CN112983682A - Engine injection device and wall surface temperature control method thereof - Google Patents
Engine injection device and wall surface temperature control method thereof Download PDFInfo
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- CN112983682A CN112983682A CN202110180244.2A CN202110180244A CN112983682A CN 112983682 A CN112983682 A CN 112983682A CN 202110180244 A CN202110180244 A CN 202110180244A CN 112983682 A CN112983682 A CN 112983682A
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- 238000002347 injection Methods 0.000 title claims abstract description 74
- 239000007924 injection Substances 0.000 title claims abstract description 74
- 238000000034 method Methods 0.000 title claims abstract description 12
- 238000001816 cooling Methods 0.000 claims abstract description 34
- 238000002955 isolation Methods 0.000 claims abstract description 29
- 238000012360 testing method Methods 0.000 claims abstract description 29
- 239000000919 ceramic Substances 0.000 claims abstract description 26
- 239000000498 cooling water Substances 0.000 claims description 10
- 239000004519 grease Substances 0.000 claims description 8
- 230000006698 induction Effects 0.000 claims description 8
- 229920001296 polysiloxane Polymers 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 6
- 239000000843 powder Substances 0.000 claims description 5
- HQFOCKGJCOKXLK-UHFFFAOYSA-N chromium copper nickel Chemical compound [Cr][Ni][Cu][Ni] HQFOCKGJCOKXLK-UHFFFAOYSA-N 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 4
- 238000009529 body temperature measurement Methods 0.000 abstract description 8
- 238000005259 measurement Methods 0.000 abstract description 7
- 238000005516 engineering process Methods 0.000 abstract description 2
- 238000009434 installation Methods 0.000 description 5
- 238000004088 simulation Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000003466 welding Methods 0.000 description 4
- 238000004458 analytical method Methods 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 230000000149 penetrating effect Effects 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 239000007788 liquid Substances 0.000 description 2
- 229910001256 stainless steel alloy Inorganic materials 0.000 description 2
- 238000002679 ablation Methods 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000005856 abnormality Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000000191 radiation effect Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02K—JET-PROPULSION PLANTS
- F02K9/00—Rocket-engine plants, i.e. plants carrying both fuel and oxidant therefor; Control thereof
- F02K9/96—Rocket-engine plants, i.e. plants carrying both fuel and oxidant therefor; Control thereof characterised by specially adapted arrangements for testing or measuring
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Testing Of Engines (AREA)
Abstract
The invention relates to a wall surface temperature control technology of an engine test ejector device, in particular to an engine ejector device and a wall surface temperature control method thereof, and aims to solve the problem that in the wall surface temperature measurement of the existing engine test ejector device, a temperature sensor is generally arranged on an outer layer cooling jacket, and the accurate measurement cannot be realized. The technical scheme adopted by the invention is as follows: an engine injection device comprises an inner-layer injection pipe, an outer-layer cooling jacket sleeved on the inner-layer injection pipe, and a temperature test system arranged on the cooling jacket; the temperature testing system comprises a temperature measuring unit; the temperature measuring unit comprises an anode thermocouple wire, a cathode thermocouple wire, a ceramic sleeve sleeved outside the anode thermocouple wire and the cathode thermocouple wire, and an embedded isolation tube sleeved outside the ceramic sleeve; the temperature measuring ends of the anode thermocouple wire and the cathode thermocouple wire adopt a double-twisted structure and are welded on the outer wall of the inner injection pipe; the invention also provides a temperature control method for the wall surface of the engine injection device.
Description
Technical Field
The invention relates to a wall surface temperature control technology of an engine test injection device, in particular to an engine injection device and a wall surface temperature control method thereof.
Background
As shown in fig. 1 and 2, in a high altitude simulation test of a liquid rocket engine, the engine generally needs to be designed and uses an ejector device to realize simulation of a vacuum environment working state of a thrust chamber nozzle outlet, the ejector device with a sandwich water-cooled structure is core equipment of the high altitude simulation test of the engine, and a main structure of the ejector device comprises an inner ejector pipe 01 and an outer cooling jacket 02.
When engine ignition is experimental, the high temperature high pressure gas that thrust chamber spout produced can directly draw the internal face of penetrating pipe 01 with the injection device inlayer and produce high temperature convection and radiation effect, draws to penetrate pipe 01 and can obtain the cooling in order to guarantee the inlayer, need draw the cover 02 to supply a large amount of cooling water through outer cooling jacket to cool down to the inlayer and draw penetrating pipe 01, avoids the inlayer to draw and penetrates the abnormal phenomena such as pipe 01 appearance ablation, damage. Therefore, cooling is the basis for ensuring the stable work of the injection device, the temperature distribution data of the injection device must be acquired and mastered, and the stable and reliable work of the injection device and the engine during thermal test is guaranteed.
According to the test requirements, the wall surface temperature of the inner-layer injection pipe 01 is used as a key parameter of an injection device and needs to be monitored and measured in real time in the engine thermal test. However, due to the sealing of the structure of the injection device, a non-contact temperature measurement mode cannot be used. When the injection device adopts a contact temperature measurement mode, the inner wall surface of the inner injection pipe 01 is in direct contact with high-temperature high-pressure fuel gas at the nozzle of the engine, so that the conventional temperature sensor and the conventional measurement cable cannot be directly and effectively arranged on the inner wall surface of the inner injection pipe 01.
Therefore, the existing temperature sensor is generally installed in the outer-layer cooling jacket 02, but the temperature sensor cannot accurately reflect the temperature of the inner wall surface of the injection device due to the influence of the cooling water temperature, and the temperature sensor cannot be in contact with water generally, so that the problems of insulation failure, data abnormality and the like of the temperature sensor are easily caused once the temperature sensor is in contact with the water, and the accurate measurement of the temperature parameter of the inner wall surface of the injection device is difficult to realize.
Disclosure of Invention
The invention provides an engine injection device and a wall surface temperature control method thereof, aiming at solving the problem that in the wall surface temperature measurement of the existing engine test injection device, a temperature sensor is generally arranged on an outer layer cooling jacket, so that the accurate measurement cannot be realized.
The technical scheme adopted by the invention is as follows: an engine injection device is characterized in that:
the device comprises an inner-layer injection pipe, an outer-layer cooling jacket sleeved on the inner-layer injection pipe, and a temperature test system arranged on the cooling jacket;
the temperature testing system comprises at least two temperature measuring units arranged on the inner-layer injection pipe, and the temperature measuring units are respectively arranged on different temperature areas; the temperature measuring unit comprises an anode thermocouple wire, a cathode thermocouple wire, a ceramic sleeve sleeved outside the anode thermocouple wire and the cathode thermocouple wire, and an embedded isolation tube sleeved outside the ceramic sleeve;
the temperature measuring ends of the anode thermocouple wire and the cathode thermocouple wire adopt a double-twisted structure and are welded on the outer wall of the inner injection pipe; the output ends of the positive thermocouple wire and the negative thermocouple wire extend out of the embedded isolating tube; one end of the embedded isolation pipe is welded on the outer wall of the inner injection pipe, and the other end of the embedded isolation pipe penetrates through the outer cooling jacket and is connected with the outer cooling jacket in a sealing manner;
ceramic powder is filled between the ceramic sleeve and the embedded isolation tube, wherein the ceramic powder is used for filling a gap in the structure fully, and then the ceramic powder is fixed by using high-temperature glue to eliminate stress and ensure that the thermocouple wire is insulated and fixed in the embedded isolation tube, so that the purpose of firm and reliable welding spot of the thermocouple wire is achieved; and insulating silicone grease is filled between the positive thermocouple wire and the negative thermocouple wire and between the positive thermocouple wire and the embedded isolating tube.
Furthermore, the area of the tested area isolated by the embedded isolation tube is not more than 0.12cm2。
Furthermore, the inner layer ejector pipe is provided with three different temperature areas which are respectively positioned at the inlet, the middle and the outlet of the inner layer ejector pipe.
Further, the drift diameter size of the embedded isolation pipe is DN 4.
Furthermore, two cylindrical channels for respectively placing the anode thermocouple wire and the cathode thermocouple wire are arranged in the ceramic sleeve, and the ceramic sleeve mainly plays roles in insulating, insulating heat and fixing the thermocouple wires.
Furthermore, the temperature measuring unit is an E-type thermocouple temperature sensor, the main material is nickel-chromium-copper-nickel, the wall surface of an inner injection pipe installed on the E-type thermocouple temperature sensor is made of stainless steel alloy, and the E-type thermocouple temperature sensor can meet the firmness and reliability of welding installation of the temperature sensor according to material welding characteristic analysis.
Further, the insulating silicone grease is columnar.
The method for controlling the temperature of the wall surface of the injection device of the engine is characterized by comprising the following steps of:
step 1) installing an inner-layer injection pipe at a nozzle of an engine, and testing the temperature of the wall surface of the inner-layer injection pipe;
step 2) measuring the temperature of different temperature areas of the inner-layer injection pipe by using a temperature measuring unit to obtain temperature data;
and 3) adjusting the cooling water flow in the outer-layer cooling jacket or designing different heat exchange structures according to the temperature data to keep the wall surface temperature of the inner-layer injection pipe within a reference temperature range.
Further, in the step 2), the temperature measuring unit measures the temperature of three different temperature areas of the inner-layer ejector pipe, and the three different temperature areas are respectively positioned at the inlet, the middle and the outlet of the inner-layer ejector pipe.
Further, in the step 3), the cooling water flow of the outer-layer cooling jacket is adjusted or different heat exchange structures are designed, so that the reference temperature range of the wall surface of the inner-layer injection pipe measured by the temperature test system is 200-600 ℃.
Compared with the prior art, the invention has the following beneficial effects.
According to the engine ejector device, the temperature test system is installed on the inner ejector pipe provided with the outer cooling jacket for the first time, the temperature test system can monitor and measure the core temperature parameter of the wall surface of the inner ejector pipe, the temperature distribution rule of the inner ejector pipe of the ejector device in the high-altitude simulation test of the liquid rocket engine is accurately obtained, the accurate measurement of the wall surface temperature of the inner ejector pipe is achieved, effective data support is provided for the outer cooling jacket, and the cooling structure design performance of the ejector device is improved.
According to the engine injection device, the thermocouple wire and the outer-layer cooling jacket can be isolated and separated by the embedded isolation pipe, so that the problems of insulation failure and data abnormity of the temperature sensor when water exists are avoided; meanwhile, the area of the tested area isolated by the embedded isolation tube is set to be not more than 0.12cm2The area is prevented from being burnt and damaged by high-temperature flame, and the effective and reliable installation of the temperature sensor is realized; and doThe drift diameter size of the embedded structure is DN4, so that the size structure is matched with the installation space of the temperature sensor, and the normal use of the temperature sensor is ensured.
The integrated ceramic sleeve is good in stability and simple and convenient to operate, the positive thermocouple wire and the negative thermocouple wire can be quickly installed and fixed, and the ceramic sleeve is more stable and convenient to install in the follow-up process; meanwhile, the ceramic sleeve can insulate and protect the thermocouple wire, so that the safety and normal use of the thermocouple wire are ensured.
The injection device of the engine adopts the E-shaped thermocouple temperature sensor, can meet the measurement requirement of the inner injection pipe wall surface temperature within the reference range of 200-600 ℃, and realizes the accurate measurement of the inner injection pipe wall surface temperature, and the E-shaped thermocouple temperature sensor is mainly made of nickel-chromium-copper-nickel and matched with the inner injection pipe wall surface material stainless steel alloy, so that the firmness and the reliability of the welding installation of the E-shaped thermocouple temperature sensor can be met.
According to the engine injection device, the insulating silicone grease is arranged, so that the influence of high temperature generated when the embedded isolation pipe is welded with the inner injection pipe and high temperature generated in an engine test is reduced; the insulating silicone grease is arranged to be columnar, and the columnar shape is convenient for penetrating and fitting with the ceramic sleeve.
Drawings
Fig. 1 is a schematic structural diagram of an existing engine injection device.
Fig. 2 is a partial schematic view of an outer-layer cooling jacket of a conventional engine injection device.
In the drawings 1 and 2, 01-an inner layer ejector pipe and 02-an outer layer cooling jacket.
FIG. 3 is a temperature field distribution diagram within an engine induction unit of the present invention.
Fig. 4 is a schematic structural diagram of a temperature testing system in the engine injection device according to the present invention.
Fig. 5 is a cross-sectional view of a ceramic bushing in an engine induction apparatus of the present invention.
FIG. 6 is a schematic structural diagram of a thermocouple wire in the engine injector according to the present invention.
In fig. 3 to 6:
1-inner layer injection pipe, 2-outer layer cooling jacket, 3-temperature testing system, 31-anode thermocouple wire, 32-cathode thermocouple wire, 33-ceramic sleeve and 34-embedded isolation pipe.
Detailed Description
The technical solution of the present invention will be clearly and completely described below with reference to the embodiments of the present invention and the accompanying drawings, and it is obvious that the described embodiments do not limit the present invention.
As shown in fig. 4 and 6, the engine ejector device in this embodiment includes an inner ejector pipe 1, an outer cooling jacket 2 sleeved on the inner ejector pipe 1, and a temperature testing system 3 disposed on the cooling jacket 2;
the temperature testing system 3 comprises at least two temperature measuring units arranged on the inner-layer injection pipe 1, and the temperature measuring units are respectively arranged on different temperature areas; the three different temperature areas are respectively positioned at the inlet, the middle part and the outlet of the inner layer injection pipe 1; the temperature measuring unit comprises an anode thermocouple wire 31, a cathode thermocouple wire 32, a ceramic sleeve 33 sleeved outside the anode thermocouple wire 31 and the cathode thermocouple wire 32, and an embedded isolation tube 34 sleeved outside the ceramic sleeve 33;
the temperature measuring ends of the anode thermocouple wire 31 and the cathode thermocouple wire 32 adopt a double-twisted structure and are welded on the outer wall of the inner-layer injection pipe 1; the output ends of the anode thermocouple wire 31 and the cathode thermocouple wire 32 extend out of the embedded isolation tube 34; as shown in fig. 5, two cylindrical passages for respectively placing the positive thermocouple wire 31 and the negative thermocouple wire 32 are arranged inside the ceramic sleeve 33; one end of the embedded isolation pipe 34 is welded on the outer wall of the inner injection pipe 1, and the other end of the embedded isolation pipe penetrates through the outer cooling jacket 2 and is connected with the outer cooling jacket 2 in a sealing manner;
ceramic powder is filled between the ceramic sleeve 33 and the embedded isolation tube 34; and insulating silicone grease is filled between the anode thermocouple wire 31 and the cathode thermocouple wire 32 and the embedded isolation tube 34, and the insulating silicone grease is columnar.
The area of the tested area isolated by the embedded isolation tube 34 is not largeAt 0.12cm2The drift diameter of the embedded isolation pipe 34 is DN 4.
When the reference temperature range of the wall surface of the inner-layer injection pipe 1 is 200-600 ℃, the temperature measuring unit can be an E-type thermocouple temperature sensor, and the main material is nickel-chromium-copper-nickel; when the reference temperature range of the wall surface of the inner-layer injection pipe 1 is 400-600 ℃, the temperature measuring unit can be selected as a K-type temperature sensor.
The embodiment also provides a method for controlling the temperature of the wall surface of the engine injection device, which comprises the following steps:
step 1) install the inlayer and draw the ejector pipe in the nozzle department of engine, carry out the temperature test of the inlayer and draw 1 wall of ejector pipe, specifically as follows:
according to the parameters of the gas at the outlet of the engine and the structure of the injection device, the radiation temperature distribution of the injection device under the action of the high-temperature gas at the outlet of the engine is obtained through simulation analysis. As shown in fig. 3, it can be seen that the internal temperature is not uniform for this type of engine and eductor, and the temperature at the eductor outlet is higher than elsewhere due to the interaction of the shock and expansion waves. According to the analysis and selection of the temperature, temperature measuring points are respectively an inlet, a middle and an outlet of the injection device, and temperature testing is carried out.
Step 2) temperature measurement is carried out on different temperature areas of the inner-layer injection pipe 1 by using a temperature measurement unit, and temperature data are obtained, wherein the temperature measurement unit specifically comprises the following steps:
analyzing the area of the region with large temperature change, performing heat exchange calculation according to the heat transfer performance of the material of the injection device, and determining that the area of the region cannot be larger than 0.12cm2The structure of the area can be ensured not to be burnt through and damaged under the condition of no cooling water protection;
measuring the temperature of different temperature areas of the inner-layer injection pipe 1 by using a temperature measuring unit to obtain temperature data of three temperature measuring points; the embedded isolating pipe 34 in the temperature measuring unit can realize the isolation protection of the thermocouple wires, ensure the reliable installation and the accurate data of the thermocouple wires, and avoid the influence of cooling water in the outer-layer cooling jacket 2 on the temperature measurement, such as the influence of insulation failure or data abnormity of the temperature measuring unit caused by the cooling water;
and 3) adjusting the cooling water flow in the outer cooling jacket 2 or designing different heat exchange structures according to the temperature data to ensure that the reference temperature range of the wall surface of the inner injection pipe 1 is 200-600 ℃, namely ensuring that the wall surface temperature of the inner injection pipe 1 is controlled within the reference safety range.
The above description is only an embodiment of the present invention, and is not intended to limit the scope of the present invention, and all equivalent structural changes made by using the contents of the present specification and the drawings, or applied directly or indirectly to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. An engine induction apparatus which characterized in that:
comprises an inner-layer injection pipe (1), an outer-layer cooling jacket (2) sleeved on the inner-layer injection pipe (1), and a temperature testing system (3) arranged on the cooling jacket (2);
the temperature testing system (3) comprises at least two temperature measuring units arranged on the inner-layer injection pipe (1), and the temperature measuring units are respectively arranged on different temperature areas; the temperature measuring unit comprises an anode thermocouple wire (31), a cathode thermocouple wire (32), a ceramic sleeve (33) sleeved outside the anode thermocouple wire (31) and the cathode thermocouple wire (32), and an embedded isolation tube (34) sleeved outside the ceramic sleeve (33);
the temperature measuring ends of the anode thermocouple wire (31) and the cathode thermocouple wire (32) adopt a double-twisted structure and are welded on the outer wall of the inner-layer injection pipe (1); the output ends of the anode thermocouple wire (31) and the cathode thermocouple wire (32) extend out of the embedded isolation tube (34); one end of the embedded isolation pipe (34) is welded on the outer wall of the inner injection pipe (1), and the other end of the embedded isolation pipe penetrates through the outer cooling jacket (2) and is connected with the outer cooling jacket (2) in a sealing manner;
ceramic powder is filled between the ceramic sleeve (33) and the embedded isolation tube (34); and insulating silicone grease is filled between the anode thermocouple wire (31) and the cathode thermocouple wire (32) and the embedded isolation tube (34).
2. According to claim 1The engine ejector is characterized in that: the area of the tested area isolated by the embedded isolation tube (34) is not more than 0.12cm2。
3. The engine induction apparatus of claim 2, wherein: the inner-layer injection pipe (1) is provided with three different temperature areas which are respectively positioned at the inlet, the middle and the outlet of the inner-layer injection pipe (1).
4. The engine induction apparatus according to any one of claims 1 to 3, wherein: the drift diameter size of the embedded isolation pipe (34) is DN 4.
5. The engine induction apparatus of claim 4, wherein: two cylindrical channels for respectively placing an anode thermocouple wire (31) and a cathode thermocouple wire (32) are arranged in the ceramic sleeve (3).
6. The engine induction apparatus of claim 5, wherein: the temperature measuring unit is an E-type thermocouple temperature sensor, and the main material is nickel-chromium-copper-nickel.
7. The engine induction apparatus of claim 6, wherein: the insulating silicone grease is columnar.
8. The method for controlling the temperature of the wall surface of the engine injection device is characterized by comprising the following steps of:
step 1), installing an inner-layer injection pipe (1) at a nozzle of an engine, and testing the temperature of the wall surface of the inner-layer injection pipe (1);
step 2) measuring the temperature of different temperature areas of the inner injection pipe (1) by using a temperature measuring unit to obtain temperature data;
and 3) adjusting the cooling water flow in the outer cooling jacket (2) or designing different heat exchange structures according to the temperature data, so that the wall surface temperature of the inner injection pipe (1) is kept within a reference temperature range.
9. The method for controlling the temperature of the wall surface of the engine ejector device according to claim 8, wherein in the step 2), the temperature measuring unit measures the temperature of three different temperature areas of the inner-layer ejector pipe (1), and the three different temperature areas are respectively positioned at an inlet, a middle part and an outlet of the inner-layer ejector pipe (1).
10. The method for controlling the temperature of the wall surface of the engine ejector device according to claim 9, wherein in the step 3), the reference temperature range of the wall surface of the inner ejector pipe (1) measured by the temperature test system (3) is 200-600 ℃ by adjusting the cooling water flow rate of the outer cooling jacket (2) or designing different heat exchange structures.
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| CN202110180244.2A CN112983682A (en) | 2021-02-08 | 2021-02-08 | Engine injection device and wall surface temperature control method thereof |
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| CN202110180244.2A CN112983682A (en) | 2021-02-08 | 2021-02-08 | Engine injection device and wall surface temperature control method thereof |
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Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3670564A (en) * | 1971-06-21 | 1972-06-20 | Nasa | Altitude simulation chamber for rocket engine testing |
| CN101808431A (en) * | 2010-04-07 | 2010-08-18 | 洛阳理工学院 | Miniature black body radiation source and preparation method thereof |
| CN102829002A (en) * | 2012-08-27 | 2012-12-19 | 中国航天科技集团公司第四研究院四0一所 | Small-size annular nozzle ejector with exchangeable throat part |
| CN102937486A (en) * | 2012-12-04 | 2013-02-20 | 中国航空工业集团公司北京长城计量测试技术研究所 | Toughening-type high-temperature iridium rhodium thermocouple |
| CN104198074A (en) * | 2014-09-11 | 2014-12-10 | 中国工程物理研究院化工材料研究所 | Copper-constantan thermocouple and preparation method thereof |
| CN104483034A (en) * | 2014-12-10 | 2015-04-01 | 中国科学院工程热物理研究所 | High temperature liquid cooling temperature measurement device for measurement of outlet temperature field of combustion chamber |
| CN105698954A (en) * | 2015-12-11 | 2016-06-22 | 中国航空工业集团公司北京长城计量测试技术研究所 | No-cooling type high-temperature sensor with refractory metal alloy housing |
| CN106918734A (en) * | 2017-05-11 | 2017-07-04 | 中国工程物理研究院应用电子学研究所 | A kind of B dot probes for vacuum diode current measurement |
| CN108592997A (en) * | 2018-04-24 | 2018-09-28 | 中国核动力研究设计院 | A kind of horizontal pipe steam condensation heat transfer thermal parametre measuring device |
| CN109339983A (en) * | 2018-11-22 | 2019-02-15 | 内蒙航天动力机械测试所 | The verifying device of the virtual high mould experimental enviroment model of solid propellant rocket |
| CN110648772A (en) * | 2019-09-20 | 2020-01-03 | 西安交通大学 | Temperature measuring device and method for inner tube outer wall of supercritical water-cooled reactor coolant channel |
-
2021
- 2021-02-08 CN CN202110180244.2A patent/CN112983682A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3670564A (en) * | 1971-06-21 | 1972-06-20 | Nasa | Altitude simulation chamber for rocket engine testing |
| CN101808431A (en) * | 2010-04-07 | 2010-08-18 | 洛阳理工学院 | Miniature black body radiation source and preparation method thereof |
| CN102829002A (en) * | 2012-08-27 | 2012-12-19 | 中国航天科技集团公司第四研究院四0一所 | Small-size annular nozzle ejector with exchangeable throat part |
| CN102937486A (en) * | 2012-12-04 | 2013-02-20 | 中国航空工业集团公司北京长城计量测试技术研究所 | Toughening-type high-temperature iridium rhodium thermocouple |
| CN104198074A (en) * | 2014-09-11 | 2014-12-10 | 中国工程物理研究院化工材料研究所 | Copper-constantan thermocouple and preparation method thereof |
| CN104483034A (en) * | 2014-12-10 | 2015-04-01 | 中国科学院工程热物理研究所 | High temperature liquid cooling temperature measurement device for measurement of outlet temperature field of combustion chamber |
| CN105698954A (en) * | 2015-12-11 | 2016-06-22 | 中国航空工业集团公司北京长城计量测试技术研究所 | No-cooling type high-temperature sensor with refractory metal alloy housing |
| CN106918734A (en) * | 2017-05-11 | 2017-07-04 | 中国工程物理研究院应用电子学研究所 | A kind of B dot probes for vacuum diode current measurement |
| CN108592997A (en) * | 2018-04-24 | 2018-09-28 | 中国核动力研究设计院 | A kind of horizontal pipe steam condensation heat transfer thermal parametre measuring device |
| CN109339983A (en) * | 2018-11-22 | 2019-02-15 | 内蒙航天动力机械测试所 | The verifying device of the virtual high mould experimental enviroment model of solid propellant rocket |
| CN110648772A (en) * | 2019-09-20 | 2020-01-03 | 西安交通大学 | Temperature measuring device and method for inner tube outer wall of supercritical water-cooled reactor coolant channel |
Non-Patent Citations (1)
| Title |
|---|
| 王广飚: "某型号液体火箭发动机高空模拟试验技术", 《中国优秀硕士学位论文全文数据库 工程科技Ⅱ辑》 * |
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Application publication date: 20210618 |