An overview on subcritical organic Rankine cycle configurations with pure organic fluids

JF Li, H Guo, B Lei, YT Wu, F Ye… - International Journal of …, 2021 - Wiley Online Library
Improving energy utilization efficiency and exploiting renewable energy source have
become more crucial with the growing concern on energy crisis and environmental problem …

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 …

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 …

Parametric analysis and multi-objective optimization of a combined Organic Rankine Cycle and Vapor Compression Cycle

R Zhar, A Allouhi, M Ghodbane, A Jamil… - … Energy Technologies and …, 2021 - Elsevier
This paper aims to provide a performance examination of combining power and refrigeration
system, which consists of an Organic Rankine Cycle driven Vapor Compression Cycle from …

[HTML][HTML] Experimental study of a 1 kW high-speed ORC microturbogenerator under partial load

TZ Kaczmarczyk, G Żywica - Energy Conversion and Management, 2022 - Elsevier
This paper discusses the results of an experimental study carried out on a 1 kW e high-
speed ORC (organic Rankine cycle) microturbogenerator below nominal operating …

Impact of rotor geometry optimization on the off-design ORC turbine performance

Ł Witanowski, P Klonowicz, P Lampart, P Klimaszewski… - Energy, 2023 - Elsevier
The paper describes the method of CFD based Nelder-Mead optimization of a 10 kW single-
stage axial turbine operating in an ORC system working on R7100. The total-to-static …

[HTML][HTML] Experimental research of a small biomass organic Rankine cycle plant with multiple scroll expanders intended for domestic use

TZ Kaczmarczyk - Energy Conversion and management, 2021 - Elsevier
This paper presents the results of the experimental research carried out on an organic
Rankine cycle (ORC) system with two volumetric expanders running in serial and parallel …

Operation strategy of a multi-mode Organic Rankine cycle system for waste heat recovery from engine cooling water

X Zhang, X Wang, J Cai, R Wang, X Bian, Z He, H Tian… - Energy, 2023 - Elsevier
Engine cooling water contains a large amount of waste heat. Waste heat recovery (WHR) is
a necessary way to improve the efficiency of engine. But too high or too low cooling water …

[HTML][HTML] Performance prediction and regression analysis of scroll expander based on response surface methodology

K Zhen, L Shi, Y Zhang, B Peng - Case Studies in Thermal Engineering, 2024 - Elsevier
Abstract The Organic Rankine Cycle (ORC) plays a pivotal role in the domain of renewable
energy, adeptly harnessing thermal energy from sources such as solar and geothermal to …

Experimental research of a micropower volumetric expander for domestic applications at constant electrical load

TZ Kaczmarczyk, G Żywica - Sustainable Energy Technologies and …, 2022 - Elsevier
This paper presents the results of experimental research carried out on a scroll expander
with a rated power of 1 kW e which operates in an ORC system. The low-boiling liquid …