density correction

[′den·səd·ē kə′rek·shən] (aerospace engineering) A correction made necessary because the airspeed indicator is calibrated only for standard air pressure; it is applied to equivalent airspeed to obtain true airspeed, or to calibrated airspeed to obtain density airspeed. (engineering) The part of the temperature correction of a mercury barometer which is necessitated by the variation of the density of mercury with temperature. The correction, applied to the indications of a pressure-tube anemometer or pressure-plate anemometer, which is necessitated by the variation of air density with temperature.

单词	density correction
释义	density correction density correction [′den·səd·ē kə′rek·shən] (aerospace engineering) A correction made necessary because the airspeed indicator is calibrated only for standard air pressure; it is applied to equivalent airspeed to obtain true airspeed, or to calibrated airspeed to obtain density airspeed. (engineering) The part of the temperature correction of a mercury barometer which is necessitated by the variation of the density of mercury with temperature. The correction, applied to the indications of a pressure-tube anemometer or pressure-plate anemometer, which is necessitated by the variation of air density with temperature.
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