... of those candidate cooling approaches is dielectric liquid impingement heat transfer. A computational study has been performed to understand the impact on chip cooling. The current study uses a constant heat flux thermal boundary condition to computationally analyze a confined coaxial impingement water jet...

... apparatus with circuitry completely immersed in liquid while operating is discussed. In addition, short- and long-term tests were performed. Details of the tests and the results are discussed in this article. thermal management electronics cooling heat transfer coolants circulating immersion...

... drop and temperatures of the heaters. multi-chip module liquid cooling heat sink data centers heat transfer Proceedings of the ASME 2023 International Technical Conference and Exhibition on Packaging and Integration of Electronic and Photonic Microsystems InterPACK2023 October 24-26, 2023...

... Abstract This study presents an experimental investigation on the nucleate boiling heat transfer (NBHT) in deionized (DI) water and HFE-7100 on bare copper surfaces. The experiments were performed under atmospheric condition at 0 and 10 K subcooling levels. The primary objective...

... Abstract The objective of this study is to quantify heat transfer direct cooling channel enhancements in single phase for optimal cooling. A device is created to mitigate hot spots in high voltage and high-power density electronics. This design study is for power modules with high heat fluxes...

... Abstract The use of computational fluid dynamics/heat transfer (CFD/HT) software has become common in exploring the thermal and hydrodynamic behavior of many electronic products. Well-designed CFD/HT models are very valuable for driving the product design, but accurate models can be difficult...

... 07 01 2011 Heat transfer enhancement using segmented non-boiling gas-liquid streams is examined. Segmentation results in a two phase flow of liquid/gas having a constant liquid fraction, i.e. no phase change occurs. In this flow configuration, enhanced heat transfer occurs as a result...

... of this coefficient is C ≈ 0.7∼0.95. For the demonstration, we designed the assembled-type two-phase cooling module with the optimum flow rate based on our model, and we observed that the evaporator had a relatively small thermal resistance of 0.1K/W. Boiling Heat transfer Evaporator Condenser Electronics...

... 03 04 2009 Micro-jet array MEMS Finite difference method Impinging cooling device Heat transfer Compressible flow In this work ways to improve the performance of the MJA is investigated using computer modeling. Finite-difference method is used to analyze and understand...

... degassed (chamber pressure of 41.4 kPa) and gassy conditions (chamber with N 2 gas at 101 kPa) with a bulk fluid temperature of 20.5°C. Results for both the degassed and gassy cases show that structure width and separation distance have a dominant effect upon the heat transfer for the size ranges used...

... transfer analytical method was proposed for both laminar and turbulent flows. The characterization data from these three parallel plate heat sinks were compared with the analytical methods. Finally, empirical heat transfer correlations were developed for both laminar and turbulent flows. Heat Sinks...

... application challenges unique to LEDs. Conventional lighting methods provide little guidance for LED thermal problems since these usually involve a very high temperature source, such as a filament or an arc, and radiant heat transfer dissipates the thermal energy. LED junction temperatures are limited to much...

... A series of experimental investigations with a new modified transient liquid crystal method on the studies related to the fluid flow and heat transfer characteristics in a channel installed with a heat sink have been successfully performed. The parametric studies on the local and average...