Abstract
The main objective of this study is to calculate and determine design parameters for a novel wire cloth micro heat exchanger. Wire cloth micro heat exchangers offer a range of promising applications in the chemical industry, plastics technology, the recycling industry and energy technology. We derived correlations to calculate the heat transfer rate, pressure drop and temperature distributions through the woven structure in order to design wire cloth heat exchangers for different applications. Computational Fluid Dynamics (CFD) simulations have been carried out to determine correlations for the dimensionless Euler and Nusselt numbers. Based on these correlations, we have developed a simplified model in which the correlations can be used to calculate temperature distributions and heat exchanger performance. This allows a wire cloth micro heat exchanger to be virtually designed for different applications.
Highlights
In order to tackle problems in energy management, improvements in the efficiency of existing systems are needed
The miniaturization of heat exchangers has been a constant area of research for decades [1,2]
The resulting cross-flow heat exchanger, shown in Figure 1, is highly versatile and provides a high volume-specific heat transfer surface area. It can be used in the chemical industry, by applying a catalyst coat on the surface of the screen, or in energy storage applications in combination with phase change materials
Summary
In order to tackle problems in energy management, improvements in the efficiency of existing systems are needed In this context, the miniaturization of heat exchangers has been a constant area of research for decades [1,2]. A metallic wire-screen/tubing structure, as shown schematically, can be used to reduce this limitation by increasing the volume-specific heat transfer surface area and magnifying the contact area between gas-phase and heat exchanger [3,4]. The resulting cross-flow heat exchanger, shown, is highly versatile and provides a high volume-specific heat transfer surface area. It can be used in the chemical industry, by applying a catalyst coat on the surface of the screen, or in energy storage applications in combination with phase change materials
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