Detailed prediction of fluid-solid coupled phenomena of turbulent flow through reed valves
Document typeConference report
PublisherInstitute of Physics (IOP)
Rights accessOpen Access
ProjectALGORITMOS NUMERICOS AVANZADOS PARA LA MEJORA DE LA EFICIENCIA ENERGETICA EN LOS SECTORES EOLICO Y SOLAR-TERMICO: DESARROLLO%2FADAPTACION A NUEVAS ARQUITECTURAS COMPUTACIONALES (AEI-ENE2017-88697-R)
The operation of self-actuated valves in suction and discharge processes plays a crucial role in the thermal efficiency and structural reliability of hermetic reciprocating compressors. The present work provides a thorough description of an in-house numerical method based on a partitioned fluid-structure interaction algorithm intended to obtain high-fidelity numerical predictions and optimise valve system design. A large eddy simulation model is used for the turbulent flow, whereas a normal mode superposition assumption along with an impact penalty method is used for the reed. Under this framework, a detailed analysis of the coupled problem with a straight and tapered exit ports is carried out. Differences in effective flow area and pressure drop are found as a result of the port geometry, but also of the valve velocity
CitationGonzalez, I. [et al.]. Detailed prediction of fluid-solid coupled phenomena of turbulent flow through reed valves. A: International Conference on Compressors and their Systems. "IOP Conference Series: Materials Science and Engineering. Vol. 604, núm. 1". Londres: Institute of Physics (IOP), 2019, p. 1-10.