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Heat transfer enhancement in a double-pipe helical heat exchanger using spring wire insert and nanofluid
Double-pipe helical heat exchangers (DPHHXs) are widely used for cooling and heating applications. In this study, a combination of two methods is...
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Convection Heat Transfer
This chapter covers the fundamental concepts of convection heat transfer. Section 10.1 explains Newton’s law of cooling, which is the basis of...
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Effect of different tube sizes on heat transfer characteristics of functionalized GNP and metal oxide nanofluids in conduit flow heat exchanger
This study demonstrates the enhanced heat transfer characteristics of functionalized propylene glycol-treated graphene nanoplatelets (FPG-Water),...
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Investigation of filmwise condensation and flow characteristics on inner curved heat transfer surface
A curved heat transfer surface is proposed to improve the condensation process. The flow performance and condensation law in the cosine-shaped flow...
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Field synergy analysis of heat transfer characteristics of mixed nanofluid flow in self-excited oscillating heat exchanger tubes
Pulsating heat pipes are widely used in cooling electronic devices, automotive radiators, refrigeration, and air conditioning systems. The addition...
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Boiling heat transfer characteristics of bionic flower bud structure microchannels
In order to improve the boiling heat transfer capacity within the microstructure, a superhydrophilic surface model with a bionic flower bud structure...
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Study on the flow and heat transfer performance of nanofluid in a novel manifold microchannel heat sink combining trapezoidal cross-section and curved corners
The manifold microchannel heat sink (MMCHS) has been widely used in the field of electronic device cooling due to its high heat dissipation ability....
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Novel designs for PCM passive heat sink of concentrated photovoltaic cells to enhance the heat transfer rate: presenting 4E analyses
Novel designs have been proposed for the phase change material (PCM) heat sink of concentrated photovoltaic (CPV) cells to enhance both convective...
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Mathematical Models of Friction on the Surface of Phase Separation and Heat and Mass Transfer in Film Units of Cooling-Tower Sprinklers with Intensifiers
AbstractThe scientific and technical problem of calculating the transfer of momentum, heat and mass of water vapor in cooling towers has been solved...
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Numerical investigation of heat transfer mechanisms in microfibrillated cellulose cryogels: effects of concentration, porosity, and thickness
Cellulose cryogels are promising 3D structures for thermal insulation due to their low thermal conductivity and high porosity. However, there is only...
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Study of heat transfer and pressure drop for novel configurations of helical tube heat exchanger: a numerical and experimental approach
In this study, several unique tube configurations are designed and modeled to examine the thermal and hydraulic performance of a helical tube heat...
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Effect of using a ZnO-TiO2/water hybrid nanofluid on heat transfer performance and pressure drop in a flat tube with louvered finned heat exchanger
This study used an experimental setup consisting of a flat tube with a louvered finned crossflow configuration to examine the effects of utilizing a...
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Computational analysis of power-law fluids for convective heat transfer in permeable enclosures using Darcy effects
Natural convection is a complex environmental phenomenon that typically occurs in engineering settings in porous structures. Shear thinning or shear...
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Elements of Mass Transfer
This chapter deals with mass transfer across interfaces and its relevance in food processing; and covers unsteady state and steady state diffusive...
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Elements of Heat Transfer
This chapter deals with the rates of heat transfer and quantitative models employed to estimate the rates of heat transfer by conduction, convection...
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Numerical study of microchamber and cylindrical inserts on enhancement of heat transfer in microchannel heat exchanger
Microchannel heat exchangers (MCHEs) have gained widespread use in electronic devices and are regarded as very effective cooling mechanisms in the...
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Parametric and comparative studies on fluid flow and heat transfer from uniformly and non-uniformly heated plates
The current work aims at performing simulation studies on heat transfer through conduction-mixed convection–radiation from a vertical plate embedded...
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Numerical investigation on convective heat transfer in a pool with submerged heat source under seismic condition
Thermal performance of passive residual heat removal systems and solar heaters relies on natural convection heat transfer. However, natural...
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Numerical approach of Fe3O4-ethylene glycol heat and mass transfer magneto nanofluid flow past a porous shrinking sheet with chemical reaction and thermal radiation
The primary goal of this work is to study the effect of nonlinear chemical reaction and heat source or sink on the entropy generation analysis of a...
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On enhancement of heat transfer from a spiral heater using ultrasonic waves: experiments and simulations
An experimental and numerical study is conducted to characterize the effects of ultrasound waves on natural convective heat transfer from a spiral...
