%0 Journal Article %T Circuit decisions for heating vegetable oil tanks using thermal pump at Marine Trade Port Olya, JSC in Astrakhan region %A Ilyin, R.. %A Shishkin, N.. %A Konkov, I.. %A Volkova, A.. %K vegetable oil tanks, heat pump, renewable energy sources, heat supply system, circuit solutions %J Vestnik of Astrakhan State Technical University. Series: Marine engineering and technologies %D 2020 %N 2020 %P 6 %I Astrakhan State Technical University