Supercomputing and Computation


Computational Heat Transfer and Fluid Dynamics

Computational Heat Transfer and Fluid Dynamics is the use of computers and numerical techniques to solve problems involving heat transfer.

Related Projects

1-3 of 6 Results

Drag Reduction with Superhydrophobic Surfaces
— Hydrodynamic drag reduction has always been of great interest since it can effectively reduce energy consumption and increase performance in a broad range of applications. With recent advances in nanotechnology, new smart materials described as superhydrophobic have been shown to be capable of reducing drag over a large range of fluid regimes. However, drag reduction trends of these materials are not well understood in turbulent regimes.

Flow and Heat Transfer Simulations for ITER’s CVC
— ITER has unique vacuum pumping requirements due to high throughput tritium operation. The roughing system cannot use conventional pumps; therefore a cryopump (CVC) is developed at ORNL to effectively pump the hydrogenic species, while allowing helium impurities to be exhausted to atmosphere. A single tube prototype was built and a full prototype is in progress.

Massive Gas Injection scheme for ITER’s DMS
— ITER needs a reliable fast acting tool to mitigate the possible sudden unplanned terminations of the plasma that could damage the plasma chamber from thermal loads, high magnetic forces, and runaway electrons. The Disruption Mitigation System (DMS) consists of injecting a large quantities of mass into the plasma. The massive gas injection (MGI) is investigated here.


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