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High pressure technologies involving sub and supercritical fluids offer the possibility to obtain new products with special characteristics or to design new processes, which are environmentally friendly and sustainable. By using high pressure as a processing tool one can also avoid the legal...
Persistent link: https://www.econbiz.de/10011077743
nanosized according to the calculations from XRD data. Because of their strong basicity, the nanoparticles were further used as …
Persistent link: https://www.econbiz.de/10011055167
The emission characteristics of diesel powered vehicles using conventional diesel fuel and six different biodiesel blends at proportions of 1% (B1), 3% (B3), 5% (B5), and 20% (B20) by volume were investigated. The emission tests were performed following the NEDC (New European Driving Cycle) and...
Persistent link: https://www.econbiz.de/10011077746
The global electricity supply from non-hydro renewables, mainly wind and solar, is currently growing at a high rate, and it is expected that this trend persists. In the near-to-medium term, the power produced by breakthrough fossil fuel technologies might also grow intensively. These expansion...
Persistent link: https://www.econbiz.de/10010807746
and added. The future depletion degree of mineral reserves has been predicted with the help of five different scenarios …
Persistent link: https://www.econbiz.de/10010811088
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