Small scale refrigeration system for electronics cooling within a notebook computer

Mongia, Rajiv; Kuroda, Masahiro; Distefano, Eric; Barry, Jim; Chen, W.; Izenson, Michael G.; Possamai, F.C.; Zimmermann, Augusto Jose Pereira; Mochizuki, Masahito

doi:10.1109/itherm.2006.1645421

Cited by 39 publications

(43 citation statements)

References 2 publications

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“…Chiriac and Chiriac (2008) concurred with this assessment in a recent review. Other investigations into refrigeration technology have led to the development of system prototypes (Mongia et al, 2006) and system-level models such as ones by Heydari (2002) and Possamai et al (2008).…”

Section: Introductionmentioning

confidence: 99%

A comprehensive model of a miniature-scale linear compressor for electronics cooling

Bradshaw

Groll

Garimella

2011

International Journal of Refrigeration

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A comprehensive model of a miniature-scale linear compressor for electronics cooling is presented. Linear compressors are appealing for refrigeration applications in electronics cooling. A small number of moving components translates to less theoretical frictional losses and the possibility that this technology could scale to smaller physical sizes better than conventional compressors. The model developed here incorporates all of the major components of the linear compressor including dynamics associated with the piston motion. The results of the compressor model were validated using experimental data from a prototype linear compressor. The prototype compressor has an overall displacement of approximately 3cm3 , an average stroke of 0.6 cm. The prototype compressor was custom built for this work and utilizes custom parts with the exception of the mechanical springs and the linear motor. The model results showed good agreement when validated against the experimental results. The piston stroke is predicted within 1.3% MAE. The volumetric and overall isentropic efficiencies are predicted within 24% and 31%, MAE respectively.

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Section: Introductionmentioning

confidence: 99%

A comprehensive model of a miniature-scale linear compressor for electronics cooling

Bradshaw

Groll

Garimella

2011

International Journal of Refrigeration

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“…In particular, as will be evident from the detailed review of the literature presented here, very limited attention has been directed towards details of the influence of thermodynamic vapor quality on the heat transfer coefficient in microchannels. Knowledge of the flow boiling heat transfer coefficient as a function of vapor quality is essential in applications such as vapor compression-based refrigeration, which has been shown to be an effective means for cooling electronics [21][22][23]. All of the refrigerant liquid stream goes through a change of phase to the vapor state in such systems.…”

Section: Introductionmentioning

confidence: 99%

Review and Comparative Analysis of Studies on Saturated Flow Boiling in Small Channels

Bertsch¹,

Groll²,

Garimella³

2008

Nanoscale and Microscale Thermophysical Engineering

112

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Recent studies relating to saturated flow boiling in minichannels and microchannels are reviewed, with a focus on the functional dependence of the heat transfer characteristics on thermodynamic vapor quality. While there is general agreement in the literature that the heat transfer coefficient increases with increases in heat flux, conflicting trends have been reported on the influence of vapor quality. A compilation and analysis of the results from recent investigations in the literature on flow boiling in small channels is presented.Further, correlations for flow boiling proposed in these studies are quantitatively assessed by comparing them against ten independent data sets from the published literature covering a range of hydraulic diameters from 0.16 to 2.01 mm. Recommended topics for future research in this field are also identified.

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“…In contrast, refrigeration with vapor compression systems [12,13,14] has received less attention even though it has been shown to be an effective means for lowering the coolant temperature, and therefore, maintaining acceptable device temperatures when dissipating high heat fluxes. The primary advantages of small-scale vapor compression systems are the possibility of achieving fluid temperatures below ambient, a lower freezing point compared to water, and compatibility with electronic circuits in case of leakage due to their higher dielectric strength.…”

Section: Introductionmentioning

confidence: 99%

Refrigerant flow boiling heat transfer in parallel microchannels as a function of local vapor quality

Bertsch

Groll

Garimella

2008

International Journal of Heat and Mass Transfer

166

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Small scale refrigeration system for electronics cooling within a notebook computer

Cited by 39 publications

References 2 publications

A comprehensive model of a miniature-scale linear compressor for electronics cooling

A comprehensive model of a miniature-scale linear compressor for electronics cooling

Review and Comparative Analysis of Studies on Saturated Flow Boiling in Small Channels

Refrigerant flow boiling heat transfer in parallel microchannels as a function of local vapor quality

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