A comprehensive thermodynamic modeling and optimization is reported of a polygeneration energy system for the … simultaneous production of heating, cooling, electricity and hot water from a common energy source. This polygeneration system is … cost associated with fuel, component purchasing and environmental impact, and the system exergy efficiency. The total cost …

important design parameters on the energy and exergy efficiencies of the system. … and thermodynamically assessed. Exergy analysis is conducted to determine the irreversibilities in each component and the … system performance. In addition, an environmental impact assessment of the multi-generation system is performed, and the …

irradiance greatly affects energy and exergy efficiencies and hence the performance of collectors. … solar energy systems. In this study, global solar radiation distribution is comprehensively analyzed for photovoltaic (PV …

Energy and exergy studies were conducted in an orange juice manufacturing industry in Nigeria to determine the energy … energy intensities of 0.932 and 0.119MJ/kg, respectively. The exergy analysis revealed that the pasteurizer was responsible … consumption pattern and methods of energy optimization in the company. An adaptation of the process analysis method of energy …

performance PV/T technology that can contribute to significant fossil fuel energy saving and carbon emission. …Objective of the paper is to present an investigation into the dynamic performance of a novel solar photovoltaic … to address the energy balances occurring in different parts of the system, e.g., glazing cover, PV cells, fin sheet, loop …

energy and exergy efficiencies of all three zones of salt-gradient solar pond are presented. Need of the evaluation and … saving a large quantity of energy from degradation as well as exergy destruction due to the use of ‘energy based on fossil …Solar energy technologies and their applications are as relevant today as they were in 1950s. A comprehensive review of …

The role of increased energy efficiency in achieving sustainable development is investigated. Specifically, the … relations are examined between energy (and energy efficiency) and sustainable development. Also, the linkages are discussed … between energy efficiency and environmental impact, and the theoretical and practical limitations on increased energy …

The aim of this work is to investigate theoretically and experimentally the performance characteristics of a commercial … quantity of fuel used and the exhaustion gases over the engine performance and environmental impact are presented and analyzed …

intensively. To improve understanding of thermochemical TES systems and their implementation, energy and exergy analyses are …. The analytical methodology applied in this study identifies that energy and exergy efficiencies differ for thermochemical … TESs, e.g. the energy efficiency for a case study is approximately 50% while the exergy efficiency is about 10%. Although …