Design optimization of PCM-based finned heat sinks for mechatronic components: A numerical investigation and parametric study

Debich, Bessem; Hami, Abdelkhalak El; Yaich, A.; Gafsi, Wajih; Walha, Lassâad; Haddar, Mohamed

doi:10.1016/j.est.2020.101960

Cited by 48 publications

(8 citation statements)

References 29 publications

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“…approached 100 W/cm 2 for advanced microprocessors while the heat fluxes dissipation limited to 37 W/cm 2 for air cooling [3], which ultimately increases the working temperature beyond the safe limit resulting in in-efficient performance and shorter life of the devices. The working temperature of electronic devices should be within 85°C -120°C to ensure the efficient performance of devices [4]. Hence an effective cooling method is needed for dissipating the excess heat flux generated.…”

Section: Modelmentioning

confidence: 99%

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Application of Semi-Circular Micro-Channel Heat Sink with Phase Change Material for Cooling of Electronic Devices

Chandra¹,

Prakash²,

Kumar³

et al. 2022

Phase Change Materials - Technology and Applications

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In today’s era demand of fast processing speed and superior performance of electronic devices creates the problem of huge amount of heat generation. About 100 W/cm2 heat fluxes has been generating from advanced microprocessors of latest electronic devices and heat dissipation limited to 37 W/cm2 for air cooling. Semi-circular micro-channel heat sink with Phase change materials still needs to be investigated for the cooling of latest electronic devices as combination of large heat transfer area within a small volume of heat sink and large latent heat released from PCM provides huge amount of heat transfer coefficient which is required to be achieved in the present work. Analytical study of micro-channel heat sink has been performed in the present work at a constant power supply of 95 W using PCM slurry at φ = 0.25 and φ = 0.50 for flow rate in the range of 75 ml/min to 300 ml/min. Heat transfer coefficient of slurry and Nu increases with increase in flow rate. At φ = 0.25 higher heat transfer coefficient and Nu has been observed than φ = 0.50 due to high viscous flow at higher concentration of PCM slurry in micro-channels.

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Section: Modelmentioning

confidence: 99%

“…Some literatures are available on the application of PCM in micro-channel heat sink for dissipating heat fluxes from electronic devices. Debich et al [4] numerically investigated the heat sink based on PCM to find best configuration of heat sink. Analysis is established on the comparison of experimental results of heat sink with and without PCM.…”

Section: Modelmentioning

confidence: 99%

Application of Semi-Circular Micro-Channel Heat Sink with Phase Change Material for Cooling of Electronic Devices

Chandra¹,

Prakash²,

Kumar³

et al. 2022

Phase Change Materials - Technology and Applications

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“…Accordingly, various techniques have been modelled to improve the heat transfer efficiency of the PCM during the charging and discharging methods [18]. These techniques include a combination with the high conductive materials (nanoparticles) [19][20][21][22][23], utilizing an extended surface area for the heat transfer (fins) [21,[24][25][26], combinations with the metal foam [27][28][29][30][31], and using more efficient geometries designs [28,32,33]. Moreover, natural convection is a critical mechanism that can assist the phase change heat transfer in molten regions.…”

Section: Introductionmentioning

confidence: 99%

Thermal Management of the Melting Process in a Latent Heat Triplex Tube Storage System Using Different Configurations of Frustum Tubes

Tiji

Al‐Azzawi²,

Mohammed

et al. 2022

Journal of Nanomaterials

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In this study, the energy charging mechanism is mathematically modeled to determine the impact of design modifications on the thermofluidic behavior of a phase change material (PCM) filled in a triplex tube containment geometry. The surface area of the middle tube, where the PCM is placed, is supported by single or multi-internal frustum tubes in vertical triplex tubes to increase the performance of the heating and cooling of the system. In addition to the ordinary straight triplex tubes, three more scenarios are considered: (1) changing the middle tube to the frustum tube, (2) changing the inner tube to the frustum tube, and (3) changing both the internal and central tubes to the frustum tubes. The impact of adopting the tube designs and gap width were studied. The outcomes reveal that the heat storage rates are increased for all frustum tube systems compared to the straight tube system. According to the results, the case of a gap width of 5 mm is the optimal one among the studied cases in terms of the melting time and the heat storage rate. Employing the frustum tube configuration with a 5-mm gap width would save the melting time by 25.6% and increase the rate of heat storage by 32.8% compared to the base case of straight tubes.

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“…Phase change material (PCM) has been commonly used in heat exchangers [1,2], solar energy storage systems [3][4][5][6][7], and electronic component thermal management systems [8][9][10][11] due to its stable phase change temperature and high energy storage density. With the development of electronic devices to miniaturization and high power, higher requirements are put forward for their heat dissipation performance [12,13].…”

Section: Introductionmentioning

confidence: 99%

Comparative investigation of phase change material on heat transfer characteristics under theoretical and practical periodic temperature boundary

et al. 2022

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In this paper, heat transfer characteristics of phase change material in rectangular containers are numerically analyzed. The inclination angles of the container refer to 0?, 90?, and 180?. Both theoretical and practical periodic temperature boundary conditions are taken into consideration, in which the periodic temperature boundary conditions include 50-80?C and 65-80?C. The comparison study is carried out through the liquid fraction and temperature histories during the heat transfer process under these different boundary conditions. It is indicated that there are large differences between the calculated results under the theoretical and the practical periodic temperature boundary conditions when the temperature boundary is 50-80?C, while the theoretical and the practical periodic temperature boundary conditions of 65-80?C have relatively little effect on the numerical results of the heat transfer process of the phase change material. Furthermore, compared with the temperature increasing stage, the numerical results calculated under the theoretical and the practical boundary conditions have more significant differences in the temperature decreasing stage. The research conclusion of this paper can provide a theoretical basis for the application of PCM under periodic temperature boundary conditions.

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Design optimization of PCM-based finned heat sinks for mechatronic components: A numerical investigation and parametric study

Cited by 48 publications

References 29 publications

Application of Semi-Circular Micro-Channel Heat Sink with Phase Change Material for Cooling of Electronic Devices

Application of Semi-Circular Micro-Channel Heat Sink with Phase Change Material for Cooling of Electronic Devices

Thermal Management of the Melting Process in a Latent Heat Triplex Tube Storage System Using Different Configurations of Frustum Tubes

Comparative investigation of phase change material on heat transfer characteristics under theoretical and practical periodic temperature boundary

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