CN113188755A - Direct current smoke line test wind tunnel device - Google Patents
Direct current smoke line test wind tunnel device Download PDFInfo
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- CN113188755A CN113188755A CN202110601671.3A CN202110601671A CN113188755A CN 113188755 A CN113188755 A CN 113188755A CN 202110601671 A CN202110601671 A CN 202110601671A CN 113188755 A CN113188755 A CN 113188755A
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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
- G01M9/00—Aerodynamic testing; Arrangements in or on wind tunnels
- G01M9/06—Measuring arrangements specially adapted for aerodynamic testing
- G01M9/065—Measuring arrangements specially adapted for aerodynamic testing dealing with flow
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Abstract
A direct current smoke line test wind tunnel device relates to the technical field of wind tunnel test devices, and comprises a base and an air suction device, wherein a test chamber for placing a tested object is arranged on the base, a test space which is communicated with the left and the right is arranged in the middle of the test chamber, an air inlet steady flow section is arranged at an air inlet end of the test space, an air outlet steady flow section is arranged at an air outlet end, a smoke line generating device is arranged at the inner end of the air inlet steady flow section relative to the test chamber, a rotating device capable of driving the tested object to rotate and adjust the angle and the direction is arranged on the test space, the smoke line generating device generates smoke, the air suction device drives the smoke from the air inlet steady flow section to the air outlet steady flow section straightly, and a visible smoke line capable of walking along the surface of the tested object is formed, the invention forms the horizontal and stable flowing smoke line which passes through the surface of the tested object, the invention has the advantages of simple and compact structure and high practicability.
Description
Technical Field
The invention relates to the technical field of wind tunnel test devices, in particular to a direct-current smoke line test wind tunnel device.
Background
The smoke line test wind tunnel is mainly applied to test areas such as university classroom tests, research center tests and the like at present, a smoke line test wind tunnel puts a tested article into the test wind tunnel, and a fan is used for sucking wind from one side to the other side of the wind tunnel, wherein a smoke line generating device is arranged at an initial section, a heating wire is generally adopted, glycerin seeps from the heating wire from top to bottom, the glycerin is atomized into smoke through electric heating, the smoke flutters along with the wind, so that the smoke line can flow along the surface of the tested article if passing through the surface of the tested article, an observer can visually observe the flow direction of the wind on the tested article, and an experimental result is obtained;
however, at present, a general smoke line test wind tunnel device is large in size, complex in structure and high in operation difficulty, and the velocity and direction of flowing wind in the smoke line are different due to different velocities and different directions, so that test results are different due to uncertainty of flow of the smoke line.
Disclosure of Invention
The invention aims to solve the technical defects that the flow of a smoke line has uncertainty and instability due to different wind direction flow speeds and different directions in a smoke line test wind tunnel device in the prior art, and the heating wire is not provided with a tensioning device to incline the heating wire, so that the test results are different.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows:
the utility model provides a direct current cigarette line test wind-tunnel device, includes the base and the device that induced drafts, be provided with on the base and be used for placing the laboratory by the test article, the test space that link up about laboratory middle part is provided with, the air inlet end in test space is provided with air inlet stationary flow section, and the air outlet end is provided with the air-out stationary flow section, the air inlet stationary flow section for the inner of laboratory is provided with cigarette line generating device, be provided with in the test space and drive by the rotary device in test article rotation regulation angle position, cigarette line generating device produces the cigarette, by induced drafts the device with the cigarette follow air inlet stationary flow section straight past air-out stationary flow section drives, forms and to follow the visual cigarette line by the test article surface walking.
Furthermore, the air inlet flow stabilizing section and the air outlet flow stabilizing section are symmetrically arranged relative to the laboratory, the air inlet flow stabilizing section and the air outlet flow stabilizing section are identical in structure, and the air inlet flow stabilizing section comprises a honeycomb device and a flow equalizing pore plate which are arranged at the air inlet end of the laboratory at intervals from outside to inside.
Further, the cigarette line generating device is in including fixed setting the oil storage box subassembly, the setting at the air inlet constant current section top of laboratory are in long-pending oil box subassembly and the vertical drawing of oil storage box subassembly below are established oil storage box subassembly with a plurality of heater strips between the long-pending oil box subassembly, the heater strip is connected with the external power electricity, the inside oil of oil storage box subassembly can be followed the heater strip upper end down end seepage flow, and the seepage flow in-process produces the cigarette that is used for the experiment by heater strip electrical heating.
Further, the oil storage box subassembly is including fixed setting the oil storage box at laboratory top, the inside of oil storage box is provided with a plurality of automatic tensioners that are used for the automatic tensioning the straining device of heater strip, straining device with the upper end fixed connection of heater strip, long-pending oil box subassembly include with heater strip lower extreme fixed connection's long-pending oil groove, collection follow long-pending oil box of long-pending oil groove outflow hot oil, long-pending oil box is fixed in the base.
Further, overspeed device tensioner is including fixed the setting the fixed plate of bottom surface in the oil storage box, fixed sealing is connected with the seepage post on the fixed plate, be provided with the tensioning board directly over the fixed plate, the tensioning board with through tensioning bolt adjustable connection between the fixed plate, the fixed function board that is provided with in top of tensioning board, the through-hole has been seted up on the tensioning board, the one end of heater strip is fixed on going up the function board, the other end passes with this the through-hole, seepage post toward the oil accumulation box subassembly extends, seepage post center is provided with the confession the pore that the heater strip passed.
Further, the bottom of the oil accumulation groove is fixedly provided with a lower functional plate used for fixing the lower end of the heating wire, and one side of the oil accumulation groove is provided with a flow conveying hole used for conveying accumulated oil to the oil accumulation box.
Further, the delivery outlet has been seted up to the bottom of long-pending oil box, the delivery outlet passes through pipeline and long-pending oil tank intercommunication, long-pending oil tank is fixed to be set up in the base, the both sides of long-pending oil box are provided with the louvre.
Furthermore, the rotating device comprises a rotating plate and a rotating motor arranged in the base and used for driving the rotating plate to rotate, and the rotating motor is fixed in the base through a motor fixing frame.
Furthermore, an air inlet flow guide sleeve is arranged on the outer side of the air inlet flow stabilizing section, an air outlet flow guide sleeve is arranged on the outer side of the air outlet flow stabilizing section, and the air suction device comprises an air supply pipe and an air supply fan, wherein one end of the air supply pipe is connected with the air outlet flow guide sleeve, and the air supply fan is arranged in the air supply pipe.
Furthermore, the front side and the upper side of the laboratory are provided with observation windows which are convenient for observing the flowing of the internal smoke line.
Compared with the prior art, the invention has the following beneficial effects:
the invention provides a direct current smoke line test wind tunnel device, which is characterized in that a test chamber is arranged on a base, an air inlet steady flow section is arranged at an air inlet end of the test chamber, an air outlet steady flow section, a smoke line generating device, a rotating device and an air suction device are arranged at an air outlet end of the test chamber, when the direct current smoke line test wind tunnel device is used, a tested object is placed on the rotating device and rotates to a required direction and angle, smoke is generated through the smoke line generating device, wind flow passes through the air inlet steady flow section to generate horizontal, transverse and stable wind to drive the smoke to flow from an air inlet side to an air outlet side, so that horizontal, transverse and stable flowing smoke lines are formed, and visual wind direction flowing is formed through the smoke lines on the surface of the tested object through the surface profile of the tested object, so that an observer can intuitively and accurately obtain an experimental result of wind direction flowing.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic perspective view of the present invention;
FIG. 3 is a perspective view of another embodiment of the present invention;
FIG. 4 is a perspective view of another embodiment of the present invention;
FIG. 5 is a schematic structural view of a smoke line generator according to the present invention;
FIG. 6 is a schematic structural view of a smoke line generator according to the present invention;
FIG. 7 is a schematic structural view of an oil accumulation box according to the present invention;
fig. 8 is a partially enlarged view of fig. 6.
In the figure: 1. the automatic oil-smoke-removing device comprises a base, 11 an oil accumulation tank, 2 an air inlet flow-guiding cover, 3 an air inlet flow-stabilizing section, 31 a honeycomb device, 32 a flow-equalizing pore plate, 4 a smoke line generating device, 41 an oil storage box, 411 a fixing plate, 412 a seepage column, 413 a tensioning bolt, 415 a tensioning plate, 416 through holes, 417 an upper function plate, 42 a cover plate, 43 a handle, 44 heating wires, 45 oil accumulation grooves, 46 oil accumulation boxes, 461 heat dissipation holes, 462 output holes, 47 flow output holes, 48 a lower function plate, 5 a rotating device, 51 a rotating motor, 52 rotating plates, 53 a motor fixing frame, 6 a test chamber, 7 an air outlet flow-stabilizing section, 8 an air outlet flow-guiding cover, 9 an air supply pipe and 91 an air supply fan.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the elevator guide rail fixing structure of the present invention will be described in further detail by way of embodiments in conjunction with the accompanying drawings. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The numbering of the components as such, e.g., "first", "second", etc., is used herein only to distinguish the objects as described, and does not have any sequential or technical meaning. The term "connected" and "coupled" when used in this application, unless otherwise indicated, includes both direct and indirect connections (couplings). In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
As shown in fig. 1-8, a direct current smoke line test wind tunnel device comprises a base 1 and an air suction device, wherein a test chamber 6 used for placing a tested object is arranged on the base 1, a test space which is communicated with the left and right is arranged in the middle of the test chamber 6, an air inlet end of the test space is provided with an air inlet steady flow section 3, an air outlet end of the air outlet end is provided with an air outlet steady flow section 7, the air inlet steady flow section 3 is opposite to the inner end of the test chamber 6 and is provided with a smoke line generating device 4, a rotating device 5 which can drive the tested object to rotate and adjust the angle direction is arranged on the test space, and the smoke line generating device 4 generates smoke, so that the air suction device can directly and straightly drive the air inlet steady flow section to the air outlet steady flow section to form a visible smoke line which can walk on the surface of the tested object.
The invention provides a direct current smoke line test wind tunnel device, which is characterized in that a test room 6 is arranged on a base 1, an air inlet steady flow section 3 is arranged at the air inlet end of the laboratory 6, an air outlet steady flow section 7, a smoke line generating device, a rotating device and an air suction device are arranged at the air outlet end, when in use, the tested product is placed on the rotating device and rotated to a required direction and angle, smoke is generated by the smoke line generating device, wind flows through the air inlet steady flow section 7 to generate horizontal, transverse and stable wind to drive the smoke to flow from the air inlet side to the air outlet side, so that the smoke line which can enable the smoke to flow horizontally and stably is formed, and the smoke line passes through the surface of the tested product and the surface outline of the tested product, the invention has the advantages of simple and compact structure and high practicability.
Specifically, as shown in the figure, the air inlet steady flow section 3 and the air outlet steady flow section 7 are symmetrically arranged about the test chamber 6, the air inlet steady flow section 3 and the air outlet steady flow section 7 have the same structure, and the air inlet steady flow section comprises a honeycomb device 31 and a flow equalizing pore plate 32 which are arranged at the air inlet end of the test chamber 6 at intervals from outside to inside. Set up the stationary flow section through setting up the symmetry, form the synchronous stationary flow of air inlet air-out promptly for inside wind current is more stable, even the tobacco stream flows more stably, and experimental effect is good.
Specifically, as shown in the figure, the cigarette line generating device is including fixed setting up the oil storage box subassembly, the setting at 3 tops of air inlet stationary flow section of laboratory 6 are in the long-pending oil box subassembly and the vertical drawing of oil storage box subassembly below are established the oil storage box subassembly with a plurality of heater strips 44 between the long-pending oil box subassembly, heater strip 44 is connected with the external power electricity, the inside oil of oil storage box subassembly can be followed heater strip 44 upper end is toward the lower extreme seepage flow, and the seepage flow in-process produces the cigarette that is used for the experiment by heater strip electrical heating. During the use, through predetermineeing glycerine at the oil storage box subassembly, glycerine is from last down along the heater strip seepage flow is atomized into the cigarette through the heating, and the cigarette flows along with inside distinguished and admirable formation cigarette line, and storage, cyclic utilization are stored in the oily box subassembly of ponding under not atomized glycerine seepage flow.
Specifically, as shown in the figure, the oil storage box subassembly is including fixed setting the oil storage box 41 at 6 tops in laboratory, the inside of oil storage box 41 is provided with a plurality of automatic tensioners that are used for the automatic tensioning the straining device of heater strip 44, straining device with the upper end fixed connection of heater strip 44, the oil accumulation box subassembly include with heater strip 44 lower extreme fixed connection's oil accumulation groove 45, collect the follow the oil accumulation box 46 of oil accumulation groove 45 outflow hot oil, oil accumulation box 46 is fixed in the base 1. The tensioning mechanism comprises a fixing plate 411 fixedly arranged on the inner bottom surface of the oil storage box 41, a seepage column 412 is fixedly and hermetically connected to the fixing plate 411, a tensioning plate 415 is arranged right above the fixing plate 411, the tensioning plate 415 is adjustably connected with the fixing plate 411 through a tensioning bolt 413, an upper function plate 417 is fixedly arranged at the top of the tensioning plate 415, a through hole 416 is formed in the tensioning plate 415, one end of the heating wire 44 is fixed to the upper function plate 417, the other end of the heating wire passes through the through hole 416 and the seepage column 412 and extends towards the oil storage box assembly, and a fine hole 418 for the heating wire 44 to pass through is formed in the center of the seepage column 412.
Through setting up straining device for the heater strip keeps the tensioning state constantly, during the implementation, but oil accumulation box 46 sets up to flip and opens filling glycerine structure, including oil storage box 41, lid 42 and handle 43, can easily open through the handle during the use lid 42, filling glycerine, glycerine are followed heater strip 44 down seepage flow, through seepage flow column 412 center pore 418 from last down seepage flow, crooked appears when heater strip 44, through adjusting tensioning bolt 413 can adjust the rate of tension of heater strip 44.
Specifically, as shown in the figure, a lower function plate 48 for fixing the lower end of the heating wire 44 is fixedly arranged at the bottom of the oil accumulation groove 45, and a flow delivery hole 47 for delivering accumulated oil into the oil accumulation box 46 is arranged at one side of the oil accumulation groove 45.
Specifically, as shown in the figure, an output hole 462 is formed at the bottom end of the oil accumulation box 46, the output hole 462 is communicated with the oil accumulation tank 11 through a pipeline, the oil accumulation tank 11 is fixedly arranged in the base 1, and heat dissipation holes 461 are formed in two sides of the oil accumulation box 46.
Specifically, as shown in the figure, the rotating device 5 includes a rotating plate 52 and a rotating motor 51 disposed in the base 1 for driving the rotating plate 52 to rotate, and the rotating motor 51 is fixed in the base 1 through a motor fixing frame 53.
Specifically, as shown in the figure, an air inlet flow guide sleeve 2 is arranged on the outer side of the air inlet flow stabilizing section 3, an air outlet flow guide sleeve 8 is arranged on the outer side of the air outlet flow stabilizing section 7, and the air suction device comprises an air supply pipe 9 and an air supply fan 91, wherein one end of the air supply pipe is connected with the air outlet flow guide sleeve 8, and the air supply fan 91 is arranged in the air supply pipe 9. The air inlet flow guide sleeve 2 and the air outlet flow guide sleeve 8 are arranged to enable air inlet and air outlet to pass through the flow stabilizing section after being gradually reduced and guided, so that the stability of air flow is improved.
Specifically, as shown in the figure, the front side and the upper side of the laboratory 6 are provided with observation windows 61 for observing the flow of the internal smoke line.
Specifically, the specific implementation principle of the invention is as follows: under the air extraction effect of the air supply fan 91, the outside air is gradually reduced and guided by the air inlet guide cover 2, then flows and rectifies through the flow equalizing section provided with the honeycomb device 31 and the flow equalizing pore plate 32, and is stably sent into the test room 6 provided with the smoke line generating device. Among the tobacco line generating device, the cigarette oil (glycerine) of top oil storage box sees through the pore and slowly from the heater strip surface of taking the pretightning force, flow equalizes and stay, until getting back to the oil accumulation groove, under the electric power effect, heater strip surface tobacco oil is heated and is produced the flue gas, taken away by the air tendency of flowing through, generate beautifully at whole section, straight tobacco line, get into behind the test section when the tobacco line, meet and place and block in the object of rotatory carousel, form a intact fluid form in the test section space after the detour, naked eye is clearly visible. Then the tobacco line gets into air-out stationary flow section, and the flue gas is combed once more, lets experimental section import and export air aim at, reduces and blocks, lets the air current better smooth and easy. And finally, the smoke passes through the fan and is discharged outdoors through the blast pipe. The flue gas flow velocity and the rotation of the rotating disc can be freely adjusted, so that the test flue gas line is closer to the natural wind, and the method has higher scientific research reference value. The invention has practical great application value: the method has great scientific research support for pollutant diffusion research, building thermal environment research, human-living comfortable environment research and the like.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (10)
1. A direct current smoke line test wind tunnel device comprises a base (1) and an air suction device, it is characterized in that a test room (6) for placing a tested object is arranged on the base (1), a test space which is communicated from left to right is arranged in the middle of the test room (6), an air inlet steady flow section (3) is arranged at the air inlet end of the test space, an air outlet steady flow section (7) is arranged at the air outlet end of the test space, the inner end of the air inlet steady flow section (3) relative to the laboratory (6) is provided with a smoke line generating device (4), the test space is provided with a rotating device (5) capable of driving the tested object to rotate and adjust the angle and the direction, the smoke line generating device (4) generates smoke, and the air suction device enables the smoke to pass through the air inlet steady flow section straightly and smoothly and the air outlet steady flow section to be driven to form a visible smoke line capable of walking along the surface of the tested object.
2. The wind tunnel device for the direct current smoke line test according to claim 1, wherein the air inlet steady flow section (3) and the air outlet steady flow section (7) are symmetrically arranged about the test chamber (6), the air inlet steady flow section (3) and the air outlet steady flow section (7) are identical in structure, and the air inlet steady flow section comprises a honeycomb device (31) and a flow equalizing pore plate (32) which are arranged at the air inlet end of the test chamber (6) at intervals from outside to inside.
3. The direct-current smoke line test wind tunnel device according to claim 2, wherein the smoke line generating device comprises an oil storage box assembly fixedly arranged at the top of an air inlet steady flow section (3) of the laboratory (6), an oil accumulation box assembly arranged below the oil storage box assembly, and a plurality of heating wires (44) vertically pulled between the oil storage box assembly and the oil accumulation box assembly, wherein the heating wires (44) are electrically connected with an external power supply, oil in the oil storage box assembly can flow from the upper end to the lower end of the heating wires (44), and smoke for testing is generated by electric heating of the heating wires in the flowing process.
4. The direct-current smoke line test wind tunnel device according to claim 3, wherein the oil storage box assembly comprises an oil storage box (41) fixedly arranged at the top of the test chamber (6), a plurality of tensioning mechanisms used for automatically tensioning the heating wire (44) are arranged inside the oil storage box (41), the tensioning mechanisms are fixedly connected with the upper end of the heating wire (44), the oil accumulation box assembly comprises an oil accumulation groove (45) fixedly connected with the lower end of the heating wire (44) and an oil accumulation box (46) used for collecting hot oil flowing out from the oil accumulation groove (45), and the oil accumulation box (46) is fixed in the base (1).
5. A DC smoke line test wind tunnel device according to claim 4, the tensioning mechanism comprises a fixed plate (411) fixedly arranged on the inner bottom surface of the oil storage box (41), a seepage column (412) is fixedly and hermetically connected on the fixed plate (411), a tensioning plate (415) is arranged right above the fixed plate (411), the tensioning plate (415) is adjustably connected with the fixing plate (411) through a tensioning bolt (413), an upper functional plate (417) is fixedly arranged at the top of the tensioning plate (415), a through hole (416) is arranged on the tensioning plate (415), one end of the heating wire (44) is fixed on the upper functional plate (417), and the other end of the heating wire passes through the through hole (416) and the seepage column (412) to extend to the oil storage box component, the center of the seepage column (412) is provided with a fine hole (418) for the heating wire (44) to pass through.
6. The wind tunnel device for the direct current smoke line test according to claim 5, wherein a lower functional plate (48) for fixing the lower end of the heating wire (44) is fixedly arranged at the bottom of the oil accumulation groove (45), and a delivery hole (47) for delivering accumulated oil into the oil accumulation box (46) is arranged at one side of the oil accumulation groove (45).
7. The wind tunnel device for the direct current smoke line test according to claim 6, wherein an output hole (462) is formed in the bottom end of the oil accumulation box (46), the output hole (462) is communicated with the oil accumulation tank (11) through a pipeline, the oil accumulation tank (11) is fixedly arranged in the base (1), and heat dissipation holes (461) are formed in two sides of the oil accumulation box (46).
8. The wind tunnel device for the DC smoke line test according to claim 6, wherein said rotating device (5) comprises a rotating plate (52), a rotating motor (51) disposed in said base (1) for driving said rotating plate (52) to rotate, said rotating motor (51) being fixed in said base (1) by a motor fixing frame (53).
9. The wind tunnel device for the direct current smoke line test according to claim 1, wherein an air inlet flow guide sleeve (2) is arranged on the outer side of the air inlet steady flow section (3), an air outlet flow guide sleeve (8) is arranged on the outer side of the air outlet steady flow section (7), and the air suction device comprises an air supply pipe (9) and an air supply fan (91), wherein one end of the air supply pipe is connected with the air outlet flow guide sleeve (8), and the air supply fan (91) is arranged in the air supply pipe (9).
10. A dc smoke line test wind tunnel device according to claim 1, characterized in that the front side and the upper side of said test chamber (6) are provided with observation windows (61) for observing the flow of internal smoke lines.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110601671.3A CN113188755A (en) | 2021-05-31 | 2021-05-31 | Direct current smoke line test wind tunnel device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110601671.3A CN113188755A (en) | 2021-05-31 | 2021-05-31 | Direct current smoke line test wind tunnel device |
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| Publication Number | Publication Date |
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| CN113188755A true CN113188755A (en) | 2021-07-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110601671.3A Pending CN113188755A (en) | 2021-05-31 | 2021-05-31 | Direct current smoke line test wind tunnel device |
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| CN (1) | CN113188755A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113945356A (en) * | 2021-10-15 | 2022-01-18 | 南京航空航天大学 | Device and method suitable for visual experiment of smoke line flow field |
| CN117928880A (en) * | 2024-03-22 | 2024-04-26 | 南京沃姆传动技术有限公司 | Diversion equipment and diversion method for wind tunnel test |
-
2021
- 2021-05-31 CN CN202110601671.3A patent/CN113188755A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113945356A (en) * | 2021-10-15 | 2022-01-18 | 南京航空航天大学 | Device and method suitable for visual experiment of smoke line flow field |
| CN117928880A (en) * | 2024-03-22 | 2024-04-26 | 南京沃姆传动技术有限公司 | Diversion equipment and diversion method for wind tunnel test |
| CN117928880B (en) * | 2024-03-22 | 2024-05-28 | 南京沃姆传动技术有限公司 | Diversion equipment and diversion method for wind tunnel test |
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