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 …

Selecting the appropriate bearing system for the rotor requires a good knowledge of the
available solutions and the operating conditions of the machine. For newly designed …

Modelling and identification of the dynamic characteristics of foil bearings under varying
loads pose a great challenge and require the use of advanced numerical models. Although …

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 …

Developing high-speed rotating machines, such as microturbines, requires new solutions for
bearing systems. Foil bearings are one of the fastest-growing high-speed bearing …

This article provides a review of the possibility of using different types of reactors to power
ships. The analyses were carried out for three different large vessels: a container ship, a …

The article presents the results of the study conducted on a microturbogenerator with a
nominal power of 1 kW e. One of the primary objectives of the study was to determine the …

Due to ongoing research work, a prototype test rig for testing high speed motors/generators
has been developed. Its design is quite unique as the two high speed machines share a …

Machinery condition monitoring and failure analysis is an engineering problem to pay
attention to among all those being studied. Excessive vibration in a rotating system can …

The energy sector faces a pressing need for significant transformation to curb CO2
emissions. For instance, Czechia and Germany have taken steps to phase out fossil thermal …