학술논문

Heat Transfer Characteristics Evaluation of Multi-Elbow Cooling System for Fusion Divertor under One-Sided Heating
Document Type
Journal Article
Source
Plasma and Fusion Research. 2023, 18:2405034
Subject
boiling heat transfer
divertor cooling
multi-elbow piping
one-sided heating
swirling flow
Language
English
ISSN
1880-6821
Abstract
In this study, a cooling system for fusion reactor divertor that utilizes a swirling flow generated downstream of multi-elbow piping was proposed, and flow fields of the multi-elbow piping (triple elbow) were investigated using flow visualization experiment. Additionally, heat transfer experiment was conducted under one-sided heating condition to simulate a fusion reactor environment. The results revealed that the heat flux removed by the swirling flow in the elbow piping exceeded the critical heat flux in straight piping, and a heat removal performance of up to 25 MW/m2 was achieved.