Review on Boiling Heat Transfer Enhancement Techniques

Meena, Chandan Swaroop; Kumar, Ashwani; Roy, Sanghati; Cannavale, Alessandro; Ghosh, Aritra

doi:10.3390/en15155759

Cited by 32 publications

(10 citation statements)

References 87 publications

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“…It is also point of investigation to study different heat transfer enhancement technologies and thermal storage devices using different advanced design and optimisation techniques i.e. FEA, RSM, ANN, Fuzzy Logic [108][109][110][111][112].…”

Section: Discussionmentioning

confidence: 99%

Double Pass Solar Air Heater: A Review

Singh¹,

Meena²,

Kumar³

2022

IJERA

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Improvement in heat transfer rate and effectiveness of a solar air heater is always a matter of concern in the scientific community. Different steps have been taken to improve it, including the application of artificial roughness, double glazing, colour coating, and multi-pass flow. In this article, a detailed assessment of the efficiency and effectiveness of a solar air heater has been conducted by applying various types of double-pass arrangements. The effects of various methods applied so far are deeply analysed and discussed to create a better understanding. Future opportunities, challenges, and concerns are also addressed, with a fruitful conclusion in the last. Keywords: Solar energy, solar air heater, double-pass, artificial roughness, thermal performance

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Section: Discussionmentioning

confidence: 99%

Double Pass Solar Air Heater: A Review

Singh¹,

Meena²,

Kumar³

2022

IJERA

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“…However, the trade-off between a decrease in thermal conductivity and an increase in the temperature gradient at the wall determines whether the heat transfer rate will ultimately rise or decrease. 90…”

Section: Pool Boiling Of Nanofluidsmentioning

confidence: 99%

A review of nucleate pool-boiling heat transfer in different liquids and nanofluids

Zarrag,

Ismail,

Sann

et al. 2023

Proceedings of the Institution of Mechanical Engineers, Part A:

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The goal of this review is to examine the current state of the art in nucleate pool boiling heat transfer in a variety of different fluids. The review is divided into many sections that discuss heat transfer in pool boiling, such as pool boiling of nanofluids, boiling behavior of water–glycerin combinations, and operational parameters. With the appropriate mixes of hydrocarbons and other commercial liquids, higher heat transfer coefficients may be produced. Coatings of nanoparticles with varying layer thicknesses applied to the heater surface may be optimized to improve heat transfer from the pool to the surrounding water. The heat transfer hypothesis elucidates the peculiarities of each pool’s boiling regime. It is also possible to expand it to flow boiling by combining pool boiling liquid motion with external mechanical force. Other phase transitions, such as condensation, solidification, and melting, can also be described using boiling heat flow processes. Pool boiling performance can be improved by making a variety of adjustments to the heating surfaces as well as by using pure liquids in the water. Improvements can be made to boiling parameters such as the heat flux, the critical heat flux, the heat transfer coefficient, bubble development and departure, and so forth. A nanoparticle addition to a pure liquid or a surface coating on a heating surface can improve heat transfer and boiling properties by increasing the surface area of the liquid. Pool boiling critical heat flux was enhanced with Al2O3-water nano fluid. Authors used three different powder sizes of Al2O3 which were 0.05, 0.3 and 1.0 μm. Addition of alumina particle in water increases the boiling heat flux. Critical heat flux (CHF) was significantly enhanced using Titania and Alumina nano particles in water as compared to pure water. Average size of nano particle used was 85 nm measured by scattering electron microscope. Enhancement in Critical heat flux is due to nano particle coating on heating surface. Characteristics of nucleate boiling are greatly affected by the operating pressure. Miniature flat heat pipe (MFHP) with evaporator having micro grooved heat transfer surface gives 50% increment in critical heat flux at atmosphere pressure whereas this value increases up to 150% at 7.4 kPa pressure. The addition of CNT (carbon nanotube) to the base liquid increases the critical heat flux. Transmission electron microscopy confirms the average size of a nanoparticle as 15 nm. Authors found that by decreasing pressure from atmosphere condition critical heat flux increases to 200% with CNT/water nano fluid as compared to deionized water. SiC-water nanofluids of 100 nm size were experimented with at volume concentrations of 0.001%, 0.001%, and 0.01%. The size of the nanoparticle was confirmed by a scattering electron microscope. Authors concluded that at 0.01% of nano particle enhances critical heat flux to 105%.

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“…However, the removal of pollutants is not effective, removing the small batch and requires high operating costs. In terms of long-term MSW treatment in urban settings, modern WTE technologies including pyrolysis, gasification, and plasma arc gasification provide certain advantages [9][10][11].…”

Section: Introductionmentioning

confidence: 99%

Waste to Energy Management for Sustainable Development

Rana¹,

Kumar²,

Kumar³

et al. 2022

IJMMST

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"The difficulty of managing the proper treatment of the city concrete waste or municipal solid waste (MSW) is one that affects urbanized environment on a regular basis. As more goods and services are used for a high-life standard, the volume of MSW often rises. Less than 35% of the MSW in the United States gets recycled, while the majority is landfilled. New energy technologies offer the opportunity to minimize the rising MSW burden. Waste-to-energy (WTE) methods including gasification, plasma arc gasification, incineration, and pyrolysis can be used to transform MSW into a significant source of energy. Sources can be produced by various WTE technologies and can be used in place of fossil fuels energy resources. It is expected that the aspects of the stability related to different energy and waste treatments can be improved. The work introduces the creation of a model of WTE plant which is based on one the WTE technology, pyrolysis. This work initially needed to remove energy from the waste for which the study of various waste processing technologies has been done and appropriate waste processing technology is selected. The construction process started by selecting the necessary equipment and some challenges were made and changes were made to fix issues that were born during the construction and testing of the power plant model. The result of this work is the production of fuel from waste, which is stored in both gaseous and liquid form by condensation.

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Review on Boiling Heat Transfer Enhancement Techniques

Cited by 32 publications

References 87 publications

Double Pass Solar Air Heater: A Review

Double Pass Solar Air Heater: A Review

A review of nucleate pool-boiling heat transfer in different liquids and nanofluids

Waste to Energy Management for Sustainable Development

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