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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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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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Nuri Eshoul, Abdulrahman Almutairi, Rasaq Lamidi, Hamad Alhajeri and Abdulrahman Alenezi
Desalination is the sole proven technique that can provide the necessary fresh water in arid and semi-arid countries in sufficient quantities and meet the modern needs of a growing world population. Multi effect desalination with thermal vapour compressi...
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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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Ratha Z. Mathkor, Brian Agnew, Mohammed A. Al-Weshahi and Fathi Latrsh
This paper reports on a study of the modelling, validation and analysis of an integrated 1 MW (electrical output) tri-generation system energized by solar energy. The impact of local climatic conditions in the Mediterranean region on the system performan...
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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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