CN220960634U - Annular radiator performance test device - Google Patents
Annular radiator performance test device Download PDFInfo
- Publication number
- CN220960634U CN220960634U CN202322875229.7U CN202322875229U CN220960634U CN 220960634 U CN220960634 U CN 220960634U CN 202322875229 U CN202322875229 U CN 202322875229U CN 220960634 U CN220960634 U CN 220960634U
- Authority
- CN
- China
- Prior art keywords
- mounting plate
- annular radiator
- air
- transition section
- arc
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000011056 performance test Methods 0.000 title claims abstract description 18
- 230000007704 transition Effects 0.000 claims abstract description 43
- 238000012360 testing method Methods 0.000 claims abstract description 9
- 238000009792 diffusion process Methods 0.000 claims abstract description 6
- 230000000694 effects Effects 0.000 claims abstract description 6
- 230000003014 reinforcing effect Effects 0.000 claims description 8
- 238000003466 welding Methods 0.000 claims description 5
- 230000004323 axial length Effects 0.000 claims description 2
- 238000011160 research Methods 0.000 abstract description 5
- 238000009529 body temperature measurement Methods 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 description 4
- 238000005336 cracking Methods 0.000 description 4
- 238000009826 distribution Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
Landscapes
- Measuring Fluid Pressure (AREA)
Abstract
The utility model belongs to the technical field of radiator performance test, and particularly discloses an annular radiator performance test device which comprises a mounting plate, a transition section with diffusion effect on air, a pressure measuring nozzle for measuring air pressure, a temperature measuring seat for measuring air temperature, a straight pipe section connected with an air inlet source and a guide plate, wherein the straight pipe section is connected with the air inlet source; the mounting plate is provided with an annular radiator which is fixedly connected with one section of the transition section, the inside of the mounting plate is provided with an air flow passage, and the external structure of the mounting plate is arc-shaped; the sensor of pressure measuring mouth and temperature measurement seat stretches into the inside air runner of mounting panel through the mounting hole on the mounting panel, arranges along the arc of mounting panel, and the guide plate sets up in the inside runner of changeover portion. The test device provided by the utility model can more conveniently complete the performance test of the annular radiator under the condition of limited air flow, and promote the performance research of the annular radiator.
Description
Technical Field
The utility model belongs to an aircraft engine lubricating oil system, and particularly relates to a performance test device of a radiator with a circular arc structure.
Background
The annular radiator is arranged on an outer duct of the engine, and exchanges heat with fins passing through the outside of the core body through medium in the core body. Because the external diameter size of the annular radiator is larger, the air flow under the conventional condition can not meet the test working condition required by the annular radiator, and the technical research of the annular radiator is seriously influenced. Meanwhile, based on the requirement on air flow, the requirements on resources such as manpower, material resources and the like in the traditional performance test are large, and the economic cost of the test is high.
In order to overcome the defects in the technical background, the utility model provides the performance test device for the annular radiator, which can more conveniently complete the performance test of the annular radiator. Meanwhile, more performance point tests can be guaranteed to be completed under the condition of limited air flow, and the method has an important effect on the performance research of the annular radiator.
Disclosure of utility model
The purpose of the utility model is that: the performance test device for the annular radiator can more conveniently complete performance test of the annular radiator under the condition of limited air flow and promote performance research of the annular radiator.
In order to solve the technical problem, the technical scheme of the utility model is as follows: a performance test device of an annular radiator comprises a mounting plate, a transition section with diffusion effect on air, a pressure measuring nozzle for measuring air pressure, a temperature measuring seat for measuring air temperature, a straight pipe section connected with an air inlet source and a guide plate;
The mounting plate is provided with an annular radiator which is fixedly connected with one section of the transition section, an air flow passage is arranged in the mounting plate, and the external structure of the mounting plate is arc-shaped; the sensors of the pressure measuring nozzle and the temperature measuring seat extend into the air flow channel inside the mounting plate through the mounting holes on the mounting plate and are arranged along the arc direction of the mounting plate,
The deflector is disposed within the interior flow passage of the transition section.
Further: the appearance structure of the mounting plate is arc-shaped, the axial length L 1 is determined according to the arc length L of the annular radiator to be tested, and generally L=3L 1;
The outer arc center position is provided with a bracket for installing the annular radiator, and the upper arc surface of the bracket is provided with an open slot which is beneficial for the fins of the annular radiator to extend into the air flow channel of the installation plate; the air inlet ends are beneficial to the more uniform passage of air through the fins of the annular radiator after passing through the transition section, and the air outlet ends are beneficial to the stability of the pressure of the air after passing through the fins of the annular radiator; mounting holes for mounting and measuring air temperature and pressure are formed in the mounting plates on two axial sides of the annular radiator, and the mounting holes are uniformly distributed along the arc direction; the air channel height of the mounting plate is set to be three times of the height of the annular radiator fins, so that air can effectively pass through the annular radiator fins at a certain wind speed.
Further: one end of the transition section and one end of the mounting plate are respectively provided with a mounting flange, and are connected together through bolts; the transition section other end passes through welded connection together with straight tube section, and the overall structure is fan-shaped structure, and annular radiator fin is swept more evenly after the air is through the diffusion, not only increases the radiating effective area of participation, makes the air velocity of flow through annular radiator fin more stable moreover to improve heat exchange efficiency, improve the accuracy of performance test result.
Further: the sensors of the pressure measuring nozzle and the temperature measuring seat are uniformly arranged along the arc direction of the mounting plate, so that the pressure and the temperature of the air side can be measured averagely, the distribution of the air passing through the transition section and then along the annular radiator can be analyzed, and meanwhile, effective data are provided for the research of performance calculation.
Further: the straight pipe section is in a circular pipe shape, the length of the straight pipe section is L 2 =1/5L, and the straight pipe section is connected with the transition section through welding and is used for introducing air from an air source, so that the air is more stable before entering the transition section.
Further: the guide plates are welded on the inner flow passage of the transition section, the interval between each guide plate is 15-20 degrees, the guide plates have the functions of guiding and guiding the air entering from the straight pipe section, so that the air can uniformly pass through the fins along the annular radiator, and the heat exchange efficiency is improved; meanwhile, the guide plate has a supporting function in the inner flow passage of the transition section, so that the strength of the transition section is increased, and deformation and cracking are avoided.
Further: the reinforcing ribs are welded on the outer cambered surfaces of the mounting plate and the transition section, and a certain interval is reserved between the reinforcing ribs, so that the strength can be effectively increased, and particularly, the deformation and the cracking of the mounting plate and the transition section are avoided when the wind speed is high, and the heat exchange performance of the annular radiator is affected.
Further, the length of the transition section is comparable to the arc length of the test product.
Further, the mounting plate, the transition section and the straight pipe section are made of aluminum alloy.
The utility model has the technical effects that: the annular radiator is arranged in the clamping groove of the mounting plate, and the fins extend into the air channel of the mounting plate, so that air can sweep the fins of the annular radiator to effectively dissipate heat; the transition section and the mounting plate are both provided with connecting flanges which are connected through bolts; the transition section is in a fan-shaped structure, so that the diffusion and stability of air flow can be ensured, and air can more uniformly pass through the annular radiator; the pressure measuring nozzles and the temperature measuring seats are uniformly distributed on the mounting plate and are used for measuring the air side pressure and the temperature; the straight pipe section is welded at the air inlet end of the transition section and is connected with the air source outlet for introducing air; the guide plate is welded in the inner flow passage of the transition section, has the functions of guiding and guiding the air entering from the straight pipe section, and improves the heat exchange efficiency; the reinforcing ribs are welded on the outer lake surface of the mounting plate and the transition section, so that the strength can be effectively increased.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a bottom view;
FIG. 3 is a front view of a straight tube segment;
wherein, 1-mounting panel, 2-changeover portion, 3-straight tube section, 4-temperature measurement seat, 5-pressure measuring mouth, 6-annular radiator, 7-strengthening rib, 8-guide plate.
Detailed Description
The present utility model will now be described in detail with reference to the drawings or specific embodiments thereof, wherein it is noted that some, but not all, of the disclosed examples are illustrated. Indeed, many different examples may be described and these examples should not be construed as limited to only the examples set forth herein. Rather, these examples are described so that this disclosure will be thorough and complete, and will be apparent to those skilled in the art from consideration of the present disclosure.
Referring to the attached figure 1, the utility model specifically designs a performance test device of an annular radiator, which comprises a mounting plate 1, a transition section 2, a straight pipe section 3, a temperature measuring seat 4, a pressure measuring nozzle 5, an annular radiator 6, a reinforcing rib 7 and a guide plate 8;
The mounting plate 1 is connected with the transition section 2 through a mounting flange by bolts, and the whole structure is in a circular arc structure, as shown in fig. 1.
The temperature measuring seat 4 and the pressure measuring nozzle 5 are uniformly distributed on the mounting plate along the circumferential direction of the annular radiator 6.
The reinforcing ribs 7 are welded on the outer cambered surface of the mounting plate 1, as shown in fig. 2.
The deflector 8 is welded in the inner flow passage of the transition section 2, as shown in fig. 3.
In this embodiment, as shown in fig. 1, the outer structure of the mounting plate 1 is in an arc shape, the annular radiator 6 is mounted in the clamping groove of the mounting plate 1, and the fins extend into the air duct of the mounting plate 1, so that air can effectively radiate through the fins of the annular radiator 6.
In this embodiment, as shown in fig. 1, the sensors of the pressure measuring nozzle 5 and the temperature measuring seat 4 extend into the air flow channel of the mounting plate 1 through the mounting holes on the mounting plate 1, are uniformly arranged along the arc direction of the mounting plate 1, can perform average measurement on the pressure and the temperature of the air side, and are beneficial to analyzing the distribution of the air along the annular radiator after passing through the transition section.
In the embodiment, as shown in fig. 1, a transition section 2 and a mounting plate 1 are provided with mounting flanges which are connected together through bolts; the other end is connected with the straight pipe section 3 through welding, and the appearance structure is fan-shaped structure, and when the air passes through the annular radiator fin after diffusion more evenly, not only increases the effective area of participating in the heat dissipation, makes the air velocity of flow through annular radiator fin more stable moreover to improve heat exchange efficiency, improve the accuracy of performance test result.
In this embodiment, the straight pipe section 3 is in a circular pipe shape, and is connected with the transition section through welding, so that air from an air source is introduced, and the air is more stable before entering the transition section.
In this embodiment, as shown in fig. 2, the reinforcing ribs 7 are welded on the outer cambered surfaces of the mounting plate 1 and the transition section 2, so that the strength can be effectively increased, and particularly, the deformation and cracking of the mounting plate 1 and the transition section 2 can be avoided in the case of high wind speed, and the heat exchange performance of the annular radiator is affected.
In this embodiment, as shown in fig. 3, the baffle plate 8 is welded on the inner flow channel of the transition section 2, and has guiding and drainage effects on the air entering from the straight pipe section 3, so that the air can uniformly pass through the fins along the annular radiator, and the heat exchange efficiency is improved; meanwhile, the guide plate 8 has a supporting function in the inner flow passage of the transition section, so that the strength of the transition section 2 is increased, and deformation and cracking are avoided.
The foregoing examples are provided for clarity of illustration only and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art.
Claims (7)
1. The performance test device of the annular radiator is characterized by comprising a mounting plate, a transition section with diffusion effect on air, a pressure measuring nozzle for measuring air pressure, a temperature measuring seat for measuring air temperature, a straight pipe section connected with an air inlet source and a guide plate;
The mounting plate is provided with an annular radiator which is fixedly connected with one section of the transition section, an air flow passage is arranged in the mounting plate, and the external structure of the mounting plate is arc-shaped; the sensors of the pressure measuring nozzle and the temperature measuring seat extend into the air flow channel inside the mounting plate through the mounting holes on the mounting plate and are arranged along the arc direction of the mounting plate,
The deflector is disposed within the interior flow passage of the transition section.
2. The device for testing the performance of an annular radiator according to claim 1, wherein the mounting plate has an arc-shaped external structure, and the axial length L 1 is determined according to the arc length L of the annular radiator to be tested, and generally l=3l 1;
A bracket for installing the annular radiator is arranged at the center of the outer arc, and an open slot is arranged on the upper arc surface of the bracket.
3. The performance test device of an annular radiator according to claim 1, wherein one end of the transition section and one end of the mounting plate are provided with mounting flanges which are connected together through bolts; the other end of the transition section is connected with the straight pipe section through welding, and the appearance structure is a fan-shaped structure.
4. The performance testing apparatus of an annular heat sink of claim 1, wherein the sensors of the pressure tap and the temperature measuring seat are uniformly arranged along an arc direction of the mounting plate.
5. The device for testing the performance of the annular radiator according to claim 1, wherein the straight pipe section is in a circular pipe shape, the length is L 2 =1/5L, the straight pipe section is connected with the transition section through welding, and the length L is the arc length of the annular radiator to be tested.
6. A performance testing apparatus for an annular radiator according to claim 1, wherein the baffles are welded to the inner flow passage of the transition section with 15 ° to 20 ° spacing between each baffle.
7. The performance test device of an annular radiator according to claim 1, wherein reinforcing ribs are welded on the mounting plate and the extrados of the transition section, and a certain interval is arranged between the reinforcing ribs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322875229.7U CN220960634U (en) | 2023-10-25 | 2023-10-25 | Annular radiator performance test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322875229.7U CN220960634U (en) | 2023-10-25 | 2023-10-25 | Annular radiator performance test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220960634U true CN220960634U (en) | 2024-05-14 |
Family
ID=91008897
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322875229.7U Active CN220960634U (en) | 2023-10-25 | 2023-10-25 | Annular radiator performance test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220960634U (en) |
-
2023
- 2023-10-25 CN CN202322875229.7U patent/CN220960634U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102538562B (en) | Shell-and-tube heat exchanger with combined type one-shell-pass continuous spiral baffles | |
| CN110080828B (en) | Grid seam air film cooling structure with spool-shaped turbulence columns and double rounded outlets | |
| CN220960634U (en) | Annular radiator performance test device | |
| CN210834958U (en) | Calibrating device of pitot tube | |
| CN114320681B (en) | Air inlet pipe assembly and optimization method and measuring device thereof | |
| CN107356288B (en) | Air flow speed and temperature composite measuring device for low-speed flow field | |
| CN216204482U (en) | High-efficient heat exchanger that phase transition cooling system used | |
| CN115824560B (en) | Planar cascade wind tunnel PIV experiment slit tracer particle distribution device and distribution method | |
| CN103486602B (en) | Three-level flow equalizing, diffusion and transition flue of heat recovery boiler of gas turbine | |
| CN205279369U (en) | Fan subassembly and air conditioning unit | |
| CN107917461A (en) | A kind of radiator | |
| CN106595337A (en) | Unpowered cooling tower | |
| CN201016868Y (en) | Dynamic property testing device for air quantity control valve | |
| CN114046298A (en) | Flow field uniform distribution device suitable for adjustable shrinkage cavity of pulverized coal pipeline | |
| CN211013446U (en) | Three-arm model supporting device for high-temperature flow field | |
| CN108088095A (en) | A kind of plate type solar air collector | |
| CN110473640B (en) | Subchannel sliding type transverse pressure drop measuring system | |
| CN112066749A (en) | Double-row blade air inlet distributor for vacuum high-temperature equipment | |
| CN113188342A (en) | Water saving rate testing device and method for condensing type fog-dispersing water-saving cooling tower | |
| CN216241655U (en) | Flow field uniform distribution device suitable for adjustable shrinkage cavity of pulverized coal pipeline | |
| CN106475011A (en) | A kind of radiation flow-guiding type gas distributor for square filler tower | |
| CN201917383U (en) | Large-diameter gas flow standard device capable of providing two flow fields | |
| CN213254525U (en) | Double-row blade air inlet distributor for vacuum high-temperature equipment | |
| CN202017680U (en) | Gas flow adjusting device | |
| CN111023870A (en) | Non-blind area shell-and-tube heat exchange device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |