V. A. Lapitskaya
A.V. Luikov Heat and Mass Transfer Institute of the National Academy of Science of Belarus; Belarusian National Technical University
Belarus

Address for correspondence:
Lapitskaya V.A.
A.V. Luikov Heat and Mass Transfer Institute of NAS of Belarus,
P. Brovki str., 15, Minsk 220072, Belarus
e-mail: vasilinka.92@mail.ru

T. A. Kuznetsova
A.V. Luikov Heat and Mass Transfer Institute of the National Academy of Science of Belarus; Belarusian National Technical University
Belarus

P. Brovki str, 15, Minsk 220072; 
Nezavisimosty Ave., 65, Мinsk 220013

S. A. Chizhik
A.V. Luikov Heat and Mass Transfer Institute of the National Academy of Science of Belarus; Belarusian National Technical University
Belarus

P. Brovki str, 15, Minsk 220072; 
Nezavisimosty Ave., 65, Мinsk 220013