Experimental Characterization of Two-Phase Cold Plates Intended for High-Density Data Center Servers Using a Dielectric Fluid

Abstract High-performance computing (HPC) data centers demand cutting edge cooling techniques like direct contact liquid (DCLC) for safe and secure operation of their high-power density servers. The two-phase flow boiling heat transfer technique is widely believed to address the heating problem posed by HPC racks. In this study, a novel liquid-cooled cold plate containing microchannel jet impingement arrangement was characterized its thermal behavior. A sophisticated bench top setup involving mock package developed carry out experiments in controlled fashion using dielectric fluid Novec/HFE-7000. Two-phase plates which has strong dependency on surface phenomena were carefully studied at various levels inlet pressure, subcooling, rates, flux package. resistance network invoked determine average coefficient exit qualities estimated energy balance equation. While results make it evident that, high generating components can be kept operable conditions cooling; deeper insight outcomes could pave way more efficient designs. experiment carried with large heated 6.45 cm2 maximum dissipated around 63.6 W/cm2 corresponding chip power 410 W. Base temperature below 75 °C pressure drop did not exceed 21 kPa.