al apparatus was assembled in which the velocity of flowcould be measured. The schematic drawing, Fig. 3, rendersdescription unnecessary. The velocity of the ciurent of water past the thermometer bulbwas computed from the quantity of water delivered in a definite time and the area of the annular… … Fig. 3.—Apparatus for determining lag of thermometer in a streamof liquid flowing at a definite rate This does not take account of the drag near the walls, but thenature of the problem in hand does not warrant such refinement.With the stream flowing at the desired rate, and its temperaturethat of…
Measurements and use of instruments · Thermometry, pyrometry and calorimetry · Heat flow, thermal and thermodynamic processes
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