The Measurement of Pressure Through Tubes in Pressure Distribution Tests (1928)
NASA Technical Reports Server (NTRS) · leaf 6
he two ends, and thus furnish experimental data for studying the physical laws governing the magnitude of such pressure differences. The pressure oscillator shown in Figure 2 consisted of a cylinder in which a piston was made (o reciprocate by an ecceniric cam. This motion was so regulated that a… … Fig. 2.—Apparatus used in tests with tube of very small diameter, pressure changing periodically device or "capsule" 1, which was attached to the tube by a tee joint. After traversing the full length of the tube the pressure was recorded on capsule 2. (b) Tests with single-pressure waves: The…
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