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Latest News
Tank waste operations resume at Idaho’s IWTU
The Department of Energy’s Office of Environmental Management announced yesterday that waste processing operations have resumed at the Integrated Waste Treatment Unit (IWTU) at the Idaho National Laboratory Site. The resumption of operations follows the completion of two maintenance campaigns at the radioactive liquid waste treatment facility.
Hans-Dieter Falter, Ernest Thompson
Fusion Science and Technology | Volume 29 | Number 4 | July 1996 | Pages 584-595
Technical Paper | Plasma Heating System | doi.org/10.13182/FST96-A30700
Articles are hosted by Taylor and Francis Online.
Rectangular Hypervapotron beam-stopping elements made from Cu-Cr-Zr have been used in the Joint European Torus (JET) beam injectors to dissipate up to 100 MW of power. Experience over more than 10 yr is outstanding with not a single failure. At the flow velocities used in the Hypervapotron elements of the JET injectors, the turbulence created by the fins dominates the heat transfer, and the Hypervapotron mechanism is of secondary importance. The main advantage of the Hypervapotron is the geometrical flexibility. The surface can be shaped freely as required without compromising on either heat transfer or total power-handling capability. Flow velocity and flow rate can be independently adjusted to requirements. Peak power densities up to 30 MW/m2 were removed at a flow velocity of 7 m/s and a pressure drop of 0.25 MPa/m. Flow parameters were as follows: velocity ≤11 m/s, inlet pressure ≤1 MPa, and inlet temperature ≤50°C.