INTRODUCTION In terrestrial or air-borne electrical and electronic systems, cooling requirements can be unsteady due to spikes in heat load, or changes in ambient conditions. Such an event results in a sharp rise in system temperature or temperature cycling thus possibly reducing the system reliability. In the electrical domain, fluctuations in voltage are managed by using … [Read more...]
Low Cost Plastic Films Lower Exposed Surface Temperatures by 10°C
Low-emissivity (Low-E) films are not new –they represent a mature technology in which a metal-oxide coated surface emits low levels of radiant thermal energy. Low-E films are widely used on window glasses in energy-efficient buildings. Low-E materials include metals like Aluminum foil which has a thermal emissivity /absorptance of 0.03 which means that it reflects 97 percent of … [Read more...]
92ML™ StaCool™ Thermally Enhanced PCB Materials Manage Heat in Power Electronics Applications
Scott D. Kennedy Senior Product Manager Rogers Corp Power Electronics Design Trends Power electronics and associated thermal design is an essential early stage of many product development efforts, especially with growing demand for vehicular and industrial applications. Current trends to increase vehicular driver assistance features, reduce the carbon … [Read more...]
Book Review of Electronics Cooling (2016)
by MP Divakar, PhD, Stack Design Automation Technical Editor, Electronics Cooling Online Electronics cooling engineers and designers are used to one constant in their professional lives: change. Most of it (as far as problem solving is concerned) is change for the worse… and is challenging! The heat flux keeps increasing, the geometries keep shrinking, the available solution … [Read more...]
Thermal Conductivity & CTE of Materials: Can We Engineer Them?
by MP Divakar, PhD, Stack Design Automation Technical Editor, Electronics Cooling Online Most electronics cooling problems are not just limited to the computation of temperatures at various points and the design remedies thereof. They also extend to managing the collateral effects of temperature fluctuations. One such effect is the mobilization of thermomechanical stresses in … [Read more...]
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