A numerical investigation is carried out on the effects of flow maldistribution on the temperature uniformity and overall ther-mal resistance in double-layered microchannel heat sinks. Dif-ferent flow maldistribution models accounting for the effects of some typical header designs are considered together with differ-ent combinations of the average inlet velocity in the two layers of microchannels for a given total mass flow rate. The numerical simulations are carried out using an in-house FEM procedure previously developed by the authors for the analysis of cross-flow microchannel heat exchangers.
Flow maldistribution effects on the temperature uniformity in double-layered microchannel heat sinks
Nonino, Carlo;Savino,Stefano
2019-01-01
Abstract
A numerical investigation is carried out on the effects of flow maldistribution on the temperature uniformity and overall ther-mal resistance in double-layered microchannel heat sinks. Dif-ferent flow maldistribution models accounting for the effects of some typical header designs are considered together with differ-ent combinations of the average inlet velocity in the two layers of microchannels for a given total mass flow rate. The numerical simulations are carried out using an in-house FEM procedure previously developed by the authors for the analysis of cross-flow microchannel heat exchangers.File in questo prodotto:
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