Abstract:An integrated solar combined cycle system based on parabolic trough solar
collector and combined cycle power plant is proposed. The advanced system is
socio-economic significance compared to traditional combined cycle power
system. Plainly, the exergetic analyses (exergy destruction and efficiency)
via conventional and advanced methods are used for thermodynamic properties
of the integrated solar combined cycle system components. In addition, the
exergy destruction is divided into endogenous,… Show more
It is crucial to evaluate the impact of key parameters of multi-generation
systems on their performance characteristics in order to develop efficient
systems. The present study conducts parametric analysis of a PTSC-driven
trigeneration system with a novel energy distribution based on direct-fed
organic Rankine cycle (ORC) and bottom-cycled arrangement of double-effect
absorption refrigeration cycle and Kalina cycle system. Three different ORC
structures (simple, regenerative, and ORC integrated with IHE) are proposed.
Effect of key ORC parameters namely ORC evaporator pinch point temperature
and pump inlet temperature is examined on the thermodynamic performance of
systems. Decrease of pinch point temperature enhances overall efficiencies
and heating power in all three configurations, and increases (decreases) the
net electrical power for ORC and RORC (ORC) based systems. This also
enhances the cooling power of the RORC based system, though it has no impact
on the cooling power of the ORC and ORC-IHE based systems. Reduction of the
ORC pump inlet temperature increases overall exergy efficiency in all hybrid
systems and overall energy efficiency in the ORC and ORC-IHE based systems,
whereas it slightly decreases for the RORC based system. Based on a
comparative study, performance of the proposed systems is found to be higher
than related solar-driven multi-generation systems in the literature.
It is crucial to evaluate the impact of key parameters of multi-generation
systems on their performance characteristics in order to develop efficient
systems. The present study conducts parametric analysis of a PTSC-driven
trigeneration system with a novel energy distribution based on direct-fed
organic Rankine cycle (ORC) and bottom-cycled arrangement of double-effect
absorption refrigeration cycle and Kalina cycle system. Three different ORC
structures (simple, regenerative, and ORC integrated with IHE) are proposed.
Effect of key ORC parameters namely ORC evaporator pinch point temperature
and pump inlet temperature is examined on the thermodynamic performance of
systems. Decrease of pinch point temperature enhances overall efficiencies
and heating power in all three configurations, and increases (decreases) the
net electrical power for ORC and RORC (ORC) based systems. This also
enhances the cooling power of the RORC based system, though it has no impact
on the cooling power of the ORC and ORC-IHE based systems. Reduction of the
ORC pump inlet temperature increases overall exergy efficiency in all hybrid
systems and overall energy efficiency in the ORC and ORC-IHE based systems,
whereas it slightly decreases for the RORC based system. Based on a
comparative study, performance of the proposed systems is found to be higher
than related solar-driven multi-generation systems in the literature.
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