نتایج جستجو برای: exergetic analysis

تعداد نتایج: 2824314  

2012
Fahad A. Al-Sulaiman G. Prakash Narayan John H. Lienhard

In this study, exergy analysis of a novel desalination system is presented and discussed. The water desalination is carried out using combined humidification-dehumidification and reverse osmosis technologies. Six system performance parameters are examined: overall exergetic efficiency, equivalent electricity consumption, specific exergy destruction, specific exergy lost, and total true specific...

2012
Yang Hu Volker Hartkopf Laura Schaefer Vivian Loftness Yousheng Hu Ying Hu

.............................................................................................................................. i List of Figures ................................................................................................................... vi List of Tables .................................................................................................................... i...

2016
M. Abid Khalid Saeed

In this study exergy and exergoeconomic analyses of a refrigeration system with two evaporators and an internal heat exchanger were performed. The analysis of the whole system included various thermodynamics parameters such as sustainability index, exergetic improvement potential, ratio of the thermodynamic losses(energetic and exergetic losses) to the capital cost, relative irreversibility for...

Journal: :Frontiers in bioscience 2017
Umberto Lucia Giulia Grisolia

The exergetic analysis of the biosystems is developed. It takes into account that cells are able to convert only part of the energy absorbed. The result is to highlight the fundamental role of the exergy as a quantity useful to develop considerations on the cells behavior in relation to normal or disease states.

Journal: :Engineering Science and Technology, an International Journal 2018

Journal: :Entropy 2007
Douani Mustapha Terkhi Sabria Ouadjenia Fatima

To analyze the performance of the separation process, we have introduced the thermodynamic concept of exergy through the exergetic efficiency of the column. The simulation results show that the exergetic output is relatively low and that the produced irreversibility fluxes are distributed throughout the whole column in a non-uniform manner. They are particularly significant in the condenser, bo...

2016
Alvaro Antonio Ochoa Villa José Carlos Charamba Dutra Jorge Recarte Henríquez Carlos Antonio Cabral dos Santos

The aim of the study is to present an economic analysis of a micro cogeneration system using financial analysis (energy view) and exergoeconomic analysis (exergy view). This system uses a natural gas-fueled 30 kW microturbine to generate electricity, and to produce hot water by recovering energy from the waste heat in the exhaust gases by using a heat exchanger, which serves as the drive source...

2016
Ammar M. Bahman Ray W. Herrick Eckhard A. Groll Ammar M. BAHMAN Eckhard A. GROLL

This paper presents a second-law of thermodynamics analysis to quantify the exergy destruction in each component of an Environmental Control Unit (ECU) for military applications. The analysis is also used to identify the potential contribution from each component to improve the overall energy efficiency of the system. Three ECUs were investigated experimentally at high ambient temperature condi...

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