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The Square Kilometer Array (SKA) has now entered into the pre-construction phase, A hundred of institutes in about 20 countries including China have been involved in its key technology development. The Dish Verification Antenna China (DVA-C) is a prototype being built to farthest meet the requirements from the SKA scientific goals, with unique skin-and-rib structure single-piece panel reflectors....
This paper focuses on decreasing the thrust ripple of an axial-flux permanent-magnet linear synchronous machine (PMLSM) used for free-piston Stirling engines. A typical 1kW machine with 10 poles and 9 slots is investigated. By finite-element method (FEM), detent force and thrust ripple are analyzed for different axial and radial dimensions of the end stator tooth. Meanwhile, the similar trends of...
The recent progress in soft magnetic composite (SMC) material has made it an alternative for motor armature core material to silicon steel. The manufacturing process of armature core made of SMC can be greatly simplified by extrusion moulding. Moreover, the isotropic characteristic of SMC enables more flexible structure designs for electric machines compared with the 2D flux distribution of traditional...
The BLACS is a communication library for linear algebra computing on distributed memory parallel computing systems. ID-less communication is one of features of the BLACS. ID-less communication means that the no message ID is carried during communication. ID-less communication is important to strengthen programmability of the BLACS and improve quality of parallel applications. The point to point communication,...
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