Natural circulation type cooling apparatus

摘要

A natural circulation type cooling apparatus includes a heat receiver (22) with a heat receiving surface (30a) on which an exothermic body (36) is mounted, and containing therein a coolant, a condenser (24) provided on a horizontally lateral side of the heat receiver, a radiator (26) disposed on a horizontally lateral side of the heat receiver and on a vertically downward side of the condenser, a vapor conduit (58) configured to feed vapor of the coolant to an inlet of the condenser, a condensed liquid conduit (60) configured to feed a condensed coolant from an outlet of the condenser to a coolant inlet of the heat receiver, a coolant conduit (68) configured to feed the coolant to an inlet of the radiator, and a coolant circulation conduit (70) configured to feed the coolant from an outlet of the radiator to the coolant inlet of the heat receiver.