Multiphysics optimization, synthesis, and application of jet impingement target surfaces

This paper is focused on the synthesis and application of optimized jet impingement target surfaces for electronics device cooling. A multiphysics topology optimization method is reviewed along with two-dimensional results for an optimal local jet impingement heat transfer surface. Multiple surface topologies are utilized as building blocks in the development of a three-dimensional cooling structure having a mini-scale textured surface for jet impingement. The thermal and fluid performance of this structure is compared with that of a benchmark structure using respective multiphysics finite element models comprising a generic electronics package. Conjugate heat transfer and fluid flow results indicate that the optimized jet impingement surface reduces device temperature at the cost of increased pressure drop. The highlighted optimization and synthesis procedure represents a unique approach to the design of complex multiphysics cooling systems.