Correction to: A review of pebble flow study for pebble bed high temperature gas-cooled reactor

The article “A review of pebble flow study for bed high temperature gas-cooled reactor” written by Shengyao Jiang, Jiyuan Tu, Xingtuan Yang, and Nan Gui, was originally published electronically on the publisher’s internet portal (currently SpringerLink) 11 June 2019 without open access. After publication in Volume 1, Issue 3, page 159–176, author(s) decided to opt Open Choice make an access publication. Therefore, copyright has been changed © Author(s) 2020 is forthwith distributed under terms Creative Commons Attribution 4.0 International License ( http://creativecommons.org/licenses/by/4.0/ ), which permits use, duplication, adaptation, distribution reproduction any medium or format, as long you give appropriate credit original source, provide a link license, indicate if changes were made.