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It is proposed to control plasma turbulence near the LCMS of a tokamak with a system of electrodes made from porous tungsten. We propose to apply the RF modulation at the ion-cyclotron resonance frequency for driving of fluctuations near the LCMS. Porous tungsten plates used as biasing electrodes are the advantage to increase the emissivity of the porous surface and to reduce a surface erosion. To reduce the drag and thermal load on streamlined surfaces at supersonic and hypersonic speeds, it is proposed to cover the aircraft with materials of high porosity. The first experiments were carried by using model with fractal surfaces having non-Gaussian height statistics from ∼ 500 nanometers to ∼ 200 micrometers obtained by plasma treatment. The advantage of such a surface is the coincidence of the spectral and statistical characteristics of the stochastic topography of the surface with the turbulence characteristics of the flow.

Application of innovative materials with stochastic nano- and microstructure of the surface: control of turbulent flows in plasma and aerodynamics