Shevkun Nikolay A.
@timacad.ru
Russian State Agrarian University - Moscow Timiryazev Agricultural Academy: Moscow, RU
Scopus Publications
Scopus Publications
Ivan Ignatkin, Sergey Kazantsev, Nikolay Shevkun, Dmitry Skorokhodov, Nikita Serov, Aleksei Alipichev, and Vladimir Panchenko
MDPI AG
This article presents the results of developing and testing the air-cooling system of a combined climate control unit used in pig farming. The authors have found a water-evaporative system to be the most efficient for cooling the air supply. Cooling systems of this type consume 0.003 kW/kW of electric power to produce 1 kW of cold. Based on the developed mathematical model for water-evaporative cooling in the combined climate control unit, the authors have determined that an air supply with a temperature of 31.2 °C and a relative humidity of 30.4% can be cooled by 8.3 °C when saturated with moisture to a relative humidity of 90.0% (by 11.7 °C at 100%). Experimental studies of the cooling system confirmed the theoretically obtained data.
I. Yu. Ignatkin, N. A. Shevkun, A. S. Kononenko, V. Ryabchikova, and V. Panchenko
Springer Nature Switzerland
N V Sergeyeva, V N Arinichev, N A Shevkun, E A Ovsiannikova, and Ya S Chistova
IOP Publishing
Abstract Many agricultural organizations are searching for innovative solutions in the engineering equipment of livestock premises in order to maintain an optimal microclimate in them. With stable keeping, the productivity of animals directly depends on the nutritional value of feed, a certain state of the air, temperature and humidity. The article provides a brief analysis of the indicators of economic activity of Temp LLC in the Kaliningrad region, whose main activity is dairy farming. A reduction in the productivity of dairy livestock and high growth rates of the cost of milk were revealed. Measures are proposed to maintain the microclimate in the cowshed using HB LED lamps and the PM-Kit curtain system controlled by automated Farm Management Support systems. The system allows to control many basic processes for animal care, but the article only covers lighting and air exchange. The measures will increase the average annual productivity of animals by 7.3% and reduce the cost of 1 cent. of milk by 4.6%.