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Fig. 3 | EPJ Techniques and Instrumentation

Fig. 3

From: Schlieren imaging: a powerful tool for atmospheric plasma diagnostic

Fig. 3

Numerical simulations of (a) the axial velocity Vz (ms− 1) and (b) helium mass fraction Y, compared with (c) an experimental schlieren image, for 1.5 slpm of He flow rate and the plasma in operation (20kVp-p). Schlieren imaging was performed in a Z-type configuration setup with a high-power green light-emitting diode, two spherical mirrors and a Foucault knife-edge tester [44] © Deutsche Physikalische Gesellschaft. Reproduced by permission of IOP Publishing. CC BY-NC-SA

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