Thermodynamic performance and economic feasibility of Kalina, Goswami and Organic Rankine Cycles coupled to a polygeneration plant using geothermal energy of …

VM Ambriz-Díaz, C Rubio-Maya, O Chávez… - Energy Conversion and …, 2021 - Elsevier
Low-temperature geothermal energy is an abundant and renewable resource, but with
technical and economic limitations for the generation of electricity. Currently, the …

[HTML][HTML] Progress in Carnot and Chambadal modeling of thermomechanical engine by considering entropy production and heat transfer entropy

M Feidt, M Costea - Entropy, 2019 - mdpi.com
Nowadays the importance of thermomechanical engines in recognized worldwide. Since the
industrial revolution, physicists and engineers have sought to maximize the efficiency of …

Real-time thermal modelling approach of a machine tool spindle based on bond graph method

Y Yang, Z Du, X Feng, J Yang - The international journal of advanced …, 2021 - Springer
The thermal characteristics of spindles have a significant influence on the workpiece quality.
This paper proposes a novel real-time thermal characteristic modelling approach for …

Efficiency improvement of thermal power plants through specific entropy generation

Y Haseli - Energy Conversion and Management, 2018 - Elsevier
Numerous studies have indicated that when neither the rate of heat input nor the power
output in a thermal power plant is treated as a fixed parameter, minimizing the entropy …

[HTML][HTML] Performance of universal reciprocating heat-engine cycle with variable specific heats ratio of working fluid

L Chen, Y Ge, C Liu, H Feng, G Lorenzini - Entropy, 2020 - mdpi.com
Considering the finite time characteristic, heat transfer loss, friction loss and internal
irreversibility loss, an air standard reciprocating heat-engine cycle model is founded by …

[HTML][HTML] Optimization modeling of irreversible Carnot engine from the perspective of combining finite speed and finite time analysis

M Costea, S Petrescu, M Feidt, C Dobre, B Borcila - Entropy, 2021 - mdpi.com
An irreversible Carnot cycle engine operating as a closed system is modeled using the
Direct Method and the First Law of Thermodynamics for processes with Finite Speed …

[HTML][HTML] Thermodynamic analysis of an irreversible Maisotsenko reciprocating Brayton cycle

F Zhu, L Chen, W Wang - Entropy, 2018 - mdpi.com
An irreversible Maisotsenko reciprocating Brayton cycle (MRBC) model is established using
the finite time thermodynamic (FTT) theory and taking the heat transfer loss (HTL), piston …

Specific entropy generation in a gas turbine power cycle

Y Haseli - Journal of Energy Resources Technology, 2018 - asmedigitalcollection.asme.org
Numerous studies have shown that the minimization of entropy generation does not always
lead to an optimum performance in energy conversion systems. The equivalence between …

[HTML][HTML] Interpretation of Entropy Calculations in Energy Conversion Systems

Y Haseli - Energies, 2021 - mdpi.com
Often, second law-based studies present merely entropy calculations without demonstrating
how and whether such calculations may be beneficial. Entropy generation is commonly …

Variations on the models of Carnot irreversible thermomechanical engine

M Feidt, M Costea - Journal of Non-Equilibrium Thermodynamics, 2024 - degruyter.com
The JETC Conference held in Salerno (June 12–17, 2023) was the opportunity to honor the
two centuries anniversary of the booklet publication of Sadi Carnot. The paper reports on a …