Study of Potential Application Air Curtains in Livestock Premises at Cattle Management Farms

Aleksey Kuzmichev, Aleksei Khimenko (), Dmitry Tikhomirov, Dmitry Budnikov, Marek Jasiński, Vadim Bolshev and Ivan Ignatkin
Additional contact information
Aleksey Kuzmichev: Federal Scientific Agroengineering Center VIM, 109428 Moscow, Russia
Aleksei Khimenko: Federal Scientific Agroengineering Center VIM, 109428 Moscow, Russia
Dmitry Tikhomirov: Federal Scientific Agroengineering Center VIM, 109428 Moscow, Russia
Dmitry Budnikov: Federal Scientific Agroengineering Center VIM, 109428 Moscow, Russia
Marek Jasiński: WWSIS “Horyzont”, 54-239 Wrocław, Poland
Vadim Bolshev: Federal Scientific Agroengineering Center VIM, 109428 Moscow, Russia
Ivan Ignatkin: Moscow Timiryazev Agricultural Academy, Russian State Agrarian University, 127550 Moscow, Russia

Agriculture, 2023, vol. 13, issue 6, 1-19

Abstract: Recommendations on the selection of air curtains and the calculation of their parameters for livestock premises in cattle management farms are made. The air curtain functioning principle is analyzed from the air jet theory point of view. The block diagram and modular design of air curtains with a variable air jet direction vector and with controlled slit width are designed. Laboratory tests of the newly designed air curtain structure are performed in accordance with the microclimate requirements for the cattle management farm premises. Based on the experimental results, the major air curtain parameters are calculated for the range from 10° to 60° of angle α between the direction of the air jet outward from the air curtain slit and aperture plane, and for the air curtain slit width b 0 in the range from 0.05 m to 0.15 m with the account of the wind speed V w variations. Calculated values for amounts of energy that have to be consumed to ensure the required air jet velocity, in the output from the air curtain, and those for the quantity of thermal energy required to heat the air supplied to the air curtain, depending on the angle α and on the slit width b 0 , can be helpful for selecting the power capacity of both the air curtain fan and electric heater. A block diagram of the air curtain control for cattle management farm premises is designed, enabling automatic control of the airflow rate, the angle of the air jet output from the air curtain slit, and the temperature of the heated air supplied to the air curtain, considering particular climate conditions. According to the preliminary estimate, applications of the newly designed air curtain will make it possible to reduce the energy consumed to maintain the required microclimate conditions in cattle management premises by 10% to 15% in the cold period.

Keywords: air curtain; air jet theory; air jet velocity; air mixture; airflow rate; microclimate in cattle management premises; wind load (search for similar items in EconPapers)
JEL-codes: Q1 Q10 Q11 Q12 Q13 Q14 Q15 Q16 Q17 Q18 (search for similar items in EconPapers)
Date: 2023
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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