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   Articles with "pipe heat" as a keyword



Numerical simulation of nanofluid turbulent flow in a double-pipe heat exchanger equipped with circular fins

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recommendations! Published in 2020 at "Journal of Thermal Analysis and Calorimetry"

DOI: 10.1007/s10973-020-09364-w

Abstract: In this study, the thermal and flow characteristics of a nanofluid were evaluated numerically in a circular finned double-pipe heat exchanger. A 3D CFD model was employed to study the effects of nanofluid properties and… read more here.

Keywords: heat exchanger; pipe heat; double pipe; heat ... See more keywords
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Effects of CuO nano powder on performance improvement and entropy production of double-pipe heat exchanger with innovative perforated turbulators

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recommendations! Published in 2021 at "Advanced Powder Technology"

DOI: 10.1016/j.apt.2021.06.020

Abstract: Abstract The objective of the present numerical study is to investigate the heat transfer enhancement, entropy generation, and thermal performance of turbulent nanofluids inside double-pipe heat exchangers equipped with novel perforated cylindrical turbulators. Effects of… read more here.

Keywords: entropy; perforated turbulators; pipe heat; double pipe ... See more keywords
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Performance enhancement of finned annulus using surface interruptions in double-pipe heat exchangers

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recommendations! Published in 2020 at "Energy Conversion and Management"

DOI: 10.1016/j.enconman.2020.112710

Abstract: Abstract The present study investigates the thermo-fluid characteristics of a double pipe heat exchanger (DPHX) with split longitudinal fins (SLF) on the annulus side. The studied tubes with SLF are a modification of the conventional… read more here.

Keywords: fluid; pipe heat; double pipe; heat ... See more keywords
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Composite crystallization fouling characteristics of normal solubility salt in double-pipe heat exchanger

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recommendations! Published in 2020 at "International Journal of Heat and Mass Transfer"

DOI: 10.1016/j.ijheatmasstransfer.2020.119883

Abstract: Abstract The fouling behavior of normal solubility pure salt (Na2SO4) and mixed salt (Na2SO4 and NaCl) in counter-current double-pipe heat exchanger was investigated. Through real-time monitoring of inlet and outlet temperatures of hot and cold… read more here.

Keywords: heat exchanger; sodium; pipe heat; double pipe ... See more keywords

An experimental study of using water, methanol, and binary fluids in oscillating heat pipe heat exchanger

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recommendations! Published in 2020 at "Engineering Science and Technology, an International Journal"

DOI: 10.1016/j.jestch.2019.05.010

Abstract: Abstract The aim of this paper is studied experimentally the effect of using oscillating heat pipe heat exchanger as a heat recovery device in the air conditioning system to enhance the dehumidification capability of the… read more here.

Keywords: heat; water; methanol; oscillating heat ... See more keywords

Application of multilayered porous media for heat transfer optimization in double pipe heat exchangers using neural network and NSGA II

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recommendations! Published in 2024 at "Scientific Reports"

DOI: 10.1038/s41598-024-83176-y

Abstract: This study investigates the use of multi-layered porous media (MLPM) to enhance thermal energy transfer within a counterflow double-pipe heat exchanger (DPHE). We conducted computational fluid dynamics (CFD) simulations on DPHEs featuring five distinct MLPM… read more here.

Keywords: pipe heat; heat; double pipe; porous media ... See more keywords

Measuring Local Crystallization Fouling in a Double-Pipe Heat Exchanger

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recommendations! Published in 2019 at "Heat Transfer Engineering"

DOI: 10.1080/01457632.2018.1522084

Abstract: Abstract Although fouling is a problem varying in space and time, sizing and assessment of a process apparatus is almost always based on one single integral fouling resistance value. Furthermore, the integral fluid dynamic behavior,… read more here.

Keywords: crystallization fouling; heat exchanger; pipe heat; double pipe ... See more keywords
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Effect of hemispherical turbulators in a double-pipe heat exchanger for heat transfer augmentation

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recommendations! Published in 2020 at "Journal of Turbulence"

DOI: 10.1080/14685248.2020.1742344

Abstract: ABSTRACT In a double-pipe heat exchanger, heat transfer enhancement can be carried out by active or passive methods. In the present study, heat transfer characteristics are studied by the addition of hemispherical turbulators placed in… read more here.

Keywords: heat; double pipe; pipe heat; heat transfer ... See more keywords

Conceptual design of a fixed bed N2O decomposition reactor with a heat pipe heat exchanger

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recommendations! Published in 2024 at "International Journal of Chemical Reactor Engineering"

DOI: 10.1515/ijcre-2023-0227

Abstract: Abstract This paper introduces a novel process for decomposing N2O through interstage cooling utilizing a heat pipe heat exchanger. The reactor design involves segmenting the fixed bed reactor into multiple layers and integrating heat pipe… read more here.

Keywords: pipe heat; heat; reactor; heat pipe ... See more keywords