CN103615320A - Turbulent flow ring structure with uniform fuel gas temperature field - Google Patents
Turbulent flow ring structure with uniform fuel gas temperature field Download PDFInfo
- Publication number
- CN103615320A CN103615320A CN201310629971.8A CN201310629971A CN103615320A CN 103615320 A CN103615320 A CN 103615320A CN 201310629971 A CN201310629971 A CN 201310629971A CN 103615320 A CN103615320 A CN 103615320A
- Authority
- CN
- China
- Prior art keywords
- turbulent flow
- fuel gas
- ring structure
- flow
- gas temperature
- 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.)
- Pending
Links
Images
Abstract
The invention relates to a turbulent flow ring structure with a uniform fuel gas temperature field. The turbulent flow ring structure comprises a turbulent flow ring body and a flowing hole arranged on the turbulent flow ring body, wherein the flowing hole sequentially comprises a contraction section, a linear section and an expanded section; the other end of the contraction section is fixedly connected with a wall of a combustion chamber; the other end of the expanded section is fixedly connected with an outlet pipe. According to the turbulent flow ring structure with the uniform fuel gas temperature field, the technical problem that an existing turbulent flow ring cannot meet the requirements of a fuel gas flow field of an engine fuel gas generator is solved; the invention provides the turbulent flow ring structure with the uniform fuel gas temperature field to improve the uniformity of the fuel gas temperature field and overcome the limitation of a common turbulent flow ring structure; the turbulent flow ring structure has the advantage of combining the strong turbulent flow performance of a rectangular turbulent flow ring structure and the low flow resistance of a circular-arc-shaped triangular structure.
Description
Technical field
The present invention relates to a kind of novel flow-disturbing ring structure, this structure current-sharing is respond well, and overall structure is simple, be easy to manufacturing.Be applicable to engine gas generator exports end, can significantly improve the uniformity of gas outlet temperature field, to combustion gas flow-disturbing successful, and flow resistance is lower, has guaranteed engine work.
Background technique
At present, be to improve the uniformity of fuel gas temperature field, the common flow-disturbing ring structure of employing is rectangle, circular triangle and or both structures of mixing.Rectangle flow-disturbing ring structure flow-disturbing is strong, is convenient to improve the temperature homogeneity of combustion gas field, but can cause that the flow resistance of combustion gas increases simultaneously, makes fluid field pressure loss larger; Circular triangle structure has low flow resistance characteristic, but its flow-disturbing a little less than, be unfavorable for improving the uniformity of outlet fuel gas temperature field, and the manufacturing of arc surface is comparatively complicated.Engine gas generator gas flow field requires outlet fuel gas temperature field uniformity good, and flow resistance is as far as possible little, to sum up analyzes, and the flow-disturbing ring of common structure all has some limitations.
Summary of the invention
In order to solve existing flow-disturbing ring, cannot meet the technical problem of engine gas generator gas flow field requirement, the invention provides the flow-disturbing ring structure of a kind of even fuel gas temperature field, improve the uniformity of fuel gas temperature field, and overcome the narrow limitation of common flow-disturbing ring structure, had the strong flow-disturbing of rectangle flow-disturbing ring structure and the low flow resistance advantage of circular triangle structure concurrently.
Technical solution of the present invention is:
The flow-disturbing ring structure of a kind of even fuel gas temperature field, its special way is: comprise flow-disturbing ring body 1, be arranged on the opening on flow-disturbing ring body, described opening comprises contraction section 11, straightway 12 and extending section 13 successively, the other end of described contraction section 11 is fixedly connected with chamber wall 2, and the other end of described extending section 13 is fixedly connected with outer pipe 3.
The passing rate of above-mentioned opening is 30%-40%.
The cone angle of above-mentioned contraction section 11 is 80-100 °, and the cone angle of described extending section 13 is 140-160 °.
The slenderness ratio of the opening of above-mentioned straightway 12 correspondences is 0.1-0.2.
The other end of upper contraction section 11 and chamber wall 2 are by being welded and fixed.
The other end of above-mentioned extending section 13 and outer pipe 3 are by being welded and fixed.
The present invention's advantage is compared with prior art:
1, structure of the present invention is compared with rectangle flow-disturbing ring structure, and this conical surface flow-disturbing ring has low flow resistance characteristic, and fuel gas flow loss is reduced.
2, structure of the present invention is compared with circular triangle flow-disturbing ring, and this conical surface flow-disturbing ring has stronger flow-disturbing characteristic, and the fuel gas temperature of generator exports is had good uniformity.
3, structure composition of the present invention the advantage of common flow-disturbing ring structure, whole flow-disturbing is functional.
4, processability of product structure of the present invention is good, easily manufacturing.
Accompanying drawing explanation
Fig. 1 structure flow-disturbing of the present invention ring is installed on generator firing chamber end and partly cuts open structural drawing;
The sectional view of Fig. 2 structure flow-disturbing of the present invention ring;
Wherein reference character is: 1-flow-disturbing ring body, 2-chamber wall, 3-outer pipe, 11-contraction section, 12-straightway, 13-extending section.
Embodiment
As shown in Figure 1, structure flow-disturbing ring body 1 of the present invention is welded between chamber wall 2 and outer pipe 3, forms generator chamber wall assembly.After above-mentioned welding completes, the installation of this structure flow-disturbing ring, is positioned at combustor exit end, and outlet combustion gas is carried out to flow-disturbing, improves the temperature homogeneity of outlet combustion gas.Flow-disturbing ring one end and chamber wall 2 are by being welded and fixed, and the other end of flow-disturbing ring and outer pipe 3 are by being welded and fixed.
On flow-disturbing ring body, be arranged on the opening on flow-disturbing ring body, opening comprises that contraction section 11(is windward side successively), straightway 12 and extending section 13(be lee face), the other end of contraction section 11 is fixedly connected with chamber wall 2, and the other end of extending section 13 is fixedly connected with outer pipe 3.The windward side of flow-disturbing ring and lee face are designed to the conical surface shape between right angle face and arc surface.
The passing rate of opening is 30%-40%, can guarantee suitable flow rate.
The cone angle of contraction section 11 is 80-100 °, can guarantee good mixing intensity; The cone angle of extending section 13 is 140-160 °, can weaken gas pressure field of force sudden change degree.
The slenderness ratio of the opening that straightway is corresponding is 0.1-0.2, can eliminate the minimum circulating face local temperature of flow-disturbing ring too high.
The foregoing description of the present embodiment and accompanying drawing have represented preferred version of the present invention, under the number range situation that those skilled in the art can define in claim according to different designing requirements and design parameter, suitably improve, and therefore, the present invention is widely.
Claims (6)
1. the flow-disturbing ring structure of an even fuel gas temperature field, it is characterized in that: comprise flow-disturbing ring body (1), be arranged on the opening on flow-disturbing ring body, described opening comprises contraction section (11), straightway (12) and extending section (13) successively, the other end of described contraction section (11) is fixedly connected with chamber wall (2), and the other end of described extending section (13) is fixedly connected with outer pipe (3).
2. the flow-disturbing ring structure of even fuel gas temperature according to claim 1 field, is characterized in that: the passing rate of described opening is 30%-40%.
3. the flow-disturbing ring structure of even fuel gas temperature according to claim 1 and 2 field, is characterized in that: the cone angle of described contraction section (11) is 80-100 °, and the cone angle of described extending section (13) is 140-160 °.
4. the flow-disturbing ring structure of even fuel gas temperature according to claim 3 field, is characterized in that: the slenderness ratio of the opening that described straightway (12) is corresponding is 0.1-0.2.
5. the flow-disturbing ring structure of even fuel gas temperature according to claim 4 field, is characterized in that: the other end of described contraction section (11) and chamber wall (2) are by being welded and fixed.
6. the flow-disturbing ring structure of even fuel gas temperature according to claim 4 field, is characterized in that: the other end of described extending section (13) and outer pipe (3) are by being welded and fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310629971.8A CN103615320A (en) | 2013-11-28 | 2013-11-28 | Turbulent flow ring structure with uniform fuel gas temperature field |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310629971.8A CN103615320A (en) | 2013-11-28 | 2013-11-28 | Turbulent flow ring structure with uniform fuel gas temperature field |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103615320A true CN103615320A (en) | 2014-03-05 |
Family
ID=50166034
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310629971.8A Pending CN103615320A (en) | 2013-11-28 | 2013-11-28 | Turbulent flow ring structure with uniform fuel gas temperature field |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103615320A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110821713A (en) * | 2019-09-29 | 2020-02-21 | 北京航天动力研究所 | Modularized fuel gas generating device for multi-target optimization |
| CN115289675A (en) * | 2022-09-22 | 2022-11-04 | 中国空气动力研究与发展中心空天技术研究所 | Annular combustion type air heater |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020025248A1 (en) * | 1999-08-16 | 2002-02-28 | Ching-Pang Lee | Method for enhancing heat transfer inside a turbulated cooling passage |
| CN101440735A (en) * | 2008-12-15 | 2009-05-27 | 中国人民解放军军事交通学院 | Air discharge heating apparatus, system and method for diesel engine under full operating condition |
| CN102908920A (en) * | 2012-11-08 | 2013-02-06 | 中国华电工程(集团)有限公司 | Ammonia and air mixer for denitrification device |
| CN203685394U (en) * | 2013-11-28 | 2014-07-02 | 中国航天科技集团公司第六研究院第十一研究所 | Disturbing ring structure of uniform gas temperature field |
-
2013
- 2013-11-28 CN CN201310629971.8A patent/CN103615320A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020025248A1 (en) * | 1999-08-16 | 2002-02-28 | Ching-Pang Lee | Method for enhancing heat transfer inside a turbulated cooling passage |
| CN101440735A (en) * | 2008-12-15 | 2009-05-27 | 中国人民解放军军事交通学院 | Air discharge heating apparatus, system and method for diesel engine under full operating condition |
| CN102908920A (en) * | 2012-11-08 | 2013-02-06 | 中国华电工程(集团)有限公司 | Ammonia and air mixer for denitrification device |
| CN203685394U (en) * | 2013-11-28 | 2014-07-02 | 中国航天科技集团公司第六研究院第十一研究所 | Disturbing ring structure of uniform gas temperature field |
Non-Patent Citations (1)
| Title |
|---|
| 银仁亮等: "双组元液体远地点火箭发动机扰流环的设计方法研究", 《火箭推进》, vol. 30, no. 1, 29 February 2004 (2004-02-29), pages 11 - 15 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110821713A (en) * | 2019-09-29 | 2020-02-21 | 北京航天动力研究所 | Modularized fuel gas generating device for multi-target optimization |
| CN115289675A (en) * | 2022-09-22 | 2022-11-04 | 中国空气动力研究与发展中心空天技术研究所 | Annular combustion type air heater |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102536912B (en) | Ring diffuser for axial turbomachine, device and axial turbomachine | |
| EP2775202A3 (en) | Air swirlers | |
| RU2708483C2 (en) | Critical flow valve with squeezed seat ring | |
| EP3751124A1 (en) | Piston for diesel engine and direct-injection type diesel engine comprising same | |
| CN103697499B (en) | A kind of variable swirling number cyclone | |
| CN203685394U (en) | Disturbing ring structure of uniform gas temperature field | |
| CN106670001B (en) | Nozzle assembly | |
| CN103615320A (en) | Turbulent flow ring structure with uniform fuel gas temperature field | |
| CN103925597A (en) | Self-priming burner | |
| CA2815150C (en) | Semi-tubular vane air swirler | |
| CN205190796U (en) | Fluid valve, choked flow clamp type seat enclose subassembly and keep ware | |
| CN202835357U (en) | Novel incandescent light | |
| CN206130354U (en) | Air duct seal structure of gas cooking utensils | |
| CN112166669B (en) | Blunt type injection turbulent ring ignition and flame stabilization device | |
| CN204591546U (en) | Duel fuel engine intake duct 45 degree of four hole jet pipe | |
| CN203464269U (en) | Internal combustion room and internal combustion burner | |
| CN204460217U (en) | A kind of gas premixing for infrared cooker burner closes injector | |
| CN204786413U (en) | A combination formula thin wall nozzle for gas cooking utensils | |
| CN204084493U (en) | A kind of structure improved cassette cooker | |
| CN105464833A (en) | Combustion chamber of diesel engine | |
| CN207112801U (en) | The nozzle and burner and gas kitchen ranges of a kind of multi-staged air ejection structure | |
| CN202328265U (en) | Macroporous efficient enhanced nozzle for gas cooking appliance | |
| CN205823519U (en) | Atomizer with perturbations | |
| CN109695874B (en) | Injection pipe and combustor with same | |
| CN204572287U (en) | A kind of engine air inlet tube |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140305 |