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ISSN オンライン: 2688-7231

ISBN 印刷: 978-1-56700-497-7 (Flash Drive)

ISBN オンライン: 978-1-56700-496-0

Proceedings of the 25th National and 3rd International ISHMT-ASTFE Heat and Mass Transfer Conference (IHMTC-2019)
December, 28-31, 2019, IIT Roorkee, Roorkee, India

Entropy Generation in a Viscoelastic Fluid Squeezed and Extruded Between Two Parallel Plates

Get access DOI: 10.1615/IHMTC-2019.980
pages 581-585

要約

There are several engineering devices where simultaneous squeezing and extrusion of viscoelastic fluids take place. Thermodynamic analysis of these phenomena are important from the context of designing of these devices as these involve generation of several irreversibilities. In the present theoretical investigation, we extensively analyse the entropy generation characteristics of such devices through Oldroyd-B model. We represent the combined effects of fluid rheology, and squeezing-extrusion mechanism on the entropy generation characteristics. The thermodynamics performances of these engineering devices with applications having simultaneous squeezing and extrusion of viscoelastic fluid can be enhanced through process parameter optimization using our study.
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