Thermal Analysis of a New Neutron Shielding Vacuum Multiple Glass

Shanwen Zhang, Min Kong, Saim Memon, Hong Miao, Yanjun Zhang, Sixing Liu

Research output: Contribution to journalArticlepeer-review


The neutron shielding glass is widely used in nuclear/fusion plants. To improve its temperature resistance and heat insulation, a Gadolinium (Gd)-containing laminate vacuum multiple glass is proposed by using the vacuum insulation method. A 3D finite element model validated by theoretical calculation was developed to analyse the heat transfer path and numerical simulation of the multiple glass was carried out to obtain the temperature distribution and the maximum temperatures of the organic glass in relation to dynamic working temperatures, the sealing agent width, view size, and vacuum thermal conductivity. The results show that the vacuum layer between common glasses can make the work temperature of neutron shielding glass increase. The multiple glass has good heat-shielding performance and it is expected to work in a high-temperature environment. In addition, the vacuum layer between the common glasses and the sealing agent width decay with respect to the view size and vacuum thermal conductivity show an increase in the working temperature of the neutron shielding glass. It was concluded that the order of affecting the temperatures of the organic glass follows the pattern of: view size > vacuum thermal conductivity > sealing agent width.

Original languageEnglish
Article number3083
Number of pages14
JournalSustainability (Switzerland)
Issue number8
Publication statusPublished - 2 Apr 2020
Externally publishedYes


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