Análise termodinâmica de um sistema de energia de alto desempenho (Thermodynamic Analysis Of An Energy High Performance Systems)

Antônio Wilton Araújo Cavalcante (, Carlos Antônio Cabral Dos Santos (, Alvaro Antonio Villa Ochoa (

1Instituto Federal de Tecnologia de Ceará
2Universidade Federal da Paraíba
3Instituto Federal de Tecnolgia de Pernambuco/Universidade Federal de Pernambuco

This paper appears in: Revista IEEE América Latina

Publication Date: March 2017
Volume: 15,   Issue: 3 
ISSN: 1548-0992

The energy sector worldwide, every day comes with new challenges, whether it find renewable energy source, or when this energy source can degrade the environment and/or when its efficiency does not satisfy its implementation. In this work, an energy recycling system of two and three levels will be covered. In the tests performed, the primary source is an internal combustion engine 100 KVA powered by natural gas and generates electric power by a synchronous generator coupled to the motor shaft. Energy loss by the exhaust gas is reused in a absorption refrigeration system of 5TR. This first system is restructured to reuse the gases rejected by the absorption refrigeration system generator, in order to preheat the fluid oil used in biodiesel plant as a source of drive. The unit of high performance generation can be classified as cogeneration and / or trigeneration, depending on the type of arrangement which was tested and will meet the physical facilities, such as; the Control and Instrumentation Laboratory for Energy and the Environment, to Mechanical Workshop, to the Institute of sustainable energy of the UFPB, and also the building of RECOGÁS. In this study, it was evaluated the constituent energy power of each term of the polygeneration system considering the generator engine group as a main driven source and the results shown in a Sankey diagram, allowed to check the whole process since of the beginning of the burning fuel to end of the electricity production.

Index Terms:
Internal Combustion Engine, absorption chiller, polygeneration system, Natural gas,   

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