On the energy harvesting and heat transfer ability of a ferro-nanofluid oscillating heat pipe

Monroe, J. Gabriel; Kumari, Saroj; Fairley, John D.; Walters, Keisha B.; Berg, Matthew J.; Thompson, Scott M.

doi:10.1016/j.ijheatmasstransfer.2018.11.096

Cited by 39 publications

(8 citation statements)

References 39 publications

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“…Monroe et al [43] examined the performance of an oscillating heat pipe filled with CoFe 2 O 4 nanosuspension. The surface modification of nanoparticles was carried out using citric acid to improve their suspensibility.…”

Section: Experimental Researchesmentioning

confidence: 99%

An exploratory review on heat transfer mechanisms in nanofluid based heat pipes

SINGH,

PANDEY,

GUPTA

2023

Journal of Thermal Engineering

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The current study reviews the research on nanosuspension-enhanced heat pipe technologies. The reviewed studies are categorized based on the nanosuspension type incorporated in the heat pipe i.e., mono & hybrid. The study attempts to identify the heat transport modes in heat pipes and explore their dominance among each other. The dominance of the identified mech-anisms was found to be a strong function of the heat pipe type investigated and get signifi-cantly influenced by the operating conditions. The current review paper will aid in properly understanding the thermal mechanisms prevalent in heat pipes filled with nanosuspensions and to further optimizing their thermal response.

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Section: Experimental Researchesmentioning

confidence: 99%

An exploratory review on heat transfer mechanisms in nanofluid based heat pipes

SINGH,

PANDEY,

GUPTA

2023

Journal of Thermal Engineering

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“…Heat and work are considered low-grade (disordered) and high-grade (ordered) forms of energy, respectively [125][126][127][128]. The quality difference can be assigned to the two forms of energy, in which transforming one form to the other is more efficient than its opposite direction [129][130][131][132][133][134].…”

Section: Thermodynamics Of Desalinationmentioning

confidence: 99%

Looking Beyond Energy Efficiency: An Applied Review of Water Desalination Technologies and an Introduction to Capillary-Driven Desalination

Ahmadvand

Abbasi

Azarfar

et al. 2019

Water

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Most notable emerging water desalination technologies and related publications, as examined by the authors, investigate opportunities to increase energy efficiency of the process. In this paper, the authors reason that improving energy efficiency is only one route to produce more cost-effective potable water with fewer emissions. In fact, the grade of energy that is used to desalinate water plays an equally important role in its economic viability and overall emission reduction. This paper provides a critical review of desalination strategies with emphasis on means of using low-grade energy rather than solely focusing on reaching the thermodynamic energy limit. Herein, it is argued that large-scale commercial desalination technologies have by-and-large reached their engineering potential. They are now mostly limited by the fundamental process design rather than process optimization, which has very limited room for improvement without foundational change to the process itself. The conventional approach toward more energy efficient water desalination is to shift from thermal technologies to reverse osmosis (RO). However, RO suffers from three fundamental issues: (1) it is very sensitive to high-salinity water, (2) it is not suitable for zero liquid discharge and is therefore environmentally challenging, and (3) it is not compatible with low-grade energy. From extensive research and review of existing commercial and lab-scale technologies, the authors propose that a fundamental shift is needed to make water desalination more affordable and economical. Future directions may include novel ideas such as taking advantage of energy localization, surficial/interfacial evaporation, and capillary action. Here, some emerging technologies are discussed along with the viability of incorporating low-grade energy and its economic consequences. Finally, a new process is discussed and characterized for water desalination driven by capillary action. The latter has great significance for using low-grade energy and its substantial potential to generate salinity/blue energy.

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“…The solidification of paraffin wax with 4 layers OHPs was 0.48 times greater than that of pre paraffin wax with 3 layers [11]. Whereas in case of ferrite ferro-nano-fluids with OHP operation had a high heat transfer and extreme temperature functionality for the applications can be used [12]. In sintered copper-form wicks OHP with an ethanol as a working fluid with 50% of volumetric filling ratio.…”

Section: Introductionmentioning

confidence: 98%

Assessment and Prediction of Heat Transfer Performance of Oscillating Heat Pipe using Acetone

Prashanth¹,

Madhu²,

Ramanarasimha³

et al. 2022

ARFMTS

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Heat pipe is a device to enhance the performance of heat transfer, in particular to transition phase change process. The present investigation is carried out to measure the thermal performance of a closed loop acetone filled oscillating heat pipe with four turns is fabricated and tested. The test was carried out for the inner diameter of 1.7 mm copper tube by varying the acetone of 50%, 60%, 70% and 80% filler ratio with a heat input of 15 W to 40 W in steps of 5 W has been considered. The results shows that 80% acetone filled OHP provides the better thermal performance with an average minimum temperature difference between condenser and evaporator by 6.03%, heat transfer coefficient increased by 77% and the thermal resistance decrease by 43% respectively. The mathematical modelling was developed to predict the performance of the heat transfer. The model clearly shows that the independent variables are statistically significant with a p-value of 0.05 and the uncertainty analysis between the experimental and predicted values are less than 10%.

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On the energy harvesting and heat transfer ability of a ferro-nanofluid oscillating heat pipe

Cited by 39 publications

References 39 publications

An exploratory review on heat transfer mechanisms in nanofluid based heat pipes

An exploratory review on heat transfer mechanisms in nanofluid based heat pipes

Looking Beyond Energy Efficiency: An Applied Review of Water Desalination Technologies and an Introduction to Capillary-Driven Desalination

Assessment and Prediction of Heat Transfer Performance of Oscillating Heat Pipe using Acetone

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