Testing and simulation of ceramic micro heat exchangers

Alm, B.; Imke, Uwe; Knitter, Regina; Schygulla, U.; Zimmermann, Stefan

doi:10.1016/j.cej.2007.07.005

Cited by 66 publications

(24 citation statements)

References 6 publications

Supporting

Mentioning

Contrasting

Unclassified

Order By: Relevance

“…For industrial processes with temperatures above 900°C such as glass, ceramics, or metal production, ceramic heat exchangers can raise the maximum temperature limit for waste heat recovery and thus lead to higher efficiencies. [5][6][7] | 367 HAUNSTETTER ANd dREISSIGACKER A special microchannel design is the offset strip fin (OSF) design. [1][2][3] Different studies on ceramic heat exchanger technology are available from literature.…”

Section: Introductionmentioning

confidence: 99%

Ceramic high temperature plate‐fin heat exchanger: A novel methodology for thermomechanical design investigation

Haunstetter

Dreißigacker

2019

Energy Science & Engineering

View full text Add to dashboard Cite

The basic methodology of a novel, time-saving approach for critical thermomechanical design studies of ceramic high temperature plate-fin heat exchanger is presented.This approach allows the determination of local displacements, by applying the outer heat exchanger boundary conditions on a substitute model. These displacements are then used for detailed calculation of local stresses. The methodology is based on the effective Young's modulus, effective shear modulus, and effective Poisson ratio.Simulation models have been developed to determine these effective substitute properties. A model verification has been performed with a compression test rig. The simulation predicts the experimental results with deviations below 3%, which proves the feasibility and reliability of the effective material models. In order to reduce the parametric effort of the substitute simulation model, information about the material behavior is important. Here, the results indicate an orthotropic material behavior of the fin structure. This reduces the independent substitute material properties required for the characterization of the substitute model, which also reduces the overall simulation time. K E Y W O R D Sceramic plate-fin heat exchanger, effective material constants, high-temperature heat exchanger, OSF heat exchanger, substitute material properties, substitute model How to cite this article: Haunstetter J, Dreißigacker V. Ceramic high temperature plate-fin heat exchanger: A novel methodology for thermomechanical design investigation. Energy Sci Eng. 2020;8:366-375. https ://

show abstract

Section: Introductionmentioning

confidence: 99%

Ceramic high temperature plate‐fin heat exchanger: A novel methodology for thermomechanical design investigation

Haunstetter

Dreißigacker

2019

Energy Science & Engineering

View full text Add to dashboard Cite

show abstract

“…1, a single microchannel is generally fabricated on the surface of a solid to form a monolithic construction to serve a single reaction [1][2][3][4], whereas multiple sheets patterned with parallel microchannels are stacked and then bonded together to yield a laminated-sheet component [5][6][7]. As laminated-sheet structure enables the integration of multiple unit operations, including flow distribution, heat exchange, mixing, chemical reaction, or chemical separation in the same component [8], it is regarded as one of the preferred constructions for microchannel reactors.…”

Section: Introductionmentioning

confidence: 99%

“…(a) and (b) monolithic construction with a single microchannel[1][2][3]. (c) Laminated-sheet construction with parallel microchannels[5].…”

mentioning

confidence: 99%

Feasibility investigations on multi-cutter milling process: A novel fabrication method for microreactors with multiple microchannels

Pan

Zeng

Tang

2009

Journal of Power Sources

View full text Add to dashboard Cite

“…In another study using the same approach, Griffini and Gavriilifid (2007) observed that twodimensional (2-D) simulations may be misleading, so that microchanneled plates have to be evaluated in three dimensions (3-D); the critical values for the Reynolds number should also be analyzed. Alm et al (2008) evaluated the behavior of a micro-heat exchanger using CFD simulation and constructed ceramic micro-heat exchangers using stereolithography processes and low-pressure injection molding. Arzamendi et al (2009) used CFD simulation to evaluate steam methane reforming in a microchanneled catalytic reactor.…”

Section: Brazilian Journal Of Chemical Engineeringmentioning

confidence: 99%

Development of a micro-heat exchanger with stacked plates using LTCC technology

Vásquez-Alvarez

Degasperi

Morita

et al. 2010

Braz. J. Chem. Eng.

View full text Add to dashboard Cite

-A green ceramic tape micro-heat exchanger was developed using Low Temperature Co-fired Ceramics technology (LTCC). The device was designed by using Computational Aided Design software and simulations were made using a Computational Fluid Dynamics package (COMSOL Multiphysics) to evaluate the homogeneity of fluid distribution in the microchannels. Four geometries were proposed and simulated in two and three dimensions to show that geometric details directly affect the distribution of velocity in the micro-heat exchanger channels. The simulation results were quite useful for the design of the microfluidic device. The micro-heat exchanger was then constructed using the LTCC technology and is composed of five thermal exchange plates in cross-flow arrangement and two connecting plates, with all plates stacked to form a device with external dimensions of 26 x 26 x 6 mm 3 .

show abstract

Testing and simulation of ceramic micro heat exchangers

Cited by 66 publications

References 6 publications

Ceramic high temperature plate‐fin heat exchanger: A novel methodology for thermomechanical design investigation

Ceramic high temperature plate‐fin heat exchanger: A novel methodology for thermomechanical design investigation

Feasibility investigations on multi-cutter milling process: A novel fabrication method for microreactors with multiple microchannels

Development of a micro-heat exchanger with stacked plates using LTCC technology

Contact Info

Product

Resources

About