Author Archive for Phil E. Tuma

Open Bath Immersion Cooling In Data Centers: A New Twist On An Old Idea

December 6th, 2010

Phil Tuma 3M Company, St. Paul, Minnesota The inefficiencies of legacy datacenter air cooling schemes are by now well known. New “Free Air” cooling technologies in which air is introduced to the racks in a…read more

Indirect Thermosyphons For Cooling Electronic Devices

February 1st, 2006

Nomenclature Variables R Thermal Resistance [°C/W] or [°C-mm2/W] Q Power [W] Q” Heat Flux [W/cm2] T Temperature [°C] or [K] h Heat Transfer Coefficient [W/cm2-K] Subscripts sat saturation tc thermocouple s sink or boiler w…read more