. A new thermo-electric fluid-meter and hot-wire anemometer. ly is rarely objeotionable and the use ofthis aDpliance Is growing constantly. It may beused particularly well in high-pressure power plantswhere a continuous reading may be obtained by therecording apparatus; also to measure boiler feed andfor measuring liguids heavier and lighter than has shown that with the register, con-tinuous measurements have b^^er made with an error notexceeding 3 per cent. The Cole Pltometer, as Illustrated infigure Q by the use of the differential gauge,registers the difference in pressure
. A new thermo-electric fluid-meter and hot-wire anemometer. ly is rarely objeotionable and the use ofthis aDpliance Is growing constantly. It may beused particularly well in high-pressure power plantswhere a continuous reading may be obtained by therecording apparatus; also to measure boiler feed andfor measuring liguids heavier and lighter than has shown that with the register, con-tinuous measurements have b^^er made with an error notexceeding 3 per cent. The Cole Pltometer, as Illustrated infigure Q by the use of the differential gauge,registers the difference in pressure on the twoorifices, one pointed directly against the current andthe other in the exactly opposite direction. Thisdifference in pressure is not a maapure of the Telocityhead dlrectlv, but is greater than the velocity head,For these instrimients the coefficient (K) of correctionhas been found to be nearly a constant, and equal to,84, The formula for velocity therefore becomes ^^/ir^/Vo.^. AA/£/yfoAf£r£>< /^/^/v/vj AAC£ //S. 3£r/=-£^ e/ifGGS.
Size: 2539px × 984px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1920, bookidnewthermoele, bookyear1920
