Measurements of Intensity and Scale of Wind-Tunnel Turbulence and Their Relation to the Critical Reynolds Number of Spheres (1937)
NASA Technical Reports Server (NTRS) · leaf 9
e u2 voltage drop across each wire. From the voltage drop, which is the conventional correlation coefficient. Since, the current, and the temperature coefficient of resist- however, it is only possible to measure the average of ance, the temperature of the wire could be computed, a the fluctuations… … correlation of unity as does Mb, this method was less Figure 4.—The traversing apparatus used to vary the distance between hot wires in the measurement of correlation between velocity fluctuations. sensitive and was never used. In the wiring diagram of figure 3 the potentiometer By means of the…
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