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Journal articles on the topic 'Ericsson cycle'

Author: Grafiati
Published: 4 June 2021
Last updated: 10 February 2022

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1

Haseli, Y. "Substance Independence of Efficiency of a Class of Heat Engines Undergoing Two Isothermal Processes." Journal of Thermodynamics 2011 (May 25, 2011): 1–5. http://dx.doi.org/10.1155/2011/647937.

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Three power producing cycles have been so far known that include two isothermal processes, namely, Carnot, Stirling, and Ericsson. It is well known that the efficiency of the Carnot cycle represented by is independent of its working fluid. Using fundamental relationships between thermodynamic properties including Maxwell's relationships, this paper shows in a closed form that the Ericsson and the Stirling cycles also possess the Carnot efficiency irrespective of the nature of the working gas.
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2

He, Jizhou, Jincan Chen, and Chih Wu. "Optimization on the Performance Characteristics of a Magnetic Ericsson Refrigeration Cycle Affected by Multi-Irreversibilities." Journal of Energy Resources Technology 125, no. 4 (November 18, 2003): 318–24. http://dx.doi.org/10.1115/1.1616037.

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A general irreversible cycle model of a magnetic Ericsson refrigerator is established. The irreversibilities in the cycle model result from the finite-rate heat transfer between the working substance and the external heat reservoirs, the inherent regenerative loss, the additional regenerative loss due to thermal resistances, and the heat leak loss between the external heat reservoirs. The cycle model is used to optimize the performance of the magnetic Ericsson refrigeration cycle. The fundamental optimum relation between the cooling rate and the coefficient of performance of the cycle is derived. The maximum coefficient of performance, maximum cooling rate and other relevant important parameters are calculated. The optimal operating region of the cycle is determined. The results obtained here are very general and will be helpful for the optimal design and operation of the magnetic Ericsson refrigerators.
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3

Baglivo, Cristina, Paolo Maria Congedo, and Pasquale Antonio Donno. "Analysis of Thermodynamic Cycles of Heat Pumps and Magnetic Refrigerators Using Mathematical Models." Energies 14, no. 4 (February 9, 2021): 909. http://dx.doi.org/10.3390/en14040909.

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This paper proposes a critical review of the different aspects concerning magnetic refrigeration systems, and performs a detailed analysis of thermodynamic cycles, using mathematical models found in the literature. Langevin’s statistical mechanical theory faithfully describes the physical operation of a refrigeration machine working according to a magnetic Ericsson cycle. Results of mathematical and real experimental models are compared to deduce which best describes the Ericsson cycle. The theoretical data are not perfectly consistent with the experimental data; there is a maximum deviation of about 30%. Numerical and experimental data confirm that very high Coefficient of Performance (COP) values of more than 20 can be achieved. The analysis of the Brayton cycle consisted of finding the mathematical model that considers the irreversibility of these machines. Starting from the thermodynamic properties of magnetocaloric materials based on statistical mechanics, the efficiency of an irreversible Brayton regenerative magnetic refrigeration cycle is studied. Considering the irreversibility in adiabatic transformations, the lower limit of the optimal ratio of two magnetic fields is determined, obtaining a valid optimization criterion for these machines operating according to a Brayton cycle. The results show that the Ericsson cycle achieves a higher Coefficient of Performance than the Brayton cycle, which has a higher cooling capacity as it operates with a larger temperature difference between the magnetocaloric material and source.
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4

Yang, Hui Shan. "The Influence of Thermal Resistances and Nonperfect Regenerative Losses on the Performance of a Ferroelectric Ericsson Refrigerator." Advanced Materials Research 1006-1007 (August 2014): 168–72. http://dx.doi.org/10.4028/www.scientific.net/amr.1006-1007.168.

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Using the finite-time thermodynamics, the influence of thermal resistances and nonperfect regenerative losses on the optimal performance of a ferroelectric Ericsson refrigeration-cycle is analyzed. Based on the thermodynamics properties of ferroelectric materials and a linear heat-transfer law, the inherent regenerative losses in the cycle are calculated and the fundamental optimum relations and other relevant performance parameters are determined. The ecological optimization criterion of the refrigerator is derived. The results obtained here may reveal the general characteristics of the ferroelectric Ericsson refrigeration cycle.
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5

Wang, Jun Yi, Gildas Diguet, Guo Xing Lin, and Jin Can Chen. "Performance Characteristics of a Magnetic Ericsson Refrigeration Cycle Using La(Fe0.88Si0.12)13H1 or Gd as the Working Substance." Advanced Materials Research 631-632 (January 2013): 322–25. http://dx.doi.org/10.4028/www.scientific.net/amr.631-632.322.

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Based on the experimental characteristics of iso-field entropy varying with temperature for the room-temperature magnetic refrigeration material La(Fe0.88Si0.12)13H1 or Gd, the regenerative Ericsson refrigeration cycle using La(Fe0.88Si0.12)13H1 or Gd as the working substance is established and their thermodynamic performances are evaluated and analyzed. By means of numerical calculation, the influence of non-perfect regeneration on the main thermodynamic performances of the cycle is revealed and discussed. Furthermore, the coefficient of performance (COP), non-perfect regenerative heat quantity, and net cooling quantity of the Ericsson refrigeration cycle using La(Fe0.88Si0.12)13H1 or Gd as the working substance are compared. The results obtained show that it is beneficial to the cooling quantity of the cycles using La(Fe0.88Si0.12)13H1 or Gd as the working substance to operate in the region of Tcold >T0 and, at the condition of a same temperature span, the cooling quantity for La(Fe0.88Si0.12)13H1 is larger than that for Gd.
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6

Smaı̈li, A., and R. Chahine. "Composite materials for Ericsson-like magnetic refrigeration cycle." Journal of Applied Physics 81, no. 2 (January 15, 1997): 824–29. http://dx.doi.org/10.1063/1.364166.

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7

Frost, T. H., A. Anderson, and B. Agnew. "A hybrid gas turbine cycle (Brayton/Ericsson): An alternative to conventional combined gas and steam turbine power plant." Proceedings of the Institution of Mechanical Engineers, Part A: Journal of Power and Energy 211, no. 2 (March 1, 1997): 121–31. http://dx.doi.org/10.1243/0957650971537042.

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A hybrid gas turbine cycle is proposed based on the conventional Brayton cycle for the high-temperature heat addition process while adopting the Ericsson cycle for the low-temperature heat rejection process. It thus incorporates the thermodynamic advantages of a combined gas and steam turbine (CCGT) cycle without the irrevcrsibilities of the boiler and the ancillarics of the steam turbine/condenser plant. Thermodynamic analysis shows that a similar overall thermal efficiency as current CCGT plant (i.e. 0.54) would be achieved at a maximum gas temperature of 1311 °C if polytropic efficiencies of 0.90 for compression and expansion could be realized and if a maximum temperature of 77 °C was obtained during isothermal compression in the bottoming Ericsson cycle. A novel method of achieving multistage isothermal compression using heat pipe technology is proposed.
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8

Blank, D. A., and C. Wu. "Cooling and heating rate limits of a reversed reciprocating ericsson cycle at steady state." Proceedings of the Institution of Mechanical Engineers, Part A: Journal of Power and Energy 214, no. 1 (February 1, 2000): 75–85. http://dx.doi.org/10.1243/0957650001537877.

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The optimal cooling and heating rates for the reversed reciprocating Ericsson cycle with ideal regeneration are determined for heat pump operations. These limiting rates are based on the upper and lower thermal reservoir temperature bounds and are obtained using time and entropy minimization procedures from irreversible thermodynamics. Use is made of time symmetry (a second law constraint) to minimize cycle time. This optimally allocates the thermal capacitances of the cycle and minimizes internal cycle entropy generation. Although primarily a theoretical work, a very practical and extensive parametric study using several environmentally friendly working fluids (neon, nitrogen and helium) is included. This study evaluates the relative contributions of various system parameters to rate-optimized design. The coefficient of performance (COP), and thus the quantity of cooling or heating for a given energy input, is the traditional focus; instead this work aims at the rate of cooling or heating in heat pumps under steady state conditions and using ideal gases as their working substances. The results obtained provide additional criteria for use in the study, design and performance evaluation of employing Ericsson cycles in refrigeration, air conditioning and heat pump applications. They give direct insight into what is required in designing a reversed Ericsson heat pump to achieve maximum heating and cooling rates. The choices of working fluids and pressure ratios were found to be very significant design parameters, together with selection of regenerator and source—sink heat transfer parameters. The parameter most influencing both the heating and cooling mode COPs and the heat transfer rates was found to be the heat conductance of the thermal sink.
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9

Chen, F. C., R. W. Murphy, V. C. Mei, and G. L. Chen. "Thermodynamic Analysis of Four Magnetic Heat-Pump Cycles." Journal of Engineering for Gas Turbines and Power 114, no. 4 (October 1, 1992): 715–20. http://dx.doi.org/10.1115/1.2906647.

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Magnetic heat pumps have been successfully used for refrigeration applications at near absolute-zero-degree temperatures. In these applications, a temperature lift of a few degrees in a cryogenic environment is sufficient and can be easily achieved by a simple magnetic heat-pump cycle. To extend magnetic heat pumping to other temperature ranges and other types of application in which the temperature lift is more than just a few degrees requires more involved cycle processes. The possible cycle applications include cooling of superconducting transmission lines, space conditioning, and industrial heating. This paper investigates the characteristics of a few better-known thermomagnetic heat-pump cycles (Carnot, Ericsson, Stirling, and regenerative) in extended ranges of temperature lift. The regenerative cycle is the most efficient one. Cycle analyses were done for gadolinium operating between 0 and 7 Tesla, and with a heat-rejection temperature of 320 K. The analysis results predicted a 42 percent reduction in coefficient of performance at 260 K cooling temperature and a 15 percent reduction in capacity at 232 K cooling temperature for the magnetic Ericsson cycle as compared with the ideal regenerative cycle. Such substantial penalties indicate that the potential irreversibilities from this one source may adversely affect the viability of certain proposed MHP concepts if the relevant loss mechanisms are not adequately addressed.
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10

Kussul, Ernst, Oleksandr Makeyev, Tatiana Baidyk, and Omar Olvera. "Design of Ericsson Heat Engine with Micro Channel Recuperator." ISRN Renewable Energy 2012 (November 14, 2012): 1–8. http://dx.doi.org/10.5402/2012/613642.

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Stirling cycle and Rankine cycle heat engines are used to transform the heat energy of solar concentrators to mechanical and electrical energy. The Rankine cycle is used for large-scale solar power plants. The Stirling cycle can be used for small-scale solar power plants. The Stirling cycle heat engine has many advantages such as high efficiencyand long service life. However, the Stirling cycle is good for high-temperature difference. It demands the use of expensive materials. Its efficiency depends on the efficiency of the heat regenerator. The design and manufacture of a heat regenerator are not a trivial problem because the regenerator has to be placed in the internal space of the engine. It is possible to avoid this problem if we place the regenerator out of the internal engine space. To realize this idea it is necessary to develop the Ericsson cycle heat engine. We propose theoretical model and design of this engine.
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11

Wu, Li Shuang, Jin Mei Wu, and Hui Shan Yang. "Thermoeconomic Optimization for a Ferroelectric Ericsson Refrigerator." Advanced Materials Research 1070-1072 (December 2014): 1780–84. http://dx.doi.org/10.4028/www.scientific.net/amr.1070-1072.1780.

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Using the finite-time thermodynamics, based on the thermodynamics properties of ferroelectric materials and a linear heat-transfer law, the inherent regenerative losses in the cycle are calculated and the fundamental optimum relations and other relevant performance parameters are determined. The thermoeconomic optimization for ferroelectric Ericsson refrigeration-cycle is reported. The cooling load for the refrigerator per unit total cost is proposed as objective functions for the optimization. The optimum performance parameters which maximize the objective functions are investigated. Since the optimization technique consists of both investment and energy consumption costs, the obtained results are more general and realistic.
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12

Hugenroth, Jason, James Braun, Eckhard Groll, and Galen King. "Thermodynamic analysis of a liquid-flooded Ericsson cycle cooler." International Journal of Refrigeration 30, no. 7 (November 2007): 1176–86. http://dx.doi.org/10.1016/j.ijrefrig.2007.02.012.

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13

Hugenroth, Jason, James Braun, Eckhard Groll, and Galen King. "Experimental investigation of a liquid-flooded Ericsson cycle cooler." International Journal of Refrigeration 31, no. 7 (November 2008): 1241–52. http://dx.doi.org/10.1016/j.ijrefrig.2008.01.015.

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14

He, Jizhou, Jincan Chen, Jin T. Wang, and Ben Hua. "Inherent regenerative losses of a ferroelectric Ericsson refrigeration cycle." International Journal of Thermal Sciences 42, no. 2 (February 2003): 169–75. http://dx.doi.org/10.1016/s1290-0729(02)00016-9.

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15

Wang, Hao, and Guo-Xing Wu. "Ecological optimization for an irreversible magnetic Ericsson refrigeration cycle." Chinese Physics B 22, no. 8 (August 2013): 087501. http://dx.doi.org/10.1088/1674-1056/22/8/087501.

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16

Tyagi, S. K., J. Chen, G. Lin, and S. C. Kaushik. "Ecological optimization of an irreversible Ericsson cryogenic refrigerator cycle." International Journal of Energy Research 29, no. 13 (2005): 1191–204. http://dx.doi.org/10.1002/er.1038.

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17

Blank, David A., and Chih Wu. "Power limit of an endoreversible Ericsson cycle with regeneration." Energy Conversion and Management 37, no. 1 (January 1996): 59–66. http://dx.doi.org/10.1016/0196-8904(95)00020-e.

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18

Sisman, Altug, and Hasan Saygin. "On the power cycles working with ideal quantum gases: I. The Ericsson cycle." Journal of Physics D: Applied Physics 32, no. 6 (January 1, 1999): 664–70. http://dx.doi.org/10.1088/0022-3727/32/6/011.

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19

Chen, Liwei, Guozhen Su, and Jincan Chen. "Performance Evaluation of a Micro-/Nanoscaled Quantum Ericsson Refrigeration Cycle." Nanoscale and Microscale Thermophysical Engineering 15, no. 4 (October 2011): 229–36. http://dx.doi.org/10.1080/15567265.2011.620595.

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20

Yan, Zijun, and Jincan Chen. "A note on the Ericsson refrigeration cycle of paramagnetic salt." Journal of Applied Physics 66, no. 5 (September 1989): 2228–29. http://dx.doi.org/10.1063/1.344487.

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21

Miller, Timothy F. "Parametric modeling of a solid state Ericsson cycle heat engine." Energy 236 (December 2021): 121413. http://dx.doi.org/10.1016/j.energy.2021.121413.

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22

Frost, T. H., A. anderson, B. Agnew, and I. Potts. "Optimization of an air-cooled hybrid gas turbine cycle (Brayton/Ericsson)." Proceedings of the Institution of Mechanical Engineers, Part A: Journal of Power and Energy 217, no. 3 (January 1, 2003): 233–38. http://dx.doi.org/10.1243/095765003322066466.

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The performance of a Brayson cycle, a hybrid gas turbine cycle, has been examined to establish the effect of air cooling and heat exchanger effectiveness on the cycle efficiency and specific power. The air-cooled heat exchanger was optimized to produce the maximum net efficiency for the specified minimum cycle temperature. The cycle performance was shown to be adversely influenced by the air cooling as it reduced both the specific power and efficiency. The heat exchanger effectiveness was shown to have a secondary impact on the performance parameters. An additional optimization of the heat exchanger at minimum volume is also presented to act as a benchmark against which the performance of the heat exchanger in the optimized cycle can be compared.
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23

Xu, Zhichao, Juncheng Guo, Guoxing Lin, and Jincan Chen. "Optimal thermoeconomic performance of an irreversible regenerative ferromagnetic Ericsson refrigeration cycle." Journal of Magnetism and Magnetic Materials 409 (July 2016): 71–79. http://dx.doi.org/10.1016/j.jmmm.2016.02.063.

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24

Yan, Zijun. "On the criterion of perfect regeneration for a magnetic Ericsson cycle." Journal of Applied Physics 78, no. 5 (September 1995): 2903–5. http://dx.doi.org/10.1063/1.360035.

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25

Debnath, J. C., R. Zeng, A. M. Strydom, J. Q. Wang, and S. X. Dou. "Ideal Ericsson cycle magnetocaloric effect in (La0.9Gd0.1)0.67Sr0.33MnO3 single crystalline nanoparticles." Journal of Alloys and Compounds 555 (April 2013): 33–38. http://dx.doi.org/10.1016/j.jallcom.2012.12.021.

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26

Ahmadi, Mohammad Hossein, and Mohammad Ali Ahmadi. "Thermodynamic analysis and optimization of an irreversible Ericsson cryogenic refrigerator cycle." Energy Conversion and Management 89 (January 2015): 147–55. http://dx.doi.org/10.1016/j.enconman.2014.09.064.

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27

KIM, YOUNG MIN, DONG GIL SHIN, SANG TAE LEE, and DANIEL FAVRAT. "THERMODYNAMIC ANALYSIS OF A CLOSED BRAYTON/ERICSSON CYCLE ENGINE WITH SCROLL MACHINES." International Journal of Air-Conditioning and Refrigeration 18, no. 04 (December 2010): 279–87. http://dx.doi.org/10.1142/s2010132510000277.

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Stirling and Ericsson engines have great potential for many applications, including micro-cogeneration, solar power, and biomass. However, ideal cycles of both types of engines are difficult to achieve in practice because neither isothermal compression nor isothermal expansion is practical with reciprocating piston engines or with turbomachinery. On the other hand, scroll compressor and expander can be very suitable for effective cooling and heating because of the high area-to-volume ratio of scroll geometry or the application of two-phase flow. To achieve quasi-isothermal compression, either a large amount of liquid is injected into the inlet of the compressor or the compressor is externally cooled by liquid. Similarly, for quasi-isothermal expansion, either hot liquid, such as thermal oil, is injected into the inlet of the expander or the expander is externally heated by a heat source. In this current study, we have undertaken a theoretical investigation of thermodynamic analyses of several kinds of scroll-type engines, in particular with regard to associated compression and expansion processes, adiabatic or quasi-isothermal processes, and the highest cycle temperature. We selected power density, or thermal efficiency, as an objective function, and then deduced optimal design parameters for the scroll-type engine.
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28

Xia, Z. R., X. M. Ye, G. X. Lin, and E. Brück. "Optimization of the performance characteristics in an irreversible magnetic Ericsson refrigeration cycle." Physica B: Condensed Matter 381, no. 1-2 (May 2006): 246–55. http://dx.doi.org/10.1016/j.physb.2006.01.492.

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29

Hakuraku, Y. "Thermodynamic simulation of a rotating Ericsson‐cycle magnetic refrigerator without a regenerator." Journal of Applied Physics 62, no. 5 (September 1987): 1560–63. http://dx.doi.org/10.1063/1.339633.

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30

Mohammadi, Saber. "Effect of Polarization Fatigue on Harvesting Energy Using Pyroelectric Materials." Advances in Materials Science and Engineering 2014 (2014): 1–4. http://dx.doi.org/10.1155/2014/913817.

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The phenomenon of polarization fatigue in ferroelectric materials is defined and the effect of this phenomenon on harvested energy using these materials has been studied. In order to illustrate this effect, the harvested energy using PZN-4.5PT single crystal was compared in two cases of fatigued and nonfatigued samples. The results have been calculated between two temperatures of 100 and 130°C using Ericsson thermodynamic cycle.
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31

Kosowski, Krzysztof, and Marian Piwowarski. "Subcritical Thermodynamic Cycles with Organic Medium and Isothermal Expansion." Energies 13, no. 17 (August 21, 2020): 4340. http://dx.doi.org/10.3390/en13174340.

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The efficiencies of the Organic Rankine Cycle (ORC) are not very high and only very seldom do they exceed 20%. The increase and optimization of initial parameters and certain modifications of the thermodynamic cycle make it possible to overcome these drawbacks. A new modified cycle has been described and analyzed in detail in the paper. Similarly to the Ericsson cycle for gas turbines, isothermal expansion in the turbine is suggested for the power plant with organic media. The new cycle and the typical ORC power plants have the same block diagram. The only difference is that expansion in the proposed cycle occurs not adiabatically but as an isothermal process. The thermodynamic calculations have been carried out for 11 various fluids and 4 different cycles. The obtained results have clearly shown that cycles with isothermal expansion (isothermal turbines) are characterized by remarkably higher efficiency than typical power plants with adiabatic turbines. The increase in efficiency varies from 6 to 12 percent points for cycles with saturated live vapor and from 4 to 7 percent points for cycles with superheated live vapor. The performed analyses have shown that it is possible to achieve a very high efficiency (over 45%) of organic cycle, which is a very competitive value. In such cases the proposed power plants can achieve an efficiency which is higher than that of modern steam turbine plants with supercritical parameters.
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32

Rice, John, and Peter Galvin. "Alliance patterns during industry life cycle emergence: the case of Ericsson and Nokia." Technovation 26, no. 3 (March 2006): 384–95. http://dx.doi.org/10.1016/j.technovation.2005.02.005.

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33

Gomes, A. M., J. R. Proveti, A. Y. Takeuchi, E. C. Passamani, C. Larica, and A. P. Guimarães. "La(Fe1−xCox)11.44Al1.56: A composite system for Ericsson-cycle-based magnetic refrigerators." Journal of Applied Physics 99, no. 11 (June 2006): 116107. http://dx.doi.org/10.1063/1.2203389.

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34

Lontsi, F., O. Hamandjoda, K. F. Djanna, P. Stouffs, and J. Nganhou. "Dynamic modeling of a small open Joule cycle reciprocating Ericsson engine: simulation results." Energy Science & Engineering 1, no. 3 (August 28, 2013): 109–17. http://dx.doi.org/10.1002/ese3.13.

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35

Ngangué, Max Ndamé, and Pascal Stouffs. "Dynamic simulation of an original Joule cycle liquid pistons hot air Ericsson engine." Energy 190 (January 2020): 116293. http://dx.doi.org/10.1016/j.energy.2019.116293.

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36

Chen, Jincan, Jizhou He, and Ben Hua. "The influence of regenerative losses on the performance of a Fermi Ericsson refrigeration cycle." Journal of Physics A: Mathematical and General 35, no. 38 (September 10, 2002): 7995–8004. http://dx.doi.org/10.1088/0305-4470/35/38/303.

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37

Wang, Hao, Guoxing Wu, and Yueming Fu. "Optimization analysis of the performance of an irreversible Ericsson refrigeration cycle in the micro/nanoscale." Physica Scripta 84, no. 4 (September 13, 2011): 045009. http://dx.doi.org/10.1088/0031-8949/84/04/045009.

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38

Diguet, Gildas, Guoxing Lin, and Jincan Chen. "Performance characteristics of a magnetic Ericsson refrigeration cycle using GdxDy1−x as the working substance." Journal of Magnetism and Magnetic Materials 350 (January 2014): 50–54. http://dx.doi.org/10.1016/j.jmmm.2013.09.008.

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39

Takeya, H., V. K. Pecharsky, K. A. Gschneidner, and J. O. Moorman. "New type of magnetocaloric effect: Implications on low‐temperature magnetic refrigeration using an Ericsson cycle." Applied Physics Letters 64, no. 20 (May 16, 1994): 2739–41. http://dx.doi.org/10.1063/1.111459.

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40

Lontsi, Frederic, Oumarou Hamandjoda, Kennedy Fozao, Pascal Stouffs, and Jean Nganhou. "Dynamic simulation of a small modified Joule cycle reciprocating Ericsson engine for micro-cogeneration systems." Energy 63 (December 2013): 309–16. http://dx.doi.org/10.1016/j.energy.2013.10.061.

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41

Xu, Z. C., G. X. Lin, and J. C. Chen. "A Gd Ho1−-based composite and its performance characteristics in a regenerative Ericsson refrigeration cycle." Journal of Alloys and Compounds 639 (August 2015): 520–25. http://dx.doi.org/10.1016/j.jallcom.2015.03.147.

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42

Diguet, Gildas, Guoxing Lin, and Jincan Chen. "Performance characteristics of a regeneration Ericsson refrigeration cycle using a magnetic composite as the working substance." International Journal of Refrigeration 36, no. 3 (May 2013): 958–64. http://dx.doi.org/10.1016/j.ijrefrig.2012.11.022.

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43

Yan, Zijun, and Jincan Chen. "The effect of field‐dependent heat capacity on the characteristics of the ferromagnetic Ericsson refrigeration cycle." Journal of Applied Physics 72, no. 1 (July 1992): 1–5. http://dx.doi.org/10.1063/1.352158.

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44

Lin, Bihong, Yingru Zhao, and Jincan Chen. "Parametric optimum analysis of an irreversible Ericsson cryogenic refrigeration cycle working with an ideal Fermi gas." Pramana 70, no. 5 (May 2008): 779–95. http://dx.doi.org/10.1007/s12043-008-0089-x.

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45

Huang, Jian, Jie Xiang, Ce Zhi, Xue Zhen Wang, and Xue Ling Hou. "The Magnetocaloric Properties of (Mn1-XFeX)5Sn3 Compounds Prepared in Magnetic Environment." Advanced Materials Research 299-300 (July 2011): 520–24. http://dx.doi.org/10.4028/www.scientific.net/amr.299-300.520.

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The crystal structure, microstructure, Curie temperature and magnetocaloric properties of (Mn1-xFex)5Sn3 (x=0.1~0.5) alloys were studied in this paper. The alloys were prepared by powder metallurgy method with magnetic pressing and magnetic sintering. All samples crystallize in the hexagonal InNi2-type structure with space group P63/mmc. The lattice parameter, cell volumes of the (Mn1-xFex)5Sn3 decrease with increasing x, while the Curie temperature of these alloys increases almost linearly with increasing x. All samples exhibit a moderate magnetocaloric effect, and the curves of magnetic entropy change are flat in a wide temperature range, which is suitable for the Ericsson cycle.
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46

Creyx, M., E. Delacourt, C. Morin, and B. Desmet. "Dynamic modelling of the expansion cylinder of an open Joule cycle Ericsson engine: A bond graph approach." Energy 102 (May 2016): 31–43. http://dx.doi.org/10.1016/j.energy.2016.01.106.

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47

Stanciu, Dorin, and Viorel Bădescu. "Solar-driven Joule cycle reciprocating Ericsson engines for small scale applications. From improper operation to high performance." Energy Conversion and Management 135 (March 2017): 101–16. http://dx.doi.org/10.1016/j.enconman.2016.12.070.

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48

Chen, Jincan, and Zijun Yan. "The effect of thermal resistances and regenerative losses on the performance characteristics of a magnetic Ericsson refrigeration cycle." Journal of Applied Physics 84, no. 4 (August 15, 1998): 1791–95. http://dx.doi.org/10.1063/1.368349.

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49

Silvander, Johan, Magnus Wilson, Krzysztof Wnuk, and Mikael Svahnberg. "Supporting Continuous Changes to Business Intents." International Journal of Software Engineering and Knowledge Engineering 27, no. 08 (October 2017): 1167–98. http://dx.doi.org/10.1142/s0218194017500449.

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Abstract:
Software supporting an enterprise’s business, also known as a business support system, needs to support the correlation of activities between actors as well as influence the activities based on knowledge about the value networks in which the enterprise acts. This requires the use of policies and rules to guide or enforce the execution of strategies or tactics within an enterprise as well as in collaborations between enterprises. With the help of policies and rules, an enterprise is able to capture an actor’s intent in its business support system, and act according to this intent on behalf of the actor. Since the value networks an enterprise is part of will change over time the business intents’ life cycle states might change. Achieving the changes in an effective and efficient way requires knowledge about the affected intents and the correlation between intents. The aim of the study is to identify how a business support system can support continuous changes to business intents. The first step is to find a theoretical model which serves as a foundation for intent-driven systems. We conducted a case study using a focus group approach with employees from Ericsson. This case study was influenced by the spiral case study process. The study resulted in a model supporting continuous definition and execution of an enterprise. The model is divided into three layers; Define, Execute, and a common governance view layer. This makes it possible to support continuous definition and execution of business intents and to identify the actors needed to support the business intents’ life cycles. This model is supported by a meta-model for capturing information into viewpoints. The research question is addressed by suggesting a solution supporting continuous definition and execution of an enterprise as a model of value architecture components and business functions. The results will affect how Ericsson will build the business studio for their next generation business support systems.
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50

Li, Yan, Guoxing Lin, and Jincan Chen. "The effect of thermal hysteresis on the performance of a regenerative Ericsson refrigeration cycle with MnFe-based composite material." IOP Conference Series: Earth and Environmental Science 675, no. 1 (February 1, 2021): 012201. http://dx.doi.org/10.1088/1755-1315/675/1/012201.

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