THERMODYNAMIC ANALYSIS OF A MODIFIED TWO-STAGE TRANS-CRITICAL CO2 REFRIGERATION CYCLE WITH MULTI INTER-COOLING SYSTEM

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RAHMATI A.R.; GHEIBI A.

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Paper Information

Journal: INTERNATIONAL JOURNAL OF ADVANCED DESIGN AND MANUFACTURING TECHNOLOGY Year:2017 | Volume:10 | Issue:3 Page(s): 97-104

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Title

THERMODYNAMIC ANALYSIS OF A MODIFIED TWO-STAGE TRANS-CRITICAL CO2 REFRIGERATION CYCLE WITH MULTI INTER-COOLING SYSTEM

Author(s)

RAHMATI A.R. | GHEIBI A. | Issue Writer Certificate

Keywords

EJECTOR-EXPANSION

INTERNAL HEAT EXCHANGER

REFRIGERATION

TWO-STAGE

TRANSCRITICAL

Abstract

Performance of a TWO-STAGE multi-inter-cooling trans-critical CO2 REFRIGERATION cycle containing INTERNAL HEAT EXCHANGER, two intercoolers, ejector, and separator, has been analyzed after modification. In the present study, an INTERNAL HEAT EXCHANGER has been included within this cycle for possible improvement in its cooling performance. The impacts of operational parameters such as gas cooler and evaporator temperatures and gas-cooler pressure, on cycle performance have been investigated. Results are validated against those available in the literature. Comparisons of the results show that there is excellent agreement between them. Obtained results showed that modified cycle improved the maximum coefficient of performance (COP max), by 20.58% compared to the INTERNAL HEAT EXCHANGER TWO-STAGE TRCC cycle and 23.2% compared to multi-inter-cooling TWO-STAGE TRCC cycle with ejector expansion device. Also, the total exergy destruction rate of the improved cycle is between its rates of two original cycles.

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APA: Copy

RAHMATI, A.R., & GHEIBI, A.. (2017). THERMODYNAMIC ANALYSIS OF A MODIFIED TWO-STAGE TRANS-CRITICAL CO₂ REFRIGERATION CYCLE WITH MULTI INTER-COOLING SYSTEM. INTERNATIONAL JOURNAL OF ADVANCED DESIGN AND MANUFACTURING TECHNOLOGY, 10(3), 97-104. SID. https://sid.ir/paper/704859/en

Vancouver: Copy

RAHMATI A.R., GHEIBI A.. THERMODYNAMIC ANALYSIS OF A MODIFIED TWO-STAGE TRANS-CRITICAL CO₂ REFRIGERATION CYCLE WITH MULTI INTER-COOLING SYSTEM. INTERNATIONAL JOURNAL OF ADVANCED DESIGN AND MANUFACTURING TECHNOLOGY[Internet]. 2017;10(3):97-104. Available from: https://sid.ir/paper/704859/en

IEEE: Copy

A.R. RAHMATI, and A. GHEIBI, “THERMODYNAMIC ANALYSIS OF A MODIFIED TWO-STAGE TRANS-CRITICAL CO₂ REFRIGERATION CYCLE WITH MULTI INTER-COOLING SYSTEM,” INTERNATIONAL JOURNAL OF ADVANCED DESIGN AND MANUFACTURING TECHNOLOGY, vol. 10, no. 3, pp. 97–104, 2017, [Online]. Available: https://sid.ir/paper/704859/en

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