An investigation of the effective pressure ratio effects on the ejector-diffuser system

Kong, Fanshi; Kim, Heuy Dong; Setoguchi, Toshiaki

doi:10.1007/s12650-014-0235-0

Cited by 4 publications

(3 citation statements)

References 8 publications

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“…Of particular importance is the dissipative effect of the shock trains as it produces a compression and a shift from supersonic to subsonic conditions. There is considerable research concerning experimental [46][47][48][49][50][51][52][53][54][55][56][57][58][59][60][61][62][63][64][65] and numerical [66][67][68][69][70][71][72][73][74][75][76][77][78][79][80][81] studies of the flow phenomena inside an ejector. Even further detailed knowledge and modeling of these phenomena should allow for better component design.…”

Section: Supersonic Ejectormentioning

confidence: 99%

“…15: the vapor coming from the generator is spitted in two streams and is the primary fluid of the first sub-ejector and the secondary fluid of the second sub-ejector. Recently, Kong et al [64,314] presented a numerical investigation of the local phenomena in a two-stage ejector system. A dual ejector configuration was also proposed by Zhu et al [315] using R410A.…”

Section: Ers With An Additional Jet Pumpmentioning

confidence: 99%

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Ejector refrigeration: A comprehensive review

Besagni

Mereu

Inzoli

2016

Renewable and Sustainable Energy Reviews

414

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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: Supersonic Ejectormentioning

confidence: 99%

Section: Ers With An Additional Jet Pumpmentioning

confidence: 99%

Ejector refrigeration: A comprehensive review

Besagni

Mereu

Inzoli

2016

Renewable and Sustainable Energy Reviews

414

View full text Add to dashboard Cite

show abstract

“…For the past decades, many efforts [13][14][15][16][17][18] were devoted to increase the ejector efficiency by optimizing the supersonic nozzle, mixing chamber or by adding mixing guide vanes. However, these works are still not satisfactory in aspect of the system performance, due to very complicated flows inside the ejector.…”

Section: Introductionmentioning

confidence: 99%