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Johannes Brötz, Christian Schänzle and Peter F. Pelz
The efficiency definition allows us to compare two machines with each other. In general, the efficiency is defined as the ratio of usable power to the required power. This raises the question: what is the usable power? Most engineers discuss efficiency o...
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Vigaile Semaskaite, Marijonas Bogdevicius, Tatjana Paulauskiene, Jochen Uebe and Ludmila Filina-Dawidowicz
Natural gas plays a vital role in the economically and environmentally sustainable future of energy. Its reliable deliveries are required, especially nowadays, when the energy market is so volatile and unstable. The conversion of natural gas to its lique...
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Michael Adedeji, Muhammad Abid, Humphrey Adun, Ayomide Titus Ogungbemi, David Alao and Juliana Hj Zaini
A combined heat and power (CHP) system powered by methane gas is modelled and analyzed in this study. The Thermolib MATLAB extension is used to model the system by graphically connecting the Thermolib standard components through fluid flows. An exergoenv...
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Ayman Temraz, Ahmed Rashad, Ahmed Elweteedy, Falah Alobaid and Bernd Epple
Solar-assisted combined cycle power plants (CCPPs) feature the advantages of renewable clean energy with efficient CCPPs. These power plants integrate a solar field with a CCPP. This integration increases the efficiency of solar power plants while decrea...
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Igor Poljak, Toni Bielic, Vedran Mrzljak and Josip Orovic
The atmospheric drain condensate system of a marine steam power plant is described and evaluated from the energetic and exergetic point of view at a conventional liquefied natural gas (LNG) carrier. Energy loss and exergy destruction rate were calculated...
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This paper presents the optimization of parallel distribution between electricity and heat production for a geothermal plant. The geothermal fluid is split into two streams, one used for an Organic Rankine Cycle (ORC) system, and the other for a District...
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Waste heat that is available in the flue gas of power plant stacks is a potential source of useful thermal power. In reclaiming and utilizing this waste heat without compromising plant efficiency, stacks usually need to be equipped with forced-draught fa...
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Daniel Woldemariam, Andrew Martin and Massimo Santarelli
Exergy analyses are essential tools for the performance evaluation of water desalination and other separation systems, including those featuring membrane distillation (MD). One of the challenges in the commercialization of MD technologies is its substant...
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Juan Gabriel Fajardo Cuadro,Bienvenido Sarria López,Mario Álvarez Guerra Plasencia
Pág. 127 - 135
En este trabajo se presentan los resultados del análisis exergético realizado al sistema de acondicionamiento de aire de una embarcación fluvial. El estudio se realizó en un prototipo a escala de laboratorio, el cual simula uno de los locales de la embar...
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Oscar M. Cruz Fonticiella,José A. Dos Reis Parise
Pág. 119 - 128
Se investigan las irreversibilidades de una bomba de calor, con análisis exergéticos y estructurales. Se utilizó una instalación experimental de una bomba de calor lográndose datos y cálculos de la eficiencia de la compresión, temperaturas medias de los ...
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