Modelling approaches of micro and small-scale organic Rankine cycle systems: A critical review

R Moradi, L Cioccolanti - Applied Thermal Engineering, 2024 - Elsevier
Organic Rankine cycle (ORC) systems are a technology capable of producing electricity and
heat from a wide range of energy sources and are particularly well-suited for medium and …

R1224yd (Z), R1233zd (E) and R1336mzz (Z) as replacements for R245fa: Experimental performance, interaction with lubricants and environmental impact

F Dawo, J Fleischmann, F Kaufmann, C Schifflechner… - Applied Energy, 2021 - Elsevier
Achieving the 2050 EU climate targets-an economy with net-zero greenhouse gas
emissions-requires a significant increase in the share of renewables in the current energy …

Experimental investigation, model validation and application of twin-screw expanders with different built-in volume ratios

F Dawo, S Eyerer, R Pili, C Wieland, H Spliethoff - Applied Energy, 2021 - Elsevier
Abstract Organic Rankine Cycles (ORC) are a promising technology to generate power from
low temperature heat sources and can therefore help transform current energy systems into …

Experimental assessment of the fluid charge distribution in an organic Rankine cycle (ORC) power system

R Dickes, O Dumont, V Lemort - Applied Thermal Engineering, 2020 - Elsevier
This paper reports on experiments aiming to understand and to characterize how the
working fluid spreads in an organic Rankine cycle (ORC) power system. To this end, a 2-kW …

Impact of the expander lubricant oil on the performance of the plate heat exchangers and the scroll expander in a micro-scale organic Rankine cycle system

R Moradi, M Villarini, E Habib, E Bocci… - Applied Thermal …, 2021 - Elsevier
Abstract Organic Rankine Cycles (ORCs) are recognized as suitable systems to convert the
thermal energy from low-grade heat sources to electricity. However, their performance and …

Comprehensive assumption-free dynamic simulation of an organic Rankine cycle using moving-boundary method

MR Kaleibar, RK Saray, M Pourgol - Energy, 2024 - Elsevier
This study implements a comprehensive dynamic simulation using a moving-boundary
method to characterize an organic Rankine cycle under assumption-free operating …

Impact of the lubricant on a modified revolving vane expander (M-RVE) in an organic Rankine cycle system

A Naseri, R Moradi, L Cioccolanti, A Subiantoro - Energies, 2023 - mdpi.com
The expansion device is the critical component of micro-to-small scale organic Rankine
cycle (ORC) systems, substantially affecting system efficiency and cost. Low isentropic …

Assumption-free modeling of a micro-scale organic Rankine cycle system based on a mass-sensitive method

R Moradi, E Habib, M Villarini, L Cioccolanti - Energy Conversion and …, 2021 - Elsevier
Organic Rankine cycle (ORC) systems are one of the most suitable technologies to produce
electricity from low-temperature sources. In this paper, the main components of a non …

Organic Rankine Cycle based waste heat recovery modeling and control of the low pressure side using direct condensation and dedicated fans

F Galuppo, T Reiche, V Lemort, P Dufour, M Nadri - Energy, 2021 - Elsevier
Organic Rankine cycle based waste heat recovery has been studied over the past decade
as a potential solution to reduce fuel consumption and fulfill the requirements of upcoming …

Experimentally-validated models for the off-design simulation of a medium-size solar organic Rankine cycle unit

M Petrollese, R Dickes, V Lemort - Energy Conversion and Management, 2020 - Elsevier
Abstract Organic Rankine Cycle is an efficient and reliable technology for the thermal-to-
electricity conversion of low-grade heat sources but the variability in boundary conditions …