KR101772774B1 - Cooling apparatus of after flame gas - Google Patents
Cooling apparatus of after flame gas Download PDFInfo
- Publication number
- KR101772774B1 KR101772774B1 KR1020150177163A KR20150177163A KR101772774B1 KR 101772774 B1 KR101772774 B1 KR 101772774B1 KR 1020150177163 A KR1020150177163 A KR 1020150177163A KR 20150177163 A KR20150177163 A KR 20150177163A KR 101772774 B1 KR101772774 B1 KR 101772774B1
- Authority
- KR
- South Korea
- Prior art keywords
- coolant
- inner tube
- flow path
- ribs
- tube
- Prior art date
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02K—JET-PROPULSION PLANTS
- F02K9/00—Rocket-engine plants, i.e. plants carrying both fuel and oxidant therefor; Control thereof
- F02K9/97—Rocket nozzles
- F02K9/972—Fluid cooling arrangements for nozzles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
- B05B1/02—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to produce a jet, spray, or other discharge of particular shape or nature, e.g. in single drops, or having an outlet of particular shape
- B05B1/06—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to produce a jet, spray, or other discharge of particular shape or nature, e.g. in single drops, or having an outlet of particular shape in annular, tubular or hollow conical form
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
- B05B1/26—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with means for mechanically breaking-up or deflecting the jet after discharge, e.g. with fixed deflectors; Breaking-up the discharged liquid or other fluent material by impinging jets
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
- B05B1/30—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to control volume of flow, e.g. with adjustable passages
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
- B05B1/34—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl
- B05B1/3405—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl to produce swirl
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15D—FLUID DYNAMICS, i.e. METHODS OR MEANS FOR INFLUENCING THE FLOW OF GASES OR LIQUIDS
- F15D1/00—Influencing flow of fluids
- F15D1/02—Influencing flow of fluids in pipes or conduits
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The present invention relates to a wake gas cooling apparatus, and more particularly, to a wake gas cooling apparatus for cooling a high temperature combustion gas discharged from a rocket engine or the like.
Description
The present invention relates to a wake gas cooling apparatus, and more particularly to a wake gas cooling apparatus for cooling a high temperature combustion gas discharged from a rocket engine or the like.
Generally, a method of supplying cooling water to cool a wake gas, which is a combustion gas discharged from a rocket engine, is used.
Korean Patent Registration No. 10-446333 discloses such an injector for cooling a wake gas of a liquid rocket engine.
However, such a conventional injector for cooling the downstream gas has a problem that mixing of the combustion gas with the coolant is not effective by injecting the coolant only in the linear direction.
SUMMARY OF THE INVENTION It is an object of the present invention to provide a downstream gas cooling apparatus for cooling a high temperature combustion gas discharged from a rocket engine or the like.
The problems to be solved by the present invention are not limited to those mentioned above, and other solutions not mentioned can be clearly understood by those skilled in the art from the following description.
In order to accomplish the above object, the present invention provides an air conditioner comprising: an inner tube having an upper end formed with an inlet through which coolant is supplied from the outside, and a lower end formed with a discharge port through which refrigerant flows; An outer tube provided on the outer side of the inner tube and forming a flow path space having upper and lower openings between the inner tube and the inner tube; The upper portion is coupled to the inner circumferential surface of the outer tube and the lower portion is coupled to the inlet to block the upper portion of the open channel space while allowing the coolant supplied from the outside to flow into the channel space together with the inner tube Distributor; And a diffusing means provided at the discharge port and adapted to diffuse the coolant discharged to the outside, wherein the inner tube is protruded outward along the circumference of the outer circumference to contact the outer tube, A plurality of ribs extending in the longitudinal direction of the inner tube are formed, and coolant flowing into the flow path space passes between the ribs.
According to another aspect of the present invention, there is provided an air conditioner, comprising: an inner tube having an upper end formed with an inlet through which a coolant is supplied from the outside and a lower end formed with a discharge port through which refrigerant flows; An outer tube provided on the outer side of the inner tube and forming a flow path space having upper and lower openings between the inner tube and the inner tube; The upper portion is coupled to the inner circumferential surface of the outer tube and the lower portion is coupled to the inlet to block the upper portion of the open channel space while allowing the coolant supplied from the outside to flow into the channel space together with the inner tube Distributor; And a diffusing means for diffusing the coolant discharged to the outside, wherein the flow rate adjusting member is coupled to the inside of the distributor and controls the flow rate of the coolant passing through the distributor, The present invention also provides a wedge gas cooling apparatus.
The distributor according to the present invention is characterized in that the distributor has a main flow path for allowing coolant supplied from the outside to be supplied from the outside while being supplied to the inner pipe with both end portions opened and a plurality of distribution flow paths communicating with the main flow path, And the flow rate regulating member is formed of an orifice and a screw thread is formed on an outer peripheral surface of the flow rate regulating member so as to be threaded around the main flow path.
The plurality of ribs according to the present invention are each formed in a spiral shape.
The plurality of ribs according to the present invention are characterized by forming a mixing space in which a lower end portion is positioned above the lower end portion of the inner tube and a coolant passing between the ribs is mixed therebetween.
The plurality of ribs according to the present invention are characterized in that coolant flowing into the flow path space is passed while both ends of the ribs are opened.
The plurality of ribs according to the present invention each have a temperature at which a coolant passing between the first rib unit and the second rib unit is branched and mixed with the first, Thereby forming a holding space.
The plurality of first and second rib units and the plurality of second and third rib units according to the present invention are arranged to be shifted from each other.
According to another aspect of the present invention, there is provided an air conditioner, comprising: an inner tube having an upper end formed with an inlet through which a coolant is supplied from the outside and a lower end formed with a discharge port through which refrigerant flows; An outer tube provided on the outer side of the inner tube and forming a flow path space having upper and lower openings between the inner tube and the inner tube; The upper portion is coupled to the inner circumferential surface of the outer tube and the lower portion is coupled to the inlet to block the upper portion of the open channel space while allowing the coolant supplied from the outside to flow into the channel space together with the inner tube Distributor; And a diffusing means provided at the discharge port and adapted to diffuse the coolant discharged to the outside, characterized by further comprising pressure intensifying means for increasing the pressure of the coolant discharged from the flow path space Thereby providing a wake gas cooling device.
The pressure intensifying means according to the present invention is characterized in that the pressure intensifying means comprises a protruding protrusion protruding from at least one of an outer peripheral surface of a lower end portion of the inner tube and an inner peripheral surface of a lower end portion of the outer tube.
According to another aspect of the present invention, there is provided an air conditioner, comprising: an inner tube having an upper end formed with an inlet through which a coolant is supplied from the outside and a lower end formed with a discharge port through which refrigerant flows; An outer tube provided on the outer side of the inner tube and forming a flow path space having upper and lower openings between the inner tube and the inner tube; The upper portion is coupled to the inner circumferential surface of the outer tube and the lower portion is coupled to the inlet to block the upper portion of the open channel space while allowing the coolant supplied from the outside to flow into the channel space together with the inner tube Distributor; And a diffusing means provided at the discharge port and adapted to diffuse the coolant discharged to the outside, wherein the diffusing means comprises: a diffusion plate positioned below the lower end of the outer tube; A fixing plate fixed to an inner peripheral surface of the inner tube; And a connection bar connecting the diffusion plate and the fixing plate, wherein the diffusion plate has a conical shape whose upper surface is inclined, and the diameter of the diffusion plate is greater than or equal to the outer diameter of the outer tube Thereby providing a wake gas cooling device.
The diffuser plate according to the present invention is characterized in that the upper surface has a plurality of helical projections extending from a central portion to an outer peripheral surface and a plurality of auxiliary helical projections provided between adjacent helical projections, And extending from the outer circumferential surface of the diffuser plate toward the central portion, and being formed to be shorter than the spiral protrusions.
According to the present invention, the temperature of the combustion gas can be effectively lowered by injecting the coolant into the high temperature combustion gas discharged from the liquid rocket engine or the like.
The effects of the present invention are not limited to those mentioned above, and other solutions not mentioned may be clearly understood by those skilled in the art from the following description.
1 is a side view of a wake gas cooling apparatus according to the present invention.
2 is a longitudinal sectional view showing a wedge gas cooling apparatus according to the present invention.
3 is a longitudinal sectional view showing the inner and outer tubes in the wedge gas cooling apparatus according to the present invention.
FIG. 4 is a plan view showing a diffusion plate in a wedge gas cooling apparatus according to the present invention.
Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.
1 to 4, the wake gas cooling apparatus 1 according to the present invention includes an
The wake gas can be understood as a high-temperature combustion gas discharged from a rocket engine or the like, and the wake gas cooling apparatus 1 allows the coolant supplied from the outside to be injected as a wake gas.
The coolant preferably consists of water and cools the wake gas as it is sprayed with the wake gas.
At this time, it is preferable that the coolant is injected in the direction of the flow of the wake gas.
As shown in FIG. 1, the downstream gas cooler 1 is connected to another coolant supply device or the like through the
The
The
That is, the coolant passing through the flow path space A cools the
The
The
Since the
The wedge gas cooling apparatus 1 may further include a flow
The
For this purpose, the
The
3, the plurality of
The plurality of
Most preferably, the plurality of
This is because the coolant passing between the
Accordingly, the coolant passing through the inner and
2, the lower ends of the plurality of
The mixing space B allows the coolant passing between the
This is to prevent the cooling efficiency from dropping due to vaporization due to the temperature rise in the process of directly discharging the coolant passing between the
In other words, the coolant passing between the
To this end, the plurality of
The temperature holding space C is formed between the first and
That is, the temperature holding space C allows the coolant passing between each of the
In addition, the coolant passing between the
Since the
At this time, it is preferable that the first, second, and
For example, the
The
This is because the contact time between the coolant and the
The wedge gas cooling apparatus 1 may be provided with a pressure intensifier 60 for increasing the pressure of the coolant discharged from the flow path space A and increasing the boiling point of the coolant.
The pressure enhancing means 60 may include a protruding protrusion 61 protruding from at least one of an outer peripheral surface of a lower end portion of the
The projecting step 61 narrows the lower portion of the flow path space A through which the coolant is discharged, so that the discharge pressure of the coolant can be increased.
The diffusion means 40 includes a
A plurality of
The
The
As shown in FIG. 4, the
The plurality of
The
The
The coolant discharged from the flow path space A and the
It is to be understood that the present invention is not limited to the above-described embodiment, but may be modified and changed without departing from the spirit and scope of the present invention as set forth in the following claims. It will be understood by those of ordinary skill in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention.
1: Wake gas cooling device 10: Internal tube
11: inlet 12: outlet
13: rib 14: first rib unit
15: second rib unit 20: outer tube
30: Distributor 31: Main channel
32: distribution channel 40: diffusion means
41: diffusion plate 42: fixed plate
42a: hollow 43: connecting bar
44: spiral projection 45: auxiliary spiral projection
50: flow rate regulating member 60: pressure increasing means
61: protruding chin A: channel space
B: mixed space C: temperature holding space
Claims (12)
An outer tube provided on the outer side of the inner tube and forming a flow path space having upper and lower openings between the inner tube and the inner tube;
The upper portion is coupled to the inner circumferential surface of the outer tube and the lower portion is coupled to the inlet to block the upper portion of the open channel space while allowing the coolant supplied from the outside to flow into the channel space together with the inner tube Distributor; And
And a diffusion means provided in the discharge port and adapted to diffuse the coolant discharged to the outside,
The internal tube
A plurality of ribs protruding outward along the circumference of the outer circumferential surface and contacting with the outer tube and having both ends formed in a spiral shape extending in the longitudinal direction of the inner tube,
The coolant, which flows into the flow path space,
Passes through the ribs,
The plurality of ribs
The lower end of the inner tube is positioned above the lower end of the inner tube and a coolant flowing through the ribs is mixed therewith, and the coolant is branched into a plurality of first, second and third rib units, Forming a temperature holding space in which a coolant passing between the first rib unit and the second rib unit is mixed and advanced,
The mixing space
The coolant passing between the ribs is mixed and mixed so as to have the same temperature and mixed with the coolant discharged to the discharge port while being discharged to the lower portion of the flow path space,
The temperature-
The coolant passing between the first and second rib units and between the second and third rib units is mixed with the coolant passing between the first and second rib units so that the same temperature can be maintained, So that the gas can be introduced between the two rib units.
Further comprising a flow rate adjusting member coupled to the inside of the distributor to adjust a flow rate of the coolant passing through the distributor.
The distributor comprises:
A main flow path for allowing coolant supplied from the outside to be supplied to the inner pipe while both ends are opened and a plurality of distribution paths communicating with the main flow path and supplying the coolant to the flow path space are formed,
At the periphery of the main flow passage,
A thread is formed on the inner peripheral surface,
Wherein the flow rate control member comprises:
And a screw thread is formed on an outer circumferential surface of the orifice so as to be screwed around the main flow passage.
The plurality of ribs
And the coolant flowing into the flow path space is passed through the both ends of the cooler.
The plurality of first and second rib units and the plurality of second and third rib units,
And are arranged to be shifted from each other.
Further comprising pressure intensifying means for increasing the pressure of the coolant discharged from the flow path space.
The pressure-
And a protruding protrusion protruding from at least one of an outer peripheral surface of a lower end portion of the inner tube and an inner peripheral surface of a lower end portion of the outer tube.
The diffusion means,
A diffusion plate positioned below the lower end of the outer tube;
A fixing plate fixed to an inner peripheral surface of the inner tube; And
And a connection bar connecting the diffusion plate and the fixing plate,
The diffuser plate
Wherein the upper surface is formed in a conical shape having an inclined shape and the diameter is formed to be equal to or larger than the outer diameter of the outer tube.
The diffuser plate
A plurality of helical projections extending from the central portion to the outer peripheral surface on the upper surface and
A plurality of auxiliary spiral projections formed between adjacent helical projections are formed,
Wherein the plurality of auxiliary spiral projections
Wherein each of the spiral protrusions is formed to extend from an outer circumferential surface of the diffuser plate toward a central portion thereof, and is formed to be shorter than the spiral protrusions.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020150177163A KR101772774B1 (en) | 2015-12-11 | 2015-12-11 | Cooling apparatus of after flame gas |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020150177163A KR101772774B1 (en) | 2015-12-11 | 2015-12-11 | Cooling apparatus of after flame gas |
Publications (2)
Publication Number | Publication Date |
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KR20170069666A KR20170069666A (en) | 2017-06-21 |
KR101772774B1 true KR101772774B1 (en) | 2017-08-29 |
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Family Applications (1)
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KR1020150177163A KR101772774B1 (en) | 2015-12-11 | 2015-12-11 | Cooling apparatus of after flame gas |
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Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3158024B2 (en) * | 1995-11-14 | 2001-04-23 | 宮川工業株式会社 | Distributor and Distributor Connection Method |
KR200331022Y1 (en) * | 2003-07-31 | 2003-10-22 | 주식회사 포스코 | Apparatus for guinding fire of tundish preheating burner |
KR100446333B1 (en) * | 2002-07-23 | 2004-09-01 | 주식회사 로템 | Cooling water injector for after flame gas of fluid fuel rocket engine |
JP5438071B2 (en) * | 2002-12-30 | 2014-03-12 | ネクター セラピューティクス | Sprayer and spray drying system for forming droplets |
-
2015
- 2015-12-11 KR KR1020150177163A patent/KR101772774B1/en active IP Right Grant
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3158024B2 (en) * | 1995-11-14 | 2001-04-23 | 宮川工業株式会社 | Distributor and Distributor Connection Method |
KR100446333B1 (en) * | 2002-07-23 | 2004-09-01 | 주식회사 로템 | Cooling water injector for after flame gas of fluid fuel rocket engine |
JP5438071B2 (en) * | 2002-12-30 | 2014-03-12 | ネクター セラピューティクス | Sprayer and spray drying system for forming droplets |
KR200331022Y1 (en) * | 2003-07-31 | 2003-10-22 | 주식회사 포스코 | Apparatus for guinding fire of tundish preheating burner |
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Publication number | Publication date |
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KR20170069666A (en) | 2017-06-21 |
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