Paper Titles
Preface
Comparative Analysis of Calculation Models of Pulse Tube Thermoacoustic Refrigerator
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The Study of Inhibition of Atom-Atom Collisions Cascades by Ni-Al (100) Interphase Boundary
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Boundary Value and Optimal Control Problems for Nonlinear Convection-Diffusion-Reaction Equation
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Multiscale Simulation of Cold Axisymmetric Deformation Processes
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Control Problem for Unsteady Magnetohydrodynamic Flow of Viscous Heat Conducting Fluid
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Mathematical Modeling of the Technological Process of Residual Stresses Relief in Metals at Low-Temperature Exposure
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Steady Flow of Incompressible Elastic-Plastic Medium in a Spherical Matrix at Variable Loads
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Calculation of the Residual Stress Field of the Thin Circular Plate under Unsteady Thermal Action
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Comparative Analysis of Calculation Models of Pulse Tube Thermoacoustic Refrigerator

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Abstract:

A comparative analysis of different computational methods was implemented to evaluate their usage in engineering design methodology of orifice pulse tube refrigerator (OPTR). A thermodynamic model to estimate the lowest temperature level in cold heat exchanger for a given ratio of the pulse tube and compliance was developed. Two detailed time-dependent axisymmetric computational fluid dynamic (CFD) models of the OPTR to predict its performance was considered. The computational results were compared with experimental results to validate the choice of model for numerical design methodology.

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Periodical:

Key Engineering Materials (Volume 685)

Pages:

3-7

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.685.3

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Online since:

February 2016

Authors:

S.O. Nekrasova, D.A. Uglanov, Artem Shimanov

Keywords:

Computational Modeling, Oscillatory Flow, Porous Media, Pulse Tube, Thermoacoustic Refrigeration

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© 2016 Trans Tech Publications Ltd. All Rights Reserved

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