@article{Zamolodchikov2018efficiency, author={Zamolodchikov, G.I. and Tumashev, R.Z. and Schegolev, N.L. and Furashov, A.S. and Semilet, N.A.}, title={Efficiency Improvement of Industrial Fans if Operating at Off-Design Modes}, journal={Safety in Technosphere}, publisher={INFRA-M Academic Publishing LLC.}, year={2018}, pages={43-51}, volume={7}, issue={3}, }