CN104792658B - A kind of flow-path module and research device for Study of Fluid flow regime - Google Patents
A kind of flow-path module and research device for Study of Fluid flow regime Download PDFInfo
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- CN104792658B CN104792658B CN201510154730.1A CN201510154730A CN104792658B CN 104792658 B CN104792658 B CN 104792658B CN 201510154730 A CN201510154730 A CN 201510154730A CN 104792658 B CN104792658 B CN 104792658B
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- 239000012530 fluid Substances 0.000 title claims abstract description 89
- 238000011160 research Methods 0.000 title claims abstract description 17
- 238000005259 measurement Methods 0.000 claims description 48
- 230000003287 optical effect Effects 0.000 claims description 47
- 230000007704 transition Effects 0.000 claims description 22
- 238000007405 data analysis Methods 0.000 claims description 11
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 238000010008 shearing Methods 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 239000002245 particle Substances 0.000 description 8
- 238000012800 visualization Methods 0.000 description 7
- 238000004364 calculation method Methods 0.000 description 4
- 230000006698 induction Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000002861 polymer material Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 241001463139 Vitta Species 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000012552 review Methods 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
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Abstract
The present invention relates to a kind of flow-path module and research device for Study of Fluid flow regime, a kind of flow-path module for Study of Fluid flow regime, including first-class guidance tape, second guidance tape, access panel, the entrance of first-class guidance tape is connected with cross-head, the outlet of the entrance of second guidance tape and first-class guidance tape coordinates, flow-path module is extended in the outlet of second guidance tape, and access panel is separately positioned on the forward and backward and top of second guidance tape.Runner is arranged in first-class guidance tape and second guidance tape by the flow-path module for Study of Fluid flow regime mentioned by the present invention, the runner of a variety of geometries can be set in second guidance tape, when studying complex fluid, only need to change corresponding second guidance tape, it is easy to quick-replaceable to assemble, reduces manufacturing cost.
Description
Technical field
The present invention relates to a kind of flow-path module and research device for Study of Fluid flow regime, is ground suitable for visualization
Study carefully the flow regime of complex fluid.
Background technology
At present, although visualization means are widely used in Study of Fluid flow regime in mould and runner, but concern mostly
The scope of freedom of flow of fluid, flow regime, such as it is vortexed, also there is high spot reviews high polymer material injection flow or injection molding
The visual research of product defect etc..In addition, the application in terms of stream field tests the speed with the color stripe measurement such as stress also has report
Road, but these researchs are limited only to some specific runner or mould.
Flow regime for complex fluid is, it is necessary to coordinate more research devices to study, complex operation, and cost is high.
The content of the invention
In order to solve in the prior art for the high technical problem of complex fluid flow regime research complex operation and cost,
The present invention proposes a kind of flow-path module for Study of Fluid flow regime, and the flow-path module is easy to quick-replaceable a variety of specific
Runner plate, the rheological behaviour that complex fluid is studied on same device in stretching and shearing combination flow field is realized, is reduced
Manufacturing cost, the utilization rate of visualization device is improved, and other special runner plates can be built on this platform, with full
The specific demand of sufficient researcher, the use range of the device is expanded.
The technical scheme is that：
A kind of flow-path module for Study of Fluid flow regime, including first-class guidance tape, second guidance tape, access panel,
The entrance of first-class guidance tape is connected with cross-head, and the outlet of the entrance of second guidance tape and first-class guidance tape coordinates, and second
Flow-path module is extended in the outlet of runner plate, and access panel is separately positioned on the forward and backward and top of second guidance tape.
Compared with prior art, the flow-path module for Study of Fluid flow regime mentioned by the present invention sets runner
In first-class guidance tape and second guidance tape, the runner of a variety of geometries can be set in second guidance tape, study complex fluid
When, it is only necessary to corresponding second guidance tape is changed, is easy to quick-replaceable to assemble, reduces manufacturing cost.
In order to realize the present invention, the runner that can coordinate with a variety of second guidance tapes is set on first-class guidance tape and gone out
Mouthful, the entrance of first-class guidance tape is arranged on its vertical center, and entrance in the horizontal direction, and descends extension to form T-shape upwards
Runner.
The outlet of first-class guidance tape is arranged on T-shape runner topmost, is communicated with the entrance level of second guidance tape, second
Runner plate entrance extends to its horizontal center position, and sprue is connected by transition runner straight down.
Sprue is contracted channel, including the upper runner and lower flow channel to interpenetrate, upper runner are connected with transition runner, under
Runner extends to the outlet of second guidance tape, and the cross section of upper runner and lower flow channel is rectangle structure, and upper runner section is wide
Degree w1 and lower flow channel cross-sectional width w2 meets following relation：W1 >=4w2, upper runner length L1 and second guidance tape thickness δ expire
The following relation of foot：L1 >=8 δ, lower flow channel length L2 and lower flow channel cross-sectional width w2 meet following relation：L2≥10w2.
Sprue is peripheral flow runner, including be connected with transition runner around post runner, the cross section around post runner is
Rectangle, a cylinder is set in post runner, cylindrical body supports are on access panel, around post flow channel cross-section width w5, cylinder
Body diameter d6, its center line and main channel outlet distance L5 meet following relation：W5 >=2d6, L5 >=10d6.
Sprue be prism stream runner, including be connected with transition runner around post runner, the cross section around post runner is
Rectangle, a prism is set in post runner, prism is supported on access panel, around post flow channel cross-section width w6, prism
Side length b, prism section base and main channel outlet distance L6 meet following relation：W6 >=2b, L6 >=15b.Prism is triangular prism
Or quadrangular.
Another outlet of first-class guidance tape is arranged on T-shape runner bottom, is communicated with the entrance level of second guidance tape,
Second guidance tape entrance extends to its horizontal center position, and sprue is connected by transition runner straight up.
Sprue is right-angled intersection runner, including vertical runner and horizontal run, vertical runner and horizontal run it is transversal
Face is rectangle structure, and the upper and lower ends of vertical runner are connected with transition runner, the centre position of vertical runner set to
The horizontal run of both sides extension, the cross-sectional width w3 of vertical runner, the cross-sectional width w4 of horizontal run, the length L3 of vertical runner
Meet following relation with the length L4 of horizontal run：W3=w4, L4 ＞ L3 >=8w3.
Special flow passage design can obtain flow regime of the fluid in complex flowfield, especially polymeric fluid in the present invention
Flow regime in stretching and shearing combination flow field, and the speed of measurable fluid, stress equivalence striped, temperature and pressure
Power, it is easy to the complicated rheological behaviour of Study of Fluid, probes into the machinability of high polymer material.
The present invention also provides a kind of fluid flow state research device, including temperature sensor, pressure sensor, computer
Data analysis system, fluid speed measurement optical system and flow field stress measurement optical system, in addition to above-mentioned flow-path module, temperature pass
The runner of sensor, pressure sensor respectively with second guidance tape in flow-path module contacts, and fluid speed measurement optical system and flow field should
Power measurement optical system coordinates with flow-path module respectively.
The device of the block combiner visual research complex fluid of the present invention, not only can be by means of fluid speed measurement optical system
System obtains the speed and flow regime in flow field, and the vitta lines such as the principal stress in flow field can also be obtained by flow field stress measurement system
Pattern.
The laser of fluid speed measurement optical system is arranged on second guidance tape top access panel upper end, and camera is arranged on
The preceding observation front edge of board of two runner plates or rear access panel rear end；The laser of flow field stress measurement optical system is arranged on second flow channel
Front edge of board is observed before plate, camera is arranged on rear access panel rear end.
Brief description of the drawings
Fig. 1 is the structural representation of flow-path module of the present invention；
Test the speed optical system schematic diagram in the flow field that Fig. 2 is the present invention；
Fig. 3 is the flow field stress measurement optical system schematic diagram of the present invention；
Fig. 4-8 is the different flow passage structure schematic diagrames of the present invention.
Wherein 10 be the flow-path module for Study of Fluid flow regime, and 20 be one-wavelength laser transmitter, and 30 be high-speed CCD
Camera, 40 be computer data analysis system, and 50 be -45 ° of polarizers, and 60 be+45 ° of analyzers, and 70 be quarter wave plate, and 80 are
Temperature sensor, 90 be pressure sensor, and 11 be first-class guidance tape, and 12 be second guidance tape, and 131 be preceding access panel, after 132 are
Access panel, 133 be top access panel, and 14 be side plate, and 111 be T-shaped runner, and 121 be transition runner, and 122 be upper runner, and 123 are
Lower flow channel, 124 be vertical runner, and 125 be horizontal run, and 126 be that 127 be cylinder or prism around post runner.
Embodiment
Embodiment 1：
As Figure 1-3, a kind of fluid flow state research device, including temperature sensor 80, pressure sensor 90, meter
Calculation machine data analysis system 40, fluid speed measurement optical system, flow field stress measurement optical system and for Study of Fluid flow shape
The flow-path module 10 of state；Fluid speed measurement optical system includes one-wavelength laser transmitter 20, trace particle, high-speed CCD camera 30,
Stress measurement optical system in flow field includes one-wavelength laser transmitter 20, -45 ° of polarizers 50, quarter wave plate 70 (2) ,+45 ° of analyzings
Mirror 60 and high-speed CCD camera 30；Flow-path module 10 for Study of Fluid flow regime includes first-class guidance tape 11, second
Guidance tape 12, access panel, the entrance of first-class guidance tape 11 are connected with cross-head, the entrance and first flow of second guidance tape 12
The outlet of plate 11 coordinates, and flow-path module is extended in the outlet of second guidance tape 12, and access panel is separately positioned on second guidance tape 12
Forward and backward and top；Temperature sensor 80, pressure sensor 90 connect with the fluid in second guidance tape 12 in flow-path module respectively
Touch, the opposite side installation side plate 14 of second guidance tape 12, pressure sensor 90 is arranged on side plate 14；Fluid speed measurement optical system
One-wavelength laser transmitter 20 is arranged on the upper end of 12 top access panel of second guidance tape 133, and high-speed CCD camera 30 is arranged on second
The preceding front end of access panel 131 of runner plate or the rear end of rear access panel 132；The one-wavelength laser transmitter 20 of flow field stress measurement optical system
The front end of access panel 131 before second guidance tape is arranged on, high-speed CCD camera is arranged on the rear rear end of access panel 132.
The runner that can coordinate with second guidance tape 12 and outlet are set on first-class guidance tape 11, first-class guidance tape 11
Entrance is arranged on its vertical center, and entrance in the horizontal direction, and descends extension to form T-shape runner 111 upwards.First flow
The outlet of plate 111 is arranged on T-shape runner 111 topmost, is communicated with the entrance level of second guidance tape 12, second guidance tape
121 entrances extend to its horizontal center position, and sprue is connected by transition runner 121 straight down.
As shown in figure 4, sprue is contracted channel, including the upper runner 122 and lower flow channel 123 to interpenetrate, upper runner
122 are connected with transition runner 121, and lower flow channel 123 extends to the outlet of second guidance tape 12, and upper runner 122 and lower flow channel 123 are cut
Face is rectangle structure, and upper runner width w1 and lower flow channel width w2 meets following relation：W1 >=4w2, upper runner length L1
Meet following relation with the thickness δ of second guidance tape：L1 >=8 δ, lower flow channel length L2 and lower flow channel cross-sectional width w2 satisfactions are as follows
Relation：L2≥10w2..
By fluid speed measurement optical system, by the trace particle in high-speed CCD camera stream field at different moments
Movement locus is taken pictures, and pictorial information then is transferred into computer data analysis system, passes through the data processing in software
The speed of fluid in flow field can be obtained with algorithm；By flow field stress measurement optical system, the monochrome that laser is launched is swashed
Visualization form template, reaches the fluid in particular flow unit before light beam passes through, and form template is visualized after then passing through again,
Can observes the birefringent phenomenon of flow of fluid induction, so as to obtain the stress equivalence bar graph of complex fluid in flow field
Case, shoot pattern using high-speed CCD camera and be transferred to computer system.
Embodiment 2：
As Figure 1-3, a kind of fluid flow state research device, including temperature sensor 80, pressure sensor 90, meter
Calculation machine data analysis system 40, fluid speed measurement optical system, flow field stress measurement optical system and for Study of Fluid flow shape
The flow-path module 10 of state；Fluid speed measurement optical system includes one-wavelength laser transmitter 20, trace particle, high-speed CCD camera 30,
Stress measurement optical system in flow field includes one-wavelength laser transmitter 20, -45 ° of polarizers 50, quarter wave plate 70 (2) ,+45 ° of analyzings
Mirror 60 and high-speed CCD camera 30；Flow-path module 10 for Study of Fluid flow regime includes first-class guidance tape 11, second
Guidance tape 12, access panel, the entrance of first-class guidance tape 11 are connected with cross-head, the entrance and first flow of second guidance tape 12
The outlet of plate 11 coordinates, and flow-path module is extended in the outlet of second guidance tape 12, and access panel is separately positioned on second guidance tape 12
Forward and backward and top；Temperature sensor 80, pressure sensor 90 connect with the fluid in second guidance tape 12 in flow-path module respectively
Touch, the opposite side installation side plate 14 of second guidance tape 12, pressure sensor 90 is arranged on side plate 14；Fluid speed measurement optical system
One-wavelength laser transmitter 20 is arranged on the upper end of 12 top access panel of second guidance tape 133, and high-speed CCD camera 30 is arranged on second
The preceding front end of access panel 131 of runner plate or the rear end of rear access panel 132；The one-wavelength laser transmitter 20 of flow field stress measurement optical system
The front end of access panel 131 before second guidance tape is arranged on, high-speed CCD camera is arranged on the rear rear end of access panel 132.
The runner that can coordinate with second guidance tape 12 and outlet are set on first-class guidance tape 11, first-class guidance tape 11
Entrance is arranged on its vertical center, and entrance in the horizontal direction, and descends extension to form T-shape runner 111 upwards.First flow
The outlet of plate 111 is arranged on T-shape runner 111 topmost, is communicated with the entrance level of second guidance tape 12, second guidance tape
121 entrances extend to its horizontal center position, and sprue is connected by transition runner 121 straight down.First-class guidance tape 11
Another outlet be arranged on the bottom of T-shape runner 111, communicated with the entrance level of second guidance tape 12, second guidance tape 12
Entrance extends to its horizontal center position, and sprue is connected by transition runner 121 straight up.
As shown in figure 5, sprue is right-angled intersection runner, including vertical runner 124 and horizontal run 125, vertical runner
124 and the cross section of horizontal run 125 be rectangle structure, the upper and lower ends of vertical runner 124 connect with transition runner 121
Connect, the centre position of vertical runner 124 sets the horizontal run 125 extended to both sides, the width w3 of vertical runner, horizontal run
Width w4, the length L3 of vertical runner and the length L4 of horizontal run meet following relation：W3=w4, L4 ＞ L3 >=8w3.
By fluid speed measurement optical system, by the trace particle in high-speed CCD camera stream field at different moments
Movement locus is taken pictures, and pictorial information then is transferred into computer data analysis system, passes through the data processing in software
The speed of fluid in flow field can be obtained with algorithm；By flow field stress measurement optical system, the monochrome that laser is launched is swashed
Visualization form template, reaches the fluid in particular flow unit before light beam passes through, and form template is visualized after then passing through again,
Can observes the birefringent phenomenon of flow of fluid induction, so as to obtain the stress equivalence bar graph of complex fluid in flow field
Case, shoot pattern using high-speed CCD camera and be transferred to computer system.
Embodiment 3：
As Figure 1-3, a kind of fluid flow state research device, including temperature sensor 80, pressure sensor 90, meter
Calculation machine data analysis system 40, fluid speed measurement optical system, flow field stress measurement optical system and for Study of Fluid flow shape
The flow-path module 10 of state；Fluid speed measurement optical system includes one-wavelength laser transmitter 20, trace particle, high-speed CCD camera 30,
Stress measurement optical system in flow field includes one-wavelength laser transmitter 20, -45 ° of polarizers 50, quarter wave plate 70 (2) ,+45 ° of analyzings
Mirror 60 and high-speed CCD camera 30；Flow-path module 10 for Study of Fluid flow regime includes first-class guidance tape 11, second
Guidance tape 12, access panel, the entrance of first-class guidance tape 11 are connected with cross-head, the entrance and first flow of second guidance tape 12
The outlet of plate 11 coordinates, and flow-path module is extended in the outlet of second guidance tape 12, and access panel is separately positioned on second guidance tape 12
Forward and backward and top；Temperature sensor 80, pressure sensor 90 connect with the fluid in second guidance tape 12 in flow-path module respectively
Touch, the opposite side installation side plate 14 of second guidance tape 12, pressure sensor 90 is arranged on side plate 14；Fluid speed measurement optical system
One-wavelength laser transmitter 20 is arranged on the upper end of 12 top access panel of second guidance tape 133, and high-speed CCD camera 30 is arranged on second
The preceding front end of access panel 131 of runner plate or the rear end of rear access panel 132；The one-wavelength laser transmitter 20 of flow field stress measurement optical system
The front end of access panel 131 before second guidance tape is arranged on, high-speed CCD camera is arranged on the rear rear end of access panel 132.
The runner that can coordinate with second guidance tape 12 and outlet are set on first-class guidance tape 11, first-class guidance tape 11
Entrance is arranged on its vertical center, and entrance in the horizontal direction, and descends extension to form T-shape runner 111 upwards.First flow
The outlet of plate 111 is arranged on T-shape runner 111 topmost, is communicated with the entrance level of second guidance tape 12, second guidance tape
121 entrances extend to its horizontal center position, and sprue is connected by transition runner 121 straight down.
As shown in fig. 6, sprue is peripheral flow runner, including be connected with transition runner 121 around post runner 126, around
The cross section of post runner 126 is rectangle, and a cylinder 217 is set in post runner 126, and cylinder 217 is supported on access panel,
Meet following relation around post width of flow path w5, cylinder diameter d6, its center line and main channel outlet distance L5：w5≥
2d6, L5 >=10d6.
By fluid speed measurement optical system, by the trace particle in high-speed CCD camera stream field at different moments
Movement locus is taken pictures, and pictorial information then is transferred into computer data analysis system, passes through the data processing in software
The speed of fluid in flow field can be obtained with algorithm；By flow field stress measurement optical system, the monochrome that laser is launched is swashed
Visualization form template, reaches the fluid in particular flow unit before light beam passes through, and form template is visualized after then passing through again,
Can observes the birefringent phenomenon of flow of fluid induction, so as to obtain the stress equivalence bar graph of complex fluid in flow field
Case, shoot pattern using high-speed CCD camera and be transferred to computer system.
Embodiment 4：
As Figure 1-3, a kind of fluid flow state research device, including temperature sensor 80, pressure sensor 90, meter
Calculation machine data analysis system 40, fluid speed measurement optical system, flow field stress measurement optical system and for Study of Fluid flow shape
The flow-path module 10 of state；Fluid speed measurement optical system includes one-wavelength laser transmitter 20, trace particle, high-speed CCD camera 30,
Stress measurement optical system in flow field includes one-wavelength laser transmitter 20, -45 ° of polarizers 50, quarter wave plate 70 (2) ,+45 ° of analyzings
Mirror 60 and high-speed CCD camera 30；Flow-path module 10 for Study of Fluid flow regime includes first-class guidance tape 11, second
Guidance tape 12, access panel, the entrance of first-class guidance tape 11 are connected with cross-head, the entrance and first flow of second guidance tape 12
The outlet of plate 11 coordinates, and flow-path module is extended in the outlet of second guidance tape 12, and access panel is separately positioned on second guidance tape 12
Forward and backward and top；Temperature sensor 80, pressure sensor 90 connect with the fluid in second guidance tape 12 in flow-path module respectively
Touch, the opposite side installation side plate 14 of second guidance tape 12, pressure sensor 90 is arranged on side plate 14；Fluid speed measurement optical system
One-wavelength laser transmitter 20 is arranged on the upper end of 12 top access panel of second guidance tape 133, and high-speed CCD camera 30 is arranged on second
The preceding front end of access panel 131 of runner plate or the rear end of rear access panel 132；The one-wavelength laser transmitter 20 of flow field stress measurement optical system
The front end of access panel 131 before second guidance tape is arranged on, high-speed CCD camera is arranged on the rear rear end of access panel 132.
The runner that can coordinate with second guidance tape 12 and outlet are set on first-class guidance tape 11, first-class guidance tape 11
Entrance is arranged on its vertical center, and entrance in the horizontal direction, and descends extension to form T-shape runner 111 upwards.First flow
The outlet of plate 111 is arranged on T-shape runner 111 topmost, is communicated with the entrance level of second guidance tape 12, second guidance tape
121 entrances extend to its horizontal center position, and sprue is connected by transition runner 121 straight down.
As shown in FIG. 7 and 8, sprue is that prism streams runner, including be connected with transition runner 121 around post runner 126,
It is rectangle around the cross section of post runner 126, a prism 217 is set in post runner 126, prism 217 is supported on access panel
On, meet following relation around post width of flow path w6, prism side length b, prism section base and main channel outlet distance L6：w6≥
2b, L6 >=15b.Prism is triangular prism or quadrangular.
By fluid speed measurement optical system, by the trace particle in high-speed CCD camera stream field at different moments
Movement locus is taken pictures, and pictorial information then is transferred into computer data analysis system, passes through the data processing in software
The speed of fluid in flow field can be obtained with algorithm；By flow field stress measurement optical system, the monochrome that laser is launched is swashed
Visualization form template, reaches the fluid in particular flow unit before light beam passes through, and form template is visualized after then passing through again,
Can observes the birefringent phenomenon of flow of fluid induction, so as to obtain the stress equivalence bar graph of complex fluid in flow field
Case, shoot pattern using high-speed CCD camera and be transferred to computer system.
Claims (8)
- A kind of 1. flow-path module for Study of Fluid flow regime, it is characterised in that：Including first-class guidance tape, second flow channel Plate, access panel, the entrance of first-class guidance tape are connected with cross-head, the outlet of the entrance of second guidance tape and first-class guidance tape Coordinate, flow-path module is extended in the outlet of second guidance tape, and access panel is separately positioned on the forward and backward and top of second guidance tape；The second guidance tape can set the runner of a variety of geometries according to demand, and research complex fluid is in stretching and shearing group When collaborating rheological behaviour in field, only second guidance tape need to be changed；The entrance of first-class guidance tape is arranged on its vertical center, and entrance in the horizontal direction, and descends extension to form T-shape upwards Runner；The outlet of first-class guidance tape is arranged on T-shape runner topmost, is communicated with the entrance level of second guidance tape, second flow channel Plate entrance extends to its horizontal center position, and sprue is connected by transition runner straight down；The sprue of second guidance tape is contracted channel, peripheral flow runner, prism stream runner or right-angled intersection runner；Can be real A variety of liquid forms of existing fluid.
- A kind of 2. flow-path module for Study of Fluid flow regime as claimed in claim 1, it is characterised in that：Sprue is Contracted channel, including the upper runner and lower flow channel to interpenetrate, upper runner are connected with transition runner, and lower flow channel extends to second The cross section of the outlet of guidance tape, upper runner and lower flow channel is rectangle structure, upper runner cross-sectional width w1 and lower flow channel section Width w2 meets following relation：W1 >=4w2, upper runner length L1 and second guidance tape thickness δ meet following relation：L1≥8 δ, lower flow channel length L2 and lower flow channel cross-sectional width w2 meet following relation：L2≥10w2.
- A kind of 3. flow-path module for Study of Fluid flow regime as claimed in claim 1, it is characterised in that：Sprue is Peripheral flow runner, including be connected with transition runner around post runner, be rectangle around the cross section of post runner, in post runner One cylinder is set, and cylindrical body supports are on access panel, in the cross-sectional width w5, cylinder diameter d6, cylinder of post runner Heart line meets following relation with main channel outlet distance L5：W5 >=2d6, L5 >=10d6.
- A kind of 4. flow-path module for Study of Fluid flow regime as claimed in claim 1, it is characterised in that：Sprue is Prism streams runner, including be connected with transition runner around post runner, be rectangle around the cross section of post runner, in post runner One prism is set, and prism is supported on access panel, around post flow channel cross-section width w6, prism side length b, prism section base Meet following relation with main channel outlet distance L6：W6 >=2b, L6 >=15b；Prism is triangular prism or quadrangular.
- A kind of 5. flow-path module for Study of Fluid flow regime as claimed in claim 1, it is characterised in that：First flow Another outlet of plate is arranged on T-shape runner bottom, is communicated with the entrance level of second guidance tape, and second guidance tape entrance prolongs Its horizontal center position is extended, sprue is connected by transition runner straight up.
- A kind of 6. flow-path module for Study of Fluid flow regime as claimed in claim 5, it is characterised in that：Sprue is The cross section of right-angled intersection runner, including vertical runner and horizontal run, vertical runner and horizontal run is rectangle structure, The upper and lower ends of vertical runner are connected with transition runner, and the centre position of vertical runner sets the level stream extended to both sides Road, the width w3 of vertical runner, the width w4 of horizontal run, the length L4 of the length L3 of vertical runner and horizontal run meet such as Lower relation：W3=w4, L4 ＞ L3 >=8w3.
- 7. a kind of fluid flow state research device, including temperature sensor, pressure sensor, computer data analysis system, Fluid speed measurement optical system and flow field stress measurement optical system, it is characterised in that：Also include as described in claim 1-6 is any Flow-path module, the runner of temperature sensor, pressure sensor respectively with second guidance tape in flow-path module contacts, fluid speed measurement Optical system and flow field stress measurement optical system coordinate with flow-path module respectively.
- A kind of 8. fluid flow state research device as claimed in claim 7, it is characterised in that：Fluid speed measurement optical system Laser is arranged on second guidance tape top access panel upper end, and camera observes front edge of board or rear sight before being arranged on second guidance tape Examine plate rear end；The laser of flow field stress measurement optical system observes front edge of board before being arranged on second guidance tape, and camera is set In rear access panel rear end.
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| CN105699254A (en) * | 2016-03-25 | 2016-06-22 | 青岛科技大学 | Method and integrated template for studying flow condition of micro-scale flow field |
| CN105891049B (en) * | 2016-04-13 | 2018-11-23 | 青岛科技大学 | A kind of method and slit rheometer of Study of Fluid rheological behaviour |
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