Multi-mode and exergoeconomic analysis of a novel combined cooling, heating, and power system applied in the geothermal field

S Wang, C Liu, J Tang, T Xiao, E Huo… - Energy Conversion and …, 2023 - Elsevier
The exploitation and utilization of geothermal resources contribute to alleviating energy
crisis and reducing environmental pollution caused by the use of fossil fuels. The energy …

Techno-economic evaluation of combined cycle gas turbine and a diabatic compressed air energy storage integration concept

S Kruk-Gotzman, P Ziółkowski, I Iliev, GP Negreanu… - Energy, 2023 - Elsevier
More and more operational flexibility is required from conventional power plants due to the
increasing share of weather-dependent renewable energy sources (RES) generation in the …

[HTML][HTML] Review of Methods for Diagnosing the Degradation Process in Power Units Cooperating with Renewable Energy Sources Using Artificial Intelligence

P Ziółkowski, M Drosińska-Komor, J Głuch, Ł Breńkacz - Energies, 2023 - mdpi.com
This work is based on a literature review (191). It mainly refers to two diagnostic methods
based on artificial intelligence. This review presents new possibilities for using genetic …

[HTML][HTML] A review on the preliminary design of axial and radial turbines for small-scale organic Rankine cycle

E Wang, N Peng - Energies, 2023 - mdpi.com
Organic Rankine cycle (ORC) is an effective technology to harness low-grade energy.
Turbine, as a key component of ORC, takes advantages of its high efficiency and compact …

A hybrid approach to optimization of radial inflow turbine with principal component analysis

Ł Witanowski, P Ziółkowski, P Klonowicz, P Lampart - Energy, 2023 - Elsevier
Energy conversion efficiency is one of the most important features of power systems as it
greatly influences the economic balance. The efficiency can be increased in many ways …

Optimal coupling design for organic Rankine cycle and radial turbine rotor using CFD modeling, machine learning and genetic algorithm

Z Yu, C Wang, F Rong, W Liang - Energy Conversion and Management, 2023 - Elsevier
The organic Rankine cycle (ORC) as a potential technology can be used to recover low-
grade waste heat. This study provides a rapid and systematic methodology to design ORC …

Multi-objective optimization of the ORC axial turbine for a waste heat recovery system working in two modes: cogeneration and condensation

Ł Witanowski, P Klonowicz, P Lampart, P Ziółkowski - Energy, 2023 - Elsevier
Due to the demand of the district heating network and electric power grid ORC turbines can
operate in the condensation and cogeneration modes. This approach requires the design of …

[HTML][HTML] Different design aspects of an Organic Rankine Cycle turbine for electricity production using a geothermal binary power plant

P Ziółkowski, R Hyrzyński, M Lemański… - Energy Conversion and …, 2021 - Elsevier
In recent years, pressure has been growing to increase the share of renewable energy
sources in electricity generation, which may offer opportunities for the development of …

Integrated graph deep learning framework for flow field reconstruction and performance prediction of turbomachinery

J Li, T Liu, Y Wang, Y Xie - Energy, 2022 - Elsevier
The performance and reliability of turbomachinery directly affect the efficiency and safety of
energy conversion systems. A dual graph neural network (DGNN) for turbomachinery flow …

Multi-objective optimization of an ORC power plant using one-dimensional design of a radial-inflow turbine with backswept rotor blades

M Jankowski, P Klonowicz, A Borsukiewicz - Energy, 2021 - Elsevier
Organic Rankine cycle (ORC) power plants are a promising technology for converting low
and medium temperature energy sources into electricity. In order to fully exploit the potential …