. A new thermo-electric fluid-meter and hot-wire anemometer. I/) //or-lV//?£ //or-iVA /?£s/sr/iA<cs ry/^s o/^ //or kV//<£ /i/v£/^o/if£r£rf a^£:osr ^£/^/v£LL m IS ?|! l*M>|i|i|>|i|i 23£ aturea, and has the great advantage of reallymeaaurlnp the velocity of gas at a point. It alsofaoilitates the measurements greatly and avoids thepossibility of accidentally burning out the heatingwire. This anemometer can be so arranged that itmay be placed in various positions in a tube of mostany size, and yet not interfere seriously with theair velocity under measurement. The heating wire canb
. A new thermo-electric fluid-meter and hot-wire anemometer. I/) //or-lV//?£ //or-iVA /?£s/sr/iA<cs ry/^s o/^ //or kV//<£ /i/v£/^o/if£r£rf a^£:osr ^£/^/v£LL m IS ?|! l*M>|i|i|>|i|i 23£ aturea, and has the great advantage of reallymeaaurlnp the velocity of gas at a point. It alsofaoilitates the measurements greatly and avoids thepossibility of accidentally burning out the heatingwire. This anemometer can be so arranged that itmay be placed in various positions in a tube of mostany size, and yet not interfere seriously with theair velocity under measurement. The heating wire canbe coiled and made to occupy a relatively small area,or it may be stretched straight as indicated in thefigure. By means of the thermocouple the temperatureof the gas at the point where the value of the velocityis desired, may be readily obtained directly, whenthere is no current flowing through the heating direct current be used in heating the hot-wireH I, the mean value of the readings obtained forcurrent flowing in each direction should be used;this will avoid the possibility of any error arising,due to the thermocouple wires not being at exactlyt
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Keywords: ., bookcentury1900, bookdecade1920, bookidnewthermoele, bookyear1920
