Plate-pin heat sinks are widely used for the electronic cooling system,internal combustion IC engine,cooling of gas turbine blades and other different applications to enhance the thermal performance of heat sinks due ...Plate-pin heat sinks are widely used for the electronic cooling system,internal combustion IC engine,cooling of gas turbine blades and other different applications to enhance the thermal performance of heat sinks due to simplicity,low cost,and a reliable manufacturing process.However,compact heat sinks give higher pressure drop compared with other types of heat sinks.The purpose of this article is to summarise the main advantages and disadvantages of the compact heat sink with some recommendation studies for future works heat sink thermal airflow experiment and simulations.Furthermore,the research attempts to highlight the importance of balance the relationship between the hydraulic performance and the thermal performance of compact heat sinks。展开更多
In this paper,the unsteady magnetohydrodynamic(MHD)squeezing flow between two parallel disks(which is filled with nanofluid)is considered.The Galerkin optimal homotopy asymptotic method(GOHAM)is used to obtain the sol...In this paper,the unsteady magnetohydrodynamic(MHD)squeezing flow between two parallel disks(which is filled with nanofluid)is considered.The Galerkin optimal homotopy asymptotic method(GOHAM)is used to obtain the solution of the governing equations.The effects of Hartman number,nanoparticle volume fraction,Brownian motion parameter and suction/blowing parameter on nanofluid concentration,temperature and velocity profiles have been discussed.Furthermore,a comparison between obtained solutions and numerical ones have been provided.展开更多
文摘Plate-pin heat sinks are widely used for the electronic cooling system,internal combustion IC engine,cooling of gas turbine blades and other different applications to enhance the thermal performance of heat sinks due to simplicity,low cost,and a reliable manufacturing process.However,compact heat sinks give higher pressure drop compared with other types of heat sinks.The purpose of this article is to summarise the main advantages and disadvantages of the compact heat sink with some recommendation studies for future works heat sink thermal airflow experiment and simulations.Furthermore,the research attempts to highlight the importance of balance the relationship between the hydraulic performance and the thermal performance of compact heat sinks。
文摘In this paper,the unsteady magnetohydrodynamic(MHD)squeezing flow between two parallel disks(which is filled with nanofluid)is considered.The Galerkin optimal homotopy asymptotic method(GOHAM)is used to obtain the solution of the governing equations.The effects of Hartman number,nanoparticle volume fraction,Brownian motion parameter and suction/blowing parameter on nanofluid concentration,temperature and velocity profiles have been discussed.Furthermore,a comparison between obtained solutions and numerical ones have been provided.