CN114441200A - Staggered inlet-outlet topological structure heat exchanger and fluid flow heat exchange experimental device - Google Patents
Staggered inlet-outlet topological structure heat exchanger and fluid flow heat exchange experimental device Download PDFInfo
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Abstract
The invention discloses a staggered inlet and outlet topological structure heat exchanger and a fluid flow heat exchange experimental device, which comprise a heat exchange main body, wherein a topological reticular fluid channel is arranged in the heat exchange main body, the topological reticular fluid channel is divided into a plurality of flow channel branches through a plurality of turbulence columnar bodies, and fluids in the flow channel branches can mutually circulate to form a complete topological reticular fluid channel; the heat exchange main body is provided with a plurality of fluid inlets and outlets, and the fluid inlets and outlets are communicated with the topological reticular fluid channels; the shape and arrangement of the turbulence columnar bodies in the staggered inlet and outlet topological structure heat exchanger are constrained by the topological structure, so that the distribution of fluid and solid is more uniform, the material flow-solid ratio distribution and the whole width distribution of the flow channels of the heat exchanger are more reasonable, the flow direction of liquid is changed by each flow channel branch through the steering of the turbulence columnar bodies, the turbulence in the fluid is increased, and the heat dissipation process of the fluid is accelerated.
Description
Technical Field
The invention relates to the technical field of heat exchangers, in particular to a staggered inlet and outlet topological structure heat exchanger and a fluid flow heat exchange experimental device.
Background
The aluminum alloy box body of the microwave liquid cooling assembly is a key device of the radar system, and plays a role in providing a mounting carrier and radiating for the high-density microwave module, so that the effective operation of the radar system is ensured. The service life of the radar system is generally more than ten years, so the long-term reliability of the aluminum alloy box body of the microwave liquid cooling assembly is an important performance index. The main failure mode of the aluminum alloy box body of the existing microwave liquid cooling assembly is corrosion failure; or corrosion products block the liquid cooling pipeline to reduce the cooling effect, so that the liquid cooling pipeline is cooled badly and fails. In order to improve the corrosion resistance of the aluminum alloy box body of the microwave liquid cooling assembly and ensure the conductivity of the structure, the outer surface of the aluminum alloy box body and the inner surface of the flow channel are required to be subjected to conductive oxidation.
At present, a water channel oxidation machine for the chemical oxidation of a microwave box body liquid cooling water channel is special equipment, can only carry out chemical oxidation processing on the same type of microwave box body liquid cooling water channel, and is low in applicability.
In view of the above-mentioned drawbacks, the inventors of the present invention have finally obtained the present invention through a long period of research and practice.
Disclosure of Invention
In order to solve the technical defects, the technical scheme adopted by the invention is that the heat exchanger with the staggered inlet and outlet topological structure comprises a heat exchange main body, wherein a topological reticular fluid channel is arranged in the heat exchange main body, the topological reticular fluid channel is divided into a plurality of flow channel branches through a plurality of turbulence columnar bodies, and fluids in the flow channel branches can mutually circulate to form a complete topological reticular fluid channel; the heat exchange main body is provided with a plurality of fluid inlets and outlets, and the fluid inlets and outlets are communicated with the topological reticular fluid channels.
Preferably, the heat exchange main body is of a cuboid structure and comprises two parallel positive end faces and a side end face arranged between the two positive end faces in a surrounding mode, and the heat exchange main body is distributed along the central line in an up-and-down symmetrical mode.
Preferably, the fluid inlet and outlet includes an inlet and an outlet, and the inlet and the outlet are disposed on the front end surface and the side end surface.
Preferably, two pairs of the outlets and one pair of the inlets are symmetrically arranged on the side end face, and the inlet is arranged between the two outlets.
Preferably, the front end face is provided with two inlets and one outlet, the fluid inlet and the fluid outlet on the front end face are arranged along the central line of the heat exchange main body, and the outlet is arranged between the two inlets.
Preferably, the heat exchange main body comprises a base body and a cover plate, wherein a cavity with an opening is formed in the base body, the turbulence column is arranged in the cavity, and the cover plate is sealed and arranged on the opening, so that the topological mesh-shaped fluid channel is formed in the cavity.
Preferably, the fluid flow heat exchange experimental device comprises a precision peristaltic pump, a driving circulating water bath and an experimental test area, wherein the experimental test area comprises the staggered inlet and outlet topological structure heat exchanger, the precision peristaltic pump is arranged between the driving circulating water bath and the experimental test area, and the other end of the experimental test area is connected to a circulating liquid receiving port of the driving circulating water bath through a pipeline.
Preferably, the fluid flow heat exchange experimental device further comprises a check valve, and the check valve is arranged between the precision peristaltic pump and the experimental test area.
Preferably, the experimental test area further comprises a temperature data acquisition instrument, a digital display pressure gauge, a heating system and a fully-wrapped type diversity flow converter, the precision peristaltic pump is communicated with the inlet of the staggered type inlet and outlet topological structure heat exchanger through a water inlet of the fully-wrapped type diversity flow converter, and the driving circulating water bath is communicated with the outlet of the staggered type inlet and outlet topological structure heat exchanger through a water outlet of the fully-wrapped type diversity flow converter;
the heating system comprises a direct-current power supply and a heat source, wherein the heat source is connected with the direct-current power supply, the heat source is arranged on the bottom end face of the staggered inlet-outlet topological structure heat exchanger, the temperature data acquisition instrument is respectively connected with a first water outlet, a third water outlet, a first water inlet and the heat source of the fully-wrapped type diversity current converter, and the pressure gauge is respectively connected with a first water outlet and a second water inlet of the fully-wrapped type diversity current converter.
Preferably, the fully-wrapped type diversity flow converter comprises four water inlets and four water inlet cavities, all the water inlet cavities correspond to the inlets, the four water inlets of the fully-wrapped type diversity flow converter are all arranged at the central positions of the water inlet cavities, one ends of the four water inlets are connected with the precision peristaltic pumps through pipelines, and the other ends of the four water inlets are respectively connected with one inlet in a one-to-one correspondence manner;
the fully-wrapped type diversity current converter comprises five water outlets and five water outlet cavities, all the water outlet cavities correspond to the outlets, the five water outlets of the fully-wrapped type diversity current converter are arranged at the central positions of the water outlet cavities, one end of each of the five water outlets is connected with one outlet in a one-to-one correspondence mode, and the other end of each water outlet is connected with the driving circulating water bath through a pipeline.
Compared with the prior art, the invention has the beneficial effects that: the shape and the arrangement of the turbulence columnar bodies in the staggered inlet and outlet topological structure heat exchanger are constrained by the topological structure, so that the distribution of fluid and solid is more uniform, the material-to-solid ratio distribution and the whole width distribution of the flow channels of the heat exchanger are more reasonable, the flow direction of liquid is changed by the diversion of each flow channel branch through the turbulence columnar bodies, the turbulence in the fluid is increased, and the heat dissipation process of the fluid is accelerated; 2, the staggered multiple inlets and multiple outlets realize the reduction of pressure drop and the uniform distribution of fluid speed, can improve the heat exchange performance and the temperature equalization performance of the heat exchanger, can meet the heat dissipation requirement of a high-load electronic chip, and provides a reliable temperature environment for electronic devices; 3, the fluid flow heat exchange experimental device can quickly detect the heat exchange effect of the heat exchanger; 4, the invention designs a fully-wrapped type diversity flow converter, which can facilitate the connection of an external pipeline and a topological structure heat exchanger and ensure the uniform distribution of the flow of four inlets and five outlets of the staggered inlet-outlet heat exchanger; 5, the inlet and outlet topological structure heat exchanger and fluid flow heat exchange experimental system during staggering has the advantages of simple structure, low processing cost, low experimental difficulty and high efficiency.
Drawings
Fig. 1 is a perspective view of the staggered inlet and outlet topology heat exchanger;
FIG. 2 is a structural view of the cover plate;
FIG. 3 is a structural view of the topologically reticulated fluid channel;
FIG. 4 is a structural view of the experimental apparatus for heat exchange by fluid flow;
fig. 5 is a front perspective view of the fully wrapped diversity stream converter;
fig. 6 is a rear perspective view of the fully wrapped diversity stream converter;
fig. 7 is a structural view of the fully wrapped diversity stream converter.
The figures in the drawings represent:
1-a substrate; 2-cover plate; 3-an inlet; 4-an outlet; 5-base body cover plate screw connecting hole; 6-topological mesh fluid channels; 7-a burbling columnar body; 8-precision peristaltic pump; 9-driving a circulating water bath; 10-a pipeline; 11-a heat exchanger with a staggered inlet and outlet topological structure; 12-a temperature data acquisition instrument; 13-digital display pressure gauge; 14-a direct current power supply; 15-a fully wrapped diversity stream converter; 16-a heat source; 17-a flow stop valve; 18-a first water outlet; 19-a first water inlet; 20-a second water outlet; 21-a second water inlet; 22-a second water inlet; 23-a third water inlet; 24-a third water outlet; 25-a fourth water inlet; 26-a fifth water outlet; 27-a water outlet cavity; 28-water inlet chamber.
Detailed Description
The above and further features and advantages of the present invention are described in more detail below with reference to the accompanying drawings.
Example one
As shown in fig. 1 to 3, fig. 1 is a perspective structural view of the staggered inlet-outlet topology heat exchanger; FIG. 2 is a structural view of the cover plate; FIG. 3 is a structural view of the topologically reticulated fluid channel; the staggered inlet and outlet topological structure heat exchanger comprises a heat exchange main body, wherein a topological mesh-shaped fluid channel 6 is arranged in the heat exchange main body, the topological mesh-shaped fluid channel 6 is divided into a plurality of flow channel branches through a plurality of turbulence columnar bodies 7, and fluids in the flow channel branches can mutually circulate to finally form a complete topological mesh-shaped fluid channel 6; the heat exchange main body is provided with a plurality of fluid inlets and outlets, and the fluid inlets and outlets are communicated with the topological reticular fluid channels 6.
Preferably, the cross section of the fluid inlet and the fluid outlet is rectangular.
The heat transfer main part sets up to the cuboid structure, includes two parallel positive terminal surfaces and encloses and establishes two side end face between the positive terminal surface, fluid import and export including entry 3 and export 4, the positive terminal surface with the side end face all is provided with entry 3 with export 4.
Specifically, two pairs of the outlets 4 and one pair of the inlets 3 are symmetrically arranged on the side end face, and the inlets 3 are arranged between the two outlets 4.
The front end face is provided with two inlets 3 and one outlet 4, the fluid inlets and the fluid outlets on the front end face are arranged along the central line of the heat exchange main body, and the outlet 4 is arranged between the two inlets 3.
Preferably, the heat exchange main body comprises a base body 1 and a cover plate 2, a cavity with an opening is formed in the base body 1, the turbulence column-shaped body 7 is arranged in the cavity, the cover plate 2 is arranged on the opening in a sealing manner, so that the topological reticular fluid channel 6 is formed in the cavity, and the whole structure of the base body 1 is distributed up and down symmetrically along the central line.
Preferably, the base body 1 and the cover plate 2 are both provided with base body cover plate screw connecting holes 5, and screws are detachably connected with the base body 1 and the cover plate 2 through the base body cover plate screw connecting holes 5.
Specifically, the cover plate 2 is attached to four sides of the upper side of the base body 1, the surface of the topological structure heat exchanger is provided with a plurality of fluid inlets and outlets, the fluid inlets and outlets include four inlets 3 and five outlets 4, the base body 1 is provided with a topological reticular fluid channel 6, the topological reticular fluid channel 6 is divided into a plurality of flow channel branches through a plurality of turbulence columnar bodies 7, fluid in each flow channel branch can mutually circulate, all the flow channels form a complete passage, and the inlets 3 and the outlets 4 are communicated with the topological reticular fluid channel 6.
Specifically, the overall structure of base member 1 distributes along central line longitudinal symmetry, the 1 left and right sides face of base member is provided with the rectangle respectively and imports and exports, the rectangle is imported and exports six totally, and wherein the left and right sides is provided with three import and export parallel arrangement respectively, is entry 3 sets up in the middle of locating, export 4 sets up in both ends department.
The top of the cover plate 2 is provided with three rectangular inlets and outlets which are vertically arranged along a central line and comprise two inlets 3 and one outlet 4, wherein the inlets 3 are arranged at two ends, the outlet 4 is arranged in the middle, and the rectangular inlets and outlets at the top of the cover plate 2 are the same as the rectangular inlets and outlets at the side of the base body 1 in size.
The topological mesh-shaped fluid channel 6 is distributed along the center line of the base body 1 in a bilateral symmetry manner, the base body 1 on the left side and the right side is divided into a plurality of flow channel branches by a plurality of turbulence columnar bodies 7 in different shapes, the heights of the turbulence columnar bodies 7 are kept consistent and are the same as the heights of the base body 1, wherein fluid in each flow channel branch can flow mutually, and the inlets and the outlets are communicated through the flow channels.
Example two
As shown in fig. 4, fig. 4 is a structural view of the experimental apparatus for fluid flow heat exchange; the fluid flow heat exchange experimental device comprises a precision peristaltic pump 8, a driving circulating water bath 9 and an experimental test area, wherein the experimental test area comprises the staggered inlet and outlet topological structure heat exchanger 11, the precision peristaltic pump 8 is connected between the driving circulating water bath 9 and the experimental test area, and the other end of the experimental test area is connected back to a circulating liquid receiving port of the driving circulating water bath 9 through a pipeline 10.
Preferably, the fluid flow heat exchange experimental device further comprises a check valve 17, and the check valve 17 is arranged between the precision peristaltic pump 8 and the experimental test area.
The experimental test area also comprises a temperature data acquisition instrument 12, a digital display pressure gauge 13, a heating system and a fully-wrapped type diversity flow converter 15, wherein one end of a water inlet end of the fully-wrapped type diversity flow converter 15 is connected with the precision peristaltic pump 8 through a pipeline 10, the other end of a water inlet end of the fully-wrapped type diversity flow converter 15 is connected with the staggered type inlet and outlet topological structure heat exchanger 11 through a pipeline 10, the other end of the staggered type inlet and outlet topological structure heat exchanger 11 is connected with the fully-wrapped type diversity flow converter 15 through a pipeline 10, the other end of a water outlet of the fully-wrapped type diversity flow converter 15 is connected with the driving circulating water bath 9 through a pipeline 10,
the heating system comprises a direct current power supply 14 and a heat source 16, wherein the heat source 16 is connected with the direct current power supply 14, the heat source 16 is arranged on the bottom end face of the staggered inlet-outlet topological structure heat exchanger 11, the temperature data acquisition instrument 12 is respectively connected with a first water outlet 18, a third water outlet 22, a first water inlet 19 of the fully-wrapped type diversity current converter 15 and the heat source 16, and the pressure gauge 13 is respectively connected with a first water outlet 18 and a second water inlet 21 of the fully-wrapped type diversity current converter 15.
As shown in fig. 5 to 7, fig. 5 is a front perspective view of the fully wrapped diversity stream converter; fig. 6 is a rear perspective view of the fully wrapped diversity stream converter; fig. 7 is a structural view of the fully wrapped diversity stream converter; the fully-wrapped diversity flow converter 15 comprises four water inlets and four water inlet cavities 28, wherein all the water inlet cavities 28 correspond to the inlets 3, the four water inlets of the fully-wrapped diversity flow converter 15 are arranged at the central positions of the water inlet cavities 28, one ends of the four water inlets are connected with the precision peristaltic pumps 8 through pipelines 10, and the other ends of the four water inlets are respectively connected with the inlets 3 in a one-to-one correspondence manner.
The fully-wrapped diversity current converter 15 comprises five water outlets and five water outlet cavities 27, wherein all the water outlet cavities 27 correspond to the outlets 4, the five water outlets of the fully-wrapped diversity current converter 15 are arranged at the central positions of the water outlet cavities 27, one end of each of the five water outlets is correspondingly connected with one of the outlets 4, and the other end of each water outlet is connected with the driving circulating water bath 9 through a pipeline 10.
Preferably, the heat source 16 comprises a plurality of thick film resistors, wherein the heat source 16 is coated with a thermally insulating material on each of the surfaces except the surface in contact with the interleaved inlet/outlet topology heat exchanger 11 through thermally conductive silicone.
The working principle of the invention is as follows:
the staggered inlet and outlet topological structure heat exchanger comprises a base body and a cover plate, wherein the cover plate is attached to four edges of the upper side of the base body, the base body is provided with a topological reticular fluid channel, the topological reticular fluid channel is divided into a plurality of flow channel branches through a plurality of turbulence columnar bodies, fluids in each flow channel branch can mutually circulate, and finally all the flow channels form a complete passage.
The invention provides a fluid flow heat exchange experimental device for the staggered inlet and outlet topological structure heat exchanger, which comprises a precise peristaltic pump 26, a driving circulating water bath 25 and an experimental test area, wherein the experimental test area comprises the staggered inlet and outlet topological structure heat exchanger 22, a temperature data acquisition instrument 21, a digital display pressure gauge 28, a heating system and a fully-wrapped type diversity flow converter, cooling liquid is divided into 4 branch flows through a water inlet 29 of the fully-wrapped type diversity flow converter, flows into the staggered inlet and outlet topological structure heat exchanger 22 from 4 water inlet cavities, flows out from 5 water outlets of a water outlet 23 of the fully-wrapped type diversity flow converter, and is converged into one branch flow which flows into the driving circulating water bath 25. The invention provides a method for the fluid to enter and exit from the heat exchanger 22 with a staggered inlet and outlet topological structure, the driving circulating water bath can be rapidly heated or cooled, the inlet temperature is ensured to be a required value, the liquid flows out and flows into the driving circulating water bath 25, and a circulating system is integrally formed.
The cooling liquid in the driving circulating water bath tank flows through the first check valve under the driving of the peristaltic pump, is injected into an experimental test area through the full-wrapping type diversity flow converter, flows into five outlets in the staggered inlet-outlet topological structure heat exchanger with the heat source from four water inlets, flows out of the experimental test area through the water outlets of the full-wrapping type diversity flow converter, and finally flows into the driving circulating water bath tank to realize circulation; in the process, the heating system is started, the loaded heat flow density is adjusted to a required value, after the pressure gauge and the temperature data acquisition instrument are stabilized, each temperature value and each pressure value can be read, the temperature of the cooling liquid can be increased after the cooling liquid passes through the staggered inlet-outlet topological structure heat exchanger loaded with the heat source, and the cooling liquid can be cooled by driving the circulating water bath, so that the temperature of the cooling liquid is reduced to the inlet temperature for secondary use.
The experimental test area of the invention adopts a heat source 30 to uniformly heat, a thick film resistor is used as an external heat source to measure the temperature of the inlet and the outlet of the heat exchanger with the staggered inlet and outlet topological structure, the temperature of the heating surface of the heat exchanger with the staggered inlet and outlet topological structure, the Knudel number of the heat exchanger with the staggered inlet and outlet topological structure can be calculated according to the heat flux density provided by the heat source, the average temperature of the fluid inlet and outlet and the temperature of the heating surface of the heat exchanger with the staggered inlet and outlet topological structure, and the pressure at two ends of the test section is measured by a pressure gauge to obtain the flow resistance parameter of the heat exchanger with the staggered inlet and outlet topological structure.
The four water inlets and the five water outlets of the fully-packaged type flow dividing and collecting converter are connected with the water inlets and the water outlets of the staggered inlet-outlet topological structure heat exchanger through the inlet-outlet cavities, the liquid tightness can be improved through the design, and the liquid can be guaranteed to fully develop and flow at the inlet and the outlet.
The bottom surface of the substrate of the staggered inlet and outlet topological structure heat exchanger is loaded with a heat source, required heat flux density is provided for the staggered inlet and outlet topological structure heat exchanger, the heat source is composed of a plurality of thick film resistors, heat is transferred to a heating surface of the topological structure heat exchanger through heat conducting silica gel, the heat flux density can be controlled by the number of the thick film resistors on one hand and can be controlled by adjusting current on the other hand, and in order to reduce heat loss, the surfaces of the heat source, except the surfaces contacting with the topological structure heat exchanger, are all covered with insulating materials.
The temperature data collector needs to measure the temperature of three parts: the temperature of the cooling liquid at the inlet of the staggered inlet-outlet topological structure heat exchanger, the temperature of the cooling liquid at the outlet of the staggered inlet-outlet topological structure heat exchanger and the temperature of the heating surface of the staggered inlet-outlet topological structure heat exchanger are all tested by adopting thermocouples, all the thermocouples are connected to a temperature data acquisition instrument, and the temperature values of all points can be displayed on the temperature data acquisition instrument.
The staggered inlet and outlet topological structure heat exchanger is provided with a topological mesh flow channel which is vertically and symmetrically distributed along a central line, the topological mesh flow channel is divided into a plurality of flow channel branches by a plurality of turbulence columnar bodies, wherein fluid in each flow channel branch can mutually circulate, and finally all the flow channels form a complete passage, the shape and the arrangement of the turbulence columnar bodies are restrained by a topological structure, so that the distribution of the fluid and the solid is more uniform, the material flow-solid ratio distribution and the whole width distribution of the flow channels of the heat exchanger are more reasonable, the flow direction of the liquid is changed by the diversion of each flow channel branch through the turbulence columnar bodies, the turbulence in the fluid is increased, and the heat dissipation process of the fluid is accelerated. The topological structure heat exchanger is provided with three groups of parallel staggered inlets and outlets, wherein the three groups of parallel staggered inlets and outlets comprise four inlets and five outlets, fluid initially enters from the four inlets and flows to the five outlets, the staggered multi-inlet multi-outlet realizes the uniform distribution of pressure drop reduction and fluid speed, the heat exchange performance and the temperature equalization performance of the heat exchanger can be improved, the heat dissipation requirement of a high-load electronic chip can be met, and a reliable temperature environment is provided for electronic devices.
The fluid flow heat exchange experimental device comprises a precise peristaltic pump, a driving circulating water bath and an experimental test area, wherein the experimental test area comprises a staggered inlet-outlet topological junction heat exchanger, the precise peristaltic pump is connected between the driving circulating water bath and the experimental test area, the other end of the experimental test area is connected back to a circulating liquid receiving port of the driving circulating water bath through a hose line, the experimental test area further comprises a temperature data acquisition instrument, a digital display pressure gauge, a heating system and a fully-wrapped type diversity converter, and the fluid flow heat exchange experimental device can rapidly detect the heat exchange effect of the heat exchanger.
The invention designs the fully-wrapped branch flow converter, can facilitate the connection of an external pipeline and a topological structure heat exchanger, can ensure the uniform distribution of the flow at four inlets and five outlets of the staggered inlet-outlet heat exchanger, and has the advantages of simple structure, low processing cost, low experiment difficulty and high efficiency of a fluid flow heat exchange experiment system.
The foregoing is merely a preferred embodiment of the invention, which is intended to be illustrative and not limiting. It will be understood by those skilled in the art that various changes, modifications and equivalents may be made therein without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (10)
1. A staggered inlet-outlet topological structure heat exchanger is characterized by comprising a heat exchange main body, wherein a topological mesh-shaped fluid channel is arranged in the heat exchange main body, the topological mesh-shaped fluid channel is divided into a plurality of flow channel branches through a plurality of turbulence columnar bodies, and fluids in the flow channel branches can mutually circulate to form a complete topological mesh-shaped fluid channel; the heat exchange main body is provided with a plurality of fluid inlets and outlets, and the fluid inlets and outlets are communicated with the topological reticular fluid channels.
2. The staggered inlet-outlet topological structure heat exchanger according to claim 1, wherein the heat exchange body is configured as a rectangular parallelepiped structure and includes two parallel positive end surfaces and a side end surface enclosed between the two positive end surfaces, and the whole structure of the heat exchange body is distributed up and down symmetrically along a center line.
3. The interleaved inlet-outlet topology heat exchanger according to claim 2, wherein said fluid inlet-outlet comprises an inlet and an outlet, said inlet and said outlet being disposed on both said face end face and said side end face.
4. The staggered inlet-outlet topology heat exchanger of claim 3, wherein two pairs of said outlets and one pair of said inlets are symmetrically disposed on said side end surface, and said inlets are disposed between said outlets.
5. The interleaved inlet-outlet topology heat exchanger according to claim 4, wherein said front face has two said inlets and one said outlet, said fluid inlet and outlet on said front face being arranged along a centerline of said heat exchange body, said outlet being disposed between said two inlets.
6. The staggered inlet-outlet topology heat exchanger of claim 5, wherein said heat exchange body comprises a base body having a cavity with an opening therein, and a cover plate having a sealing cover over said opening to form said topologically reticulated fluid channel at the location of said cavity.
7. An experimental device for heat exchange of fluid flow, which is characterized by comprising a precision peristaltic pump, a driving circulating water bath and an experimental test area, wherein the experimental test area comprises the staggered inlet-outlet topological structure heat exchanger as claimed in claim 5 or 6, the precision peristaltic pump is arranged between the driving circulating water bath and the experimental test area, and the other end of the experimental test area is connected to a circulating liquid receiving port of the driving circulating water bath through a pipeline.
8. The fluid flow heat exchange assay device of claim 7, further comprising a check valve disposed between the precision peristaltic pump and the assay test zone.
9. The fluid flow heat exchange experimental apparatus according to claim 7, wherein the experimental test area further comprises a temperature data acquisition instrument, a digital display pressure gauge, a heating system, and a fully-wrapped type diversity flow converter, the precision peristaltic pump is communicated with the inlet of the staggered inlet-outlet topological structure heat exchanger through a water inlet of the fully-wrapped type diversity flow converter, and the driving circulating water bath is communicated with the outlet of the staggered inlet-outlet topological structure heat exchanger through a water outlet of the fully-wrapped type diversity flow converter;
the heating system comprises a direct-current power supply and a heat source, wherein the heat source is connected with the direct-current power supply, the heat source is arranged on the bottom end face of the staggered inlet-outlet topological structure heat exchanger, the temperature data acquisition instrument is respectively connected with a first water outlet, a third water outlet, a first water inlet and the heat source of the fully-wrapped type diversity current converter, and the pressure gauge is respectively connected with a first water outlet and a second water inlet of the fully-wrapped type diversity current converter.
10. The experimental apparatus for fluid flow heat exchange according to claim 9, wherein the fully wrapped type flow dividing and collecting converter comprises four water inlets and four water inlet cavities, all the water inlet cavities correspond to the inlets, the four water inlets of the fully wrapped type flow dividing and collecting converter are all arranged at the center of the water inlet cavities, one ends of the four water inlets are connected with the precision peristaltic pump through pipelines, and the other ends of the four water inlets are respectively connected with one inlet in a one-to-one correspondence manner;
the fully-wrapped type diversity current converter comprises five water outlets and five water outlet cavities, all the water outlet cavities correspond to the outlets, the five water outlets of the fully-wrapped type diversity current converter are arranged at the central positions of the water outlet cavities, one end of each of the five water outlets is connected with one outlet in a one-to-one correspondence mode, and the other end of each water outlet is connected with the driving circulating water bath through a pipeline.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110743243.4A CN114441200A (en) | 2021-06-30 | 2021-06-30 | Staggered inlet-outlet topological structure heat exchanger and fluid flow heat exchange experimental device |
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| CN202110743243.4A CN114441200A (en) | 2021-06-30 | 2021-06-30 | Staggered inlet-outlet topological structure heat exchanger and fluid flow heat exchange experimental device |
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| CN114441200A true CN114441200A (en) | 2022-05-06 |
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