There must be an ideal world A sort of mathematicians’ paradise Where everything happens As it does in textbooks — Bertrand Russell This is the third column devoted to the sense and nonsense of correlations. My earlier comments [1] regarding Russell’s quote are maybe worth repeating: “Generations of mechanical engineers have been educated to use the correlations that fill … [Read more...]

The question to be addressed in this article is: Do you really need a traditional CFD package to design or manage your data center under all circumstances? Are there any practical alternatives on the cooling-analysis spectrum between it and spreadsheet calculations by your in-house cooling guru? What are the consequences of unreliable input data for important geometric details … [Read more...]

Thermoelectric effects were discovered around 1830 by French and German scientists. Thomas Seebeck observed that a magnetic field was produced by a closed loop of two different metals with each junction having a different temperature. Soon after, Danish scientist Hans-Christian Oersted found the magnetic field to be caused by an electric current, so he assigned to Seebeck’s … [Read more...]