Abstract
A multi-connected complete mixing type thermal energy storage tank consists of divided tanks with connecting holes. Connecting holes should be installed to promote complete mixing of each divided tank alternatively. However, their arrangements, especially in aged tanks, are not always the most suitable, and mixing state in each divided tanks could be deteriorated. Aiming to investigate mixing state of thermal storage tank, we carried out detailed measurement in aged thermal storage tank after remodeling. It was found that divided tank with inappropriate arranged connecting holes results in thermal stratification.
