27 May 2021
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Initial results from the UK Atomic Energy Authority s (UKAEA s) new MAST Upgrade experiment at the Culham Centre for Fusion Energy (CCFE) in Oxfordshire, England, have demonstrated the effectiveness of an innovative exhaust system designed to make compact fusion power plants commercially viable. The new exhaust system - called the Super-X divertor - is designed to channel plasma out of the machine at temperatures low enough for its materials to withstand - meaning that components can last much longer.
Interior of the MAST Upgrade spherical tokamak (Image: UKAEA)
Using a machine called a tokamak , a fusion power station will heat a gas, or plasma , enabling types of hydrogen fuel to fuse together to release energy that can generate electricity. A key challenge to commercialising tokamaks is the removal of excess heat produced during fusion reactions. Without an exhaust system that can handle this intense heat, materials will have to be regularly replaced - sign
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I am a health sociologist at the Oxford Vaccine Group and the Oxford Martin School. I research health, society, and policy topics and am working on projects about attitudes to vaccination, the history of typhoid fever, neglected tropical disease advocacy, and public health responses during outbreaks.