Results 11 to 20 of about 21,696 (351)

Numerical study of heat transfer of wavy channel supercritical CO2 PCHE with various channel geometries

open access: yesInternational Journal of Thermofluids, 2023
Printed Circuit Heat Exchanger (PCHE) is a widely chosen plate type compact heat exchanger for highpressure application. Increasing performance of printed circuit heat exchanger (PCHE) is very important for improvement of thermal efficiency of ...
Yaghub Safari   +6 more
doaj   +1 more source

Printed Circuit Heat Exchangers (PCHEs): A Brief Review

open access: yesInternational Research Journal of Multidisciplinary Technovation, 2023
Heat exchangers and other heat transfer devices/systems play vital roles of heat transfer in thermal fluid flow systems for industrial application. Sodium cooled fast reactors are normally designed to have two loops of sodium coolants and one loop of water coolant which generates steam for power production.
Edward Shitsi   +5 more
openaire   +1 more source

Printed circuit heat exchangers and fast neutron radiography

open access: yesThe European Physical Journal Special Topics, 2023
AbstractNon-destructive testing is capable of detecting defects of important components, where a failure could pose a significant hazard and cause severe economic losses. Currently, imaging techniques utilizing gamma or X-ray sources are mainly used and allow to examine of devices ranging in size from units to tens of centimetres, but for industrial ...
B. Vrban   +4 more
openaire   +1 more source

Thermo-Mechanical Calculation of Printed Circuit Heat Exchanger Using Homogenization

open access: yesJournal of Thermal Science, 2022
The Finite-Element Method (FEM) is mainly used to design Compact Heat Exchanger structures. However, the narrow channel structures require fine mesh to accurately compute stress and strain. Combined with the dimensions of the overall component, this leads to an excessively large numerical model and therefore long computing time. This is especially true
Garnier, Christophe   +4 more
openaire   +2 more sources

Experimental work for the performance of a printed circuit heat exchanger (PCHE) using nitrogen under trans-critical states

open access: yesEnergy Reports, 2022
Experiments were carried out for the manufactured a printed circuit heat exchanger (PCHE) using nitrogen on the super-critical state. For the core of the PCHE, ‘N’ and reverse N, ‘RN’ shape microchannels were etched on stainless steel 316L plates, and ...
Jeong-Heon Shin   +2 more
doaj   +1 more source

Preliminary analysis and design of the heat exchangers for the Molten Salt Fast Reactor

open access: yesNuclear Engineering and Technology, 2020
Despite the recent growth of interest in molten salt reactor technology and the crucial role which heat transfer plays in the design of power reactors, specific studies on the design of heat exchangers for the Molten Salt Fast Reactor have not yet been ...
Andrea Di Ronco   +2 more
doaj   +1 more source

The Optimization Design of a Compact Integrated Precooler for Advanced Space Launcher Engines

open access: yesChemical Engineering Transactions, 2020
In recent years, aeroplane engines have evolved towards the direction of hypersonic flight, re-use and combined cycle propulsion. As one of the core components, air-hydrogen precooler plays a vital role in the development of liquefied air cycle engines ...
Hongliang Chang   +4 more
doaj   +1 more source

Mechanical Integrity Assessment of Two-Side Etched Type Printed Circuit Heat Exchanger with Additional Elliptical Channel

open access: yesEnergies, 2020
Printed circuit heat exchangers (PCHEs) are often subject to high pressure and temperature difference between the hot and cold channels which may cause a mechanical integrity problem.
Armanto P. Simanjuntak, Jae-Young Lee
doaj   +1 more source

Investigation on Flow Maldistribution and Thermo-Hydraulic Performance of PCHEs with Spoiler Perforated Boards

open access: yesEnergies, 2022
In this study, the effects of the maldistribution coefficient on the thermo-hydraulic performance of discontinuous fin printed circuit heat exchanger (DF-PCHE) entrance head and channels are numerically investigated. To improve the flow uniformity at the
Wei Wang   +4 more
doaj   +1 more source

Heat exchanger/reactors (HEX reactors): Concepts, technologies: State-of-the-art [PDF]

open access: yes, 2008
Process intensification is a chemical engineering field which has truly emerged in the past few years and is currently rapidly growing. It consists in looking for safer operating conditions, lower waste in terms of costs and energy and higher ...
Bayer   +54 more
core   +1 more source

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