Title :
Thermal design space prediction in two-phase direct liquid cooling
Author :
Lee, T. Y Tom ; Mahalingam, Mali
Author_Institution :
Motorola Inc., Phoenix, AZ, USA
fDate :
10/1/1992 12:00:00 AM
Abstract :
Software for predicting the optimum operating conditions for a two-phase liquid cooling environment is presented. This software consists of a data bank which includes a variety of physical and thermodynamic properties of fluorocarbons. It also includes heat transfer correlations which cover the range from single-phase boiling incipience, to nucleate boiling, to critical heat flux. The heat flux of the integrated circuit is compared to the calculated boiling incipience heat flux and critical heat flux to determine if the operating conditions provide for nucleate boiling. The optimum operating conditions are determined for three cooling schemes: pool boiling, flow boiling, and jet impingement boiling. Application of the software indicated that the jet impingement boiling has better thermal performance than flow and pool boiling. The uncertainties involved in the software predictions are considered in terms of design rule development
Keywords :
boiling; cooling; design engineering; integrated circuits; packaging; cooling schemes; critical heat flux; data bank; design rule development; flow boiling; fluorocarbons; heat transfer correlations; integrated circuits; jet impingement boiling; nucleate boiling; optimum operating conditions; pool boiling; single-phase boiling incipience; software predictions; thermal design space prediction; thermal performance; two-phase direct liquid cooling; Coolants; Heat transfer; Liquid cooling; Logic arrays; Packaging; Space cooling; Space heating; Surface resistance; Temperature; Thermal resistance;
Journal_Title :
Components, Hybrids, and Manufacturing Technology, IEEE Transactions on
