Abstract
As a result of the research, an adaptive three-pipe heat exchanger was developed, containing coaxially installed pipes, a condensate drain pipe, an exhaust shaft passing through the outer pipe, a supply fan, an exhaust fan, distribution openings, an air filter, and a duct electric heater. The adaptive three-pipe heat exchanger is additionally equipped with servo drives with dampers, temperature sensors, air velocity sensors installed on all distribution openings, an air quality sensor located in the room, a control unit that is connected to the supply fan, exhaust valve by means of signal wires. heater, servo drives, temperature sensors, air speed sensors and air quality sensor As a result of theoretical studies, confirmed experimentally (correlation coefficient R = 0.98), a method was developed and based on it an algorithm for determining the area of holes in the air duct of an adaptive three-pipe heat exchanger for livestock buildings was developed . It has been established that the distance between the holes gradually decreases to a certain value in the opposite direction of the air flow. However, there is a slight reduction in distance at the end of the heat exchanger duct due to the backflow of air that collides with the plugged end.
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