Bibliografías temáticas / Refrigeration and refrigerating machinery Refrigeration and refrigerating machinery Refrigeration and refrigerating machinery

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Literatura académica sobre el tema "Refrigeration and refrigerating machinery Refrigeration and refrigerating machinery Refrigeration and refrigerating machinery"

Autor: Grafiati
Publicado: 4 de junio de 2021
Última modificación: 6 de febrero de 2022

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Artículos de revistas sobre el tema "Refrigeration and refrigerating machinery Refrigeration and refrigerating machinery Refrigeration and refrigerating machinery"

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Lebedev, B., L. Knaub, E. Lebedeva y E. Pavlishko. "AN EXPERIMENTAL STUDY OF THE AMMONIA HERMETIC SMALL REFRIGERATION MACHINE." Аграрний вісник Причорномор'я, n.º 94 (25 de diciembre de 2019): 139–54. http://dx.doi.org/10.37000/abbsl.2019.94.20.

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The article focuses on the study of the design parameters of small refrigerating machines. This article shows practical studies of the dependence of the energy parameters of the refrigerating machine on its design features.In particular, the dependence of the coefficient of performance upon the superheating of steam at the suction in the compressor was studied, and preventing method of such overheating for small refrigerating machines was proposed. At the second stage the possibility of using a regenerative heat exchanger in an ammonia refrigerating machine was examined. The advantages of its use are shown. In general, the possibility of increasing the refrigeration efficiency by changing design parameters of the refrigerating machine is shown.
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Petushenko, S. "Cooling System for Primary Low Temperature Processing and Storage of Grains of Small Frachioned". Refrigeration Engineering and Technology 53, n.º 5 (2 de noviembre de 2017): 52–58. http://dx.doi.org/10.15673/ret.v53i5.852.

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The analysis of different aspects of grain refrigeration on elevators of Ukraine, Commonwealth of Independent States (CIS) and in the world is carried out. The advantage of the refrigeration method is shown concerning the quality and of energy conservation. A comparative analysis of various types of refrigeration machines operating on ozone-friendly refrigerants has been carried out. It is shown that it is more profitable to use heat that is worked out from refrigerating machines.
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Kirillov, N. G. "Stirling Refrigerating Machines — Promising Equipement for Moderate Refrigeration". Chemical and Petroleum Engineering 41, n.º 7-8 (julio de 2005): 372–76. http://dx.doi.org/10.1007/s10556-005-0123-5.

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Dobre, Cătălina, Lavinia Grosu, Alexandru Dobrovicescu, Georgiana Chişiu y Mihaela Constantin. "Stirling Refrigerating Machine Modeling Using Schmidt and Finite Physical Dimensions Thermodynamic Models: A Comparison with Experiments". Entropy 23, n.º 3 (19 de marzo de 2021): 368. http://dx.doi.org/10.3390/e23030368.

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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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Bukin, Vladimir Grigorievich, Alexey Vasilievich Ezhov y Aleksander Ivanovich Andreev. "Temperature-entropy diagrams for calculating cycles of refrigerating machines using refrigerant mixtures". Vestnik of Astrakhan State Technical University. Series: Marine engineering and technologies 2020, n.º 4 (18 de noviembre de 2020): 79–86. http://dx.doi.org/10.24143/2073-1574-2020-4-79-86.

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The article represents the advantages and disadvantages of refrigeration machines operating on non-azeotropic refrigerant mixtures. There has been illustrated their specific feature in comparison with pure substances: they are non-isothermal during phase transitions. It can be effective when cooling or heating flows that significantly change the temperature, and ineffective when working with volumes, where it is necessary to maintain a constant temperature. In the first case there takes place a decrease in the internal irreversibility of heat transfer processes in evaporators and condensers; in the second case - an increase. When using mixed refrigerants, it is possible to simultaneously obtain several temperature levels in a single-stage machine at the same pressure in the evaporators, they can obtain low boiling points of the refrigerant without vacuum in the evaporator and regulate the refrigeration capacity of the machine by changing the composition of the mixture. The prospects of using mixtures of working bodies of refrigerating machines have been proved. The diagrams T-S, T-ξ, i-ξ are presented allowing to calculate the cycle of the machine, to determine its operating parameters and to calculate the technical and energy characteristics. The developed thermal diagrams make it possible to accurately examine the dynamics of the boiling and condensation processes of a binary mixture, show the change in the concentration of the mixture in the vapor and liquid phases and make it possible to construct and calculate the cycle of a refrigeration machine operating on a mixed refrigerant. Examples of constructing cycles of two schemes of refrigeration machines operating on a mixed refrigerant are considered: with separation of the working substance flow and without separation. Methods for calculating the cycle are provided
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Zhao, Ya Le, Fang Wang, Jia Wen Zhang, Ding Ding Yang, Tang Li y Yan Liu. "The Simulation Optimization and Experimental Improvement of the Refrigerator". Advanced Materials Research 1051 (octubre de 2014): 840–44. http://dx.doi.org/10.4028/www.scientific.net/amr.1051.840.

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The Chinese refrigeration industry is faced with dual pressure of energy saving and emission reduction. R600a as an alternative refrigerant of R134a is environment friendly, and the alternation is very good. Firstly, this paper established a two-dimensional steady numerical calculation model of the refrigerating chamber with R600a, and studied the influence of the temperature distribution of the refrigerator’s posterior wall under different schemes on temperature field and velocity field of the refrigerating chamber. When the function of temperature distribution is T=-11.75*y, will achieve the best temperature field and velocity field, and the results are better than the original machine. Secondly, this paper studied the experimental improvement of R600a under the best temperature distribution scheme comparing with R134a.
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Tyczewski, Przemysław y Wiesław Zwierzycki. "Research Works on the Influence of Substituting the Refrigerant R22 with Propane (R290) on the Condition of the State of Sliding Surfaces Occurring in Piston Compressors". Solid State Phenomena 223 (noviembre de 2014): 163–70. http://dx.doi.org/10.4028/www.scientific.net/ssp.223.163.

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Motion elements of refrigerating compressors, depending on the applied oils and refrigerants, can be exposed to various wear processes. The presence of refrigerant makes lubricating and anti-wear properties of the mixture of oil and refrigerant much worse than in the case of oil with no refrigerant. Regulations concerning the application of substances weakening the ozone layer, valid at present, demand the withdrawal of operating synthetic agents refrigerating installations type HCFC – among others the popular R22. This paper presents the influence of different mixtures of oils and refrigerants on the moment of friction and the surface condition of cast iron and aluminium PA6. The tests were carried out on a friction machine with the use of a node type block-on-ring, which is located inside a pressure chamber that simulates the refrigeration compressor inside. The results of the performed tests confirm the possibility of using green refrigerant R290 (propane) as a substitute for R22, while keeping the existing mineral oil in the refrigerating installation.
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Busakhin, Alexey. "Principles of selection and optimization of cooling systems in public buildings". E3S Web of Conferences 244 (2021): 09013. http://dx.doi.org/10.1051/e3sconf/202124409013.

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Aspects of selecting the most effective refrigerating machine for air conditioning systems, taking into account the comparative analysis of the energy efficiency of the refrigerating machine are considered. The purpose of the work is to improve the regulatory framework governing the design, construction and operation of buildings and structures, to obtain sufficient theoretical and reliable calculated data to determine the standardized parameters and clarify the requirements for the design, construction and operation of buildings and structures. The requirements should be focused on ensuring safe for human health conditions of residence and stay in buildings and structures and the energy efficiency of buildings and structures in order to implement the requirements of the Federal Law of December 30, 2009 No. 384-FZ “Technical Regulations on the Safety of Buildings and Structures”. The aim of the study is to ensure the protection of the life and health of citizens, property of individuals and legal entities, state or municipal property, to bring methods for determining operational characteristics and assessment methods to the uniformity, to ensure mutual consistency of existing regulatory technical documents in the construction industry. The object of the study is the refrigeration and air conditioning systems of public buildings.
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Osadchuk, Eugeniy y Oleksandr Titlov. "ANALYSIS OF THE CLIMATIC FEATURES OF THE REGIONS OF THE PRIMARY APPLICATION OF THE SYSTEMS FOR PRODUCING WATER FROM THE ATMOSPHERIC AIR". ScienceRise 4 (31 de agosto de 2020): 3–9. http://dx.doi.org/10.21303/2313-8416.2020.001390.

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The object of research is the thermal and humidity processes occurring during artificial cooling of atmospheric air to the dew point temperature in the evaporators of refrigeration machines of the compression and absorption type. This study solves the problem of finding energy efficient heat and humidity modes for cooling atmospheric air to the dew point temperature in regions with a shortage of water resources and high solar installations. It is shown that practically in all considered climatic zones with a shortage of water resources, the process of obtaining water from atmospheric air is most energetically expended in the winter period of the year, and the most energetically efficient - in the summer period. In the summer period of the year, the specific energy consumption is numerically comparable in the cooling temperature range from 5 °C to 15 °C. It is also shown that the application of the technology of night radiation will create a reserve of natural cold for additional cooling of condensers of refrigerating machines of various types during the entire period of operation. The area of practical use of the research results: compression and absorption refrigeration machines operating in systems for obtaining water from atmospheric air and taking into account seasonal changes in the thermal and humidity parameters of atmospheric air. An innovative technological product: energy-efficient systems for obtaining water from atmospheric air based on refrigeration machines of the compression and absorption type, which also work with the help of solar radiation. Scope of application of the innovative technological product: systems for supplying the population with drinking and process water, mainly in areas with a shortage of water resources.
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10

Zhuk, H. V., O. I. Pyatnichko, L. R. Onopa y Yu V. Ivanov. "ENERGY EFFICIENT NATURAL GAS LIQUEFACTION TECHNOLOGIES IN LOW-TONNAGE PLANTS: UKRAINE’S PROSPECTS". Energy Technologies & Resource Saving, n.º 1 (20 de marzo de 2020): 7–18. http://dx.doi.org/10.33070/etars.1.2020.1.

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Along with the growth of natural gas consumption in the world, small-scale production of liquefied natural gas (LNG) is developing at a faster pace. It opens up the possibility of LNG obtaining and transporting as a commodity product at remote from gas networks fields or wells, and also at low-production wells and alternative sources of methane-containing gas. The development of modern technologies for natural gas liquefaction has been studied and the liquefaction cycles used in the low-tonnage scale have been classified. In Ukraine, rather large reserves of natural gas are found in small as well as depleted fields, so the problem of energy efficient technologies for liquefaction and transportation of their hydrocarbon resources creating is of particular relevance. For the development of such low-resource fields, liquefaction units operating on the compression-throttle cycle are most suitable. Energy efficient technological schemes of natural gas liquefaction plants have been developed: in the high-pressure throttle-ejector cycle with pre-cooling using a propane refrigerating machine and in the middle-pressure throttle cycle with ethane refrigeration cycle and the recovery of part of the liquefied gas. Optimum parameters of the refrigeration cycle and the whole plant are obtained from the point of view of minimizing the specific energy costs. The advantages of the proposed throttle schemes are simplicity, reliability, that are results from the use of standard compressor and refrigeration equipment, and energy efficiency of 0.5 kWh/kg LNG, which is sufficiently high for low-tonnage LNG production. Ref. 20, Fig. 6, Tab.1.
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Tesis sobre el tema "Refrigeration and refrigerating machinery Refrigeration and refrigerating machinery Refrigeration and refrigerating machinery"

1

Delano, Andrew Douglas. "Analysis of the Einstein refrigeration cycle". Thesis, Georgia Institute of Technology, 1997. http://hdl.handle.net/1853/17887.

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Delano, Andrew D. "Design analysis of the Einstein refrigeration cycle". Diss., Georgia Institute of Technology, 1998. http://hdl.handle.net/1853/17578.

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Wilson, Kyle B. "The use of Sage simulation software in the design and testing of Sunpower's pulse tube cryocooler". Ohio : Ohio University, 2005. http://www.ohiolink.edu/etd/view.cgi?ohiou1126908659.

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Altenhof, Jeffrey L. "Computer-aided concurrent engineering in refrigeration system design". Master's thesis, This resource online, 1990. http://scholar.lib.vt.edu/theses/available/etd-01262010-020010/.

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Menegay, Peter. "Experimental investigation of an ejector as a refrigerant expansion engine". Thesis, This resource online, 1991. http://scholar.lib.vt.edu/theses/available/etd-10222009-124957/.

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Mirza-Tolouee, Changiz M. "Experimental study of zeotropic refrigerant mixture HFC-407C as a replacement for HCFC-22 in refrigeration and air-conditioning systems". Australasian Digital Thesis Program, 2006. http://adt.lib.swin.edu.au/public/adt-VSWT20070416.141307/index.html.

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Thesis (PhD) - Swinburne University of Technology, Faculty of Engineering and Industrial Sciences, 2006.
A thesis submitted for the degree of Doctor of Philosophy, School of Engineering and Science, Swinburne University of Technology, 2006. Typescript. Includes bibliographical references (p. 123-127).
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7

Lough, Benjamin C. C. "Investigations into thermionic cooling for domestic refrigeration". School of Engineering Physics - Faculty of Engineering, 2004. http://ro.uow.edu.au/theses/230.

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Thermionic refrigeration using semiconductor heterostructures is examined theoretically and experimentally. A theory of single-barrier devices is first developed where two classes of single-barrier devices are defined and compared. So-called class 1 devices are found to always perform better. A theory of multiple-barrier devices based on class 1 barriers is then developed using a numerical solution. Experimentally, three generations of 10-barrier devices based on A1(subscript x)Ga(subscript 1-x)As-GaAs heterostructures were made and electrically characterised. This material is by no means ideal (as will be discussed) but was used to availability and because, at the commencement of this work, had never been used for this purpose before. Thermal measurements were made to determine if any cooling occurred at room temperature. No cooling was observed but the electrical characteristics allowed for examination of the models developed. It was found that the earlier models used did not accurately model the I-V characteristics of the devices. This was attributed to the fact that the initial models did not take space-charge into account. A more robust numerical model is developed in which the I-V characteristics of devices are predicted much more accurately. This model is then used to design new generations of devices. The work concludes by recommending a next generation design in which substantially more cooling is expected compared to the samples examined here. The probability of cooling being observed in the future is therefore increased. The types of devices described here will always be hindered because of heat conduction. Other methods incorporating thermionic emission, such as an opto-thermionic system in which removed heat is given off as light, may ultimately prove to be the best solution. This aside, it is hoped that the work presented here will contribute to the understanding of the field.
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O'Loughlin, R. L. "Optimal design of organic refrigerant reverse cycle absorption air conditioning systems /". Title page, contents and abstract only, 1986. http://web4.library.adelaide.edu.au/theses/09ENS/09enso52.pdf.

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Herman, David Laurence. "Experimental optimization of cooling tower fan control based on field data". Thesis, Georgia Institute of Technology, 1991. http://hdl.handle.net/1853/16629.

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Weber, Eric Dean. "Modeling and general optimization of commercial building chiller/cooling tower systems". Thesis, Georgia Institute of Technology, 1988. http://hdl.handle.net/1853/16874.

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Libros sobre el tema "Refrigeration and refrigerating machinery Refrigeration and refrigerating machinery Refrigeration and refrigerating machinery"

1

Industrial refrigeration. Troy, Mich: Business News Pub. Co., 1988.

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Modern refrigerating machines. Amsterdam: Elsevier, 1991.

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Dossat, Roy J. Principles of refrigeration. 3a ed. Englewood Cliffs, N.J: Prentice Hall, 1991.

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Principles of refrigeration. 4a ed. Englewood Cliffs, N.J: Prentice Hall, 1997.

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Fundamentals of refrigeration. Albany: Delmar, 1995.

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1957-, Horan Thomas J., ed. Principles of refrigeration. 5a ed. Upper Saddle River, N.J: Prentice Hall, 2002.

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Dossat, Roy J. Principles of refrigeration. 3a ed. Englewood Cliffs: Prentice Hall International, 1991.

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Olivo, C. Thomas. Principles of refrigeration. 3a ed. Albany, N.Y: Delmar Publishers, 1990.

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Stoecker, W. F. Industrial refrigeration handbook. New York: McGraw-Hill, 1998.

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1929-, Miller Rex, ed. Refrigeration, home and commercial. 4a ed. New York: Macmillan, 1990.

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Capítulos de libros sobre el tema "Refrigeration and refrigerating machinery Refrigeration and refrigerating machinery Refrigeration and refrigerating machinery"

1

Fox, Malcolm A. "Refrigerating Machines". En Glossary for the Worldwide Transportation of Dangerous Goods and Hazardous Materials, 218. Berlin, Heidelberg: Springer Berlin Heidelberg, 1999. http://dx.doi.org/10.1007/978-3-662-11890-0_67.

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Rossi, Cesare y Flavio Russo. "Refrigeration and Heating". En History of Mechanism and Machine Science, 121–40. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-44476-5_10.

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Feidt, M. "Advanced Thermodynamics of Reverse Cycle Machine". En Low Temperature and Cryogenic Refrigeration, 39–82. Dordrecht: Springer Netherlands, 2003. http://dx.doi.org/10.1007/978-94-010-0099-4_4.

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Leontiev, A. I. "Gas Dynamics Cycles of Thermal and Refrigerating Machines". En Thermodynamic Optimization of Complex Energy Systems, 271–78. Dordrecht: Springer Netherlands, 1999. http://dx.doi.org/10.1007/978-94-011-4685-2_20.

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Konovalov, Dmytro, Halina Kobalava, Andrii Radchenko, Oleksii Zielikov y Viktor Khaldobin. "Efficiency of Thermopressor Application in an Ejector Refrigeration Machine". En Lecture Notes in Mechanical Engineering, 329–38. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-77823-1_33.

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Lemeshko, M. A., S. R. Urunov y A. V. Kozhemyachenko. "Assessment Method of Technical Condition of Small Refrigerating Machine Using Programmable Controller". En Lecture Notes in Electrical Engineering, 622–29. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-39225-3_68.

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Luiguy, X. de L., H. O. A. Clayton y H. M. S. Sergio. "Smart Consumption Study Using Data Analysis and IoT in Residential Level Refrigeration Machines". En Advances in Intelligent Systems and Computing, 618–30. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-32520-6_45.

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Trushliakov, Eugeniy, Mykola Radchenko, Bohdan Portnoi, Veniamin Tkachenko y Artem Hrych. "Analysis of Operation of Ambient Air Conditioning Systems with Refrigeration Machines of Different Types". En Lecture Notes in Networks and Systems, 545–55. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-66717-7_46.

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Morosuk, Tatiana. "Structural and Parametric Optimization of an Absorption Refrigeration Machine: Inverse Rectification as Auxiliary Absorption Process". En Defect and Diffusion Forum, 219–24. Stafa: Trans Tech Publications Ltd., 2006. http://dx.doi.org/10.4028/3-908451-36-1.219.

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Haas, Sebastian, Stefan Weiherer y Michael S. J. Walter. "Design of an Adsorption Refrigeration Machine with an Auxiliary Heater for CO2-Neutral Air-Conditioning of E-Vehicles". En Sustainability in Energy and Buildings, 651–64. Singapore: Springer Singapore, 2019. http://dx.doi.org/10.1007/978-981-32-9868-2_55.

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Actas de conferencias sobre el tema "Refrigeration and refrigerating machinery Refrigeration and refrigerating machinery Refrigeration and refrigerating machinery"

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Babenkov, Y. I., A. I. Ozersky, V. V. Romanov, G. A. Galka y E. S. Zhelonkina. "EXPERIMENTAL DETERMINATION AND CALCULATION OF BASIC OPERATING PARAMETERS OF A CAR AIR CONDITIONER". En INNOVATIVE TECHNOLOGIES IN SCIENCE AND EDUCATION. DSTU-Print, 2020. http://dx.doi.org/10.23947/itno.2020.347-349.

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In this work, experimental studies have been carried out to determine the main thermodynamic parameters of the refrigerating machine of an automobile air conditioner. The coefficient of performance, compressor operation, specific refrigeration capacity, mass flow, and compressor efficiency were determined. With the help of a multimedia device, the curves of the speed of the system, pressure sensors and temperature sensors were taken.
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Li, Jinliang. "Research on Refrigeration Equipment for Drinks Based on Semiconductor Refrigeration Technology". En 2017 4th International Conference on Machinery, Materials and Computer (MACMC 2017). Paris, France: Atlantis Press, 2018. http://dx.doi.org/10.2991/macmc-17.2018.115.

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Xing, Shucheng. "Thermodynamic Model of Semiconductor Refrigeration System Based on Peltier Effect". En Advances in Materials, Machinery, Electrical Engineering (AMMEE 2017). Paris, France: Atlantis Press, 2017. http://dx.doi.org/10.2991/ammee-17.2017.12.

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Mahkamov, Khamid, Irina Makhkamova y Fadi Kahwash. "Novel Twin-Screw Stirling Cycle Machine for Cryogenic and Refrigeration Applications". En ASME 2018 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2018. http://dx.doi.org/10.1115/imece2018-86853.

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This paper describes design and principles of operation of a novel rotary type Stirling cycle machines based on rotary positive displacement mechanisms such as twin-screw, gate rotor screw, scroll, and conical screw compressors and expanders. When these mechanisms are used as separate expanding or compressing machines, the flow of the gas is one-directional with volumes of chambers varying in accordance with a saw-tooth type function. The proposed design solution combines at least two units of gas-coupled compressor and expander arrangements with a required shift in the shaft angle. Every unit has a series of gas channels for timing the connection of its compressor and expander parts. Units are connected to each other via a set of heat exchangers, which are conventional for Stirling cycle machines: recuperative cooling and warm heat exchangers with a regenerator, built between them. The operational capability is demonstrated using three-dimensional CFD simulations. Computational results demonstrate reciprocating flow of the gas between units, as in conventional Stirling machines, and functioning of the proposed design as a multi-cylinder, double acting Stirling machine. The suggested design makes it possible to achieve full dynamic balancing, especially in the case of twin-screw and gate rotor mechanisms, due to the rotation of screws around their axes. It also eliminates a number of problems, which are specific to Stirling machines with reciprocating pistons and their kinematic drive mechanisms.
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Wen-Xiu Tang y Nan-Nan Lv. "Fuzzy control for refrigeration system of communications-room". En 2009 International Conference on Machine Learning and Cybernetics (ICMLC). IEEE, 2009. http://dx.doi.org/10.1109/icmlc.2009.5212406.

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Kuosa, Maunu, Jari Backman, Timo Talonpoika, Petri Sallinen, Jaakko Larjola y Juha Honkatukia. "Refrigeration Process With High Speed Technology". En ASME 1998 International Gas Turbine and Aeroengine Congress and Exhibition. American Society of Mechanical Engineers, 1998. http://dx.doi.org/10.1115/98-gt-532.

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The aim of this study was to make a computer program that simulates a standard refrigeration process, and a process provided with a bubble intercooler. A further object of the study was to establish the suitability of a turbocompressor for small refrigeration plants. Firstly the fundamentals of refrigeration machines and industrial refrigeration systems are discussed. An iteration procedure of steady state refrigeration process calculation is introduced. Fluid properties are calculated with the program units created for the modelling of an ORC power plant. Specific input files were made for 6 process fluids R134a, R123, isopentane, isobutane, toluene and ammonia. The compressor program is linked to the refrigeration process simulation program in order to model single stage and two stage radial compressors. The Turbo Pascal program made for microcomputers is modular, which makes it possible to develop and test the program unit by unit. The maximum deviations of fluid properties from those in tables was found to be less than 1 per cent. To simulate tailor-made refrigeration plants, a simple model is required. On nominal loads the program estimates an optimum intermediate pressure for the bubble process and optimum rotational speed for the radial compressor(s). The lowering of the rotational speed by an inverter gives high COP-values on partial loads of the plant. Based on the example calculation, a two stage turbocompressor calculated with isopentane as the working fluid, a cooling capacity of 1200 W seems to be feasible.
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Santana, Adamo, Yoshikazu Fukuyama, Kenya Murakami y Tetsuro Matsui. "Machine learning application for refrigeration showcase fault discrimination". En TENCON 2016 - 2016 IEEE Region 10 Conference. IEEE, 2016. http://dx.doi.org/10.1109/tencon.2016.7847948.

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8

Evdokimov, V. S., E. A. Zhukova, A. A. Kapelukhovskaya y V. A. Maximenko. "Compressor refrigerating machine for soil thermal stabilization systems". En NANOSCIENCE AND NANOTECHNOLOGY: NANO-SciTech. AIP Publishing, 2019. http://dx.doi.org/10.1063/1.5122099.

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Ji, Yunzhe, Xiaojie Wang y Xiaojing Li. "Research on Waste Heat Refrigeration Method of Diesel Generator". En The 3rd International Conference on Machinery, Materials Science and Energy Engineering (ICMMSEE 2015). WORLD SCIENTIFIC, 2015. http://dx.doi.org/10.1142/9789814719391_0028.

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10

Ro¨ytta¨, Pekka, Juha Honkatukia y Teemu Turunen-Saaresti. "Centrifugal Compressor Working Fluids for Refrigeration Cycle". En ASME Turbo Expo 2009: Power for Land, Sea, and Air. ASMEDC, 2009. http://dx.doi.org/10.1115/gt2009-59150.

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Resumen
A centrifugal high-speed compressor is an effective light weight option to power a refrigeration cycle for air conditioning purposes. Perhaps the most important decision in design is the working fluid selection. Modern high-speed technology makes it possible for the refrigeration compressor to be completely oil free, which considerably broadens the scale of possible working fluids. Furthermore, many traditional fluids have become banned and the industry standard R134a might face the same faith in some European countries because of its relatively high global warming potential. In this study eleven different fluids were studied and compared and R22 was used as a reference. It was found that there are many potential fluids for centrifugal compressors that provide better efficiencies than the most common fluids in use today. The purpose of this study is to initially screen a larger set of candidate fluids for more accurate estimation later on. The fluids are evaluated by the efficiency of the cycle, but also mechanical feasibility and dimensions are considered as light weight of the machinery was an important criterion in design process. The comparison was made with constant evaporation and condensation temperature and fixed cooling power for all the fluids. In selection of the working fluid the safety factors often play a dominant role which was also shortly considered. In our study we found out that for a residential HVAC size cooling cycle there are environmentally friendly fluids with high efficiency leading to feasible mechanical designs with centrifugal compressors.
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