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Thermal Solutions

32 Thermal/Mechanical Design Guide

For 1U reference heatsink, see Appendix B for detailed drawings. Table 5-1 specifies

and pressure drop targets at 9.7 CFM. Figure 5-1 shows Ψ

and pressure drop for

the 1U heatsink versus the airflow provided. Best-fit equations are provided to prevent

errors associated with reading the graph.

For 2U and Tower heatsink, see Appendix B for volumetric drawings. Table 5-1 specifies

and pressure drop targets at 30 CFM. At airflows other than 30 CFM, Ψ

and

pressure drop will differ between suppliers as their heatpipe and fin geometries will

vary.

Figure 5-1. 1U Heatsink Performance Curves

1 2 ... 27 28 29 30 31 32 33 34 35 36 37 ... 97 98

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IBM Intel Xeon E5506 Specifiche Pagina 32