Design and investigation of a partial admission radial 2.5‐kW organic Rankine cycle micro‐turbine

R Rzadkowski, G Zywica… - … Journal of Energy …, 2020 - Wiley Online Library
In recent years, organic Rankine cycle (ORC) micro‐turbine distributed energy systems have
become increasingly popular. Design methods for this type of fluid‐flow machinery are still …

The impact of changes in the geometry of a radial microturbine stage on the efficiency of the micro CHP plant based on ORC

TZ Kaczmarczyk, G Żywica, E Ihnatowicz - Energy, 2017 - Elsevier
The overall efficiency of ORC systems depends on a number of factors, but it goes without
saying that the efficiency of the expansion device is one of the most important ones. The …

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 …

Experimental research on scroll expanders operating in parallel in an organic Rankine cycle system with a biomass boiler

TZ Kaczmarczyk, G Żywica, E Ihnatowicz - Energy Conversion and …, 2020 - Elsevier
This paper presents the results related to the performance of two expanders running in
parallel in a regenerative ORC system. Scroll expanders with nominal outputs of 1 kW e …

Experimental study of a low-temperature micro-scale organic Rankine cycle system with the multi-stage radial-flow turbine for domestic applications

TZ Kaczmarczyk, G Żywica, E Ihnatowicz - Energy Conversion and …, 2019 - Elsevier
The paper presents an experimental evaluation of the efficiency of a small-scale low-
temperature organic Rankine cycle (ORC) as an mCHP (micro Combined Heat and Power) …

Flow-induced vibration of turbo-expander impellers for industrial waste heat recovery: An analysis based on two-way fluid structure interaction

Z Tong, S He, S Tong, K Chen - Sustainable Energy Technologies and …, 2024 - Elsevier
In the effort to conserve energy and reduce emissions, waste heat recovery for power
generation offers a significant advantage by enabling energy recycling. The turbo-expander …

Experimental investigation and CFD analysis of heat transfer in single phase subcooler of a small scale waste heat recovery ORC

TC Roumpedakis, S Chapaloglou, P Pallis… - Energy Procedia, 2017 - Elsevier
In the present work, a detailed investigation of the single phase heat transfer mechanism in
a novel subcooler of an experimental small scale waste heat recovery Organic Rankine …

Additively manufactured parts made of a polymer material used for the experimental verification of a component of a high-speed machine with an optimised geometry …

A Andrearczyk, B Konieczny, J Sokołowski - Polymers, 2020 - mdpi.com
This paper describes a novel method for the experimental validation of numerically
optimised turbomachinery components. In the field of additive manufacturing, numerical …

Fibre Bragg grating sensors as a measurement tool for an organic Rankine cycle micro-turbogenerator

M Mieloszyk, K Majewska, G Zywica, TZ Kaczmarczyk… - Measurement, 2020 - Elsevier
Structural health monitoring (SHM) systems are recently developed for many structures from
a variety of industrial branches: aviation, civil engineering, marine, power engineering, etc …

Influence of the applied working fluid and the arrangement of the steering edges on multi-vane expander performance in micro ORC system

J Rak, P Błasiak, P Kolasiński - Energies, 2018 - mdpi.com
Micro-power domestic organic Rankine cycle (ORC) systems are nowadays of great interest.
These systems are considered for combined heat and power (CHP) generation in domestic …