Abstract: A standing wave in a water current, which is subject to purification, is swirled in the lower mass-exchange chamber in order to create negative pressure along the central axis, the atmosphere air intake and crating of two countercurrents interacting with each other, resulting in a standing wave and oxygenation of the water current. A cylindrical mixing chamber, which is divided into the upper mass-exchange chamber and the lower mass-exchange chamber by dividing walls with a coaxial orifice towards the air-supply pipe and peripheral bypass channel. In the lower mass-exchange chamber, water, which is subject to purification, is swirled and under the negative pressure in the center it intakes air from the air-supply pipe, creating hydrosol and reaction area of ion exchange due to forming of the standing acoustic wave. Part of the processed current is outlet into the volume through a permeable wall in the side surface of the upper mass-exchange chamber.

Abstract: The inventive method consists in forming stationary waves in such a way that a vibrating combustion mode is maintained in an internal combustion engine by displacing exhaust gas in the form of two interacting swirl and central flows in a device. The inventive device comprises a body (1) embodied in the form of a plain cylindrical pipe provided with input (2) and output (3) openings, a guide vane (4) which is used for swirling exhaust gas flow and is embodied in the form of two flat deviating plates (5) fixedly arranged on the internal surface of the pipe at an angle to a central axis (6). The guide vane (4) comprises a free paraxial area which is formed around the central axis (6) which axially connects the vane (4) to a generating chamber (7) and a diffuser (8). The guide vane (4) divides the exhaust gas flow into two flows, i.e. a central paraxial flow (9) and a swirl (peripheral) flow (10).

Abstract: The proposed heating method includes supplying a liquid heat carrier to a heating area by means of turning it about the cylindrical surface of a heater in such a way as to form an axially symmetric swirl flow, the trajectory of each heat carrier particle being tangent to the surface of the heater the temperature of which is higher than the critical thermal point of the heat carrier. The heating device contains a heat exchanger having a cylindrical body, tangentially positioned pipes for supplying the cold heat carrier and pipes for discharging the hot heat carrier. The heater having a cylindrical surface is coaxially arranged in the cylindrical body. The heating device contains an expansion tank, binding pipes and heat exchangers. The temperature of the heater is controlled by means of thermocouples. An electric heat source (a resistance helix) is located in the heater.

Abstract: A standing wave in a water current, which is subject to purification, is swirled in the lower mass-exchange chamber in order to create negative pressure along the central axis, the atmosphere air intake and crating of two countercurrents interacting with each other, resulting in a standing wave and oxygenation of the water current. A cylindrical mixing chamber, which is divided into the upper mass-exchange chamber and the lower mass-exchange chamber by dividing walls with a coaxial orifice towards the air-supply pipe and peripheral bypass channel. In the lower mass-exchange chamber, water, which is subject to purification, is swirled and under the negative pressure in the center it intakes air from the air-supply pipe, creating hydrosol and reaction area of ion exchange due to forming of the standing acoustic wave. Part of the processed current is outlet into the volume through a permeable wall in the side surface of the upper mass-exchange chamber.