CN112461883B - Pneumatic heat test track simulation system and method - Google Patents
Pneumatic heat test track simulation system and method Download PDFInfo
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- CN112461883B CN112461883B CN202011336512.7A CN202011336512A CN112461883B CN 112461883 B CN112461883 B CN 112461883B CN 202011336512 A CN202011336512 A CN 202011336512A CN 112461883 B CN112461883 B CN 112461883B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N25/00—Investigating or analyzing materials by the use of thermal means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64F—GROUND OR AIRCRAFT-CARRIER-DECK INSTALLATIONS SPECIALLY ADAPTED FOR USE IN CONNECTION WITH AIRCRAFT; DESIGNING, MANUFACTURING, ASSEMBLING, CLEANING, MAINTAINING OR REPAIRING AIRCRAFT, NOT OTHERWISE PROVIDED FOR; HANDLING, TRANSPORTING, TESTING OR INSPECTING AIRCRAFT COMPONENTS, NOT OTHERWISE PROVIDED FOR
- B64F5/00—Designing, manufacturing, assembling, cleaning, maintaining or repairing aircraft, not otherwise provided for; Handling, transporting, testing or inspecting aircraft components, not otherwise provided for
- B64F5/60—Testing or inspecting aircraft components or systems
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/10—Geometric CAD
- G06F30/15—Vehicle, aircraft or watercraft design
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2119/00—Details relating to the type or aim of the analysis or the optimisation
- G06F2119/08—Thermal analysis or thermal optimisation
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
Abstract
The invention provides a pneumatic thermal test track simulation system and a pneumatic thermal test track simulation method. Comprising the following steps: the system comprises a data server, an analysis server, a monitoring system, an adjusting device, a storage server, a controller and a calibration server, wherein the controller is used for judging whether the thermal response parameters monitored by the monitoring system reach standards or not, and if yes, the storage server is used for keeping and recording the operation parameters of the heater and the test attack angle of the model; if not, the regulating device regulates the operation parameters of the heater, and the storage server keeps and records the thermal response parameters after reaching standards and the test attack angles of the model; whether the step time reaches the standard can be judged, if yes, whether the track is completed is judged, and if yes, the calibration server calibrates the thermal environment parameters when the thermal response parameters of the steps are reached; updating the database. The pneumatic thermal test track simulation system and method solve the problem that the traditional track simulation method in the prior art cannot simulate required thermal response parameters rapidly and accurately.
Description
Technical Field
The invention relates to the technical field of aircraft heat prevention, in particular to a aerodynamic heat test track simulation method.
Background
According to the aerodynamic heat test, the local heat environment of the hypersonic aircraft is simulated in the test cabin by utilizing the heater and the spray pipe to heat and accelerate air flow, so that the heat-proof material and the heat-proof performance of the structure of the hypersonic aircraft under aerodynamic conditions are researched.
The traditional aerodynamic heat test track simulation method takes fixed heat environment parameters of a flow field as input conditions, a ladder type track is formed by combining a plurality of single steps, the heat environment parameters of the single steps are debugged before the test to obtain the operation parameters of the heater, the operation parameters of the heater are fixed in the test to carry out a multi-step track simulation test, dynamic heat response parameters are measured, and the operation parameters of the heater can only be finely adjusted or even not adjusted in the test process.
When the test uses the fixed thermal response parameter as the direct examination requirement, the thermal environment parameter of the flow field is often required to be estimated, debugged and examined for multiple times, so that the step parameter in the traditional track simulation can be barely determined, and a large number of test pieces are consumed in time and labor. The traditional rail simulation method cannot simulate the required thermal response parameters rapidly and accurately, and the final assessment result is poor.
Disclosure of Invention
The invention aims to provide a pneumatic heat test track simulation system and a pneumatic heat test track simulation method, which can solve the problem that the traditional track simulation method in the prior art cannot quickly and accurately simulate required thermal response parameters.
In order to achieve the above object, the present invention provides the following technical solutions:
a pneumatic thermal test track simulation system, comprising: the test cabin comprises a cavity and a mounting port communicated with the cavity; the mold is arranged in the cavity, the heater is arranged outside the cavity, the spray pipe is respectively connected with the heater and the mounting port, the heater is used for heating air flow, the spray pipe is arranged corresponding to the mold, and the air flow is blown to the mold through the spray pipe; comprising the following steps:
the data server is used for receiving the historical test data and establishing a database according to the historical test data;
the analysis server is connected with the data server and is used for estimating the operation parameters of the heater when the thermal response parameters of each step are reached according to the historical test data in the database;
the monitoring system is connected with the data server and is used for monitoring thermal response parameters of a model in a model test and outputting the thermal response parameters;
an adjustment device connected to the monitoring system for adjusting the heater operating parameter;
the storage server is connected with the adjusting device and is used for recording the standard thermal response parameters and the test attack angles of the model after the standard thermal response parameters are up to standard;
a controller connected to the storage server, the regulating device and the monitoring system; the controller is used for judging whether the thermal response parameters monitored by the monitoring system reach the standard or not, if so, the operation parameters of the heater and the test attack angle of the model are maintained and recorded through the storage server; if not, controlling the regulating device to regulate the operation parameters of the heater until the thermal response parameters reach the standard, and controlling the storage server to keep and record the thermal response parameters reach the standard and the test attack angles of the model after the thermal response parameters reach the standard; judging whether the step time reaches the standard, if so, judging whether the track is completed by the controller;
the calibration server is connected with the controller, the storage server and the data server; under the condition that the controller judges that the track is completed, the calibration server calibrates the thermal environment parameters when the thermal response parameters of each step are reached through the flow field debugging model and the heater operation parameters stored by the storage server;
the data server is further used for receiving the thermal environment parameters calibrated by the calibration server, the heater operation parameters stored by the storage server and the thermal response parameters output by the monitoring system and updating the received parameter data to a database.
Based on the technical scheme, the invention can also be improved as follows:
further, the monitoring system comprises an infrared pyrometer, a thermal infrared imager, a fiber grating strain gauge, a spectrometer and a multichannel data acquisition device; the infrared pyrometer and the thermal infrared imager are arranged outside the test cabin, the fiber bragg grating strain gauge is arranged on the inner surface of the model, the spectrometer is arranged outside the test cabin, and the multichannel data acquisition device is arranged outside the test cabin.
Further, the database comprises a heater operation parameter group, a flow field thermal environment parameter group and a thermal response parameter group;
the data server is specifically configured to:
constructing a heater operation parameter group according to heater type, spray pipe data, current parameters, voltage parameters, air inlet pressure parameters, model appearance, model size, model materials and model test attack angle data in a historical test;
constructing a thermal environment parameter group of the flow field according to Mach number, reynolds number, total pressure, total enthalpy of air flow and cold wall heat flow density data of the flow field operated in a historical test;
and constructing a thermal response parameter group according to data such as surface temperature, thermal deformation, wall pressure, spectral characteristics and the like of the model in the historical test.
Further, the regulating device comprises a three-stage regulating system, a variable-voltage control system and a stepping motor;
the three-stage regulating system is used for regulating the air inlet pressure of the heater; the variable-voltage control system is used for adjusting the current parameters of the heater; the stepper motor is used for adjusting the test attack angle of the model.
Further, the three-stage adjusting system and the variable-voltage control system are used for synchronously adjusting the air inlet pressure parameter and the current parameter of the heater in the adjusting process, so that the condition that the air inlet pressure parameter and the current parameter are not matched is avoided.
Further, the model is particularly adapted to have its experimental angle of attack adjusted in synchronization with the intake pressure parameter and the current parameter at any moment in time during the adjustment.
A aerodynamic heat test track simulation method specifically comprises the following steps:
step S101, a database is established through a data server according to historical test data;
step S102, estimating the operation parameters of the heater when the thermal response parameters of each step are reached according to the database by an analysis server;
step S103, monitoring thermal response parameters of the model in a model test through a monitoring system;
step S104, judging whether the thermal response parameters reach the standards or not through a controller, if so, maintaining and recording the operation parameters of the heater and the test attack angles of the model through a storage server; if not, adjusting the operation parameters of the heater through an adjusting device until the thermal response parameters reach the standard, and keeping and recording the thermal response parameters reach the standard and the test attack angles of the model through the storage server;
step S105, judging whether the step time reaches the standard or not through the controller, if yes, judging whether the track is completed through the controller, and if yes, calibrating the thermal environment parameters when the thermal response parameters of each step are reached through the flow field debugging model and the heater operation parameters stored by the storage server by the calibration server;
and step S106, the thermal environment parameters calibrated by the calibration server, the heater operation parameters stored by the storage server and the thermal response parameters output by the monitoring system are received through the data server, and the received parameter data are updated to a database.
The invention has the following advantages:
according to the aerodynamic heat test track simulation system and method, a database is established to provide guidance for initial operation parameters of a heater; the operation parameters of the heater are adjusted in real time in the test process, so that the test can be matched with the thermal response parameters rapidly; after model checking, flow field parameters are directly calibrated, the starting times of the heater are greatly reduced, and the manual consumption is reduced; and various parameters obtained in the test are supplemented into a database, so that richer support is provided for the estimation of the next test. The method solves the problem that the traditional track simulation method in the prior art cannot simulate the required thermal response parameters rapidly and accurately.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is a flow chart of a method of a pneumatic thermal test rail simulation system according to an embodiment of the present invention;
FIG. 2 is a control schematic diagram of a pneumatic thermal test rail simulation system controller according to an embodiment of the present invention;
FIG. 3 is a flow chart of a method of a pneumatic thermal test rail simulation system according to an embodiment of the present invention.
Reference numerals illustrate:
data server 10, analysis server 20, monitoring system 30, regulating device 40, storage server 50, controller 60, calibration server 70, model 80;
Detailed Description
The technical solutions of the present invention will be clearly and completely described in connection with the embodiments, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1-3, a pneumatic thermal test track simulation system, comprising: the test chamber comprises a test chamber body, a model 80, a heater and a spray pipe, wherein the test chamber body is provided with a cavity and a mounting port communicated with the cavity; the mold 80 is arranged in the cavity, the heater is arranged outside the cavity, the spray pipes are respectively connected with the heater and the mounting port, the heater is used for heating air flow, the spray pipes are arranged corresponding to the mold 80, and the air flow is blown to the mold 80 through the spray pipes; comprising the following steps:
a data server 10 capable of receiving historical test data and building a database from the test data; using a large amount of test data, a database is built between preliminary heater operation and thermal response of the model 80; giving initial operation parameters of the heater through a database;
an analysis server 20 connected to the data server 10, capable of estimating a heater operation parameter when each step thermal response parameter is reached, based on the database; the database is used to roughly estimate the heater operating parameters at which each step thermal response parameter is reached.
A monitoring system 30 connected to the data server 10 for monitoring thermal response parameters of the model 80 in the model test and outputting the thermal response parameters; developing an ablation test of the model 80, and monitoring thermal response parameters of the model 80 in real time;
an adjustment device 40 connected to the monitoring system 30; the adjusting device 40 enables the running parameters of the heater to be adjusted in real time in the model test process so that the test can be matched with the thermal response parameters; the operation parameters of the heater are adjusted in real time by using the real-time monitored thermal response parameters as feedback signals so as to achieve the required thermal response parameters;
a storage server 50 connected to the adjusting device 40;
a controller 60 connected to the storage server 50, the regulating device 40 and the monitoring system 30; the controller 60 is configured to determine whether the thermal response parameter monitored by the monitoring system 30 meets the standard, and if yes, maintain and record the heater operation parameter and the test attack angle of the model through the storage server 50; if not, the adjusting device 40 adjusts the heater operation parameters until the thermal response parameters reach the standard, and the storage server 50 keeps and records the thermal response parameters after reaching the standard and the test attack angle of the model; maintaining and recording the current heater operating parameters and the angle of attack of the model 80 until the current test step is over; continuing the ablation examination of the next step by using the heater operation parameters estimated by the analysis server 20, and repeating the subsequent process until the whole test track is finished;
a calibration server 70 connected to the controller 60, the storage server 50, and the data server 10; the controller 60 can determine whether the step time reaches the standard, if yes, the controller 60 determines whether the track is completed, and if yes, the calibration server 70 calibrates the thermal environment parameters when reaching the thermal response parameters of each step through the flow field debugging model 80 and the heater operation parameters stored by the storage server 50; calibrating thermal environment parameters when the thermal response parameters of each step are reached by utilizing the flow field debugging model 80 and the heater operation parameters recorded by the storage server 50;
the data server 10 receives the thermal environment parameters calibrated by the calibration server 70, the heater operating parameters stored by the storage server 50, and the thermal response parameters output by the monitoring system 30 and updates the received parameter data to a database. The parameters obtained by the calibration of the calibration server 70 are supplemented to the database of the data server 10.
As shown in fig. 2, the aerodynamic heat test track simulation system of the invention establishes a database to provide guidance for the initial operation parameters of the heater; the operation parameters of the heater are adjusted in real time in the test process, so that the test can be matched with the thermal response parameters rapidly; after the model 80 is checked, flow field parameters are directly calibrated, the starting times of the heater are greatly reduced, and the manual consumption is reduced; and various parameters obtained in the test are supplemented into a database, so that richer support is provided for the estimation of the next test. The method solves the problem that the traditional track simulation method in the prior art cannot simulate the required thermal response parameters rapidly and accurately.
Constructing a database of the operation parameters of the heater, the thermal environment parameters of the flow field and the thermal response parameters;
the database comprises a heater operation parameter group, a flow field thermal environment parameter group and a thermal response parameter group;
the data server 10 constructs a heater operation parameter group according to heater type, spray pipe data, current parameters, voltage parameters, air inlet pressure parameters, model appearance, model size, model materials and model test attack angle data in a historical test;
the data server 10 constructs a thermal environment parameter group of the flow field according to Mach number, reynolds number, total pressure, total enthalpy of air flow and cold wall heat flow density data of the flow field operated in a historical test;
the data server 10 constructs a thermal response parameter family based on data such as surface temperature, thermal deformation, wall pressure, spectral characteristics, etc. of the model 80 in the history test.
And (3) supplementing and updating the operation parameters of the heater, the flow field thermal environment parameters obtained by calibration and the thermal response parameters obtained by monitoring recorded in the current test into a database.
The monitoring system 30 comprises an infrared pyrometer, an infrared thermal imager, a fiber grating strain gauge, a spectrometer and a multichannel data acquisition device; the infrared pyrometer and the thermal infrared imager are arranged outside the test cabin, the fiber bragg grating strain gauge is arranged on the inner surface of the model 80, the spectrometer is arranged outside the test cabin, and the multichannel data acquisition device is arranged outside the test cabin. The multi-channel data acquisition device is a multi-channel 100Hz data acquisition device;
the operation parameters of the heater are quickly adjusted in the test process, and the adjusting device 40 comprises a three-stage adjusting system, a variable-pressure control system and a stepping motor;
the three-stage regulating system is used for regulating the air inlet pressure parameter of the heater; the variable-voltage control system is used for adjusting the current parameters of the heater; the stepper motor is used for adjusting the test attack angle of the model.
And the three-stage regulating system and the variable-pressure control system synchronously regulate the air inlet pressure parameter and the current parameter of the heater in the regulating process, and are used for avoiding the condition that the air inlet pressure parameter and the current parameter are not matched. The heater is prevented from stopping working due to mismatching of the pressure parameter and the current parameter.
The experimental attack angle of the model can be synchronously regulated with the air inlet pressure parameter and the current parameter at any time in the regulating process. The experimental attack angle of the model is used as the supplement of the air inlet pressure parameter and the current parameter, and can be synchronously carried out at any time in the adjusting process.
As shown in fig. 1 or fig. 3, a method for simulating a aerodynamic thermal test track specifically includes:
step S101, a database is established;
in this step, a database is established by the data server 10 according to the historical test data;
step S102, estimating the operation parameters of the heater when the thermal response parameters of each step are reached;
in this step, the operation parameters of the heater when the thermal response parameters of each step are reached are estimated by the analysis server 20 according to the database;
step S103, monitoring thermal response parameters of the model through a monitoring system;
in this step, the thermal response parameters of the model 80 in the model test are monitored by the monitoring system 30;
step S104, the controller judges whether the thermal response parameters reach the standards, and the operation parameters of the heater and the test attack angles of the model are maintained and recorded through the storage server 50;
in this step, whether the thermal response parameter meets the standard is judged by the controller 60, if yes, the operation parameter of the heater and the test attack angle of the model are maintained and recorded by the storage server 50; if not, adjusting the operation parameters of the heater by the adjusting device 40 until the thermal response parameters reach the standard, and keeping and recording the standard thermal response parameters and the test attack angles of the model by the storage server 50;
step S105, the calibration server calibrates the thermal environment parameters when the thermal response parameters of each step are reached;
in this step, whether the step time reaches the standard can be judged by the controller 60, if yes, whether the track is completed is judged by the controller 60, and if yes, the calibration server 70 calibrates the thermal environment parameters when the thermal response parameters of each step are reached through the flow field debugging model 80 and the heater operation parameters stored by the storage server 50;
step S106, updating a database;
in this step, the thermal environment parameters calibrated by the calibration server 70, the heater operation parameters stored by the storage server 50, and the thermal response parameters outputted by the monitoring system 30 are received by the data server 10 and the received parameter data is updated to a database.
The aerodynamic heat test track simulation system and method have the following use processes:
before the test, the data server 10 establishes a database through historical test data, the analysis server 20 predicts the heater operation parameters reaching the thermal response parameters of each step through the database, the thermal response parameters of the model 80 in the model test are monitored through the monitoring system 30, the controller 60 judges whether the thermal response parameters reach standards, and the heater operation parameters and the test attack angle of the model 80 are maintained and recorded through the storage server 50; the calibration server 70 calibrates the thermal environment parameters when the thermal response parameters of each step are reached; updating the database.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more of the stated features. In the description of the present invention, the meaning of "a plurality" is two or more, unless explicitly defined otherwise. Furthermore, the terms "mounted," "connected," "coupled," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the invention.
Claims (7)
1. A pneumatic thermal test track simulation system, comprising: the test cabin comprises a cavity and a mounting port communicated with the cavity; the mold is arranged in the cavity, the heater is arranged outside the cavity, the spray pipe is respectively connected with the heater and the mounting port, the heater is used for heating air flow, the spray pipe is arranged corresponding to the mold, and the air flow is blown to the mold through the spray pipe; characterized by comprising the following steps:
the data server is used for receiving the historical test data and establishing a database according to the historical test data;
the analysis server is connected with the data server and is used for estimating the operation parameters of the heater when the thermal response parameters of each step are reached according to the historical test data in the database;
the monitoring system is connected with the data server and is used for monitoring thermal response parameters of a model in a model test and outputting the thermal response parameters;
an adjustment device connected to the monitoring system for adjusting the heater operating parameter;
the storage server is connected with the adjusting device and is used for recording the standard thermal response parameters and the test attack angles of the model after the standard thermal response parameters are up to standard;
a controller connected to the storage server, the regulating device and the monitoring system; the controller is used for judging whether the thermal response parameters monitored by the monitoring system reach the standard or not, if so, the operation parameters of the heater and the test attack angle of the model are maintained and recorded through the storage server; if not, controlling the regulating device to regulate the operation parameters of the heater until the thermal response parameters reach the standard, and controlling the storage server to keep and record the thermal response parameters reach the standard and the test attack angles of the model after the thermal response parameters reach the standard; judging whether the step time reaches the standard, if so, judging whether the track is completed by the controller;
the calibration server is connected with the controller, the storage server and the data server; under the condition that the controller judges that the track is completed, the calibration server calibrates the thermal environment parameters when the thermal response parameters of each step are reached through the flow field debugging model and the heater operation parameters stored by the storage server;
the data server is used for receiving the thermal environment parameters calibrated by the calibration server, the heater operation parameters stored by the storage server and the thermal response parameters output by the monitoring system and updating the received parameter data to the database.
2. The aerodynamic heat test orbit simulation system of claim 1, wherein the monitoring system comprises an infrared pyrometer, a thermal infrared imager, a fiber grating strain gauge, a spectrometer, a multi-channel data acquisition device; the infrared pyrometer and the thermal infrared imager are arranged outside the test cabin, the fiber bragg grating strain gauge is arranged on the inner surface of the model, the spectrometer is arranged outside the test cabin, and the multichannel data acquisition device is arranged outside the test cabin.
3. The aerodynamic thermal test rail simulation system of claim 1, wherein the database includes a family of heater operating parameters, a family of flow field thermal environment parameters, and a family of thermal response parameters;
the data server is specifically configured to:
constructing a heater operation parameter group according to heater type, spray pipe data, current parameters, voltage parameters, air inlet pressure parameters, model appearance, model size, model materials and model test attack angle data in a historical test;
constructing a thermal environment parameter group of the flow field according to Mach number, reynolds number, total pressure, total enthalpy of air flow and cold wall heat flow density data of the flow field operated in a historical test;
and constructing a thermal response parameter group according to the surface temperature, thermal deformation, wall pressure and spectral characteristic data of the model in the historical test.
4. A aerodynamic heat test rail simulation system according to claim 3, characterized in that the regulating means comprises a three-stage regulating system, a variable-voltage control system and a stepper motor;
the three-stage regulating system is used for regulating the air inlet pressure of the heater; the variable-voltage control system is used for adjusting the current parameters of the heater; the stepper motor is used for adjusting the test attack angle of the model.
5. The pneumatic heat test rail simulation system of claim 4, wherein the three-stage regulation system and the variable-pressure control system are used for synchronously regulating the air inlet pressure parameter and the current parameter of the heater in the regulation process, so as to avoid the condition that the air inlet pressure parameter and the current parameter are not matched.
6. A aerodynamic heat test orbit simulation system according to claim 5, characterized in that the model is specifically adapted to have its test attack angle adjusted during adjustment in synchronization with the intake pressure parameter and the current parameter at any instant.
7. The aerodynamic heat test track simulation method is characterized by comprising the following steps of:
step S101, a database is established through a data server according to historical test data;
step S102, estimating the operation parameters of the heater when the thermal response parameters of each step are reached according to the database by an analysis server;
step S103, monitoring thermal response parameters of the model in a model test through a monitoring system;
step S104, judging whether the thermal response parameters reach the standards or not through a controller, if so, maintaining and recording the operation parameters of the heater and the test attack angles of the model through a storage server; if not, adjusting the operation parameters of the heater through an adjusting device until the thermal response parameters reach the standard, and keeping and recording the thermal response parameters reach the standard and the test attack angles of the model through the storage server;
step S105, judging whether the step time reaches the standard or not through the controller, if yes, judging whether the track is completed through the controller, and if yes, calibrating the thermal environment parameters when the thermal response parameters of each step are reached through the flow field debugging model and the heater operation parameters stored by the storage server by the calibration server;
and step S106, the thermal environment parameters calibrated by the calibration server, the heater operation parameters stored by the storage server and the thermal response parameters output by the monitoring system are received through the data server, and the received parameter data are updated to a database.
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Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102229361A (en) * | 2011-04-06 | 2011-11-02 | 北京航空航天大学 | Tester for aerodynamic heating structure |
| CN102841111A (en) * | 2012-08-14 | 2012-12-26 | 哈尔滨工业大学 | Pneumatic thermal loading simulation test device for thermal shielding materials |
| CN105173128A (en) * | 2015-09-07 | 2015-12-23 | 中国航天空气动力技术研究院 | Test method for simulating thermal environment in aircraft flight process |
| CN105548250A (en) * | 2016-01-13 | 2016-05-04 | 北京机电工程研究所 | Heat flow control method, device and system for aerothermodynamic experiment of aircraft |
| CN105676770A (en) * | 2016-01-19 | 2016-06-15 | 西北工业大学 | Multichannel data collection method for pneumatic heating simulated test system |
| CN106202804A (en) * | 2016-07-22 | 2016-12-07 | 北京临近空间飞行器系统工程研究所 | Complex appearance aircraft distributed heat ambient parameter Forecasting Methodology based on data base |
| CN110207852A (en) * | 2019-05-24 | 2019-09-06 | 中国航天空气动力技术研究院 | A kind of electro-arc heater air-flow enthalpy Fast measurement system and method |
| CN110567742A (en) * | 2019-09-10 | 2019-12-13 | 中国科学院理化技术研究所 | Device for simulating pneumatic heating environment |
| CN210071144U (en) * | 2019-05-27 | 2020-02-14 | 中国航天空气动力技术研究院 | Electric arc wind tunnel heat-infrared transmission combined test device |
| CN110849652A (en) * | 2019-12-06 | 2020-02-28 | 中国交通建设股份有限公司 | Intelligent control method and system for physical model test process |
| CN210487644U (en) * | 2019-05-27 | 2020-05-08 | 中国航天空气动力技术研究院 | Electric arc wind tunnel ablation wave-transparent combined test device |
| CN111792061A (en) * | 2020-06-30 | 2020-10-20 | 中国航天空气动力技术研究院 | Pneumatic thermal test device and method utilizing shock wave boundary layer interference |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2641657A1 (en) * | 2006-02-14 | 2007-08-23 | Edsa Micro Corporation | Systems and methods for real-time system monitoring and predictive analysis |
-
2020
- 2020-11-25 CN CN202011336512.7A patent/CN112461883B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102229361A (en) * | 2011-04-06 | 2011-11-02 | 北京航空航天大学 | Tester for aerodynamic heating structure |
| CN102841111A (en) * | 2012-08-14 | 2012-12-26 | 哈尔滨工业大学 | Pneumatic thermal loading simulation test device for thermal shielding materials |
| CN105173128A (en) * | 2015-09-07 | 2015-12-23 | 中国航天空气动力技术研究院 | Test method for simulating thermal environment in aircraft flight process |
| CN105548250A (en) * | 2016-01-13 | 2016-05-04 | 北京机电工程研究所 | Heat flow control method, device and system for aerothermodynamic experiment of aircraft |
| CN105676770A (en) * | 2016-01-19 | 2016-06-15 | 西北工业大学 | Multichannel data collection method for pneumatic heating simulated test system |
| CN106202804A (en) * | 2016-07-22 | 2016-12-07 | 北京临近空间飞行器系统工程研究所 | Complex appearance aircraft distributed heat ambient parameter Forecasting Methodology based on data base |
| CN110207852A (en) * | 2019-05-24 | 2019-09-06 | 中国航天空气动力技术研究院 | A kind of electro-arc heater air-flow enthalpy Fast measurement system and method |
| CN210071144U (en) * | 2019-05-27 | 2020-02-14 | 中国航天空气动力技术研究院 | Electric arc wind tunnel heat-infrared transmission combined test device |
| CN210487644U (en) * | 2019-05-27 | 2020-05-08 | 中国航天空气动力技术研究院 | Electric arc wind tunnel ablation wave-transparent combined test device |
| CN110567742A (en) * | 2019-09-10 | 2019-12-13 | 中国科学院理化技术研究所 | Device for simulating pneumatic heating environment |
| CN110849652A (en) * | 2019-12-06 | 2020-02-28 | 中国交通建设股份有限公司 | Intelligent control method and system for physical model test process |
| CN111792061A (en) * | 2020-06-30 | 2020-10-20 | 中国航天空气动力技术研究院 | Pneumatic thermal test device and method utilizing shock wave boundary layer interference |
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