Results 211 to 220 of about 295,883 (252)
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Cryogenics, 2010
Abstract Auto refrigerant cascade (ARC) refrigerators operating with zeotropic mixtures provide refrigeration at temperatures less than 173 K (−100 °C) using a single compressor. Different authors have suggested different cascade heat exchangers for ARC refrigerators.
H. Gurudath Nayak, G. Venkatarathnam
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Abstract Auto refrigerant cascade (ARC) refrigerators operating with zeotropic mixtures provide refrigeration at temperatures less than 173 K (−100 °C) using a single compressor. Different authors have suggested different cascade heat exchangers for ARC refrigerators.
H. Gurudath Nayak, G. Venkatarathnam
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Selection of suitable natural refrigerants pairs for cascade refrigeration system
Proceedings of the Institution of Mechanical Engineers, Part A: Journal of Power and Energy, 2013This study presents thermodynamic analyses and optimization of a two-stage cascade system employing a choice of eight natural refrigerants leading to the most suitable refrigerants pair for wide ranges of operating temperatures; the optimal pair was based on best system performance (cooling coefficient of performance) as well as best volumetric cooling
Jahar Sarkar +2 more
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A cycling cascade 3He-4He refrigerator
Physica, 1971Abstract A new type of cycling 3He-4He refrigerator has been developed, in which cooling takes place due to dilution of 3He in an assembly of several dilution chambers connected in series by capillaries. During each cycle the temperature range from 0.25 K down to 30 mK can be covered.
N.H. Pennings +2 more
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Synthesis of Mixed Refrigerant Cascade Cycles
Chemical Engineering Communications, 2002This paper considers the synthesis of refrigeration systems with refrigerant mixtures as working fluids. The employed refrigeration topology encompasses features from industrial liquefaction of natural gas (LNG) systems. This configuration consists of a combination of horizontal and vertical cascades generalizing the vertical cascade of pure ...
Shankar Vaidyaraman, Costas D. Maranas
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Cascade Refrigeration System with Environment Friendly Refrigerants as R290 and Ammonia
International Journal of Environmental Engineering, 2022V.N. Raibhole, D.A. Kamble
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New cascades for thermo-chemical refrigeration
International Journal of Thermal Sciences, 2005A diagrammatical approach for the design of new thermo-chemical cascades for heat management purposes is proposed. The two key elements of this approach are: a method to automatically generate system architectures and a general approach to selecting appropriate materials. It is based on establishing an explicit correspondence between the exergy balance
B. Spinner +4 more
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Performance of a Cascade Refrigerating System.
1952This item was digitized as part of a project to share McGill's intellectual legacy with the public. If you are the copyright holder or a relative of the copyright holder who is deceased, you may request withdrawal by emailing escholarship.library@mcgill.ca.
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A Closed-Cycle Cascade Helium Refrigerator
1963The practical application of masers, cryotrons, superconducting magnets, and other newly developed electronic devices, which must be maintained at extremely low temperatures, requires reliable and compact helium refrigerators. In the development of such refrigerators, several general design criteria should be considered: (1) the system should be ...
P. K. Lashmet, J. M. Geist
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Performance Characteristics of Cascade Refrigeration Systems with Different Refrigerants
2023Bilal A. Qureshi, Syed M. Zubair
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STUDY INTO THE FEASIBILITY OF BINARY REFRIGERANT APPLICATION IN A CASCADE REFRIGERANT MACHINE
Вестник ВСГУТУ, 2022O.S. Prantsuz +3 more
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