Blade Heat Dissipator With Room-Temperature Liquid Metal Running Inside a Sheet of Hollow Chamber

Through introducing the global flow driving mechanism, a highly compact liquid metal-based heat dissipator was proposed. The electromagnetic pump, conductive coolant as well as heat transportation channels were all integrated into a single sheet of hollow chamber, which leads to the blade like heat dissipator. The working performance of the cooling device was experimentally demonstrated through imposing various electric currents on the driving pump and subjecting to different heating power fluxes. It indicated that this blade heat dissiaptor can function effectively by eliminating the temperature difference between heat source and the whole region of the dissipator within a few seconds, which significantly resolves the difficulty of removing heat from the hotspot in quite limited space. Owing to its highly compact structure, fabrication simplicity, quick response, and wide range of working temperature, this cooling device is expected to be very useful in a wide variety of opto-electrical thermal management areas, such as notebook computers, mobile phones, or LEDs.