Positive displacement compressors are essential in many engineering systems, from domestic to industrial applications. Many studies have been devoted to providing more …
The aim of this paper is to facilitate the selection of the expander for a small-scale organic Rankine cycle based on an experimental comparison of a piston, a screw, a scroll and a …
A novel generalized framework is presented that can be used to simulate the quasi-steady- state performance of a wide range of positive displacement compressors and expanders …
V Lemort, A Legros - Organic rankine cycle (ORC) power systems, 2017 - Elsevier
The first part of this chapter introduces the main considerations about positive displacement expanders. The second part presents the principle of operation of major types of positive …
In this paper, the first open-source generalized simulation framework for positive displacement machines (PDSim) reported in literature is employed to model different …
X Peng, E Wang, Z Yang, Y Duan - Journal of Chemical & …, 2024 - ACS Publications
The thermodynamic performance, safety, and environmentally friendly demands of the thermodynamic cycle are driving the exploration of new working fluid mixtures. Mixtures …
X Peng, H Liu, L Xu, Z Yang, Y Duan - The Journal of Chemical …, 2022 - Elsevier
Abstract trans-1-Chloro-3, 3, 3-trifluoroprop-1-ene (R1233zd (E)) and trans-1, 1, 1, 4, 4, 4- hexafluorobut-2-ene (R1336mzz (E)) have gained increasing momentum due to their low …
A Giuffrida - Applied Thermal Engineering, 2016 - Elsevier
A semi-empirical modeling procedure for twin-screw compressor performance simulation is proposed in this paper. In detail, the compression process is split into a number of stages …
X Peng, Y Tan, L Xu, Z Yang, Y Duan - Energy, 2025 - Elsevier
The speed of sound is a key thermodynamic property widely used across various energy utilization applications. However, current universal models struggle to accurately predict the …