CN202870013U - Single-side high temperature test device under1800-DEG C aerobic environment of hypersonic speed aircraft material - Google Patents
Single-side high temperature test device under1800-DEG C aerobic environment of hypersonic speed aircraft material Download PDFInfo
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- CN202870013U CN202870013U CN 201220515998 CN201220515998U CN202870013U CN 202870013 U CN202870013 U CN 202870013U CN 201220515998 CN201220515998 CN 201220515998 CN 201220515998 U CN201220515998 U CN 201220515998U CN 202870013 U CN202870013 U CN 202870013U
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Abstract
The utility model discloses a single-side high temperature test device under an 1800-DEG C aerobic environment of a hypersonic speed aircraft material. The single-side high temperature test device comprises a silicon molybdenum heater array, a high-temperature ceramic support, a heat-insulating base, a high-temperature ceramic flat panel, a hypersonic speed aircraft plane test article material, a high-temperature insulating material, a thermocouple temperature sensor and a computer. The single-side high temperature test device can achieve a single-side flight heat environment of a high-Mach aircraft under an aerobic environment when a hypersonic speed aircraft material radiation heating test research is carried out, and measures thermal characteristic parameters of the hypersonic speed aircraft material under an extreme aerobic high-temperature environment. Important extreme thermal environment test methods are provided for development of a high-speed space aircraft.
Description
Technical field
The utility model relates to single side face high-temperature test device under the hypersonic aircraft material 1800 degree aerobic environments.Particularly when the radiation heating of simulation High Mach number Missile Experiment, can reappear the single side face flight thermal environment of hypersonic aircraft under the real aerobic conditions, obtain the performance parameters such as insulative properties of hypersonic aircraft material under extreme oxidation hot environment.For development high speed aerospace craft provides important heat test means of testing.
Background technology
Because hypersonic aircraft can be realized the remote fast arrival in the whole world, implement the at a high speed prominent anti-and quick precision strike of effective high-altitude, therefore have very important using value and strategic importance, hypersonic aircraft has become the focus of each main space flight and aviation big country research of the world today.
Along with hypersonic aircraft design flying speed increases substantially, the high thermal environment that is produced by Aerodynamic Heating becomes very harsh.The Temperature Distribution at each position is known when being got through the earth's atmosphere by document record u.s. space shuttle, the temperature in most of zone such as wing, body, vertical fin between 750 ℃ ~ 1500 ℃, the position such as aircraft inner cone end and air intake duct even 1800 ℃ high-temperature region can occur.Exceedingly odious high thermal environment like this is so that the thermal protection of hypersonic aircraft material and structure and hot strength problem become the key issue concerning the development success or failure.
The high temperature that serious Aerodynamic Heating produces appears during High Mach number flight, can significantly reduce the strength degree of hypersonic aircraft material and the load-bearing capacity of Flight Vehicle Structure, make the structure generation thermal deformation, destroy the aerodynamic configuration of parts and affect the security performance of Flight Vehicle Structure.For guaranteeing the safety of high-speed aircraft, thermal shock and high temperature thermal stress damage that the material of affirmation aircraft and structure produce in the time of whether standing high-speed flight must carry out static state or dynamic Aerodynamic Heating environmental simulation test to hypersonic aircraft material and structure.Simulated flight material and the structure situation of truly being heated when high-speed flight, the variation of the high temperature mechanical property parameters such as the thermal stress of aircraft each several part, thermal deformation, structure swell increment is on the impact of Vehicle Structure Strength in the analytical test process, and load-bearing capacity at high temperature, serviceable life and safe reliability, this work has very important practical significance for thermal protection and the safe design of hypersonic aircraft.
Greater than the hot test under 1500 ℃ of temperature environments relatively difficulty (be 1450 ℃ such as Ni-based stainless fusing point, melted in the time of 1500 ℃), thermal extremes test often need to be carried out under vacuum or the totally-enclosed condition of inert gas, and the aerobic thermal environment condition of this kind experimental enviroment during with flight is inconsistent.In addition, it is very complicated to use vacuum equipment to make the hot test test unit, and experimentation cost is expensive, and the test size is restricted.
Propose in " the key foundation problem in science of Near Space Flying Vehicles " great project project guide of state natural sciences fund committee up-to-date issue in 2012, to " develop and measure and characterize anti-various novel hyperthermal material more than 1500 ℃ and power-deformation curve and power/heat/oxidation key parameters and the performance of structure, the innovation ability of hyperthermal material and structural experiment method and technology under the lifting thermal extremes well-oxygenated environment.”
When hypersonic aircraft flew in atmospheric envelope, the friction of outside surface and air (single side face) produced high temperature, and this temperature is equivalent to the single side face heated condition.Therefore the single side face Aerodynamic Heating environment that needs aircraft outside surface in the simulated flight process is with the thermal protective performance of check and test heat insulation material and thermal protection struc ture.Therefore heat insulation material and thermal protection struc ture testpieces need to have the difference of hot side and huyashi-chuuka (cold chinese-style noodles) in the above-mentioned single side face heat test, heat insulation material and thermal protection struc ture integral body can not be placed in the high-temperature heater and heat.
Hypersonic aircraft design department very wishes under the thermal extremes aerobic environment up to 1800 ℃ at present, and High Mach number aircraft heat insulation material and thermal protection struc ture are carried out the test of single side face high-temperature heating performance test.Designed single side face high-temperature test device under 1800 ℃ of aerobic environments of a kind of hypersonic aircraft material for this reason.For the faster development of hypersonic aircraft and high-speed missile of flying speed provides necessary heat test means.
The utility model content
Technology of the present utility model is dealt with problems and is: overcome the deficiencies in the prior art, single side face high-temperature test device under 1800 ℃ of aerobic environments of a kind of hypersonic aircraft material is provided, can realize the single side face flight thermal environment of the heat insulation test specimen of hypersonic aircraft exotic material in the aerobic environment, obtain the insulative properties parameter of hypersonic aircraft material under extreme aerobic hot environment.For development high speed aerospace craft provides important research technique.
Technical solution of the present utility model is: single side face high-temperature test device under the hypersonic aircraft material 1800 degree aerobic environments comprises: silicon molybdenum heater array, refractory ceramics bearing, heat insulation pedestal, silicon molybdenum heater middle part bracing frame, refractory ceramics flat board, hypersonic aircraft plane testpieces material, high temperature insulating material, thermocouple temperature sensor, wire and computing machine; Described silicon molybdenum heater array is fixed in the circular hole of refractory ceramics bearing, form the dense arrangement plane heating array of a horizontal positioned, can generate the high thermal environment of aerobic up to 1800 ℃ after the energising of silicon molybdenum heater array, the refractory ceramics bearing is placed on the heat insulation pedestal, silicon molybdenum heater bracing frame is placed on the middle part of silicon molybdenum heater array, it is dull and stereotyped to lay the refractory ceramics that has square diathermanous hole on the refractory ceramics bearing, hypersonic aircraft plane testpieces material be placed on the refractory ceramics flat board above, the high temperature that silicon molybdenum heater array produces carries out radiation heating by the square diathermanous hole on the refractory ceramics flat board to hypersonic aircraft plane testpieces material, around the testpieces material of hypersonic aircraft plane, fill out and put the heat leak that high temperature insulating material prevents horizontal direction, the middle part of the lower surface of hypersonic aircraft plane testpieces material and the middle part of upper surface are equipped with thermocouple temperature sensor, and thermocouple temperature sensor is connected with computing machine by wire.Automatically record the temperature variation data on testpieces material upper and lower surface in hypersonic aircraft plane under the thermal extremes environment by computing machine, test obtains the heat-proof quality of hypersonic aircraft plane testpieces material.
Described thermocouple temperature sensor uses the noble metal platinum-rhodium wire that can work in up to 1850 ℃ of aerobic hot environments to make.
The described silicon molybdenum heater bracing frame that is installed in silicon molybdenum heater array middle part is used for avoiding the middle part sagging distortion of silicon molybdenum heater array under 1800 ℃ of hot environments by making by anti-1800 ℃ refractory ceramics.
Semi-circular recesses with silicon molybdenum heater array diameter coupling is arranged on the described silicon molybdenum heater bracing frame, because silicon molybdenum heater array at high temperature not only can produce sagging distortion, the horizontal irregular deformation that causes based on non-homogeneous thermal stress also can appear, the semi-circular recesses that is complementary with silicon molybdenum heater array diameter on silicon molybdenum heater bracing frame top, can carry out the spacing location, prevent the high temperature transversely deforming of silicon molybdenum heater, the homogeneity in the equidistant and temperature field between the molybdenum heating rod of assurance dense arrangement.
Described silicon molybdenum heater array is comprised of the Si-Mo rod that generates 1800 ℃ of aerobic hot environments.
Silicon molybdenum heating rod in the described silicon molybdenum heater array adopts series system to connect, to promote the power supply driving voltage of silicon molybdenum heater array.
Principle of the present utility model: when flying in atmospheric envelope owing to hypersonic aircraft, the high temperature that its outside surface and windage produce belongs to the single side face heated condition.Therefore heat insulation material and thermal protection struc ture integral body can not be placed in the high-temperature heater and heat.The utility model designs single side face high-temperature test device under 1800 ℃ of aerobic environments of a kind of hypersonic aircraft material, use silicon molybdenum heater formation to become the plane heating array of the horizontal positioned of a dense arrangement, form uniform horizontal temperature field, can produce the high thermal environment of single side face aerobic up to 1800 ℃ after the row energising, lay silicon molybdenum heater middle part bracing frame in the silicon molybdenum heater array middle part of horizontal positioned, the middle part that prevents silicon molybdenum heater array under the thermal extremes environment is sagging, the utility model can reappear the single side face flight thermal environment of the heat insulation test specimen of hypersonic aircraft exotic material under the aerobic environment, obtains security and Reliability Design to thermal protection system and has very the hypersonic aircraft material of significance and the insulative properties parameter under the structure thermal extremes environment.
The utility model beneficial effect compared with prior art is:
(1) prior art is for the whole type of heating in 1800 ℃ the use of thermal extremes thermal environment vacuum, inert gas or the high temperature closure stove, when flying in atmospheric envelope with hypersonic aircraft, outside surface is different from the fricative hot environment of air single side face, therefore and the heat insulation material testpieces has the difference of hot side and huyashi-chuuka (cold chinese-style noodles) in the high temperature heat test, heat insulation material and thermal protection struc ture integral body can not be placed on to carry out integral body in the high-temperature heater and heat.The utility model uses silicon molybdenum heater formation to become the plane heating array of a dense arrangement, generate the high thermal environment of single side face aerobic up to 1800 ℃ after the energising, hypersonic aircraft plane testpieces single side face is heated, temperature and temperature difference by the upper and lower surface of testpieces material, hypersonic aircraft plane under computer control and the automatic record thermal extremes environment obtain the heat-proof quality parameter of hypersonic aircraft plane testpieces material under the single side face thermal environment that conforms to flight environment of vehicle under 1800 ℃ of high temperature thus.
(2) the utility model becomes horizontal positioned with silicon molybdenum heater Array Design, because traditional vertical placement silicon molybdenum heater array is when generating large tracts of land temperature environment, heat is upwards assembled, can produce in vertical direction larger temperature difference, the utility model with silicon molybdenum heater array horizontal positioned after its heating position be in sustained height, the temperature field of generation has the good advantage of warm field uniformity than vertical placement silicon molybdenum heater array way.
(3) because 1800 ℃ of thermal extremes can cause the sagging distortion in middle part of silicon molybdenum heater array, this also is the reason place that traditional approach vertically hangs silicon molybdenum heater array, the utility model lay in the middle part of the silicon molybdenum heater array of horizontal positioned can anti-1800 ℃ of high temperature silicon molybdenum heater middle part bracing frame, prevented that the middle part of silicon molybdenum heater array is sagging under the hot environment.
(4) the utility model apparatus structure is succinct, and is easy to use, for hypersonic aircraft material and structure under extreme thermal environment heat-proof quality research and safe design effective ground experiment means are provided.Has important engineering using value.
Description of drawings
Fig. 1 is structure schematic side view of the present utility model;
Fig. 2 is silicon molybdenum heater array schematic top view of the present utility model;
Fig. 3 is silicon molybdenum heater array of the present utility model middle part bracing frame synoptic diagram.
Embodiment
Such as Fig. 1, Fig. 2 and shown in Figure 3, the utility model is comprised of with computing machine 10 silicon molybdenum heater array 1, refractory ceramics bearing 2, heat insulation pedestal 3, silicon molybdenum heater middle part bracing frame 4, refractory ceramics flat board 5, hypersonic aircraft plane testpieces material 6, high temperature insulating material 7, thermocouple temperature sensor 8, wire 9.Silicon molybdenum heater array 1 is fixed in the circular hole of refractory ceramics bearing 2, form the plane heating array of the dense arrangement of horizontal positioned, can generate the high thermal environment of aerobic up to 1800 ℃ after 1 energising of silicon molybdenum heater array, refractory ceramics bearing 2 is fixed on the heat insulation pedestal 3, silicon molybdenum heater bracing frame 4 is placed on the middle part of silicon molybdenum heater array 1, lay the refractory ceramics flat board 5 that has square diathermanous hole on the refractory ceramics bearing 2, hypersonic aircraft plane testpieces material 6 be placed on refractory ceramics flat board 5 above, the high temperature that silicon molybdenum heater array 1 produces heats hypersonic aircraft plane testpieces material 6 by the square diathermanous hole on the refractory ceramics flat board 5, around hypersonic aircraft plane testpieces material 6, fill out and put high temperature insulating material 7, as use can be anti-1800 ℃ the lightening fire resistant ceramic beaverboard, prevent hypersonic aircraft plane testpieces material 6 heat leak in the horizontal direction, lower surface (heating surface) middle part and upper surface (huyashi-chuuka (cold chinese-style noodles)) middle part of hypersonic aircraft plane testpieces material 6 are equipped with thermocouple temperature sensor 8, and are connected with computing machine 10 by wire 9.Computing machine 10 is recorded the temperature variation data on the testpieces material 6 upper and lower surfaces, hypersonic aircraft plane under the thermal extremes environment automatically, obtains the heat-proof quality parameter of hypersonic aircraft plane testpieces material 6.
Be placed on the silicon molybdenum heater bracing frame 4 at middle part of silicon molybdenum heater array 1 in the utility model by can making by anti-1800 ℃ refractory ceramics, be used for avoiding the sagging distortion at silicon molybdenum heater array 1 its middle part under 1800 ℃ of hot environments.
Semi-circular recesses with silicon molybdenum heater array 1 diameter coupling is arranged on the utility model medium-Si, Mo well heater bracing frame 4.
Silicon molybdenum heating rod in the utility model medium-Si, Mo heater arrays 1 connects with series system, to promote the power supply driving voltage of silicon molybdenum heater array 1.
The utility model does not elaborate part and belongs to techniques well known.
Claims (7)
1. single side face high-temperature test device under the hypersonic aircraft material 1800 degree aerobic environments is characterized in that comprising: silicon molybdenum heater array (1), refractory ceramics bearing (2), heat insulation pedestal (3), silicon molybdenum heater middle part bracing frame (4), refractory ceramics dull and stereotyped (5), hypersonic aircraft plane testpieces material (6), high temperature insulating material (7), thermocouple temperature sensor (8), wire (9) and computing machine (10); Silicon molybdenum heater array (1) is fixed in the circular hole of refractory ceramics bearing (2), forms the plane heating array of the dense arrangement of a horizontal positioned; Can generate the high thermal environment of aerobic up to 1800 ℃ after silicon molybdenum heater array (1) energising; Refractory ceramics bearing (2) is placed on the heat insulation pedestal (3), silicon molybdenum heater bracing frame (4) is placed on the middle part of silicon molybdenum heater array (1), lay the refractory ceramics dull and stereotyped (5) that has square diathermanous hole on the refractory ceramics bearing (2), hypersonic aircraft plane testpieces material (6) be placed on refractory ceramics flat board (5) above, lower surface middle part and the upper surface middle part of hypersonic aircraft plane testpieces material (6) are equipped with thermocouple temperature sensor (8), and thermocouple temperature sensor (8) output is connected with computing machine (10) by wire (9); Computing machine (10) records temperature variation data and the temperature difference on the upper and lower surface of hypersonic aircraft plane testpieces material (6) under the thermal extremes environment automatically, measures the heat-proof quality parameter of hypersonic aircraft plane testpieces material (6) by thermocouple temperature sensor (8).
2. hypersonic aircraft material 1800 according to claim 1 is spent single side face high-temperature test device under the aerobic environments, and it is characterized in that: described silicon molybdenum heater array (1) is comprised of the Si-Mo rod that generates 1800 ℃ of aerobic hot environments.
3. hypersonic aircraft material 1800 according to claim 1 is spent single side face high-temperature test device under the aerobic environments, and it is characterized in that: described thermocouple temperature sensor (8) is made by the noble metal platinum-rhodium wire of working in up to 1850 ℃ of aerobic hot environments.
4. hypersonic aircraft material 1800 according to claim 1 is spent single side face high-temperature test device under the aerobic environments, it is characterized in that: the silicon molybdenum heater bracing frame (4) at described silicon molybdenum heater array (1) middle part is made by anti-1800 ℃ refractory ceramics.
5. single side face high-temperature test device under the hypersonic aircraft material 1800 degree aerobic environments according to claim 1 is characterized in that: the semi-circular recesses with silicon molybdenum heater array (1) diameter coupling is arranged on the described silicon molybdenum heater bracing frame (4).
6. hypersonic aircraft material 1800 according to claim 1 is spent single side face high-temperature test device under the aerobic environments, it is characterized in that: the silicon molybdenum heating rod in the described silicon molybdenum heater array (1) connects with series system, to promote the power supply driving voltage of silicon molybdenum heater array (1).
7. single side face high-temperature test device under the hypersonic aircraft material 1800 degree aerobic environments according to claim 1 is characterized in that: fill out around described hypersonic aircraft plane testpieces material (6) and put high temperature insulating material (7).
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| CN 201220515998 CN202870013U (en) | 2012-10-09 | 2012-10-09 | Single-side high temperature test device under1800-DEG C aerobic environment of hypersonic speed aircraft material |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102879423A (en) * | 2012-10-09 | 2013-01-16 | 北京航空航天大学 | Single-side high-temperature testing device of hypersonic aircraft material in 1800-degree aerobic environment |
| CN106568802A (en) * | 2016-10-28 | 2017-04-19 | 北京航天长征飞行器研究所 | Free jet type supersonic flue gas flow enthalpy value steady state measurement apparatus |
| CN106841288A (en) * | 2017-03-23 | 2017-06-13 | 北京临近空间飞行器系统工程研究所 | Comprehensive analysis method based on the various thermally protective materials of flight |
| CN108132112A (en) * | 2017-11-13 | 2018-06-08 | 北京临近空间飞行器系统工程研究所 | A kind of hypersonic aircraft surface heat flux device and design method |
| CN109211970A (en) * | 2018-11-09 | 2019-01-15 | 中国兵器工业第五九研究所 | Heat insulating property test device, heat-proof quality test method and application |
| CN112858381A (en) * | 2020-12-31 | 2021-05-28 | 中国建筑材料科学研究总院有限公司 | Heat insulation performance test device and test method for heat insulation material for high-speed aircraft engine |
| CN115356372A (en) * | 2022-10-24 | 2022-11-18 | 中国空气动力研究与发展中心计算空气动力研究所 | Time-varying thermal response test method and system for novel material in flight test |
-
2012
- 2012-10-09 CN CN 201220515998 patent/CN202870013U/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102879423A (en) * | 2012-10-09 | 2013-01-16 | 北京航空航天大学 | Single-side high-temperature testing device of hypersonic aircraft material in 1800-degree aerobic environment |
| CN102879423B (en) * | 2012-10-09 | 2015-01-21 | 北京航空航天大学 | Single-side high-temperature testing device of hypersonic aircraft material in 1800-degree aerobic environment |
| CN106568802A (en) * | 2016-10-28 | 2017-04-19 | 北京航天长征飞行器研究所 | Free jet type supersonic flue gas flow enthalpy value steady state measurement apparatus |
| CN106568802B (en) * | 2016-10-28 | 2019-05-24 | 北京航天长征飞行器研究所 | A kind of free jet formula supersonic speed combustion gas stream enthalpy steady state measurement device |
| CN106841288A (en) * | 2017-03-23 | 2017-06-13 | 北京临近空间飞行器系统工程研究所 | Comprehensive analysis method based on the various thermally protective materials of flight |
| CN108132112A (en) * | 2017-11-13 | 2018-06-08 | 北京临近空间飞行器系统工程研究所 | A kind of hypersonic aircraft surface heat flux device and design method |
| CN108132112B (en) * | 2017-11-13 | 2019-12-20 | 北京临近空间飞行器系统工程研究所 | Hypersonic aircraft surface heat flow identification device and design method |
| CN109211970A (en) * | 2018-11-09 | 2019-01-15 | 中国兵器工业第五九研究所 | Heat insulating property test device, heat-proof quality test method and application |
| CN112858381A (en) * | 2020-12-31 | 2021-05-28 | 中国建筑材料科学研究总院有限公司 | Heat insulation performance test device and test method for heat insulation material for high-speed aircraft engine |
| CN112858381B (en) * | 2020-12-31 | 2023-03-24 | 中国建筑材料科学研究总院有限公司 | Heat insulation performance test device and test method for heat insulation material for high-speed aircraft engine |
| CN115356372A (en) * | 2022-10-24 | 2022-11-18 | 中国空气动力研究与发展中心计算空气动力研究所 | Time-varying thermal response test method and system for novel material in flight test |
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Granted publication date: 20130410 Termination date: 20131009 |