Methods of simulating three-dimensional airflows about aircraft component by means of an electrolytic tank are discussed in connection with application to the calculation of water droplet trajectories with an electronic analog computer. Means for simulating sub-critical compressible flows are described. The experimental results indicate that the electrolytic tank can be used to advantage for simulation of three-dimensional incompressible airflows about radomes, nacelles, or similar aircraft components. Compressible flows can be simulated for bodies of revolution at zero angle of attack. The technioue of airflow simulation by means of an electrolytic tank lends itself ideally to the computation of droplet trajectories with an electronic analog computer
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