Acoustical attenuator in storage array to improve performance
An apparatus is provided. The apparatus includes a plurality of flow guiding structures spatially aligned in a first row, each of the plurality of flow guiding structures comprising a fin-shape to funnel airflow at a trailing edge of each of the plurality of flow guiding structures. The apparatus also includes a plurality of flow separating structures spatially aligned in a second row interleaved between each of the plurality of flow guiding structures, each of the plurality of flow separating structures comprising a fin-shape configured to split airflow received from the plurality of flow guiding structures.
1. An apparatus comprising:
a plurality of flow guiding structures spatially aligned in a first row, each of the plurality of flow guiding structures comprising a fin to funnel airflow at a trailing edge of each of the plurality of flow guiding structures; and
a plurality of flow separating structures spatially aligned in a second row partially interleaved between each of the plurality of flow guiding structures, each of the plurality of flow separating structures comprising a fin configured to split airflow received from the plurality of flow guiding structures, wherein a leading edge of each of the plurality of flow separating structure is aligned with a midpoint of a distance between two adjacent storage arrays.
2. The apparatus of claim 1 , wherein each of the plurality of flow separating structures comprises a supporting rod encased by a sound absorber material.
3. The apparatus of claim 1 , wherein each of the plurality of flow guiding structures comprises a supporting rod encased by a sound absorber material.
4. The apparatus of claim 1 , wherein the fin of each of the plurality of flow separating structures comprises a rounded leading edge and a sharp trailing edge.
5. The apparatus of claim 4 , wherein the rounded leading edge comprises a supporting feature.
6. The apparatus of claim 1 , wherein the trailing edge of each of the plurality of flow guiding structures comprises a sharp trailing edge.
7. The apparatus of claim 1 , wherein the trailing edge of each of the plurality of flow guiding structures comprises a rounded trailing edge.
8. A computing device comprising:
a housing having an inlet side, an outlet side, a first sidewall, and a second sidewall, the first sidewall and the second sidewall extending from the inlet side to the outlet side;
at least one row of drive bays extending at least partially from the first sidewall to the second sidewall, the at least one row of drive bays configured to receive a plurality of hard disk drives and to provide a plurality of gaps between the plurality of hard disk drives;
a plurality of flow guiding structures disposed between the at least one row of drive bays and the outlet side, wherein:
each of the plurality of flow guiding structures is directly coupled to a corresponding one of the plurality of hard disk drives, and
each of the plurality of flow guiding structures comprises a fin to funnel airflow through the plurality of gaps between the plurality of hard disk drives to a trailing edge; and
a plurality of flow separating structures interleaved between each of the plurality of flow guiding structures, each of the plurality of flow separating structures comprising a fin configured to split airflow received from the plurality of flow guiding structures.
9. The computing device of claim 8 , wherein each of the plurality of flow separating structures comprises a supporting rod encased by a sound absorber material.
10. The computing device of claim 8 , wherein each of the plurality of flow guiding structures comprises a supporting rod encased by a sound absorber material.
11. The computing device of claim 8 , wherein the fin of each of the plurality of flow separating structures comprises a rounded leading edge and a sharp trailing edge.
12. The computing device of claim 11 , wherein the rounded leading edge comprises a supporting feature.
13. The computing device of claim 8 , wherein the trailing edge of each of the plurality of flow guiding structures comprises a sharp trailing edge.
14. The computing device of claim 8 , wherein the trailing edge of each of the plurality of flow guiding structures comprises a rounded trailing edge.
15. A storage array module, comprising:
a plurality of storage arrays;
a plurality of flow guiding structures spatially aligned in a first row, each of the plurality of flow guiding structures comprising a fin to funnel airflow at a trailing edge of each of the plurality of flow guiding structures, wherein each of the plurality of flow guiding structures is configured to directly couple to a corresponding one of the plurality of storage arrays; and
a plurality of flow separating structures spatially aligned in a second row partially interleaved between each of the plurality of flow guiding structures, each of the plurality of flow separating structures comprising a fin configured to split airflow received from the plurality of flow guiding structures.
16. The storage array module of claim 15 , wherein a leading edge of each of the plurality of flow separating structure is aligned with a midpoint of a distance between two adjacent storage arrays of the plurality of storage arrays.
17. The storage array module of claim 15 , wherein the fin of each of the plurality of flow separating structures comprises a rounded leading edge and a sharp trailing edge.
18. The storage array module of claim 17 , wherein the rounded leading edge comprises a supporting feature.
19. The storage array module of claim 15 , wherein the trailing edge of each of the plurality of flow guiding structures comprises a sharp trailing edge.
20. The storage array module of claim 15 , wherein the trailing edge of each of the plurality of flow guiding structures comprises a rounded trailing edge.