TY JOUR TI Optimization of operating modes of ship refrigeration plant with artificial cold accumulator KW cold accumulating KW direct contact cooling KW refrigerator ship KW marine refrigeration units KW energy efficiency KW Lagrange method JO Vestnik of Astrakhan State Technical University. Series: Marine engineering and technologies AU Semenov, A.. AU Andreev, A.. PY 2023 IS PB Astrakhan State Technical University