Performance analysis of PTC field based ejector organic Rankine cycle integrated with a triple pressure level vapor absorption system (EORTPAS)

• Main Authors: Devendra Kumar Gupta, Rajesh Kumar, Naveen Kumar
• Format: Article
• Language: English
• Published: Elsevier 2020-02-01
• Series: Engineering Science and Technology, an International Journal
• Online Access: http://www.sciencedirect.com/science/article/pii/S2215098618313247

The Proposed system consists of an ejector organic Rankine cycle (EORC) integrated with a triple pressure level absorption system (TPAS) based on parabolic trough collector (PTC) solar field. This system produces power and refrigeration output at two different temperatures simultaneously. A thermodynamic analysis is conducted to discover the effect of various design parameters such as solar beam radiation (SBR), turbine inlet pressure (TIP), turbine extraction pressure (TEP), and ejector evaporator temperature (EET) on the performance of the proposed system (EORTPAS). It is found that with the addition of TPAS in EORC, the energy efficiency of EORTPAS increases considerably but exergy efficiency decreases. It has also been observed that energy efficiency increases with the increase in TIP, TEP and, EET while decreases with the increase in SBR for both the systems. On the other hand, the exergy efficiency of both the systems increases with increase in SBR or TIP and with the decrease in TEP. It is also noticed that there is a slight decrease in exergy efficiency of both the systems with the increase in EET. Keywords: Ejector, Triple pressure level absorption system, Solar energy, Parabolic trough collector, Thermal energy storage, Organic Rankine cycle