Reversed regenerative Stirling cycle machine for refrigeration application: A review

Getie, Muluken Zegeye; Lanzetta, François; Bégot, Sylvie; Admassu, Bimrew T; Hassen, Abdulkadir Aman

doi:10.1016/j.ijrefrig.2020.06.007

Cited by 38 publications

(11 citation statements)

References 69 publications

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“…Due to the development of renewable energy, especially wind and solar, Stirling engines have found application in solar power plants [92][93][94][95][96][97][98][99]. Another sector where they are used is the refrigeration sector [100][101][102][103][104][105][106][107][108]. They are an alternative to the commonly used compressor systems.…”

Section: Stirling Engine Applicationsmentioning

confidence: 99%

Modern Small and Microcogeneration Systems—A Review

2021

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Small and micro energy sources are becoming increasingly important in the current environmental conditions. Especially, the production of electricity and heat in so-called cogeneration systems allows for significant primary energy savings thanks to their high generation efficiency (up to 90%). This article provides an overview of the currently used and developed technologies applied in small and micro cogeneration systems i.e., Stirling engines, gas and steam microturbines, various types of volumetric expanders (vane, lobe, screw, piston, Wankel, gerotor) and fuel cells. Their basic features, power ranges and examples of implemented installations based on these technologies are presented in this paper.

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Section: Stirling Engine Applicationsmentioning

confidence: 99%

Modern Small and Microcogeneration Systems—A Review

2021

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“…The Stirling refrigeration cycle is an important cycle model in the research and manufacture of refrigerators. The Stirling cycle machine is an alternative that could work with an environmentally friendly cooling fluid [ 1 ].…”

Section: Introductionmentioning

confidence: 99%

“…According to the classical theory of thermodynamics, the performance of a Stirling cycle machine is a function of pressure, the ratio between temperature, speed and phase angle, fluid type, the efficiency of heat exchangers and volume [ 1 ].…”

Section: Introductionmentioning

confidence: 99%

Stirling Refrigerating Machine Modeling Using Schmidt and Finite Physical Dimensions Thermodynamic Models: A Comparison with Experiments

Dobre

Grosu

Dobrovicescu

et al. 2021

Entropy

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The purpose of the study is to show that two simple models that take into account only the irreversibility due to temperature difference in the heat exchangers and imperfect regeneration are able to indicate refrigerating machine behavior. In the present paper, the finite physical dimensions thermodynamics (FPDT) method and 0-D modeling using the Schmidt model with imperfect regeneration were applied in the study of a β type Stirling refrigeration machine.The 0-D modeling is improved by including the irreversibility caused by imperfect regeneration and the finite temperature difference between the gas and the heat exchangers wall. A flowchart of the Stirling refrigerator exergy balance is presented to show the internal and external irreversibilities. It is found that the irreversibility at the regenerator level is more important than that at the heat exchangers level. The energies exchanged by the working gas are expressed according to the practical parameters, necessary for the engineer during the entire project. The results of the two thermodynamic models are presented in comparison with the experimental results, which leads to validation of the proposed FPDT model for the functional and constructive parameters of the studied refrigerating machine.

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“…Multistaging in Stirling type PTC is one of the major developments reported in recent times, due to its simplicity of operation and improved performance over a period of time. Multistaging in cryocoolers is required to attain much lower temperatures [7]. PTCs are thermally coupled in series to form the multistage PTC.…”

Section: Introductionmentioning

confidence: 99%

Numerical analysis of double inlet two-stage inertance pulse tube cryocooler

Choudhari¹,

Gawali²,

Momin³

et al. 2021

IJATEE

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Stirling-type Pulse Tube Cryocoolers (PTC) are designed to meet present and upcoming commercial requirements and needs with durability and low vibrations. Multistaging in Stirling type PTC is one of the major developments reported in recent times for low-temperature achievement, due to improved performance over a period of time. The current study aims to define the methodology for numerical assessment of Double Inlet Two-Stage Pulse Tube Cryocooler (DITSPTC) to achieve cryogenic temperature of 20 K. This paper performs Computational Fluid Dynamics (CFD) simulation of PTC for defining the methodology using the CFD software package and then the same methodology is extended for the analysis ofDITSPTC. The system simulations are performed with frequency of 70 Hz and average pressure of 20 bar. The minimum temperatures obtained from simulations are 95 K and 20 K at the first and second stage respectively.

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Reversed regenerative Stirling cycle machine for refrigeration application: A review

Cited by 38 publications

References 69 publications

Modern Small and Microcogeneration Systems—A Review

Modern Small and Microcogeneration Systems—A Review

Stirling Refrigerating Machine Modeling Using Schmidt and Finite Physical Dimensions Thermodynamic Models: A Comparison with Experiments

Numerical analysis of double inlet two-stage inertance pulse tube cryocooler

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