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Showing 1 to 20 of 59 for “"high heat flux"”.
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Thermal hydraulics of high heat flux components
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Nuclear Engineering, 1995.
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Evaporation from nanoporous membranes for high heat flux thermal management
Heat dissipation is a critical limitation in a range of electronic devices including microprocessors, solar cells, laser diodes and power amplifiers. The most demanding devices require dissipation of heat fluxes in excess of 1 kW/cm2 with heat transfer coefficients more than 30 W/cm 2K. Advanced …
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Mechanisms and limitations for water-cooling of high heat flux surfaces
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Nuclear Engineering, 1996.
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Thermal analysis of directional drilling tool in high heat flux environment
Thesis (S.M. and S.B.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 2002.
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Air Cooling of High-Heat-Flux Electronics Using Wettability-Engineered Vapor Chambers
The rapidly rising use of highly dense electronics in modern digital installations -ranging from data centers to power electronics- fuels the need for development of better, reliable, yet sustainable and low-energy-use cooling solutions. Air cooling, while highly reliable and conventionally used in …
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Natural convection in high heat flux tanks at the Hanford Waste Site
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Nuclear Engineering, 1996.
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Fabrication of a nanoporous membrane device for high heat flux evaporative cooling
… performance of a nanoporous membrane for ultra-high heat flux dissipation from high performance integrated circuits. The biporous evaporation device utilizes thermally-connected, mechanically-supported, high capillarity membranes that maximize thin film evaporation and high permeability liquid …
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Thin-film evaporation from well-defined silicon micropillar wicks for high-heat-flux thermal management
The generation of concentrated heat loads in advanced microprocessors, power amplifiers, and concentrated photovoltaics present significant thermal management challenge for defense, space and commercial applications. Liquid to vapor phase-change strategies are promising due to the high latent heat …
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Thermal and mechanical development of extremely high heat flux cooling modules based on jet array technology
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 1997.
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USING COMPUTATIONAL METHODS TO OPTIMIZE HIGH HEAT FLUX COMPONENT THERMAL PERFORMANCE IN MAGNETIC CONFINEMENT FUSION REACTOR RESEARCH
<p>"Heat transfer enhancement by means of internally modified geometries in tubes and channels is an important mechanism to improve the survivability of components in extreme high-heat flux environments. Various features such as ribs and fins are studied using computational fluid dynamics in both …
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Fatigue and Fracture Behavior of High Strength and High Conductivity Copper Alloys for High Heat Flux Applications
The fatigue performance of CuAl25 and CuCrZr and OFHC copper was also evaluated under creep-fatigue loading conditions. It was found that creep and stress relaxation have a major impact on fatigue behavior. Fatigue lives were reduced notably with hold time even at room temperature. Hold times are …
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The Effects of Temperature on Fracture Behavior and Fracture Mechanisms of Copper Alloys for High Heat flux Applications
Made available in DSpace on 2017-07-06T18:55:08Z (GMT). No. of bitstreams: 3 Li_Meimei_MS.pdf: 41567594 bytes, checksum: dce44a7ecbfc865b1e4d3aea199d02ad (MD5) Li_Meimei_MS_ABS.pdf: 1028268 bytes, checksum: 3958467b416638279ef210f1b6cb352b (MD5) license.txt: 4813 bytes, checksum: …
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Developing an active, high-heat-flux thermal management strategy for power electronics via jumping-droplet phase-change cooling
Mitigating heat generated by hot spots inside of power electronic devices is a formidable obstacle to further increases in power density. This work presents the first demonstration of active cooling for hot spots in compact electronics via electric-field-enhanced (EFE) jumping-droplet condensation. …
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Comparison of heat flux standards for calibrating heat flux gages at elevated temperatures and high heat flux levels
… a set of standards for use in calibrating heat flux gages at elevated temperatures in a radiant heat transfer environment by comparing several "trial" standards. Ideally, the same incident heat flux is derived from each standard when exposed to the same heat source. Three heat flux …
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Mechanical Properties and Microstructure of Copper Alloys and Copper Alloy-Stainless Steel Laminates for Fusion Reactor High Heat Flux Applications
A solid plate of CuAl25 alloy hot isostatically pressed to a 316L stainless steel plate showed the best overall mechanical properties of the studied bi-metallic bonded panels. Bond properties were nominally inferior to constituent bulk material properties and fracture toughness values, in …
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Spray Cooling For Land, Sea, Air And Space Based Applications, A Fluid Managment System For Multiple Nozzle Spray Cooling And A Guide To High Heat Flux Heater Design
… disadvantages that spray cooling has over other high heat flux cooling techniques. Chapter two outlines the developmental goals of spray cooling, which are to increase the output of a current system and to enable new technologies to be technically feasible. Furthermore, this chapter outlines in …
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Design and Calibration of a Novel High Temperature Heat Flux Sensor
Heat flux gages are important in applications where measurement of the transfer of energy is more important than measurement of the temperature itself. There is a need for a heat flux sensor that can perform reliably for long periods of time in high temperature and high heat flux environment. The …
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Fabrication of Three-Dimensionally Independent Microchannels Using a Single Mask Aimed at On-Chip Microprocessor Cooling
… variety of channel sizes that can be fabricated. High values of flow rate, coil power, and pressure were found to produce this effect. The capability of the modeled process for creating a microchip cooling device for high-heat flux applications was also investigated. Using meander channels, heat …
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