Double-pipe heat exchanger and refrigeration cycle device

• Main Authors: YANACHI SATORU, KATO YOHEI
• Format: Patent
• Language: English
• Published: 28.10.2015
• Subjects: BLASTING; DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OFGENERAL APPLICATION; HEAT EXCHANGE IN GENERAL; HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS,IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT; HEATING; LIGHTING; MECHANICAL ENGINEERING; WEAPONS

Provided are a double-pipe heat exchanger and the like with which the heat exchange performance can be increased when a two-phase flow flows in a second flow path. This double-pipe heat exchanger (1) is equipped with an expanded-heat-transfer-area pipe (11) having protrusions and recesses in the rad...