CFD Simulation of Multi-Dimensional Effects in an Inertance Tube Pulse Tube Refrigerator

S., J.; Ghiaasiaan, S. Mostafa; Desai, Prateen V.; Harvey, Jeremy P.; Kirkconnell, C. S.

doi:10.1007/0-387-27533-9_39

Cited by 17 publications

(12 citation statements)

References 8 publications

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“…The energy balance presented in Eqn. (1) shows that the net cooling power is equal to the pulse tube enthalpy flow less the regenerator loss. Therefore, the regenerator loss must be separately measured in order to infer the pulse tube enthalpy flow from the net cooling power.…”

Section: Experimental Validation Methodologymentioning

confidence: 99%

“…This has been guided by the lack of precise information available from zeroth-and first-order PTC design models regarding multi-dimensional flow effects that strongly influence system performance. Researchers such as Cha et al [1], Hozumi [2], and Flake and Razani [3] have presented multidimensional CFD analyses of the entire PTC using the commercial CFD software FLUENT. The consistent conclusion of these researchers is that two-dimensional flows in a PTC substantially influence system performance and must be accounted for in the design process.…”

Section: Introductionmentioning

confidence: 99%

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Experimental Validation of a Pulse Tube CFD Model

Taylor¹,

Nellis²,

Klein³

et al. 2010

AIP Conference Proceedings

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Computational fluid dynamic (CFD) analysis has been applied by various authors to study the processes occurring in the pulse tube cryocooler and carry out parametric design and optimization. However, a thorough and quantitative validation of the CFD model predications against experimental data has not been accomplished. This is in part due to the difficulty associated with measuring the specific quantities of interest (e.g., internal enthalpy flows and acoustic power) rather than generic system performance (e.g., cooling power). This paper presents the experimental validation of a previously published twodimensional, axisymmetric CFD model of the pulse tube and its associated flow transitions. The test facility designed for this purpose is unique in that it allows the precise measurement of the cold end acoustic power, regenerator loss, and cooling power. Therefore, it allows the separate and precise measurement of both the pulse tube loss and the regenerator loss. The experimental results are presented for various pulse tube and flow transition configurations operating at a cold end temperature of 80 K over a range of pressure ratios. The comparison of the model prediction to the experimental data is presented with discussion.

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Section: Experimental Validation Methodologymentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Experimental Validation of a Pulse Tube CFD Model

Taylor¹,

Nellis²,

Klein³

et al. 2010

AIP Conference Proceedings

View full text Add to dashboard Cite

show abstract

“…It was also used by Mahkamov 43 in what appears to be the first full three-dimensional simulation, but details are embargoed. Also, in the related business of cryocooler modeling it has been used with reasonable success on simplified problems 77,78,79,81,82,83,84,85,86,87,88 And this report has utilized it to provide a detailed axisymmetric simulation.…”

Section: Fluentmentioning

confidence: 99%

Fast Whole-Engine Stirling Analysis

Dyson

Wilson

Tew

et al. 2005

3rd International Energy Conversion Engineering Conference

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“…Potratz [4] showed that a 2-D axisymmetric CFD(Computational Fluid Dynamics) model was useful during the process of identifying and correcting flow maldistribution problems. Cha [5] showed that the implementation of a 2-D axisymmetric model using a commercial CFD code (FLUENT) could predict the second order effects correctly. Taylor et al [6] focused on the development of a 2-D axisymmetric CFD model of the pulse tube and flow transitioning components within a PTC with the goal of developing a design tool that can be applied expeditiously to the component within the overall system.…”

Section: Introductionmentioning

confidence: 99%

Numerical analysis on Distributions of Temperature and Flow Velocity in an Inertance Pulse Tube Cryocooler

Kim¹,

Choi²,

Lee³

et al. 2014

Second International Conference on Advances in Mechanical, Aeronautical and Production Techniques - MAPT 2014

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Abstract-The inertance pulse tube cryocooler (IPTC) is well known as one of the most effective cryocooler for the cooling of infrared imaging detectors and superconducting technologies. The reciprocating flow in an IPTC was modeled with a computational thermal fluid dynamics. Two dimensional modeling consists of the flows in the cylinder of compressor, a regenerator, a pulse tube, heat exchangers, an inertance tube, and a gas reservoir. The user-defined function was applied to the compression and expansion stroke of piston in the compressor. It was confirmed that the temperature at the cold heat exchanger decayed to the lowest temperature with an oscillating convergence due to the compression and expansion of piston in the compressor. The spatial distributions of temperature and flow velocity are also compared for the piston at the top dead center and bottom dead center during compression and expansion strokes.

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CFD Simulation of Multi-Dimensional Effects in an Inertance Tube Pulse Tube Refrigerator

Cited by 17 publications

References 8 publications

Experimental Validation of a Pulse Tube CFD Model

Experimental Validation of a Pulse Tube CFD Model

Fast Whole-Engine Stirling Analysis

Numerical analysis on Distributions of Temperature and Flow Velocity in an Inertance Pulse Tube Cryocooler

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