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JTHERGAS is a versatile calculator (implemented in JAVA) to estimate thermodynamic information from two-dimensional graphical representations of molecules and radicals involving covalent bonds based on the Benson additivity method. The versatility of JTHERGAS stems from its inherent philosophy...
Persistent link: https://www.econbiz.de/10010807932
thermodynamic approach of entropy generation minimization (EGM). This approach provides the key insights on how the available energy … role of distributed heating in enhancing the thermal mixing, temperature uniformity and minimization of entropy generation … dominates the total entropy generation. In contrast, thermal mixing is improved due to enhanced convection at higher Da …
Persistent link: https://www.econbiz.de/10010808056
energy consumption in a thermal process. The temperature–entropy diagram shows that in order to gain the maximum energy …
Persistent link: https://www.econbiz.de/10010808213
different components of the machine. The second law analysis provides the entropy generation in each element and its … contribution at the degradation of the COP as well as the total entropy generation of the system. We have proposed a modification … of the initial configuration of the machine to reduce the energy losses occurring in the components of high entropy …
Persistent link: https://www.econbiz.de/10010808463
rooted in the thermodynamic constraints associated with producing fuels with high energy, low entropy, and high exergy from … dispersed materials. In this study, a preliminary thermodynamic analysis is presented that calculates the energy, entropy, and …
Persistent link: https://www.econbiz.de/10010808664
Energy recovery devices can have a substantial impact on process efficiency and their relevance to the problem of conservation of energy resources is generally recognized to be beyond dispute. One type of such a device, which is commonly used in thermal power plants and air conditioning systems,...
Persistent link: https://www.econbiz.de/10010808952
sustainability energy-related metric based on entropy balancing of a non-energy system. An underlying objective in this … of process quality, to entropy generation inherent to the considered manufacturing system. Hence, a manufacturing system …
Persistent link: https://www.econbiz.de/10010811942
The effect of fuel composition on the thermodynamic efficiency of gasifiers and gasification systems is studied. A chemical equilibrium model is used to describe the gasifier. It is shown that the equilibrium model presents the highest gasification efficiency that can be possibly attained for a...
Persistent link: https://www.econbiz.de/10011052919
, representing a significant contribution to irreversibility that is frequently omitted in engineering analysis. Entropy and exergy …
Persistent link: https://www.econbiz.de/10011053229
We apply optimization methods to study power generation limits for various energy converters, such as thermal, solar, chemical, and electrochemical engines. Methodological similarity is observed when analysing power limits in thermal machines and fuel cells which are electrochemical flow...
Persistent link: https://www.econbiz.de/10011053664