KR101750785B1 - Simulated environment providing system for accuracy test of the air data boom - Google Patents

Simulated environment providing system for accuracy test of the air data boom Download PDF

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Publication number
KR101750785B1
KR101750785B1 KR1020150184660A KR20150184660A KR101750785B1 KR 101750785 B1 KR101750785 B1 KR 101750785B1 KR 1020150184660 A KR1020150184660 A KR 1020150184660A KR 20150184660 A KR20150184660 A KR 20150184660A KR 101750785 B1 KR101750785 B1 KR 101750785B1
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KR
South Korea
Prior art keywords
air data
boom
air
chamber
hollow portion
Prior art date
Application number
KR1020150184660A
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Korean (ko)
Inventor
박규태
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한국항공우주산업 주식회사
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Priority to KR1020150184660A priority Critical patent/KR101750785B1/en
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Publication of KR101750785B1 publication Critical patent/KR101750785B1/en

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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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C5/00—Measuring height; Measuring distances transverse to line of sight; Levelling between separated points; Surveyors' levels
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C5/00—Measuring height; Measuring distances transverse to line of sight; Levelling between separated points; Surveyors' levels
    • G01C5/06—Measuring height; Measuring distances transverse to line of sight; Levelling between separated points; Surveyors' levels by using barometric means
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D21/00—Measuring or testing not otherwise provided for
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D21/00—Measuring or testing not otherwise provided for
    • G01D21/02—Measuring two or more variables by means not covered by a single other subclass
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K13/00—Thermometers specially adapted for specific purposes
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L19/00—Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M9/00—Aerodynamic testing; Arrangements in or on wind tunnels
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P5/00—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01W—METEOROLOGY
    • G01W1/00—Meteorology
    • G01W1/11—Weather houses or other ornaments for indicating humidity
    • B64D2700/62184—

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Fluid Mechanics (AREA)
  • Atmospheric Sciences (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Ecology (AREA)
  • Environmental Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Transportation (AREA)
  • Aerodynamic Tests, Hydrodynamic Tests, Wind Tunnels, And Water Tanks (AREA)

Abstract

The present invention includes a chamber 100 in which a temperature sensor 710 and a humidity sensor 720 are installed; A cylinder 200 installed inside the chamber 100 and having a hollow portion 210 formed therein in the longitudinal direction and having a flow rate sensor 730 installed in the hollow portion 210; An air data boom 300 installed in the hollow part 210 to obtain air data; A blower 400 for blowing air in the longitudinal direction to the hollow portion 210 to provide a dynamic environment in which the air flow is promoted to the air data boom 300 installed in the hollow portion 210; A data storage unit (500) installed outside the chamber (100) and storing air data transferred from the air data boom (300); And a microcomputer 600 installed outside the chamber 100 and reading the air data transferred from the data storage unit 500 to read the accuracy of the air data measured by the air data boom 300 To the simulated environment providing system (1000) for the accuracy test of the air data boom.

Description

Technical Field [0001] The present invention relates to an air data boom,

The present invention relates to a simulation environment providing system for an accuracy test of an air data boom for testing and correcting the accuracy of an air data boom for measuring air data required during flight of an aircraft.

In general, all aircraft require the acquisition of air data, including dynamic pressures, static pressures, altitudes, speeds, angles of attack, and temperatures, in order to obtain the information necessary for flight.

Conventionally, air data was acquired from a nose boom installed at the front of a nose of an aircraft. However, since the importance of radar performance and detectability is increasing, an air data boom To obtain air data.

Accordingly, it is very important to verify the accuracy of the air data measured by the air data boom.

1 is a schematic view showing a simulation environment providing system for an accuracy test of a conventional air data boom.

As shown in FIG. 1, a simulation environment providing system for an accuracy test of a conventional air data boom includes a chamber 10 in which a temperature sensor 1 and a humidity sensor 2 are installed; A cylinder 20 installed in the chamber 10 and equipped with a flow rate sensor 3 therein; An air data boom 30 installed inside the cylinder 20 to obtain air data including dynamic pressure, static pressure, altitude, speed, angle of attack, and temperature; A blower (40) for blowing air into the cylinder (20); A cover 50 installed between the cylinder 20 and the blower 40 to convert the air blown from the blower 40 into an eddy current and provide the air to the inside of the cylinder 20; A data storage unit (60) in which air data transferred from the air data boom (30) is stored; And a microcomputer 70 for reading the air data transferred to the data storage unit 60 and reading the accuracy of the air data measured by the air data boom 30.

In the conventional art, the air blown from the blower to the air data boom is mostly blocked by the cover, so that the microcomputer analyzes the air data measured by the air data boom in a static environment where the air flow is suppressed as much as possible, do.

However, since the prior art can not provide a dynamic environment in which the air flow is promoted in the air data boom, there is a problem that distortion occurs in the accuracy of the air data boom in the dynamic environment in which the air flow is promoted.

Therefore, it is necessary to develop various wind tunnel testing apparatuses to solve the above-mentioned problems.

Prior art documents related to this are the wind tunnel test model of Korean Patent Publication No. 2012-0068183; A wind tunnel scale installed in the wind tunnel test model to measure force and moment generated in the wind tunnel test model in the wind tunnel test; A wind tunnel balance engaging member formed with a coupling hole through which one end of the wind tunnel is inserted in a press fitting manner; A stationary support provided with the wind tunnel scale fitting member and supporting the wind tunnel scale and the wind tunnel test model; And a wind tunnel scale decomposing member inserted into the screw hole on the opposite side of the coupling hole portion where one end of the wind tunnel scale is not engaged so that one end of the wind tunnel scale is pushed out of the coupling hole when the wind tunnel scale is disassembled, A test system is disclosed.

Korea Patent No. 2012-0068183 (June 26, 2012)

It is an object of the present invention to provide a dynamic environment in which an air flow is promoted to an air data boom, and thus, in a dynamic environment in which air flow is promoted, And to provide a simulation environment providing system for testing accuracy of an air data boom capable of analyzing the measured air data and correcting the accuracy of the air data boom.

A system 100 for providing a simulation environment for testing accuracy of an air data boom according to the present invention includes a chamber 100 in which a temperature sensor 710 and a humidity sensor 720 are installed; A cylinder 200 installed inside the chamber 100 and having a hollow portion 210 formed therein in the longitudinal direction and having a flow rate sensor 730 installed in the hollow portion 210; An air data boom 300 installed in the hollow part 210 to obtain air data; A blower 400 for blowing air in the longitudinal direction to the hollow portion 210 to provide a dynamic environment in which the air flow is promoted to the air data boom 300 installed in the hollow portion 210; A data storage unit (500) installed outside the chamber (100) and storing air data transferred from the air data boom (300); And a microcomputer 600 installed outside the chamber 100 and reading the air data transferred from the data storage unit 500 to read the accuracy of the air data measured by the air data boom 300 .

In addition, the cylinder 200 is formed in a cylindrical shape.

The simulated environment providing system 1000 for the accuracy test of the air data boom may further include a cradle installed on the hollow portion 210 and on which the air data boom 300 is mounted.

The simulation environment providing system 1000 for the accuracy test of the air data boom is characterized in that the air blow width in the height direction of the blower 400 and the height direction width of the hollow portion 210 are equal to each other .

Accordingly, the simulated environment providing system for the accuracy test of the air data boom according to the present invention provides a dynamic environment in which the air flow is promoted to the air data boom, so that in the dynamic environment in which the air flow is promoted, The measured air data is analyzed and the accuracy of the air data boom can be calibrated.

1 is a schematic view showing a simulation environment providing system for an accuracy test of a conventional air data boom
2 is a schematic view showing a simulation environment providing system for an accuracy test of an air data boom according to the present invention;

Hereinafter, the technical idea of the present invention will be described more specifically with reference to the accompanying drawings.

BRIEF DESCRIPTION OF THE DRAWINGS The accompanying drawings, which are included to provide a further understanding of the technical concept of the present invention, are incorporated in and constitute a part of the specification, and are not intended to limit the scope of the present invention.

2 is a schematic view showing a simulation environment providing system for an accuracy test of an air data boom according to the present invention.

2, a simulation environment providing system 1000 for an accuracy test of an air data boom according to the present invention includes a chamber 100, a cylinder 200, an air data boom 300, a blower 400, A data storage unit 500, and a microcomputer 600.

The chamber 100 is a basic body, and a temperature sensor 710 and a humidity sensor 720 are fixed inside. At this time, the temperature sensor 710 measures the internal temperature of the chamber 100, and the humidity sensor 720 measures the internal humidity of the chamber 100.

The cylinder 200 is installed inside the chamber 100 and the hollow portion 210 is formed by hollowing the inside of the cylinder 200 in the longitudinal direction and a flow rate sensor 730 is installed in the hollow portion 210. At this time, the flow rate sensor 730 measures the air flow rate of the hollow portion 210.

In addition, the cylinder 200 is formed in a cylindrical shape, and a dynamic environment is created in which the air flow is promoted by the blower 400 to the hollow portion 210.

The air data boom 300 is installed in the hollow part 210 to obtain air data including dynamic pressure, static pressure, altitude, speed, angle of attack, and temperature.

The blower 400 blows air in the longitudinal direction to the hollow portion 210 to provide a dynamic environment in which the air flow is promoted to the air data boom 300 installed in the hollow portion 210.

The data storage unit 500 is installed outside the chamber 100 and stores the air data transferred from the air data boom 300.

The microcomputer 600 is installed outside the chamber 100 and reads the air data transmitted from the data storage unit 500 to read the accuracy of the air data measured by the air data boom 300.

The microcomputer 600 reads the accuracy of the air data measured by the air data boom 300 and performs the accuracy calibration of the air data boom 300.

Accordingly, the simulated environment providing system 1000 for the accuracy test of the air data boom according to the present invention can provide a dynamic environment in which the airflow is promoted to the air data boom 300, There is an advantage that the microcomputer 600 can correct the accuracy of the air data boom 300 by analyzing the air data measured by the air data boom 300.

The system 1000 for providing the simulation environment for the accuracy test of the air data boom according to the present invention further includes a cradle (not shown) installed in the hollow part 210 and on which the air data boom 300 is mounted .

(Not shown) may be formed on the outer surface of the cradle so as to correspond to the outer circumferential surface of the air data boom 300 in order to mount the air data boom 300 thereon.

The simulation environment providing system 1000 for the accuracy test of the air data boom according to the present invention may be configured such that the air blowing width L400 in the height direction of the blower 400 and the height direction width L210 of the hollow portion 210 are And can be configured to be identical to each other.

The air blown from the blower 400 to the hollow portion 210 hits the cylinder 200 so that the air blown from the blower 400 to the vortex The air blown from the blower 400 to the hollow portion 210 can be prevented from being blown out of the blower 400 by making the air blowing width of the blower 400 and the height of the hollow portion 210 equal to each other. It is preferable to prevent it from hitting the cylinder 200 and converting it into a vortex.

In addition, the chamber 100 may contain a phase change material for maintaining the temperature between the inner surface and the outer surface.

It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

1000: a simulated environment providing system for accuracy test of an air data boom according to the present invention
100: chamber
200: Cylinder
210: hollow
300: Air data boom
400: Blower
500: Data storage unit
600: Microcomputer
710: Temperature sensor
720: Humidity sensor
730: Flow sensor

Claims (4)

A chamber 100 in which a temperature sensor 710 and a humidity sensor 720 are installed;
A cylindrical cylinder 200 installed in the chamber 100 and having a hollow portion 210 hollowed in the longitudinal direction and a flow rate sensor 730 installed in the hollow portion 210;
An air data boom 300 installed in the hollow part 210 to obtain air data;
A blower 400 for blowing air in the longitudinal direction to the hollow portion 210 to provide a dynamic environment in which the air flow is promoted to the air data boom 300 installed in the hollow portion 210;
A data storage unit (500) installed outside the chamber (100) and storing air data transferred from the air data boom (300); And
And a microcomputer 600 installed outside the chamber 100 for reading the air data transferred from the data storage unit 500 and reading the accuracy of the air data measured by the air data boom 300 ,
Wherein the blowing width (L400) in the height direction of the blower (400) and the height direction width (L210) of the hollow part (210) are equal to each other. 1000).
delete The system of claim 1, wherein the simulated environment providing system (1000) for the accuracy test of the air data boom
The air data boom (300) is mounted on the hollow part (210), and the air data boom (300) is mounted.
delete
KR1020150184660A 2015-12-23 2015-12-23 Simulated environment providing system for accuracy test of the air data boom KR101750785B1 (en)

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Application Number Priority Date Filing Date Title
KR1020150184660A KR101750785B1 (en) 2015-12-23 2015-12-23 Simulated environment providing system for accuracy test of the air data boom

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107933953A (en) * 2017-11-30 2018-04-20 三峡大学 A kind of bionic insect flight flow field survey device

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20140076041A1 (en) 2012-09-20 2014-03-20 The Boeing Company Correction of Pressure Signals Measured During Supersonic Wind Tunnel Testing

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20140076041A1 (en) 2012-09-20 2014-03-20 The Boeing Company Correction of Pressure Signals Measured During Supersonic Wind Tunnel Testing

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
경상대학교 석사학위논문(김성현)(2010.02.)*

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107933953A (en) * 2017-11-30 2018-04-20 三峡大学 A kind of bionic insect flight flow field survey device

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