3-D numerical and experimental models for flat and embedded heat pipes applied in high-end VGA card cooling system

Wang, Jung‐Chang

doi:10.1016/j.icheatmasstransfer.2012.07.030

Cited by 13 publications

(2 citation statements)

References 21 publications

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“…Therefore, VC propagates huge heat capacity speedily and is achievable to be adopted in insert molding manufacture. The metal insert was put into the mold initially and fabricated into inserted plastic goods via injection molding [ 46 , 47 ]. The dimensions of the VC employed in this study were 80 × 50 × 4 mm 3 with a porosity of 0.46 and the lowest thermal resistance of 0.15 °C/W.…”

Section: Methodology and Materialsmentioning

confidence: 99%

Investigations on Temperatures of the Flat Insert Mold Cavity Using VCRHCS with CFD Simulation

Wang

Chen

2022

Polymers

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This paper adopted transient CFD (Computational Fluid Dynamics) simulation analysis with an experimental method for designing and surveying the quick and uniform rise in the temperature of the plastics into the insert mold cavity. Plastic injection molding utilizing VCRHCS (Vapor Chamber for Rapid Heating and Cooling System) favorably decreased the defects of crystalline plastic goods’ welding lines, enhancing the tensile intensity and lowering the weakness of welding lines of a plastic matter. The vapor chamber (VC) possessed a rapid uniform temperature identity, which was embedded between the heating unit and the mold cavity. The results show that the tensile strength of the plastic specimen increased above 8%, and the depths of the welding line (V-gap) decreased by 24 times (from 12 μm to 0.5 μm). The VCRHCS plastic injection molding procedure can constructively diminish the development time for novel related products, as described in this paper.

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Section: Methodology and Materialsmentioning

confidence: 99%

Investigations on Temperatures of the Flat Insert Mold Cavity Using VCRHCS with CFD Simulation

Wang

Chen

2022

Polymers

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“…Heat pipes have a proven track record in many areas, including space applications [1], computer and electronics [2], ventilation and air conditioning [3,4], including dehumidification devices [5] heating systems [6,7], solar energy systems [8], water desalination [9] and nuclear energy [10]; however, waste heat recovery seems to be the preferred application for heat-pipe-equipped heat exchangers [3], partly due to some specific characteristics, namely, the simple structure, high efficiency, compact build, reversibility and the lack of energy input requirement.…”

Section: Introductionmentioning

confidence: 99%

CFD simulation and analysis of a gas to water two-phase closed thermosyphon-based heat exchanger

Ramos¹,

Chong²,

Tan³

et al. 2014

WIT Transactions on Engineering Sciences

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Wickless heat pipes are devices with high reliability and heat transfer potential per unit area. Owed to that fact, their application range has been widened in the past 20 years. In the process industry, they are usually coupled to waste heat recovery devices, namely heat exchangers. Heat-pipe-based heat exchangers offer many advantages when compared to conventional waste heat recovery systems, such as increased reliability and reduced cost of production. The design of such devices, however, is not a straightforward process due to the complex modes of heat transfer mechanisms involved. In this paper, the characterisation of a cross-flow heat pipe based heat exchanger is made via the use of ANSYS Fluent, a CFD solver. A design tool with the purpose of predicting the performance of the test unit is also developed and validated through comparison between the CFD model and previous experimental results.

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A fitting, simple and versatile window program (HSHPTM) design using lumped parameters and one-dimensional thermal resistance models

Wang

2012

Heat Mass Transfer

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3-D numerical and experimental models for flat and embedded heat pipes applied in high-end VGA card cooling system

Cited by 13 publications

References 21 publications

Investigations on Temperatures of the Flat Insert Mold Cavity Using VCRHCS with CFD Simulation

Investigations on Temperatures of the Flat Insert Mold Cavity Using VCRHCS with CFD Simulation

CFD simulation and analysis of a gas to water two-phase closed thermosyphon-based heat exchanger

A fitting, simple and versatile window program (HSHPTM) design using lumped parameters and one-dimensional thermal resistance models

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