Refrigerating heat pipes

Smirnov, Henry; Kosoy, Boris

doi:10.1016/s1359-4311(00)00085-5

Cited by 27 publications

(15 citation statements)

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“…This system is composed of a heat pipe, an ejector, an evaporator and an expansion valve; the working principles will not be described here because they are the same as those of other ejector refrigeration systems. A description can be found in the work of Smirnov and Kosov [284]. Riffat and Holt [109] performed computer modeling of the system using ethanol, methanol and water.…”

Section: Heat Pipe/ejector Refrigeration Systemmentioning

confidence: 99%

Ejector refrigeration: A comprehensive review

Besagni

Mereu

Inzoli

2016

Renewable and Sustainable Energy Reviews

417

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a b s t r a c tThe increasing need for thermal comfort has led to a rapid increase in the use of cooling systems and, consequently, electricity demand for air-conditioning systems in buildings. Heat-driven ejector refrigeration systems appear to be a promising alternative to the traditional compressor-based refrigeration technologies for energy consumption reduction. This paper presents a comprehensive literature review on ejector refrigeration systems and working fluids. It deeply analyzes ejector technology and behavior, refrigerant properties and their influence over ejector performance and all of the ejector refrigeration technologies, with a focus on past, present and future trends. The review is structured in four parts. In the first part, ejector technology is described. In the second part, a detailed description of the refrigerant properties and their influence over ejector performance is presented. In the third part, a review focused on the main jet refrigeration cycles is proposed, and the ejector refrigeration systems are reported and categorized. Finally, an overview over all ejector technologies, the relationship among the working fluids and the ejector performance, with a focus on past, present and future trends, is presented.

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Section: Heat Pipe/ejector Refrigeration Systemmentioning

confidence: 99%

Ejector refrigeration: A comprehensive review

Besagni

Mereu

Inzoli

2016

Renewable and Sustainable Energy Reviews

417

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“…Thus, as a matter of fact, it is necessary to maintain approximately 10 bar pressure drop for the operation of the vapor compressing refrigerating machine, while the total lengths of real refrigerators range from 1 to 10 m. In such a condition, for the refrigerating operation, the essential density scale of the driving forces will be between 10 5 and 10 6 N/m 3 . Therefore, it can be concluded that it is possible to arrange heat pipes which can complete refrigerating action [10].…”

Section: Capillary Limit and Maximum Mass Flow Ratementioning

confidence: 99%

“…Such a combination followed by the fundamentally original designs both for the heat pipes and the refrigerating machines [9]. The diffusion absorption refrigeration heat pipe cycle manufactured by Smirnov is based on ammonia (refrigerant) and water (absorbent) as the working fluids together with hydrogen as an auxiliary inert gas [10]. Since this unit operates using fixed parts and there is no electricity utilization in the heat pipe refrigeration cycle, the DARHP system is both quiet and reliable.…”

Section: Introductionmentioning

confidence: 99%

Performance study on a diffusion absorption refrigeration heat pipe cycle

Ziapour

Tavakoli

2011

International Journal of Thermal Sciences

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“…In the present study, for simplicity the one-dimensional constant pressure mixing theory developed by Keenan et al [17] is applied to ejector. The following assumptions are made for the analysis: (1) The flow inside the ejector is in steady state and zero-dimensional.…”

Section: Energy Analysismentioning

confidence: 99%

“…Such a combination followed by the fundamentally original designs both for the heat pipes and the refrigerating machines [1].…”

Section: Introductionmentioning

confidence: 99%