Groove shape effects on the performance of dry gas seals in supercritical CO2 centrifugal compressors

Morteza Anbarsooz, Maryam Amiri, Department of Mechanical Engineering, Faculty of Advanced Technologies, Quchan University of Technology, Research and Development Department, Parto Sanat Pazh Company

Proceedings of the Institution of Mechanical Engineers, Part A: Journal of Power and Energy

Published online on March 11, 2026

Abstract

Proceedings of the Institution of Mechanical Engineers, Part A: Journal of Power and Energy, Ahead of Print.
Supercritical CO2(SCO2) centrifugal compressors are pivotal components in next-generation high-efficiency power cycles (e.g., Brayton cycles), enabling greater than 50% thermal efficiency and compact power block designs essential for sustainable energy ...