Printed Circuit Heat Exchangers (PCHEs): A Brief Review
Open Access
- 20 March 2023
- journal article
- Published by Asian Research Association in International Research Journal of Multidisciplinary Technovation
Abstract
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. The two loops of sodium coolants consist of primary cooling system of sodium which cools the fuel rods of the reactor core and secondary cooling system of sodium transferring heat from the sodium primary cooling system. The water-cooling system transfers heat from the secondary cooling system of sodium for steam generation. Lead cooled fast reactors on the other hand are designed to have primary cooling system of lead cooling the fuel rods in the reactor core and secondary cooling system of water transferring heat from the lead cooling primary system for steam generation. Water cooled Nuclear Power Plants used water to cool the reactor core in the primary system and the heat removed from the core is used for steam generation directly as in BWRs and SCWRs or in the secondary system of heat exchanger as in PWRs. Other reactor systems such as Gas-cooled fast reactor (GFR), Molten-salt reactor (MSR), High-temperature gas-cooled reactor (HTGR), and Small Modular Reactors (SMRs) also have various types of heat exchangers in their designs to support power/electricity generation. Appropriate heat exchangers are therefore needed for various stages of heat transfer in power generation systems. Thus, Heat exchangers and other heat transfer devices/systems play vital roles of heat transfer in thermal fluid flow systems for industrial applications. This study presents brief review of PCHEs which have comparable advantages over other types of heat exchangers. Recent studies on PCHEs and other heat exchanger types have been reviewed. Design and optimization of PCHEs, optimization of Brayton and Rankine circles, and fluid flow and heat transfer devices/systems have been discussed briefly. The review findings show that the design and optimization of PCHEs depends on the intended industrial application of the heat exchanger. The various channel types and channel cross-section types available for design and optimisation as well as the design and optimised system being able to withstand high pressure and temperature conditions in addition to its compact size for the intended industrial application make PCHEs unique among other types of heat exchangers.Keywords
This publication has 68 references indexed in Scilit:
- Physical model development and optimal design of PCHE for intermediate heat exchangers in HTGRsNuclear Engineering and Design, 2012
- Low-grade heat conversion into power using organic Rankine cycles – A review of various applicationsRenewable and Sustainable Energy Reviews, 2011
- Study of working fluid selection of organic Rankine cycle (ORC) for engine waste heat recoveryEnergy, 2011
- Hydraulic performance of a microchannel PCHEApplied Thermal Engineering, 2010
- Numerical investigation on thermal–hydraulic performance of new printed circuit heat exchanger modelNuclear Engineering and Design, 2008
- Promising designs of compact heat exchangers for modular HTRs using the Brayton cycleNuclear Engineering and Design, 2008
- Simplified optimum sizing and cost analysis for compact heat exchanger in VHTRNuclear Engineering and Design, 2008
- An examination of regenerative organic Rankine cycles using dry fluidsApplied Thermal Engineering, 2008
- Performance evaluation criteria for use of enhanced heat transfer surfaces in heat exchanger designInternational Journal of Heat and Mass Transfer, 1981
- Forced convection heat transfer in helically rib-roughened tubesInternational Journal of Heat and Mass Transfer, 1980