TY JOUR TI IMPROVING THE EFFICIENCY OF THE RECIRCULATING WATER SUPPLY SYSTEM KW recirculating water supply KW absorption refrigeration machine KW and energy efficiency JO Scientific Papers Collection of the Angarsk State Technical University AU Podoplelov, E.V. AU Borodin, Y.M. PY 2026 IS 2026 PB Federal State Funded Educational Establishment of Higher Education «Angarsk State Technical University»