阅读说明：本技术 用于具有扰动装置的热交换器的管 (Tube for heat exchanger with turbulator ) 是由 C.德沃克斯 P.勒布莱 M.里斯纳 M.卡帕罗斯 K.阿佐兹 X.马查迪尔 K.加昂 于 2018-07-31 设计创作，主要内容包括：一种用于热交换器的管(2),包括至少一个扰动装置(4),用于扰动能够在该管中流动的流体的流动,扰动装置(4)包括朝向管(42)的内部的管的壁的局部凹陷并且具有人字形(43)的形状,人字形(43)至少包括从点(48)朝向自由端(440、460)延展的第一分支(44)和第二分支(46)。(A tube (2) for a heat exchanger, comprising at least one perturbation device (4) for perturbing the flow of a fluid able to flow in the tube, the perturbation device (4) comprising a local depression of the wall of the tube towards the inside of the tube (42) and having the shape of a chevron (43), the chevron (43) comprising at least a first branch (44) and a second branch (46) extending from a point (48) towards a free end (440, 460).)

1. A tube (2) for a heat exchanger comprising at least one perturbation device (4) for perturbing the flow of a fluid able to flow in the tube, the perturbation device (4) comprising a local recess in the wall of the tube towards the inside of the tube (42) and having the shape of a chevron (43), the chevron (43) comprising at least a first branch (44) and a second branch (46) extending from a tip (48) towards a free end (440, 460).

2. The tube (2) according to claim 1, defining a flow channel for a fluid that can flow in the tube mainly in a first direction, and comprising a plurality of perturbation means (4) for perturbing the flow of the fluid along the flow channel, and wherein the perturbation means (4) are in the shape of chevrons (43) arranged along the fluid flow channel such that a cross-sectional strip (20) of the tube, having a longitudinal dimension equal to the longitudinal dimension of the perturbation means and comprising the entire perturbation means, comprises only the perturbation means (4).

3. The tube (2) according to claim 2, wherein the chevron (43) forming the perturbation means (4) comprises at least two branches (44, 46) extending from a tip (48), the branches (44, 46) being defined by a length (444, 464) of between 1.55 and 30 mm.

4. The tube (2) according to claim 3, wherein at least one branch (44, 46) is arranged with an extension angle (54, 56) between 20 ° and 160 ° with respect to the flow direction (3) of the fluid.

5. The tube (2) according to any one of the preceding claims, wherein the perturbation means (4) is defined by a height (42) comprised between 0.1 and 0.5 mm, said height (42) being measured between an inner face of the wall of the tube (2) and an apex (40) of the perturbation means (4) in a direction perpendicular to the wall of the tube (2).

6. The tube (2) according to any one of the preceding claims, wherein the perturbation means (4) is defined by a thickness (50) of between 0.5 and 5 millimetres, said thickness (50) being measured between a plane passing through the middle of the branches at the apex of the perturbation means and a parallel plane passing through the junction edge (52) where the perturbation means (4) meets the respective wall of the tube.

7. The tube (2) according to any one of the preceding claims, wherein the perturbation means (4) are arranged in at least two lines (80) in the longitudinal direction of the tube (2), the spacing between two consecutive lines (82) being between 1.5 and 30 mm.

8. The pipe (2) according to claim 7, wherein the perturbation means (4) of the at least one first line (84) are arranged with a longitudinal offset (96) with respect to the perturbation means (4) of the at least one second line (86).

9. The tube (2) according to any one of claims 7 or 8, wherein two successive perturbation means of the same line (80) are spaced apart by a spacing (90) of between 1.5 and 30 mm.

10. The tube (2) according to any one of the preceding claims, wherein the perturbation means (4) are arranged alternately on a top wall (28) and an opposite bottom wall (26), all being arranged inside the passage defined between these two walls.

11. The tube (2) according to claim 1, wherein at least one geometrical parameter of the chevron shape has a value that varies between the tip (48) and each free end (440, 460) of a branch (44, 46).

12. The tube (2) according to claim 11, wherein the at least one geometric parameter that varies is the width of each branch, the width of each branch at the tip (48) having a value greater than the width of each free end (440, 460) of the branch (44, 46).

13. The tube (2) according to any one of claims 11 and 12, wherein the at least one geometric parameter that varies is the angle formed between the branches of the chevron, the value of the angle at the tip (48) being smaller than the value of the angle at the free ends (440, 460) of the branches (44, 46).

14. The tube (2) according to any one of claims 11 to 13, wherein the at least one geometric parameter that varies is the height of the chevron, the height at the tip (48) having a value greater than the height (424) of each free end (440, 460) of the branch (44, 46).

15. The tube (2) according to claim 14, wherein the height (420) of the tip (48) has a value equal or substantially equal to twice the value of the height (424) of the free end (440, 460) of the branch (44, 46).

16. The tube (2) according to claim 14, wherein the height (420) of the tip (48) has a value equal or substantially equal to the sum of the values of the heights (424) of each of the free ends (440, 460) of the branches (44, 46).

17. The pipe (2) according to claim 16, wherein the perturbation means (4) are arranged in series between the first longitudinal end (20) of the pipe (2) and the second longitudinal end (22) of the pipe (2), at least one of the height values (420, 424) increasing from one perturbation means (4) to the next in the series.

18. The tube (2) according to any of claims 11 to 17, wherein the height (420) of the tip (48) is between 0.1 and 0.5 mm.

19. The tube (2) according to any one of claims 11 to 18, wherein the perturbation devices (4) are arranged in at least two lines (80) in the longitudinal direction of the tube (2), the perturbation devices of at least one first line (84) being arranged with a longitudinal offset (96) with respect to the perturbation devices (4) of at least one second line (86).

20. The pipe (2) according to claim 1, wherein the perturbation means (4) are formed by a plurality of local depressions (100) in the wall of the pipe (2) towards the inside of the pipe (2), arranged with respect to each other in the shape of chevrons (43).

21. The tube (2) of claim 20, wherein the chevron (43) includes at least one tip (48), two branches (44, 46) joined at one end to form a tip (48) and having a free end (440, 460) opposite the tip.

22. The tube (2) according to claim 21, wherein a first partial recess (101) is made to form the tip (48) and a second partial recess (102) is made to form one of the free ends (440, 460) of the two branches (44, 46), respectively.

23. The tube (2) according to claim 22, wherein a third local recess (103) is arranged between the first and the second local recess to form a branch (44, 46).

24. The tube (2) according to any of claims 20 to 23, wherein each local depression (100) comprises an apex (140) and a joining edge (152) at which it meets the wall of the tube, the local depression comprising a connecting portion (110) which flares between the joining edge and the apex.

25. The tube (2) according to claims 23 and 24, wherein at least third partial recesses (103) are made close to each other such that the flared connecting portion (110) of one third partial recess overlaps the flared connecting portion of an adjacent third partial recess.

26. The tube (2) according to any one of claims 24 or 25, wherein the flared connection portion (110) of each local recess (100) has the same shape.

27. The tube (2) according to any one of claims 20 to 26, wherein the perturbation means (4) are arranged alternately on a top wall (28) and an opposite bottom wall (26), all being arranged inside the channel defined between these two walls.

28. A heat exchanger comprising a plurality of tubes (2), at least one tube (2) of which (2) is a tube according to any one of the preceding claims, said tubes defining internally, on the one hand, a flow circuit for a fluid which can be disturbed in transit by the presence of said chevrons forming a means of disturbance, said tubes defining between them, on the other hand, a flow circuit for air.

29. A method for manufacturing a tube for a heat exchanger as claimed in any one of claims 20 to 27, said method comprising performing steps of pressing at least one wall of said tube, at least one first set of local depressions resulting from the pressing steps forming chevrons.