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The heat sink thermal resistance model consists of two resistances, namely the resistance in the heat sink base, , and the resistance in the fins, . The heat sink base thermal resistance, , can be written as follows if the source is a uniformly applied the heat sink base. If it is not, then the base resistance is primarily spreading resistance:
Computer cooling is required to remove the waste heat produced by computer components, to keep components within permissible operating temperature limits. Components that are susceptible to temporary malfunction or permanent failure if overheated include integrated circuits such as central processing units (CPUs), chipsets , graphics cards ...
Generally, forced convection heat sink thermal performance is improved by increasing the thermal conductivity of the heat sink materials, increasing the surface area (usually by adding extended surfaces, such as fins or foam metal) and by increasing the overall area heat transfer coefficient (usually by increase fluid velocity, such as adding ...
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The first Social Security office opened in Austin, Texas, on October 14, 1936. [10] Social Security taxes were first collected in January 1937, along with the first one-time, lump-sum payments. [8] The first person to receive monthly retirement benefits was Ida May Fuller of Brattleboro, Vermont. Her first check, dated January 31, 1940, was in ...
WAUSAU – The Common Council will see an amended resolution Tuesday brought forward by Mayor Doug Diny to approve $3,000 for drop box security for the Nov. 5 election.