Patent ID: 11950393
Assignee: SOUTHEAST UNIVERSITY
Field: Audio-visual technology (Electrical engineering)
Classification: CPC H | IPC H

Claim 6:
7. A heat dissipation method for the two-phase flow active and passive multi-level data center cabinet cooling device, comprising
providing the two-phase flow active and passive multi-level data center cabinet cooling device according to claim 1,
forming a first closed circulation structure by the liquid reservoir (6) of the cooling medium inlet, the rack-level loop thermosiphon (11), the cooling medium circulating waste heat recovery device (8-2), the liquid reservoir (7) of the cooling medium outlet, and the liquid pump (4) circulating the cooling medium
using distilled water as the cooling medium for a first closed circulation structure under less than ambient pressure;
evacuating the first closed circulation structure and then filling it with nitrogen, so that the condensate system works at 0.1 atmospheric pressure after injecting the cooling medium;
forming a second closed circulation structure by the cabinet condensing unit (3), the condensate circulating waste heat recovery device (8-1), and the liquid pump (5) of the condensate system;
using water as the cooling medium by a second closed circulation structure at ambient pressure;
monitoring a condensate temperature by a condensing unit temperature sensor (22);
monitoring a CPU junction temperature by a first CPU temperature sensor (27-1) and a second CPU temperature sensor (27-2).