logarithmic mean difference

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• Logarithmic mean — In mathematics, the logarithmic mean is a function of two numbers which is equal to their difference divided by the logarithm of their quotient. In symbols::egin{matrix}M {mbox{lm(x,y) =lim {(xi,eta) o(x,y)} frac{eta xi}{ln eta ln xi}… …   Wikipedia

• Logarithmic scale — A logarithmic scale is a scale of measurement that uses the logarithm of a physical quantity instead of the quantity itself. Presentation of data on a logarithmic scale can be helpful when the data covers a large range of values ndash; the… …   Wikipedia

• Log mean temperature difference — The log mean temperature difference (LMTD) is used to determine the temperature driving force for heat transfer in flow systems (most notably in heat exchangers). The LMTD is a logarithmic average of the temperature difference between the hot and …   Wikipedia

• LMTD — Logarithmic Mean Temperature Difference (Academic & Science » Ocean Science) …   Abbreviations dictionary

• LMTD — Logarithmic Mean Temperature Difference ( > IEEE Standard Dictionary ) …   Acronyms

• LMTD — Logarithmic Mean Temperature Difference ( > IEEE Standard Dictionary ) …   Acronyms von A bis Z

• List of statistics topics — Please add any Wikipedia articles related to statistics that are not already on this list.The Related changes link in the margin of this page (below search) leads to a list of the most recent changes to the articles listed below. To see the most… …   Wikipedia

• LMTD — abbreviation logarithmic mean temperature difference …   Useful english dictionary

• Logarithm — The graph of the logarithm to base 2 crosses the x axis (horizontal axis) at 1 and passes through the points with coordinates (2, 1), (4, 2), and (8, 3) …   Wikipedia

• Apparent magnitude — Asteroid 65 Cybele and 2 stars with their magnitudes labeled The apparent magnitude (m) of a celestial body is a measure of its brightness as seen by an observer on Earth, normalized to the value it would have in the absence of the atmosphere.… …   Wikipedia

• river — river1 riverless, adj. riverlike, adj. /riv euhr/, n. 1. a natural stream of water of fairly large size flowing in a definite course or channel or series of diverging and converging channels. 2. a similar stream of something other than water: a… …   Universalium