CN101067593A - Material ablation resisting performance comprehensive testing method and device under high-temperature condition - Google Patents
Material ablation resisting performance comprehensive testing method and device under high-temperature condition Download PDFInfo
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- CN101067593A CN101067593A CN 200710017967 CN200710017967A CN101067593A CN 101067593 A CN101067593 A CN 101067593A CN 200710017967 CN200710017967 CN 200710017967 CN 200710017967 A CN200710017967 A CN 200710017967A CN 101067593 A CN101067593 A CN 101067593A
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Abstract
The invention relates to a material bearing ablation, erosion performance synthesis testing method and the equipment under the hot conditions, which includes the flamethrower as well as the cold water unit, the fuel tank, the oxygen source and the give powder equipment which connects the flamethrower through the control bench, adjusts the petroleum and the oxygen current capacity mixture ratio, causes the petroleum and the oxygen after the atomization and mix gushes in the flame generator, ignition burning forms the high temperature high pressure fuel gas, the speed of the fuel gas after the spray nozzle achieved the supersonic speed or the subsonic speed, the give powder equipment send the erosion particle in to the flame generator spray nozzle, forms the gas solid two phase currents, carries on the ablation and erosion on the material test specimen, compares material testing fore-and-aft weight, ingredient and microstructure difference to estimate the performance.
Description
Technical field
The invention belongs to the material properties test field, be specifically related to anti-ablation, erosion property comprehensive testing method and the device of material under a kind of hot conditions.
Background technology
Anti-ablation, the erosion property of material under hot conditions is one of key property of material, structure and functional material in particular as power system, its anti-ablation, erosion property are had higher requirement, as aeromotor, rocket engine etc., but, at present the test method to these performances of material is more single, does not also have a kind of method effectively to test and to estimate anti-ablation, the erosion property of material under hot conditions.
Presently used test method mainly contains oxy-acetylene flame method and high-voltage arc heating, they produce the flame or the electric arc of high temperature, has higher heat flow density, ablation resistance test to material is more effective, but owing to there is not the souring of particle, can not test, more can not estimate the material property under ablation, the erosion acting in conjunction to material erosive wear resistance at high temperature, therefore, these tests have bigger limitation with research method.
Summary of the invention
The object of the present invention is to provide anti-ablation, erosion property comprehensive testing method and the device of material under a kind of hot conditions.
For achieving the above object, the device that the present invention adopts is: comprise flammenwerfer and the handpiece Water Chilling Units that is connected with flammenwerfer by control desk, fuel tank, source of oxygen and powder feeder, said flammenwerfer comprises back cover and the shell that is connected as a single entity, on back cover, offer the kerosene pressure inlet that is communicated with fuel tank, oxygen pressure inlet that is connected with source of oxygen and spark plug mount pad, be provided with flame-thrower nozzle in the shell, the inlet of flame-thrower nozzle and kerosene pressure inlet, oxygen pressure inlet and spark plug mount pad are connected, this flame-thrower nozzle and shell have formed a cavity, and in the rear end of shell and front end offer respectively be connected with handpiece Water Chilling Units go into water nozzle mount pad and backwater mouth mount pad, the front end of shell offers the powder-feeding mouth that is connected with flame-thrower nozzle, said kerosene pressure inlet, the oxygen pressure inlet, powder-feeding mouth with go into the water nozzle mount pad and also link to each other with control desk respectively.
Control desk of the present invention comprises handpiece Water Chilling Units controller, kerosene controller, oxygen controller and powder feeding controller; Said handpiece Water Chilling Units controller comprises discharge pressure table P1 and the leaving water temperature meter t1 that is installed on the handpiece Water Chilling Units water outlet pipeline, is installed in pressure of return water table P2 and return water temperature meter t2 on the handpiece Water Chilling Units water return pipeline; Said kerosene controller comprises motor pump R2, solenoid group 1DT, kerosene tensimeter P3, kerosene variable valve D1 and the kerosene oil flow meter F1 that is installed in successively on the fuel tank pipeline; Said oxygen controller comprises decompressor Q1, oxygen solenoid valve 2DT, oxygen flow variable valve D2, oxygen gauge P4 and the oxygen flow meter F2 that is installed in successively on the source of oxygen pipeline; Said powder feeding controller comprises the powder feeding solenoid valve 3DT that is installed on the powder feeding pipeline; Oxygen pressure is 2.0Mpa, and oxygen flow is 58Kg/h; Kerosene pressure is 2.0Mpa, and kerosene oil flow is 24L/h; Pressure in the flame-thrower nozzle is 1.2Mpa; The throat diameter of flame-thrower nozzle is that 10mm, outlet diameter are 15mm.
The method that the present invention adopts is: the flow mixing ratio of regulating kerosene and oxygen, make kerosene and oxygen after atomizing, mixing, spray into flame generating means, ignition forms the combustion gas of High Temperature High Pressure, combustion gas by nozzle after speed reach supersonic speed or subsonic speed, powder feeder is delivered to the nozzle of flame generating means with the erosion particle, forms Dual-Phrase Distribution of Gas olid, and material sample is ablated and erosion, weight, composition and microstructure difference before and after the comparative material test can be estimated its performance.
The present invention adopts the flame of kerosene and oxygen combustion generation as the high temperature ablation thermal source, by regulating the flow mixing ratio of kerosene and oxygen, flows thereby form the flame with particular requirement, comprises speed, temperature, oxygen enrichment or rich oil atmosphere.Adopt Al
2O
3(alundum (Al) powder is as the erosion particle, and powder feeder is with Al
2O
3Powder is transported in the flame, forms Dual-Phrase Distribution of Gas olid with high-temperature fuel gas, thereby provides actuating medium for ablation, the erosion test of material.Compare with present test unit, the breakthrough of matter is all arranged in function and precise control,, will obtain widespread use in fields such as Aero-Space, atomic energy, military equipments for material property testing provides effective method.
Description of drawings
Fig. 1 is an one-piece construction synoptic diagram of the present invention;
Fig. 2 is the structural representation of flammenwerfer 11 of the present invention;
Fig. 3 is the structural representation of control desk 12 of the present invention.
Embodiment
Below in conjunction with accompanying drawing the present invention is described in further detail.
Referring to Fig. 1,2, comprise flammenwerfer 11 and the handpiece Water Chilling Units 13 that is connected with flammenwerfer 11 by control desk 12, fuel tank 14, source of oxygen 15 and powder feeder 16, it is characterized in that: said flammenwerfer 11 comprises back cover 3 and the shell 6 that is connected as a single entity, on back cover 3, offer the kerosene pressure inlet 1 that is communicated with fuel tank 14, oxygen pressure inlet 2 that is connected with source of oxygen 15 and spark plug mount pad 4, be provided with flame-thrower nozzle 7 in the shell 6, the inlet of flame-thrower nozzle 7 and kerosene pressure inlet 1, oxygen pressure inlet 2 and spark plug mount pad 4 are connected, this flame-thrower nozzle 7 has formed a cavity with shell 6, and in the rear end of shell 6 and front end offer respectively be connected with handpiece Water Chilling Units 13 go into water nozzle mount pad 10 and backwater mouth mount pad 9, the front end of shell 6 offers the powder-feeding mouth 8 that is connected with flame-thrower nozzle 7, said kerosene pressure inlet 1, oxygen pressure inlet 2, powder-feeding mouth 8 with go into water nozzle mount pad 10 and also link to each other with control desk 12 respectively, oxygen pressure is 2.0Mpa, oxygen flow is 58Kg/h, kerosene pressure is 2.0Mpa, kerosene oil flow is 24L/h, pressure in the flame-thrower nozzle 7 is 1.2Mpa, and the throat diameter of flame-thrower nozzle 7 is 10mm, the mouth diameter is 15mm.
Referring to Fig. 3, control desk 12 of the present invention comprises handpiece Water Chilling Units controller 17, kerosene controller 18, oxygen controller 19 and powder feeding controller 20; Control desk 12 is finished igniting, injection, powder feeding function by certain sequential, and the state parameter of chilled water, kerosene, oxygen is carried out display monitoring.One end of control desk connects handpiece Water Chilling Units, fuel tank, source of oxygen, powder feeder, and the other end connects flammenwerfer,
Said handpiece Water Chilling Units controller 17 comprises discharge pressure table P1 and the leaving water temperature meter t1 that is installed on handpiece Water Chilling Units 13 water outlet pipeline, is installed in pressure of return water table P2 and return water temperature meter t2 on handpiece Water Chilling Units 13 water return pipelines;
Said kerosene controller 18 comprises motor pump R2, solenoid group 1DT, kerosene tensimeter P3, kerosene variable valve D1 and the kerosene oil flow meter F1 that is installed in successively on fuel tank 14 pipelines;
Said oxygen controller 19 comprises decompressor Q1, oxygen solenoid valve 2DT, oxygen flow variable valve D2, oxygen gauge P4 and the oxygen flow meter F2 that is installed in successively on the source of oxygen pipeline;
Said powder feeding controller 20 comprises the powder feeding solenoid valve 3DT that is installed on the powder feeding pipeline.
The present invention can produce temperature and the very wide flame of speed range of adjustment, and can inject particle in flame, forms combustion gas, particle two-phase flow, and wherein, fire stream produces by flammenwerfer, and particle is carried by special dust feeder.Because this method can produce the two-phase flow with particular requirement flexibly, for anti-ablation, the erosion property compbined test of material provides effective method.
The present invention adopts the flame of kerosene and oxygen combustion generation as the high temperature ablation thermal source, by regulating the flow mixing ratio of kerosene and oxygen, flows thereby form the flame with particular requirement, comprises speed, temperature, oxygen enrichment or rich oil atmosphere.Adopt Al
2O
3(alundum (Al) powder is as the erosion particle, and powder feeder is with Al
2O
3Powder is transported in the flame, forms Dual-Phrase Distribution of Gas olid with high-temperature fuel gas, thereby provides actuating medium for ablation, the erosion test of material.Kerosene and oxygen spray into flame generating means after atomizing, mixing, ignition forms the combustion gas of High Temperature High Pressure, combustion gas by different nozzles after speed reach supersonic speed or subsonic speed, powder feeder is delivered to the erosion particle at the nozzle of flame generating means, form Dual-Phrase Distribution of Gas olid, material sample is ablated and erosion, and weight, composition and microstructure difference before and after relatively it is tested by the dedicated analysis instrument can be estimated its performance.
The course of work of the present invention is as follows:
At first start flammenwerfer 11, fuel feeding, air feed, igniting successively then starts flammenwerfer, regulates both flow respectively by kerosene variable valve and oxygen regulating valve, obtains the flame of predetermined state; Start powder feeder, dusty spray is sent in the flame, the gas-solid biphase flow that formation is ablated, erosion is used; Flammenwerfer is transferred to the working position, sample 5 is ablated and erosion test, finish the test of setting-up time after, the work of halt system is according to the order shutdown that stops powder feeding, fuel feeding, air feed.
The present invention is the basic breakthrough on the test method, and existing test method can only be tested the ablation of material under the hot conditions, can't finish erosion test, more can not finish the material property testing under ablation and the erosion double action; And system control parameters of the present invention is accurate, and controllability is good, can quantitatively set the two-phase flow of test, has improved the accuracy of test greatly.
Claims (7)
1, the anti-ablation of material under the hot conditions, the erosion property combined test apparatus, comprise flammenwerfer (11) and the handpiece Water Chilling Units (13) that is connected with flammenwerfer (11) by control desk (12), fuel tank (14), source of oxygen (15) and powder feeder (16), it is characterized in that: said flammenwerfer (11) comprises back cover (3) and the shell (6) that is connected as a single entity, on back cover (3), offer the kerosene pressure inlet (1) that is communicated with fuel tank (14), oxygen pressure inlet (2) that is connected with source of oxygen (15) and spark plug mount pad (4), be provided with flame-thrower nozzle (7) in the shell (6), the inlet of flame-thrower nozzle (7) and kerosene pressure inlet (1), oxygen pressure inlet (2) and spark plug mount pad (4) are connected, this flame-thrower nozzle (7) has formed a cavity with shell (6), and in the rear end of shell (6) and front end offer respectively be connected with handpiece Water Chilling Units (13) go into water nozzle mount pad (10) and backwater mouth mount pad (9), the front end of shell (6) offers the powder-feeding mouth (8) that is connected with flame-thrower nozzle (7), said kerosene pressure inlet (1), oxygen pressure inlet (2), powder-feeding mouth (8) with go into water nozzle mount pad (10) and also link to each other with control desk (12) respectively.
2, the anti-ablation of material, erosion property combined test apparatus under the hot conditions according to claim 1 is characterized in that: said control desk (12) comprises handpiece Water Chilling Units controller (17), kerosene controller (18), oxygen controller (19) and powder feeding controller (20);
Said handpiece Water Chilling Units controller (17) comprises discharge pressure table P1 and the leaving water temperature meter t1 that is installed on handpiece Water Chilling Units (13) water outlet pipeline, is installed in pressure of return water table P2 and return water temperature meter t2 on handpiece Water Chilling Units (13) water return pipeline;
Said kerosene controller (18) comprises motor pump R2, solenoid group 1DT, kerosene tensimeter P3, kerosene variable valve D1 and the kerosene oil flow meter F1 that is installed in successively on fuel tank (14) pipeline;
Said oxygen controller (19) comprises decompressor Q1, oxygen solenoid valve 2DT, oxygen flow variable valve D2, oxygen gauge P4 and the oxygen flow meter F2 that is installed in successively on the source of oxygen pipeline;
Said powder feeding controller (20) comprises the powder feeding solenoid valve 3DT that is installed on the powder feeding pipeline.
3, the anti-ablation of material, erosion property combined test apparatus under the hot conditions according to claim 1, it is characterized in that: said oxygen pressure is 2.0Mpa, oxygen flow is 58Kg/h.
4, the anti-ablation of material, erosion property combined test apparatus under the hot conditions according to claim 1, it is characterized in that: said kerosene pressure is 2.0Mpa, kerosene oil flow is 24L/h.
5, the anti-ablation of material, erosion property combined test apparatus under the hot conditions according to claim 1 is characterized in that: the pressure in the said flame-thrower nozzle (7) is 1.2Mpa.
6, the anti-ablation of material, erosion property combined test apparatus under the hot conditions according to claim 1 is characterized in that: the throat diameter of said flame-thrower nozzle (7) is that 10mm, outlet diameter are 15mm.
7, a kind of test method according to the described device of claim 1, it is characterized in that: the flow mixing ratio of regulating kerosene and oxygen, make kerosene and oxygen after atomizing, mixing, spray into flame generating means, ignition forms the combustion gas of High Temperature High Pressure, combustion gas by nozzle after speed reach supersonic speed or subsonic speed, powder feeder is delivered to the erosion particle at the nozzle of flame generating means, form Dual-Phrase Distribution of Gas olid, material sample is ablated and erosion, weight, composition and microstructure difference before and after the comparative material test can be estimated its performance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN 200710017967 CN101067593A (en) | 2007-06-01 | 2007-06-01 | Material ablation resisting performance comprehensive testing method and device under high-temperature condition |
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| CN 200710017967 CN101067593A (en) | 2007-06-01 | 2007-06-01 | Material ablation resisting performance comprehensive testing method and device under high-temperature condition |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106289954A (en) * | 2016-10-11 | 2017-01-04 | 上海凯尔孚应力腐蚀试验设备有限公司 | A kind of water inlet/outlet device of high temperature experiment still |
| CN106950128A (en) * | 2017-03-20 | 2017-07-14 | 清华大学 | A kind of online dynamic ablation measurement apparatus and its measuring method for applying shock loading |
| CN109269811A (en) * | 2018-10-15 | 2019-01-25 | 北京动力机械研究所 | Water cooling jet pipe under big gas flow use condition measures segment structure |
| CN109342241A (en) * | 2018-10-26 | 2019-02-15 | 太原理工大学 | The multi-functional erosion test device of high temperature and high speed gas jet |
| CN111562189A (en) * | 2020-05-31 | 2020-08-21 | 太原理工大学 | Ultrahigh-temperature gas jet erosion test device for diversion trench material |
| CN112268789A (en) * | 2020-11-12 | 2021-01-26 | 中国航空工业集团公司北京长城计量测试技术研究所 | High-speed water flow impact test device |
| CN114689639A (en) * | 2022-03-09 | 2022-07-01 | 华东理工大学 | Hydrogen-mixed gas test system |
| CN115096692A (en) * | 2022-06-14 | 2022-09-23 | 北京理工大学 | Experimental system for simulating high-temperature high-speed two-phase flow scouring ablation |
| CN115453039A (en) * | 2022-09-19 | 2022-12-09 | 中国航空制造技术研究院 | Supersonic flame ablation test device and method for ablation-resistant material |
-
2007
- 2007-06-01 CN CN 200710017967 patent/CN101067593A/en active Pending
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106289954A (en) * | 2016-10-11 | 2017-01-04 | 上海凯尔孚应力腐蚀试验设备有限公司 | A kind of water inlet/outlet device of high temperature experiment still |
| CN106950128B (en) * | 2017-03-20 | 2019-07-05 | 清华大学 | A kind of online dynamic ablation measuring device and its measurement method for applying shock loading |
| CN106950128A (en) * | 2017-03-20 | 2017-07-14 | 清华大学 | A kind of online dynamic ablation measurement apparatus and its measuring method for applying shock loading |
| CN109269811A (en) * | 2018-10-15 | 2019-01-25 | 北京动力机械研究所 | Water cooling jet pipe under big gas flow use condition measures segment structure |
| CN109342241B (en) * | 2018-10-26 | 2021-01-15 | 太原理工大学 | High-temperature high-speed gas jet multifunctional erosion test device |
| CN109342241A (en) * | 2018-10-26 | 2019-02-15 | 太原理工大学 | The multi-functional erosion test device of high temperature and high speed gas jet |
| CN111562189A (en) * | 2020-05-31 | 2020-08-21 | 太原理工大学 | Ultrahigh-temperature gas jet erosion test device for diversion trench material |
| CN111562189B (en) * | 2020-05-31 | 2022-06-28 | 太原理工大学 | Ultrahigh-temperature gas jet erosion test device for diversion trench material |
| CN112268789A (en) * | 2020-11-12 | 2021-01-26 | 中国航空工业集团公司北京长城计量测试技术研究所 | High-speed water flow impact test device |
| CN112268789B (en) * | 2020-11-12 | 2022-11-18 | 中国航空工业集团公司北京长城计量测试技术研究所 | High-speed water flow impact test device |
| CN114689639A (en) * | 2022-03-09 | 2022-07-01 | 华东理工大学 | Hydrogen-mixed gas test system |
| CN115096692A (en) * | 2022-06-14 | 2022-09-23 | 北京理工大学 | Experimental system for simulating high-temperature high-speed two-phase flow scouring ablation |
| CN115096692B (en) * | 2022-06-14 | 2023-05-05 | 北京理工大学 | Experimental system for simulating high-temperature high-speed two-phase flow scouring ablation |
| CN115453039A (en) * | 2022-09-19 | 2022-12-09 | 中国航空制造技术研究院 | Supersonic flame ablation test device and method for ablation-resistant material |
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Open date: 20071107 |