A silicon-carbide micro-capillary pumped loop for cooling high power devices

Meyer, L.; Dasgupta, Samhita; Shaddock, David; Tucker, Jesse B.; Fillion, R.; Bronecke, P.; Yorinks, L.; Kraft, P.

doi:10.1109/stherm.2003.1194386

Cited by 12 publications

(11 citation statements)

References 8 publications

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“…The displacement and force at the center of a circular diaphragm under uniformly distributed load q is determined by Eqs. 7and (8), respectively [47], [48]: ,…”

Section: Estimation Of the Pump's Rectified Performance Using The Lummentioning

confidence: 99%

“…Flow in a closed system possesses several advantages, for example minimizing the number of analyzed samples [1], [2], improving the mixing [3]- [5] and the cooling [6]- [8], and a partial or complete freedom from the contamination by environmental variations [9], [10]. With the introduction of circulatory flow, the integration and miniaturization of measuring systems significantly enhance the capability and impact of microfluidic systems [11]- [15].…”

Section: Introductionmentioning

confidence: 99%

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Fluidic mechanism for dual-axis gyroscope

Dau

Dinh

Tran

et al. 2018

Mechanical Systems and Signal Processing

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In this paper, we report a further study of flow-network generating four jet flows which circulate in a sealed device to experimentally investigate the feasibility and efficiency of a dual-axis gyroscope. The experiment is carried out successfully and the experimental results reasonably agreed with those obtained by numerical analysis using OpenFOAM. The flow rectifying coefficient is determined using the mathematical lump model for a vibrating system, which takes into account of the device geometry and resonant frequency. Experimental and numerical results demonstrate that the coefficient of the new system developed in this study is significantly higher than those of conventional designs. The hotwire-integrated device which can function as a dual-axis gyroscope is tested using a turntable with speeds up to 1900 rpm. The scale factor and cross-sensitivity of the system are 0.26 μVs/° and 1.2 %, respectively. The cross-sensitivity and the effects of linear acceleration, actuating voltage on the diaphragm, heating power and position of hotwires are also investigated.

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“…The displacement and force at the center of a circular diaphragm under uniformly distributed load q is determined by Eqs. 7and (8), respectively [47], [48]: ,…”

Section: Estimation Of the Pump's Rectified Performance Using The Lummentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Fluidic mechanism for dual-axis gyroscope

Dau

Dinh

Tran

et al. 2018

Mechanical Systems and Signal Processing

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show abstract

“…Compared to HPs, LHPs offer many advantages in terms of operation against gravity, maximum heat transport capability, smooth walled flexible transport lines, and rapid diode action [52]. An LHP is very similar to a CPL, except that the LHP has a compensation chamber (CC) instead of a remote reservoir [53,54]. As shown in Figure 6, the basic distinction between CPLs and LHPs is clearly the position of the CC, which has a significant impact on the design and operation of the capillary loop [52].…”

Section: Wicks In Mini/micro Heat Pipesmentioning

confidence: 99%

A review of small heat pipes for electronics

Chen

Fan

et al. 2016

Applied Thermal Engineering

241

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“…Figure 5 shows that increasing the length of the liquid line from L l = 10 mm to 50 mm appears to cause a slight increase in pressure drop Pl but heat transfer decreased slightly. 4 2. Figure 7 shows that increasing the depth of the liquid line from hl = 20 μm to 160 μm will decrease the pressure drop and cause a marginal increase in the heat transfer.…”

Section: Dimensional Effect Of Liquid Linementioning

confidence: 99%

“…1x10 4 3 . increasingly important for the continuation of technological advances in a wide variety of scientific and engineering fields.…”

Section: 5x10 4 T5mentioning

confidence: 99%

Dimensional Effect of Micro Capillary Pumped Loop

2010

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This study discusses the components' geometry and its effect on the capability of heat transmission and pressure drop because of its evident influence on the performance of micro capillary pumped loop (MCPL). On analyzing the dimensional effect on heat transmission and pressure gradient of MCPL device, some results were yielded and addressed as follows: The vapor line was the most important factor among the components of MCPL in heat transmission and pressure drop. Furthermore, the depth of vapor line was the main parameter because of its drastic effect. In addition, at depth of vapor line, h v , ranging from 20 μm to 150 μm, the amount of heat transferred for system will increase, but decrease the pressure drop. However, for h v larger than 150 μm, the heat transfer and pressure drop both will reach a limit. A new family of geometrical dimensions of MCPL possessing an excellent heat flux of 178 W/cm 2 would be obtained. These findings will be useful in designing a better MCPL.

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A silicon-carbide micro-capillary pumped loop for cooling high power devices

Cited by 12 publications

References 8 publications

Fluidic mechanism for dual-axis gyroscope

Fluidic mechanism for dual-axis gyroscope

A review of small heat pipes for electronics

Dimensional Effect of Micro Capillary Pumped Loop

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