CN117663882A - Novel parameterized header applied to parallel flow channel radiator - Google Patents
Novel parameterized header applied to parallel flow channel radiator Download PDFInfo
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- CN117663882A CN117663882A CN202311546283.5A CN202311546283A CN117663882A CN 117663882 A CN117663882 A CN 117663882A CN 202311546283 A CN202311546283 A CN 202311546283A CN 117663882 A CN117663882 A CN 117663882A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 11
- 230000014509 gene expression Effects 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 3
- 230000004907 flux Effects 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000000903 blocking effect Effects 0.000 abstract description 2
- 239000012809 cooling fluid Substances 0.000 abstract description 2
- 239000000110 cooling liquid Substances 0.000 abstract description 2
- 230000005855 radiation Effects 0.000 abstract 1
- 230000008901 benefit Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 239000002826 coolant Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
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- Steam Or Hot-Water Central Heating Systems (AREA)
Abstract
The invention discloses a novel parameterized header applied to a parallel flow channel radiator, belongs to the technical field of high heat flux local heat exchange, and solves the problem of radiator performance reduction caused by uneven distribution of cooling liquid of each flow channel in the parallel flow channel radiator. The novel parameterized manifold comprises an S-shaped manifold and a water drop type block, wherein the S-shaped manifold and the water drop type block are respectively described through parameterized equations, and an S-shaped manifold parameterized model with the water drop type block is established. The S-manifold is controlled by three parameters and the drop type stop is controlled by two parameters. The drop type baffle block plays roles of flow blocking and flow guiding, and the S-shaped collecting pipe plays roles of reducing pressure drop. The invention reduces the pressure drop of the radiator while improving the cooling fluid distribution uniformity and the heat radiation performance of the parallel flow channel radiator. Meanwhile, the parameterized model is beneficial to realizing rapid modeling in engineering.
Description
Technical Field
The invention relates to the technical field of high heat flux local heat exchange, in particular to a novel parameterized header applied to a parallel flow channel radiator.
Background
In the technical field of high heat flux local heat exchange, the parallel flow channel heat exchanger has excellent heat exchange performance and flow performance. However, the flow distribution of the coolant has a significant effect on its performance, and poor flow distribution will lead to reduced parallel flow path performance and the creation of localized hot spots.
The flow distribution in the parallel flow channel radiator is improved by optimizing the shape of the header, but the method is effective for the U-shaped and Z-shaped parallel flow channel radiator, and the benefit for the I-shaped parallel flow channel radiator is very little. The addition of the stop is an effective way to address the fluid distribution of the I-shaped parallel flow path radiator, but results in an increase in pressure drop, which reduces the flow performance of the parallel flow path radiator.
Disclosure of Invention
According to the technical problem, the invention provides a novel parameterized header applied to a parallel flow channel radiator.
The invention adopts the following technical means:
a novel parameterized header for use with a parallel flow channel radiator includes an inlet novel header and an outlet novel header. The novel inlet header and the novel outlet header are symmetrically distributed, and parallel flow channels are arranged between the novel inlet header and the novel outlet header.
The novel inlet header comprises an inlet, an inlet part S-shaped header and an inlet part water drop type check block. The novel outlet header comprises an outlet part water drop type check block, an outlet part S-shaped header and an outlet.
The inlet part S-shaped header and the outlet part S-shaped header are both symmetrical up and down and are composed of two S-shaped curves.
The sigmoid curve is described by parametric equations, establishing a parameterized model for the inlet portion and the outlet portion sigmoid headers.
The parameterized model expressions for the inlet portion and outlet portion sigmoid headers are:
and m, n and c of the parameterized model are control parameters.
And f of the parameterized model is a size coefficient for ensuring that the height of the header does not change with the change of parameters m and n. And c of the parameterized model is the height parameter of the header. M and n of the parameterized model are shape parameters of the header.
The parameterized model expressions of the inlet part water drop type stop and the outlet part water drop type stop are as follows:
g and k of the parameterized model are shape control parameters.
Compared with the prior art, the invention has the following advantages:
the invention solves the problem of reduced performance of the radiator caused by uneven distribution of cooling liquid in each flow passage in the parallel flow passage radiator. Comprising an S-shaped header and a drop type stop. The S-shaped manifold and the drop type stop are respectively described through parameterized equations, and an S-shaped manifold parameterized model with the drop type stop is established. The S-manifold is controlled by two parameters and the drop type stop is controlled by three parameters. The drop type baffle block plays roles of flow blocking and flow guiding, and the S-shaped collecting pipe plays roles of reducing pressure drop. The invention improves the flow property of the radiator while improving the distribution uniformity and the heat dissipation property of the cooling fluid of the parallel flow channel radiator. Meanwhile, the parameterized model is beneficial to realizing rapid modeling in engineering.
Based on the reasons, the invention can be widely popularized in the fields of high heat flux local heat exchange and the like.
Drawings
FIG. 1 is a schematic view of a novel parameterized header for a parallel flow radiator according to an embodiment of the present invention.
Fig. 2 is a schematic view of a parallel flow path radiator with a novel header in an embodiment of the invention.
Fig. 3 (a) shows the thermal resistance comparison of an S-shaped header with a drop-shaped stop versus a rectangular header versus a parallel flow path radiator in an embodiment of the invention.
Fig. 3 (b) shows the pressure drop comparison of an S-shaped header with a drop-shaped stop versus a rectangular header versus a parallel flow channel radiator in an embodiment of the invention.
Fig. 3 (c) shows the volume flow comparison of an S-shaped header with a drop-shaped stop versus a rectangular header versus a parallel flow path radiator in an embodiment of the invention.
In the figure: 1, an inlet; 2 an inlet section S-shaped header; 3 an inlet part drop-shaped stop block; 4S-shaped curve; 5, a drop-shaped stop block at the outlet part; 6 outlet portion S-header; 7, an outlet; 8 parallel flow channels; 9 a metal substrate.
Detailed Description
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
As shown in fig. 1, a new type of parameterized header for use in parallel channel heat sinks consists of an inlet new type of header and an outlet new type of header. The novel inlet header comprises an inlet 1, an inlet part S-shaped header 2 and an inlet part water drop type stop 3. The novel outlet header comprises an outlet part water drop type check block 5, an outlet part S-shaped header 6 and an outlet 7.
The inlet portion S-shaped header 2 and the outlet portion S-shaped header 6 are both symmetrical up and down and are composed of two S-shaped curves 4.
The sigmoid curve 4 is described by parametric equations, creating a parametric model for the inlet portion sigmoid header 2 and the outlet portion sigmoid header 6.
The parameterized model expressions for the inlet portion S-header 2 and the outlet portion S-header 6 are:
and m, n and c of the parameterized model are control parameters which are respectively 1,3 and 17.
F of the parameterized model is a size coefficient. For ensuring that the header height does not vary with the parameters m and n.
And c of the parameterized model is the height parameter of the header.
M and n of the parameterized model are shape parameters of the header.
The parameterized model expressions of the inlet partial drop type stopper 3 and the outlet partial drop type stopper 5 are:
g and k of the parameterized model are shape control parameters, 7 and 2 respectively.
The novel header of the inlet part and the novel header of the outlet part are symmetrically distributed, and parallel flow channels are arranged between the novel header of the inlet part and the novel header of the outlet part.
As shown in fig. 2, a new type of parameterized header applied to a parallel flow channel radiator was used for the parallel flow channel radiator and compared with a rectangular header for performance.
As shown in fig. 3, a new type of parameterized header applied to a parallel channel radiator provides better heat transfer and flow properties for the parallel channel radiator and more uniform fluid distribution between the parallel channels than a rectangular header.
Claims (5)
1. A novel parameterized header for use with a parallel flow channel radiator, comprising an inlet novel header and an outlet novel header;
the novel inlet header comprises an inlet (1), an inlet part S-shaped header (2) and an inlet part water drop type stop block (3); the novel outlet header comprises an outlet part water drop type check block (5), an outlet part S-shaped header (6) and an outlet (7);
the inlet part S-shaped header (2) and the outlet part S-shaped header (6) are both symmetrical up and down and are composed of two S-shaped curves (4);
-said sigmoid curve (4) is described by parametric equations, establishing a parametric model for the inlet portion sigmoid header (2) and the outlet portion sigmoid header (6);
the parameterized model expressions of the inlet portion S-header (2) and the outlet portion S-header (6) are:
m, n and c of the parameterized model are control parameters;
f of the parameterized model is a size coefficient and is used for ensuring that the height of the header does not change along with the change of parameters m and n; c of the parameterized model is the height parameter of the header; m and n of the parameterized model are shape parameters of the header.
2. A new parameterized header for parallel flow channel radiators according to claim 1, wherein the parameterized model expressions of the inlet portion drop-type block (3) and the outlet portion drop-type block (5) are:
g and k of the parameterized model are shape control parameters.
3. A new type of parameterized header for use in parallel flow channel heat sinks according to claim 1 or 2 wherein the inlet new type of header and the outlet new type of header are symmetrically distributed with parallel flow channels (8) disposed therebetween.
4. A new type of parameterized header for use in parallel flow channel heat sinks according to claim 1 or 2, characterized in that a metal base plate (9) is provided between the inlet new header and the outlet new header.
5. A new type of parameterized header for use in parallel flow channel heat sinks according to claim 3 wherein a metal base plate (9) is provided between the inlet new header and the outlet new header.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311546283.5A CN117663882A (en) | 2023-11-20 | 2023-11-20 | Novel parameterized header applied to parallel flow channel radiator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311546283.5A CN117663882A (en) | 2023-11-20 | 2023-11-20 | Novel parameterized header applied to parallel flow channel radiator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117663882A true CN117663882A (en) | 2024-03-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311546283.5A Pending CN117663882A (en) | 2023-11-20 | 2023-11-20 | Novel parameterized header applied to parallel flow channel radiator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117663882A (en) |
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2023
- 2023-11-20 CN CN202311546283.5A patent/CN117663882A/en active Pending
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