from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. Symbol for the teralumen, an SI unit of luminous flux equal to 1012 lumens.


Sorry, no etymologies found.


  • "Tlm" - from I.I by Walt Ribeiro, a talented young composer of orchestral music I met at PodCamp Philly

    Archive 2008-10-01

  • To obtain the overall heat transfer coefficient, 1 / UA, the following equation was used: (6) vi ∆ Tlm 1 = UA qwater Where 1 / UA is the overall heat transfer coefficient (K / W), ∆ Tlm is the log-mean temperature difference (K) and qwater is the heat transfer rate from steam to water (W).

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