Neutron wall loadings, however, can be kept low (by orders of magnitude) compared to D T fuelled plants with the same output power, eliminating the need for replacing the first wall and shielding components during the entire plant lifetime.
This paper presents the most recent status of the design of the EC H&CD Upper Port Plug (UPP), featuring the construction of the supporting structure and the BSM (Blanket Shield Module) with its plasma facing First Wall, the PHTS (Primary Heat Transfer System) water cooling layout, the shielding components engineering, the microwave system integration and comprehensive manufacturing strategies.
Applications extend to new fabrication methods for custom collimators, pinholes, calibration and resolution phantoms, mounting and shielding components, and imaging apertures.
The most complex thermal shield component is the vacuum vessel (VV) thermal shield (VVTS) located in a narrow gap between the toroidal field coil system and the VV.
The paper concentrates on specific thermal shield issues, such as the VVTS overall design including inboard support system and neutral beam ports, details of the VVTS sub-assembly and assembly procedures, section joints, design and efficiency of thermal shield component interfaces, etc.
During different test campaigns, the 4 TBMs will test the three main functions of a blanket module (removing heat, breeding tritium and shielding sensitive components from radiation).
Activation of various beam dump shield components were also carried out.
Making a show of rushing missile shield components into place before they are required, to complete a system that may not work anyway, is a Potemkin defense.
In this paper, mock-ups of the thermal shield components are described and the test results are reported.
It asks the government to explain why it has approved arms exports to Israel and the Occupied Palestinian Territories including for "anti-riot/ballistic shields", components for combat vehicles, small arms, sniper rifles, and military communications equipment.
