing engine and aircraft
CN109667683B (en) * 2018-12-26 2020-07-17 中国人民解放军战略支援部队航天工程大学 Variable thrust continuous detonation rocket-based engine and aircraft
KR20220050909A (en) * 2019-08-08 2022-04-25 밴스 터너 Oxyhydrogen Pulsed and Rotary Detonation Combustion Pumps
CN114060854A (en) * 2021-11-08 2022-02-18 北京化工大学 Rotary detonation engine for concentrating detonation waves at inner side of combustion chamber
CN114184385A (en) * 2021-11-15 2022-03-15 江苏大学 Double-pulse rotor detonation combustion experimental device and method
CN114607526B (en) * 2022-03-31 2024-01-02 中国人民解放军战略支援部队航天工程大学 Impact model engine for researching tangential unstable combustion of double-liquid-phase propellant

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2599249Y (en) * 2002-12-20 2004-01-14 黄中伟 Pulse explosive internal combustion engine combustion chamber
CN102608161A (en) * 2012-03-07 2012-07-25 北京理工大学 Method for testing critical energy of detonation formed by direct initiation
CN103675194A (en) * 2013-12-18 2014-03-26 西安近代化学研究所 Testing device and method for deflagration to detonation transition
CN104110325A (en) * 2014-07-30 2014-10-22 清华大学 Combined cycle engine
CN104153884A (en) * 2014-08-06 2014-11-19 西安热工研究院有限公司 Rotary knocking gas turbine
CN204042975U (en) * 2014-08-06 2014-12-24 西安热工研究院有限公司 A kind of rotation detonation combustor

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10274597A (en) * 1997-03-31 1998-10-13 Mitsubishi Motors Corp Engine testing fuel feeder
JP2005042638A (en) * 2003-07-23 2005-02-17 Hitachi Unisia Automotive Ltd Air-fuel ratio control device of internal combustion engine

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2599249Y (en) * 2002-12-20 2004-01-14 黄中伟 Pulse explosive internal combustion engine combustion chamber
CN102608161A (en) * 2012-03-07 2012-07-25 北京理工大学 Method for testing critical energy of detonation formed by direct initiation
CN103675194A (en) * 2013-12-18 2014-03-26 西安近代化学研究所 Testing device and method for deflagration to detonation transition
CN104110325A (en) * 2014-07-30 2014-10-22 清华大学 Combined cycle engine
CN104153884A (en) * 2014-08-06 2014-11-19 西安热工研究院有限公司 Rotary knocking gas turbine
CN204042975U (en) * 2014-08-06 2014-12-24 西安热工研究院有限公司 A kind of rotation detonation combustor

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
连续旋转爆轰燃烧室增压特性的数值研究;刘倩 等;《推进技术》;20141130;第35卷(第11期);第1577-1584页 *
连续旋转爆震波结构、传播模态及自持机理研究;刘世杰;《中国博士学位论文全文数据库 工程科技II辑》;20140415(第04(2014)期);正文第27-37页以及图2.2-2.9 *

Also Published As

Publication number Publication date
CN104792534A (en) 2015-07-22

Similar Documents

Publication Publication Date Title
CN104792534B (en) Rotate detonation engine experimental provision
CN103899435B (en) A kind of combined type pulse detonation engine detonation chamber
CN104154567B (en) A kind of rotation detonation combustor
CN109458271B (en) A kind of rotation detonation engine air intake duct and jet pipe integrated design method
CN204042975U (en) A kind of rotation detonation combustor
CN205560737U (en) Medium -sized pair of spiral combustion blender
CN103899436B (en) A kind of spiral multichannel pulse-knocking engine
CN104895698A (en) Boosting structure of large-pipe-diameter pulse detonation rocket engine and control method thereof
CN103089444B (en) Structure for reducing back pressure of air inlet channel of inspiration type impulse knocking engine
CN102619644B (en) Structure for reducing back pressure of air-breathing type pulse detonation air inlet passage
CN103075271A (en) High-frequency conical spiral tube type pulse detonation engine
CN206397619U (en) A kind of pulse-knocking engine of side exhaust
CN110700963B (en) Compact layout type solid rocket gas scramjet engine based on axial symmetry
CN105756808B (en) A kind of axial symmetry plug nozzle with afterbunring function
CN203962199U (en) A kind of high-frequency pulse pinking combustion-powered apparatus
CN207161224U (en) A kind of unsteady annular jet jet pipe for improving pulse detonation engine thrust coefficient
CN106640421B (en) A kind of pulse-knocking engine of side exhaust
CN114183773A (en) Combustion chamber capable of generating multiple rotary detonation waves
CN106438014B (en) A kind of internal combustion wave rotor intensified burning apparatus
CN202578944U (en) Back pressure reducing device for aspirating pulse knock air inlet channel
CN105298682A (en) Cold thrust augmentation exhaust nozzle for aircraft engine
CN204750536U (en) Gas engine
CN103133181B (en) Fire damper for secondary detonation-breathing pulse detonation engine
CN114320659B (en) Low-cost closed pulse detonation wind source engine
CN201896674U (en) Intake cone of air-breathing pulse detonation engine

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
EXSB Decision made by sipo to initiate substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant