CN108240910B - Band cylinder bilayer Anti-splash molsink and its cooling means - Google Patents
Band cylinder bilayer Anti-splash molsink and its cooling means Download PDFInfo
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- CN108240910B CN108240910B CN201810031020.3A CN201810031020A CN108240910B CN 108240910 B CN108240910 B CN 108240910B CN 201810031020 A CN201810031020 A CN 201810031020A CN 108240910 B CN108240910 B CN 108240910B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M15/00—Testing of engines
- G01M15/02—Details or accessories of testing apparatus
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64G—COSMONAUTICS; VEHICLES OR EQUIPMENT THEREFOR
- B64G7/00—Simulating cosmonautic conditions, e.g. for conditioning crews
Abstract
The present invention provides the cooling means with cylinder bilayer Anti-splash molsink and the above-mentioned double-deck Anti-splash molsink for the ground electric propulsion test for being equipped with Anti-splash molsink, are related to plasma space environmental-test facility technical field.Wherein, Anti-splash molsink, including horizontal fin and coolant liquid perfusion tube, there are two horizontal fins for each coolant liquid perfusion tube connection, two horizontal fins connecting with same coolant liquid perfusion tube are arranged in parallel, and horizontal fin is parallel with the axis of cylinder for installing Anti-splash molsink.The invention is able to solve the technical problem of the Anti-splash ability difference of the Anti-splash structure of electric propulsion test in ground existing in the prior art.
Description
Technical field
The present invention relates to plasma space environmental-test facility technical field more particularly to Anti-splash molsink and
Band cylinder bilayer Anti-splash molsink and above-mentioned bilayer equipped with the ground electric propulsion test for having above-mentioned Anti-splash molsink are anti-
Sputter the cooling means of molsink.
Background technique
Compared with traditional chemical thruster, electric thruster has the characteristics that than leaping high, thrust is small, the long-life, therefore electricity pushes away
Into the payload of spacecraft can be improved, improve rail control precision, service life of spacecraft is substantially improved, worldwide by
To being widely applied.The electric thruster of China also passes through the research of decades and graduallys mature, but electric thruster is in China's satellite
The precedent of upper application not yet, and electric thruster plume splash effect influences whether the service life and spacecraft temperature of spacecraft
The normal use of the components such as control, optics, the splash effect to spacecraft are to cannot be neglected.Since plume experiment in space is very difficult
And expensive, researchers have then carried out long-term ground vacuum cabin to ion sputtering corrosion effect and have tested.But carry out ground
In vacuum chamber experiment, the background sputtering effect of vacuum bulkhead has seriously affected experimental result, and therefore, it is necessary to carry out Anti-splash molecule
Heavy rational design.
One important prerequisite of electric propulsion plume ground experiment is to guarantee that background sputtering effect is small as far as possible, so that experimental situation
It can reach the set quota.The design structure master to shoot at the target more in the world suitable for the splashproof of the large-scale vacuum chamber of electric propulsion
There is flat, two kinds of special-shaped formula.But all sputtering targets are all single layer structures.The structure shot at the target such as the splashproof of LEEP2 and
The splashproof of the LVTF vacuum chamber of Aerospazio company, which is shot at the target, is all made of flat type, the IV10vacuum of Alta company
The cone key protection core part of the beam that the special-shaped splashproof of chamber is shot at the target using middle with hole.
The back amount of the sputtering product of sputtering target material is considered as while fully considering the Anti-splash effect that splashproof is shot at the target
It should lack as far as possible, it is possible to reduce the influence to thruster and test parts, this just needs to optimize the structure that splashproof is shot at the target
Design is to achieve the effect that the long-life and the cleannes for improving test space environment that splashproof is shot at the target.
Summary of the invention
It is existing to solve the purpose of the present invention is to provide the band cylinder bilayer Anti-splash molsink of ground electric propulsion test
The technical problem of the Anti-splash ability difference for the Anti-splash structure for thering is ground electric propulsion present in technology to test.
Anti-splash molsink, including horizontal fin and coolant liquid perfusion tube, there are two water for each coolant liquid perfusion tube connection
Flat fin, two horizontal fins connecting with same coolant liquid perfusion tube are arranged in parallel, horizontal fin with for installing Anti-splash
The axis of the cylinder of molsink is parallel.
It is added cooling line in Anti-splash molsink, reduces wall surface temperature, adsorb the xenon ion in plume and various splash
Ingredient is penetrated, better Anti-splash effect is played.And the product that subsequent end Anti-splash molsink can be stopped to return.And
And the angle of fins for sputtering molsink design can effectively prevent the end Anti-splash molsink of cylinder from sputtering the product returned
The influence of stream field.
Preferred technical solution, supplementary features are: horizontal fin is T2 red copper fin.
Preferred technical solution, supplementary features are: coolant liquid perfusion tube (22) is 316 stainless steel tubes.
Further preferred technical solution, supplementary features are: the surface of horizontal fin is coated with the first carbon felt.
The band cylinder bilayer Anti-splash molsink of ground electric propulsion test, including the double-deck Anti-splash molsink cylinder skeleton
(1), cylinder is cooling tube sheet (2), secondary end Anti-splash molsink (20) and end Anti-splash molsink (21), the double-deck Anti-splash molecule
Cylinder, the cooling tube sheet of cylinder is collectively formed in heavy cylinder skeleton (1), the cylinder cooling tube sheet (2) to link together with cylinder skeleton
(2) inner wall of cylinder is surrounded, end Anti-splash molsink (21) He Ciduan Anti-splash molsink (20) is along cylinder axial alignment, end
Portion's Anti-splash molsink (21) is mounted on the bottom end of cylinder, and secondary end Anti-splash molsink (20) is mounted on the inside of cylinder, secondary end
Anti-splash molsink (20) is any of the above-described Anti-splash molsink.
The bilayer Anti-splash molecule sink structure have passed through positioned at the end Anti-splash molsink of cylinder body bottom and positioned at cylinder
The absorption of internal secondary end Anti-splash molsink, absorbs twice, more effectively prevents in electric propulsion due to the sputtering pair of cabin inner wall
The influence of experimental result.
Preferred technical solution, supplementary features are: coolant liquid is equipped in end Anti-splash molsink (21) and cylinder
Perfusion tube (22).
It is added cooling line in Anti-splash molsink, reduces wall surface temperature, adsorb the xenon ion in plume and various splash
Ingredient is penetrated, better Anti-splash effect is played.
Further preferred technical solution, supplementary features are: each coolant liquid perfusion tube (22) in cylinder is respectively
It is fixedly connected there are two cylinder fin (26), the inner surface of cylinder fin is coated with the second carbon felt.
Further preferred technical solution, supplementary features are: end Anti-splash molsink (21) has sector wing
Piece, the dog-ear of sector fin are 150 °, parallel with the part of two sector fins of same coolant liquid perfusion tube connection to set
It sets, the inner surface of sector fin is coated with the second carbon felt.
Technical solution still further preferably, supplementary features are: further including cooling recirculation system, cooling recirculation system
Including cooling system, cylinder pipeline coolant control valve, end molecule immersed tube road coolant control valve, the cooling hydraulic control of skeleton pipeline
Valve processed, low temperature tapping valve, cylinder skeleton perfusion tube, end molsink perfusion tube, cylinder perfusion tube, cooling system pass through cylinder pipe
Road coolant control valve connector drum perfusion tube, cooling system are infused by skeleton pipeline coolant control valve connector drum skeleton
Pipe, cooling system pass through end molecule immersed tube road coolant control valve, cylinder skeleton perfusion tube, end molsink perfusion tube, cylinder
Body perfusion tube is connect with low temperature tapping valve.
The cooling cycle pipeline of Anti-splash molsink is connected with the liquid-supplying system in cabin big outside cabin, facilitates pipe-line layout and behaviour
Make, is adjusted convenient for synchronizing temperature with cabin.
It is double-deck using the band cylinder of above-mentioned ground electric propulsion test that it is another object of the present invention to provide a kind of
The refrigerating method of Anti-splash molecule sink structure, comprising the following steps:
Open the cooling hydraulic control of cylinder pipeline coolant control valve, end molecule immersed tube road coolant control valve and skeleton pipeline
The coolant liquid perfusion tube of valve processed, starting cooling recirculation system, secondary end Anti-splash molsink and end Anti-splash molsink is passed through cold
But liquid, while line temperature and cooling rate are adjusted by coolant control valve, when end Anti-splash molsink and time end are anti-
When the temperature of sputtering molsink reaches minimum, closes cooling system control valve and stop cooling fluid supply；
Low temperature tapping valve is opened, it will be in the coolant liquid perfusion tube of secondary end Anti-splash molsink and end Anti-splash molsink
Coolant liquid is discharged by low temperature tapping valve, by observation, when flowing out in low temperature tapping valve without coolant liquid, closes low temperature drain
Valve.
Refrigerating method of the present invention has the beneficial effect that
In entire cooling procedure, end molecule immersed tube road coolant control valve and the control of skeleton pipeline coolant liquid are opened simultaneously
Valve, it is ensured that secondary end Anti-splash molsink and end Anti-splash molsink in the double-deck Anti-splash molsink cool down simultaneously.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is the single chip architecture schematic diagram of the secondary end Anti-splash molsink of the embodiment of the present invention one；
Fig. 2 is the general illustration of the double-deck Anti-splash molsink of the embodiment of the present invention two；
Fig. 3 is cooling cycle schematic diagram in embodiment two；
Fig. 4 is general pipeline connection schematic diagram shown in D-D section in Fig. 2；
Fig. 5 is to support schematic diagram in Fig. 2 shown in B-B section；
Fig. 6 is piping connection schematic diagram shown in C-C section in Fig. 2；
Fig. 7 is bilayer Anti-splash molsink axial arrangement schematic diagram shown in A-A section in Fig. 2；
Fig. 8 is the structural schematic diagram of the end local I I Anti-splash molsink upper side fin in Fig. 7；
Fig. 9 is the structural schematic diagram of the end local I II Anti-splash molsink downside fin in Fig. 7；
Figure 10 is the structural schematic diagram of local I V cylinder fin in Fig. 7；
Figure 11 is B direction view in Fig. 2.
The meaning that appended drawing reference used in each embodiment indicates is as follows:
1- bilayer Anti-splash molsink cylinder skeleton；2- cylinder cools down tube sheet；3- supports pulley；The infusion of 4- cylinder skeleton
Pipe；The end 5- molsink perfusion tube；6- cylinder perfusion tube；7- low temperature tapping valve；801- cylinder pipeline coolant control valve；802-
End molecule immersed tube road coolant control valve；803- skeleton pipeline coolant control valve；The first fixed block of 9-；10- heat insulation loop；
The first U bolt of 11-；The second fixed block of 12-；The first heat insulating mattress of 13-；The second heat insulating mattress of 14-；The second U bolt of 15-；16-
Three fixed blocks；17- third heat insulating mattress；The 4th heat insulating mattress of 18-；19- third U bolt；20- end Anti-splash molsink；The end 21-
Portion's Anti-splash molsink；The heavy coolant liquid perfusion tube of 22- end molecule；The heavy fin of 23- end molecule；The end 24- molsink is cooling
Liquid perfusion tube；The end 25- molsink fin；26- cylinder fin；27- cylinder coolant liquid perfusion tube.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
Personnel's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
Embodiment one
Anti-splash molsink, including horizontal fin and the heavy coolant liquid perfusion tube 22 of time end molecule, horizontal fin can be secondary
End molecule sinks fin 23, and each coolant liquid perfusion tube connection is there are two horizontal fin, two connect with same coolant liquid perfusion tube
A horizontal fin is arranged in parallel, and horizontal fin is parallel with the axis of cylinder for installing Anti-splash molsink.
It is added cooling line in Anti-splash molsink, reduces wall surface temperature, adsorb the xenon ion in plume and various splash
Ingredient is penetrated, better Anti-splash effect is played.And the product that subsequent end Anti-splash molsink can be stopped to return.And
And the angle of fins for sputtering molsink design can effectively prevent the end Anti-splash molsink of cylinder from sputtering the product returned
The influence of stream field.
Particularly, horizontal fin is T2 red copper fin；Secondary end molecule sinks coolant liquid perfusion tube 22 for 316 stainless steel tubes.
Further particularly, the surface of horizontal fin is coated with the first carbon felt.
Embodiment two
As shown in Figure 2 and Figure 7, a kind of pair for sputtering effect in electric propulsion cabin applied in vacuum chamber of the invention
Layer Anti-splash molsink, including the cooling tube sheet 2 of the double-deck Anti-splash molsink cylinder skeleton 1, cylinder, support pulley 3, secondary end splashproof
Molsink 20 and end Anti-splash molsink 21 are penetrated, secondary end Anti-splash molsink is the Anti-splash molsink of embodiment one.It is anti-
Sputtering molsink includes the cylinder molsink matched with bulkhead, end Anti-splash molsink and secondary end Anti-splash molsink,
End Anti-splash molsink 21 is fixed by bolts on the double-deck Anti-splash molsink cylinder skeleton 1, secondary end Anti-splash molsink
20 use integrated design, secondary end Anti-splash molsink 20 and end Anti-splash molecule with the double-deck Anti-splash molsink cylinder skeleton
Heavy 21 distance is 2500mm.
As shown in figure 3, the cooling recirculation system of the double-deck Anti-splash molsink includes: cooling system, cylinder pipeline coolant liquid
Control valve 801, end molecule immersed tube road coolant control valve 802 and skeleton pipeline coolant control valve 803, low temperature tapping valve 7
And cylinder skeleton perfusion tube 4 shown in Fig. 2, end molsink perfusion tube 5 and cylinder perfusion tube 6.Cooling system passes through cylinder
801 connector drum perfusion tube 4 of body pipeline coolant control valve, cooling system are connected by skeleton pipeline coolant control valve 803
Cylinder skeleton perfusion tube 4, cooling system pass through end molecule immersed tube road coolant control valve 802, cylinder skeleton perfusion tube 4, end
Portion's molsink perfusion tube 5, cylinder perfusion tube 6 outlet end connect with low temperature tapping valve 7.The entrance of cooling recirculation system is figure
The pipeline group being made of in 2 cylinder skeleton perfusion tube 4, end molsink perfusion tube 5 and the cylinder perfusion tube 6 of lower section, liquid outlet
The pipeline group formed for cylinder skeleton perfusion tube 4, end molsink perfusion tube 5 and the cylinder perfusion tube 6 above Fig. 2.
As shown in figure 4, cylinder skeleton perfusion tube 4 and the first fixed block 9 are adjacent, the first U-shaped spiral shell is installed in the first fixed block 9
Bolt 11, wherein heat insulation loop is set on the position that the first U bolt 9 is through in the first fixed block 9, the U-shaped of the first U bolt 9
Bottom is connected on the double-deck Anti-splash molsink cylinder skeleton 1.
As shown in figure 5, cylinder perfusion tube 6 is clamped by the first heat insulating mattress 13 and the second heat insulating mattress 14,13 He of the first heat insulating mattress
Second heat insulating mattress 14 is connected on the second fixed block 12 by the second U bolt 15, and the second fixed block 12 is supported with end molsink
Perfusion tube 5.
As shown in fig. 6, end molsink perfusion tube 5 is clamped by third heat insulating mattress 17 and the 4th heat insulating mattress 18, third is heat-insulated
Pad 17 and the 4th heat insulating mattress 18 are connected on third fixed block 16 by third U bolt 19, and third fixed block 16 is supported with end
Molecule cylinder perfusion tube 6.
As shown in figure 11, the double-deck Anti-splash molsink cylinder includes: the double-deck Anti-splash for the annular that diameter is Φ 3400mm
Molsink cylinder skeleton 1, the cooling tube sheet 2 of cylinder to be linked together by fin shown in Figure 11 and entire body skeleton, cylinder is cold
But the diameter of the gabarit for the cylinder that tube sheet 2 surrounds is Φ 3200mm, long 5800mm.Cylinder by with the double-deck Anti-splash molsink cylinder
On the track that the support pulley 3 that body skeleton 1 is connected is connected in vacuum chamber, support the structure of pulley as shown in Figure 2.Cylinder wing
The inner surface of piece is coated with the second carbon felt.
As shown in Figure 10, cylinder coolant liquid perfusion tube 27 and two cylinder fins 26 weld, cylinder skeleton perfusion tube 4, end
Portion's molsink perfusion tube 5, cylinder perfusion tube 6 are 316 stainless steel straight tubes 22.Correspondingly, whole fins is T2 red copper fin
Material.The pipe size of coolant liquid perfusion tube 22 is Φ 21mm, wall thickness 2.2mm, the thickness of cylinder fin and end molsink fin
1.5mm, every wide 110mm.135 ° of angle between 26 plane of cylinder fin and folding face can preferably prevent from sputtering production between gap
Object returns in mainstream field.The inner surface of cylinder molsink is coated with the second carbon felt.
Fig. 7 show the axial arrangement schematic diagram of bilayer Anti-splash molsink shown in the A-A section of Fig. 2.End Anti-splash point
Son heavy 21 is located at cylinder bottom end, and end Anti-splash molsink 21 is fixed by bolts in the double-deck Anti-splash molsink cylinder skeleton 1
On, replacement easy to disassemble.End 21 structures of Anti-splash molsink are as shown in Figure 7, Figure 8 and Figure 9, end Anti-splash molsink 21
End molsink fin 25 is designed using " people " font scrap (bridge), and 150 ° of herringbone angle, the people of the heavy fin 25 of every end part
Angle of the two parts of font between the plane perpendicular to axis of cylinder is 15 °, both angles, which are all more advantageous to, to be subtracted
Influence of the sputtering product to mainstream field less.Every radicle molsink coolant liquid perfusion tube pipe 24 is connected with parallel end molsink
The longer portion of fin 25, the longer portion of two panels end molsink fin 25 and the angle of cylinder cross section are 15 °, two bit ends
The longer portion of portion's molsink fin 25 is further continued for extending outwardly, and distinguishes 30 ° of dog-ear again after extending equal length, i.e. every end
Two parts angle of molsink fin 25 is 150 °, adjacent two of two adjacent radicle molsink coolant liquid perfusion tube pipes 24
The longer portion of the heavy fin 21 of piece end part is arranged in parallel, and two adjacent radicle molsink coolant liquid perfusion tube pipes 24
Adjacent two panels end molsink fin 21 shorter part, it is also parallel to each other, also and to other a piece of end molecule
There is overlapping in the longer portion of heavy fin 21 in the circumferential direction of cylinder inboard wall.The material of end Anti-splash molsink and cylinder molsink phase
Together.The inner surface of end molsink fin is coated with the second carbon felt.
Secondary end Anti-splash molsink fin is along the intracorporal circumferential array of cylinder, and towards the central axes of cylinder.
Embodiment three
Using the refrigerating method of the above-mentioned double-deck Anti-splash molsink, as shown in figure 3, specifically:
(1) cylinder pipeline coolant control valve 801, end molecule immersed tube road coolant control valve 802 and skeleton pipe are opened
Road coolant control valve 803 starts cooling recirculation system, is passed through coolant liquid to bilayer molecules immersed tube road, while by opening cylinder
Body pipeline coolant control valve 801, end molecule immersed tube road coolant control valve 802 and skeleton pipeline coolant control valve 803
Line temperature and cooling rate are adjusted, when the cooling tube sheet 2 of cylinder, end Anti-splash molsink 21 and secondary end Anti-splash molsink
When 20 temperature reaches minimum, cold opening cylinder pipeline coolant control valve 801, the control of end molecule immersed tube road coolant liquid are closed
Valve 802 and skeleton pipeline coolant control valve 803 stop cooling fluid supply；
(2) low temperature tapping valve 7 is opened, it will be in cylinder perfusion tube 6, end molsink perfusion tube 5 and cylinder skeleton perfusion tube 4
A large amount of coolant liquids be discharged by tapping valve 7, pass through observation, when flowing out in tapping valve 7 without coolant liquid, close low temperature tapping valve
7。
In entire cooling procedure, it is ensured that the double-deck Anti-splash molsink cylinder skeleton 1, cylinder cooling tube sheet 2, secondary end splashproof
It penetrates molsink 20 and end Anti-splash molsink 21 while cooling down.
In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation,
It is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In addition, term " first ", " second ",
" third " is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement.
And these are modified or replaceed, technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution
Range.
Claims (9)
1. the band cylinder bilayer Anti-splash molsink of ground electric propulsion test, which is characterized in that including the double-deck Anti-splash molecule
Heavy cylinder skeleton (1), cylinder are cooling tube sheet (2), and secondary end Anti-splash molsink (20) and end Anti-splash molsink (21) are described
Cylinder is collectively formed in the double-deck Anti-splash molsink cylinder skeleton (1), the cylinder cooling tube sheet (2) to link together with cylinder skeleton
Body, the cylinder cooling tube sheet (2) surround the inner wall of the cylinder, and the end Anti-splash molsink (21) and described end are anti-
Molsink (20) are sputtered along cylinder axial alignment, end Anti-splash molsink (21) is mounted on the bottom end of the cylinder, and secondary end is anti-
Sputtering molsink (20) is mounted on the inside of the cylinder, and described time end Anti-splash molsink (20) includes horizontal fin and cooling
Liquid perfusion tube, each coolant liquid perfusion tube connection is there are two horizontal fin, two connect with same coolant liquid perfusion tube
Horizontal fin is arranged in parallel, and the horizontal fin is parallel with the axis of cylinder for installing Anti-splash molsink.
2. the band cylinder bilayer Anti-splash molsink of electric propulsion test in ground according to claim 1, which is characterized in that
The horizontal fin is T2 red copper fin.
3. the band cylinder bilayer Anti-splash molsink of electric propulsion test in ground according to claim 1 or 2, feature exist
In the coolant liquid perfusion tube (22) is 316 stainless steel tubes.
4. the band cylinder bilayer Anti-splash molsink of electric propulsion test in ground according to claim 2, which is characterized in that
The surface of the horizontal fin is coated with the first carbon felt.
5. the band cylinder bilayer Anti-splash molsink of electric propulsion test in ground according to claim 1, which is characterized in that
Coolant liquid perfusion tube (22) are equipped in the end Anti-splash molsink (21) and the cylinder.
6. the band cylinder bilayer Anti-splash molsink of electric propulsion test in ground according to claim 5, which is characterized in that
Each coolant liquid perfusion tube (22) in the cylinder is respectively fixedly connected with there are two cylinder fin (26), the cylinder fin
Inner surface is coated with the second carbon felt.
7. the band cylinder bilayer Anti-splash molsink of electric propulsion test in ground according to claim 5, which is characterized in that
The end Anti-splash molsink (21) has sector fin, and the dog-ear of the sector fin is 150 °, with same cooling
The part of two sector fins of liquid perfusion tube connection is arranged in parallel, and the inner surface of the sector fin is coated with the second carbon
Felt.
8. the band cylinder bilayer Anti-splash molsink of electric propulsion test in ground according to claim 1, which is characterized in that
It further include cooling recirculation system, the cooling recirculation system includes cooling system, cylinder pipeline coolant control valve (801), end
The sub- immersed tube road coolant control valve (802) in part, skeleton pipeline coolant control valve (803), low temperature tapping valve (7), cylinder bone
Frame perfusion tube (4), end molsink perfusion tube (5), cylinder perfusion tube (6), the cooling system are cold by the cylinder pipeline
But hydraulic control valve (801) connects the cylinder perfusion tube (6), and the cooling system passes through the skeleton pipeline coolant control valve
(803) the cylinder skeleton perfusion tube (4) is connected, the cooling system passes through end molecule immersed tube road coolant control valve
(802), the cylinder skeleton perfusion tube (4), the end molsink perfusion tube (5), the cylinder perfusion tube (6) with it is described
Low temperature tapping valve (7) connection.
9. a kind of refrigerating method with cylinder bilayer Anti-splash molsink of electric propulsion test in ground according to any one of claims 8,
The following steps are included:
Open the cylinder pipeline coolant control valve, the end molecule immersed tube road coolant control valve and the skeleton pipeline
Coolant control valve, starts cooling recirculation system, secondary end Anti-splash molsink (20) and end Anti-splash molsink (21) it is cold
But liquid perfusion tube (22) is passed through coolant liquid, while adjusting line temperature and drop by coolant control valve (801,802,803)
Warm speed closes cooling when the temperature of end Anti-splash molsink (21) He Ciduan Anti-splash molsink (20) reaches minimum
The cooling hydraulic control of the cylinder pipeline coolant control valve, the end molecule immersed tube road coolant control valve and the skeleton pipeline
Valve processed stops cooling fluid supply；
It opens low temperature tapping valve (7), the coolant liquid of secondary end Anti-splash molsink (20) and end Anti-splash molsink (21) is defeated
Coolant liquid in liquid pipe is discharged by low temperature tapping valve (7), by observation, when being flowed out in low temperature tapping valve (7) without coolant liquid,
It closes low temperature tapping valve (7).
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| CN101718626A (en) * | 2009-11-10 | 2010-06-02 | 北京航空航天大学 | Heat sink wall panel structure arrangement for increasing absorption of plume gas |
| CN101947474A (en) * | 2010-07-21 | 2011-01-19 | 北京航空航天大学 | Fractional liquid supply temperature self compensation liquid helium heat sink structure |
| CN102175456A (en) * | 2011-01-28 | 2011-09-07 | 北京航空航天大学 | Straight cylindrical liquid-nitrogen liquid-helium double-medium compatible heat sink device and refrigeration method thereof |
| CN102228845A (en) * | 2011-04-19 | 2011-11-02 | 北京航空航天大学 | Automatic cooling heat sink framework and its refrigeration method |
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