CN209432443U - A kind of combustor test part with burner inner liner side wall refrigerating function - Google Patents
A kind of combustor test part with burner inner liner side wall refrigerating function Download PDFInfo
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- CN209432443U CN209432443U CN201822104243.6U CN201822104243U CN209432443U CN 209432443 U CN209432443 U CN 209432443U CN 201822104243 U CN201822104243 U CN 201822104243U CN 209432443 U CN209432443 U CN 209432443U
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- inner liner
- side wall
- burner inner
- cooling duct
- test part
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Abstract
This application discloses a kind of combustor test part with burner inner liner side wall refrigerating function, the combustor test part includes: flame drum outer wall and burner inner liner inner wall；With the burner inner liner left side wall and burner inner liner right side wall for being set to flame drum outer wall and burner inner liner inner wall two sides, the multiple equal pressure passageway for being equipped with the multiple cooling ducts parallel with combustion gas direction inside the burner inner liner left side wall and the burner inner liner right side wall and being connected to the cooling duct, the equal pressure passageway is vertical with the cooling duct, and the air inlet and air outlet being connected to the cooling duct are equipped with far from the side in combustion gas direction in the burner inner liner left side wall and the burner inner liner right side wall.The combustor test part of the application is by being arranged cooling duct for burner inner liner interior, active cooling can be carried out to burner inner liner side wall, and equal pressure passageway is set to balance the pressure between each cooling duct, coolant flow between each cooling duct is set more evenly to can effectively reduce burner inner liner side wall combustion gas side wall temperature.
Description
Technical field
The application belongs to Aero Engine Testing field, in particular to a kind of burning with burner inner liner side wall refrigerating function
Room testpieces.
Background technique
Burner inner liner is the important component of aero-engine, and engine chamber in the prior art mostly uses greatly loopful
Shape burner inner liner, structural representation is as shown in Figure 1, in the development process of combustion chamber, and combustion chamber is by multiple rectangles or fan-shaped combustion
Room test mechanism is burnt at combustor test part is for corresponding to single or several nozzles 104 and nozzle shown in simulation drawing 1
Burner inner liner fan-shaped section 101.Combustor test part need to be in burner inner liner inner wall 103 and burner inner liner when simulating burner inner liner fan-shaped section 101
The two sides of outer wall 102 increase burner inner liner side wall 105,106 and are used to form combustion gas flow path, and structural representation is as shown in Figure 2.Due to
The continuous improvement of fuel gas temperature (1700 degrees Celsius or more) in combustion chamber flame drum, during prolonged combustion test, pole
The burner inner liner side wall for easily leading to Typical spray heat insulating coat generates ablation.
Therefore, existing burner inner liner side wall 105,106 generallys use the mode of spraying heat insulating coat to improve the resistance to of its ontology
Warm ability.But with the continuous improvement of fuel gas temperature in aero-gas turbine combustion chamber flame drum, existing mode can not expire
The cooling requirement of sufficient burner inner liner side wall easily generates ablation failure during long-time is tested.
Summary of the invention
There is provided a kind of combustor test parts with burner inner liner side wall refrigerating function for the purpose of the application, on solving
State any problem.
The technical solution of the application is: a kind of combustor test part with burner inner liner side wall refrigerating function, the burning
Room testpieces includes: flame drum outer wall and burner inner liner inner wall；With the flame for being set to flame drum outer wall and burner inner liner inner wall two sides
Cylinder left side wall and burner inner liner right side wall is equipped with and combustion gas direction inside the burner inner liner left side wall and the burner inner liner right side wall
Parallel multiple cooling ducts and the multiple equal pressure passageway being connected to the cooling duct, the equal pressure passageway and the cooling
Channel is vertical, the burner inner liner left side wall and the burner inner liner right side wall far from the side in combustion gas direction be equipped with it is described cold
But the air inlet and air outlet of channel connection.
In this application, be additionally provided with inside the burner inner liner left side wall and the burner inner liner right side wall air inlet air collecting chamber and
Gas outlet air collecting chamber, the air inlet air collecting chamber are arranged in parallel with cooling duct, and the air inlet is arranged in the air inlet
On air collecting chamber, the gas outlet air collecting chamber is also arranged in parallel with cooling duct, and the gas outlet is arranged in the gas outlet collection
On air cavity.
In this application, in the burner inner liner left side wall and the burner inner liner right side wall close to the side in the combustion gas direction
It is coated with heat insulating coat.
In this application, the cooling duct is the circle of diameter D, the cooling duct with the cooling duct
The burner inner liner left side wall or the burner inner liner right side wall, which flow to one side wall face close to the combustion gas, has distance t, two neighboring
There is distance k between the cooling duct, the diameter D of the cooling duct, cooling duct and burner inner liner side wall distance t and
The distance between two neighboring cooling duct k is used to adjust the temperature of the burner inner liner left side wall and burner inner liner right side wall.
In this application, the equal pressure passageway has width W, has spacing P, institute between the two neighboring equal pressure passageway
State spacing P between the width W of equal pressure passageway and the two neighboring equal pressure passageway for adjust the burner inner liner left side wall and
The temperature of burner inner liner right side wall.
In this application, the cooling duct and the interior medium to circulate of the equal pressure passageway include liquid or gas.
In this application, the liquid includes water.
The combustor test part of the application by by burner inner liner interior be arranged cooling duct, using testpieces import compared with
The air or water of low temperature carry out active cooling to burner inner liner side wall as coolant, and equal pressure passageway is arranged to balance each cooling
Pressure between channel makes coolant flow between each cooling duct more evenly can effectively reduce burner inner liner side wall combustion gas side
Wall temperature avoids the ablation failure of burner inner liner side wall.
Detailed description of the invention
In order to illustrate more clearly of technical solution provided by the present application, attached drawing will be briefly described below.It is aobvious and easy
Insight, drawings discussed below are only some embodiments of the present application.
Fig. 1 is engine chamber burner inner liner schematic diagram in the prior art.
Fig. 2 is combustor test part burner inner liner schematic diagram in the prior art.
Fig. 3 is the combustor test part schematic diagram of the application.
Fig. 4 is the burner inner liner left side wall schematic diagram of the application.
Fig. 5 is the burner inner liner left side wall inner flow passage circulation status schematic diagram of the application.
Specific embodiment
To keep the purposes, technical schemes and advantages of the application implementation clearer, below in conjunction in the embodiment of the present application
Attached drawing, technical solutions in the embodiments of the present application is further described in more detail.
As shown in Figure 1 to Figure 3, the combustor test part with burner inner liner side wall refrigerating function of the application includes burner inner liner
Outer wall 1 and burner inner liner inner wall 2, and it is set to the burner inner liner left side wall 3 and fire of 2 two sides of flame drum outer wall 1 and burner inner liner inner wall
Flame cylinder right side wall 4 is arranged in the inside of burner inner liner left side wall 3, burner inner liner right side wall 4 along combustion gas with constituting rectangle or sector structure
5 multiple cooling ducts 7 are flowed to, are parallel to each other between multiple cooling ducts 7, are flowed in burner inner liner side wall along cooling duct 7
Different location be provided with several equal pressure passageway 12, equal pressure passageway 12 is vertically arranged with cooling duct 7, respectively on the left of burner inner liner
The wall surface that wall 3 and burner inner liner right side wall 4 flow to 5 sides far from combustion gas is equipped with the air inlet 8 and outlet being connected to cooling duct 7
Mouth 10.
In this application, it is additionally provided with 9 He of air inlet air collecting chamber respectively inside burner inner liner left side wall 3 and burner inner liner right side wall 4
Gas outlet air collecting chamber 11, air inlet air collecting chamber 9 are arranged in parallel with equal pressure passageway 12, and air inlet 8 is arranged in air inlet air collecting chamber 9
On, gas outlet air collecting chamber 11 is also arranged in parallel with cooling duct 7, and gas outlet 10 is arranged on gas outlet air collecting chamber 11.
By taking flame left side wall 3 as an example, coolant enters cooling duct after the rectification of air inlet air collecting chamber 9 by air inlet 8
7, coolant cools down burner inner liner left side wall 3 in cooling duct 7, and after coolant often flows through certain distance, remittance is pressed
Channel 12 homogenizes coolant pressure, is then re-assigned in cooling duct 12, and final coolant imports gas outlet
Air collecting chamber 11 is simultaneously discharged by gas outlet 10.The cooling procedure of flame right side wall 4 is no longer superfluous herein as flame left side wall 3
It states.
By the way that equal pressure passageway 12 is arranged along journey in the cooling duct of burner inner liner side wall 7 in the application, balance near high-temperature region
Coolant pressure, and then keep the coolant flow in each cooling duct 7 in equal 12 downstream of pressure passageway more uniform, avoid nothing
Between the burner inner liner side wall cooling duct of equal pressure passageway structure coolant flow unevenly caused by ablation failure.
In one embodiment of the application, on the side wall surface of burner inner liner left side wall 3 and burner inner liner right side wall 4 close to combustion gas
It is coated with heat insulating coat 6, to further increase the heat-insulating capability of burner inner liner side wall.
The combustor test part of the application, can distance t, cooling duct diameter by adjusting cooling duct 12 away from combustion gas side
D and cooling duct spacing k obtains required cooling effect.
The combustor test part of the application can also obtain by adjusting equal pressure passageway width W, equal pressure passageway spacing P
Satisfied cooling effect.
Coolant used in the combustor test part of the application can be liquid, be also possible to gas, such as water, cooling
Liquid, air or cold air etc..
The above, the only specific embodiment of the application, but the protection scope of the application is not limited thereto, it is any
Within the technical scope of the present application, any changes or substitutions that can be easily thought of by those familiar with the art, all answers
Cover within the scope of protection of this application.Therefore, the protection scope of the application should be with the scope of protection of the claims
It is quasi-.
Claims (7)
1. a kind of combustor test part with burner inner liner side wall refrigerating function, which is characterized in that the combustor test part packet
It includes:
Flame drum outer wall (1) and burner inner liner inner wall (2)；And
It is set to the burner inner liner left side wall (3) and burner inner liner right side wall (4) of flame drum outer wall (1) and burner inner liner inner wall (2) two sides,
The multiple coolings parallel with combustion gas flow direction (5) are equipped with inside the burner inner liner left side wall (3) and the burner inner liner right side wall (4)
Channel (7) and the multiple equal pressure passageway (12) being connected to the cooling duct (7), the equal pressure passageway (12) and the cooling
Channel (7) is vertically, equal in the side of the burner inner liner left side wall (3) and the burner inner liner right side wall (4) far from combustion gas flow direction (5)
Equipped with the air inlet (8) and gas outlet (10) being connected to the cooling duct.
2. as described in claim 1 with the combustor test part of burner inner liner side wall refrigerating function, which is characterized in that the fire
Air inlet air collecting chamber (9) and gas outlet air collecting chamber are additionally provided with inside flame cylinder left side wall (3) and the burner inner liner right side wall (4)
(11), the air inlet air collecting chamber (9) is arranged in parallel with equal pressure passageway (12), and the air inlet (8) is arranged in the air inlet
On mouth air collecting chamber (9), the gas outlet air collecting chamber (11) is also arranged in parallel with equal pressure passageway (12), and the gas outlet (10) are set
It sets on the gas outlet air collecting chamber (11).
3. as claimed in claim 2 with the combustor test part of burner inner liner side wall refrigerating function, which is characterized in that described
The side of burner inner liner left side wall (3) and the close combustion gas flow direction (5) of the burner inner liner right side wall (4) is coated with heat insulating coat (6).
4. as described in claim 1 with the combustor test part of burner inner liner side wall refrigerating function, which is characterized in that described cold
But channel (7) are the circle of diameter D, the cooling duct (7) and the burner inner liner left side wall with the cooling duct (7)
(3) or the close combustion gas flow direction of the burner inner liner right side wall (4) (5) one side wall face has distance t, the two neighboring cooling
There is distance k between channel (7), the diameter D of the cooling duct (7), cooling duct (7) and burner inner liner side wall distance t with
And the distance between two neighboring cooling duct (7) k is for adjusting the burner inner liner left side wall (3) and burner inner liner right side wall (4)
Temperature.
5. as claimed in claim 4 with the combustor test part of burner inner liner side wall refrigerating function, which is characterized in that described equal
Pressure passageway (12) has width W, has spacing P between the two neighboring equal pressure passageway (12), the equal pressure passageway (12)
Spacing P between width W and the two neighboring equal pressure passageway (12) is for adjusting the burner inner liner left side wall (3) and burner inner liner
The temperature of right side wall (4).
6. the combustor test part a method as claimed in any one of claims 1 to 5 with burner inner liner side wall refrigerating function, which is characterized in that
The medium to circulate in the cooling duct (7) and the equal pressure passageway (12) includes liquid or gas.
7. as claimed in claim 6 with the combustor test part of burner inner liner side wall refrigerating function, which is characterized in that the liquid
Body includes water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822104243.6U CN209432443U (en) | 2018-12-14 | 2018-12-14 | A kind of combustor test part with burner inner liner side wall refrigerating function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822104243.6U CN209432443U (en) | 2018-12-14 | 2018-12-14 | A kind of combustor test part with burner inner liner side wall refrigerating function |
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| Publication Number | Publication Date |
|---|---|
| CN209432443U true CN209432443U (en) | 2019-09-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201822104243.6U Active CN209432443U (en) | 2018-12-14 | 2018-12-14 | A kind of combustor test part with burner inner liner side wall refrigerating function |
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| CN (1) | CN209432443U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115266108A (en) * | 2022-07-29 | 2022-11-01 | 中南大学 | Engine combustion chamber wall surface cooling test device |
-
2018
- 2018-12-14 CN CN201822104243.6U patent/CN209432443U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115266108A (en) * | 2022-07-29 | 2022-11-01 | 中南大学 | Engine combustion chamber wall surface cooling test device |
| CN115266108B (en) * | 2022-07-29 | 2024-07-09 | 中南大学 | Cooling test device for wall surface of combustion chamber of engine |
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