Compact cooler for electronics on the basis of a pulsating heat pipe

Maydanik, Yury F.; Dmitrin, V. I.; Pastukhov, Vladimir G.

doi:10.1016/j.applthermaleng.2009.06.005

Cited by 59 publications

(17 citation statements)

References 2 publications

(2 reference statements)

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“…The PHP design variants being proposed and studied have the potential to meet present high heat-flux electronics cooling [1][2][3][4], heat recovery [5,6], air preheating and drying [7,8], to name only a few.…”

Section: Introductionmentioning

confidence: 99%

Experimental investigations on operating characteristics of a closed loop pulsating heat pipe

Wang

2015

Front. Energy

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The operating mechanism of the pulsating heat pipe (PHP) is not well understood and the present technology cannot predict required design parameters for a given task. The aim of research work presented in this paper is to better understand the operation regimes of the PHP through experimental investigations. A series of experiments were conducted on a closed loop PHP with 5 turns made of copper capillary tube of 2 mm in inner diameter. Two different working fluids viz. ethanol and acetone were employed. The operating characteristics were studied for the variation of heat input, filling ratio (FR) and inclination angle of the tested device. The results strongly demonstrate the effect of the filling ratio of the working fluid on the operational stability and heat transfer capability of the device. Important insight into the operational characteristics of PHP has been obtained.

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Section: Introductionmentioning

confidence: 99%

Experimental investigations on operating characteristics of a closed loop pulsating heat pipe

Wang

2015

Front. Energy

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“…Many studies are also focused on the performance of micro heat sinks according to their geometries (Kulkarni and Das 2005;Li et al 2014), as well as the nature of the contact between the chip and the heat sink (Ekpu et al 2014). Cooling systems based on pulsating heat pipe are also adapted to microscales (Maydanik et al 2009). …”

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confidence: 99%

Experimental investigation and numerical modeling of the thermal behavior of a micro-heater

et al. 2014

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“…Indeed, a pulsating heat pipe (PHP) could achieve this oscillating behavior. These technologies have been studied since the 80s and already given promised results in electronics' cooling as shown in [9,10]. The oscillation mechanisms, which occurred in pulsating heat pipes (that have a very simple architecture), are interesting.…”

Section: Introductionmentioning

confidence: 99%

“…The oscillations are due to heat and mass transfer between the liquid and vapor slugs. Several studies [9][10][11][12][13] have been conducted of the working of this technology and some general remarks can be given.…”

Section: Introductionmentioning

confidence: 99%

An experimental device designed to obtain repeatable condensation peaks in a closed system

Soupremanien¹,

Ollier²,

Salamon³

et al. 2014

Energy and Sustainability V

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The results of an experimental study related to repeatable condensation peaks in a closed system are presented and a discussion to describe their incipiencies is detailed. The test sections (D1: filling capacity = 15.14 x 1e ) were divided into three parts: an evaporator, an insulator and a conductive top cover where a pressure sensor was inserted. The impacts of several parameters have been studied: devices' filling ratio (α); hot temperature of the evaporator; cooling of the condensation chamber and; the devices' dimension. For all the obtained results the frequencies were low (< 0.15 Hz) but the peak pressure amplitudes were significant (up to 987 mbar). The influence of α had been studied and its increase led to an augmentation of the pressure amplitude (exponential-like function) but to a decrease in the oscillation frequencies. The hot temperature's increase enhanced the oscillation frequency but the pressure amplitude variations were slightly decreased. The cooling level diminution led to a frequency decrease, but to a slight variation of the pressure peak amplitude. Reducing the devices' dimensions from D1 to D2 for the same α and cooling level allowed the increasing of the oscillation frequency without significantly modifying the pressure peaks' amplitude. In a strategy for energy harvesting these oscillation peaks could be converted into electricity using piezo-electrics.

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Compact cooler for electronics on the basis of a pulsating heat pipe

Cited by 59 publications

References 2 publications

Experimental investigations on operating characteristics of a closed loop pulsating heat pipe

Experimental investigations on operating characteristics of a closed loop pulsating heat pipe

Experimental investigation and numerical modeling of the thermal behavior of a micro-heater

An experimental device designed to obtain repeatable condensation peaks in a closed system

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