Investigation of a cascaded CO2 refrigeration system using phase change materials for energy-saving potentials

Ko, Jaedeok; Thu, Kyaw; Miyazaki, Takahiko

doi:10.1016/j.applthermaleng.2020.116104

Cited by 17 publications

(1 citation statement)

References 29 publications

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“…Although knowhow is currently available in these areas, most of the published literature focused on technology development, but not its integration in the whole refrigeration system [31,32]. In this sense, the use of storage technologies, to decouple the demand-side form the supply side, should be further investigated [33]. Unfortunately, the large-scale deployment of ejector-based systems is hindered by the influence of the ejector operation on the performance of the integrated system [34].…”

Section: Refrigeration and Air Conditioningmentioning

confidence: 99%

Overview and outlook of research and innovation in energy systems with carbon dioxide as the working fluid

Bianchi

Besagni

Tassou

et al. 2021

Applied Thermal Engineering

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Carbon dioxide (CO 2 , R744) is a natural working fluid with interesting thermophysical properties that have stimulated strong attention by the academic and industrial communities for a broad range of energy applications. The technology readiness level of CO 2 -based energy systems is very diverse due to the increasing consideration that the fluid has been receiving since the 1990s. Hence, the state of the art in CO 2 energy research spans from fundamental thermofluid and chemistry science to commercial system innovations. After a brief compendium on ongoing activities, this paper proposes a roadmap for CO 2 energy research with reference to the cooling, heating and power sectors. The key knowledge gaps and the main challenges at system and component levels are critically discussed. Pathways to advance the understanding and the technological maturity of CO 2 energy systems are also outlined.

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Section: Refrigeration and Air Conditioningmentioning

confidence: 99%