Method for the calculation of the tip clearance flow effects in axial flow compressors

Nikolos, IK; Douvikas, DI; Papailiou, KD

dc.contributor.author	Nikolos, IK	en
dc.contributor.author	Douvikas, DI	en
dc.contributor.author	Papailiou, KD	en
dc.date.accessioned	2014-03-01T02:48:11Z
dc.date.available	2014-03-01T02:48:11Z
dc.date.issued	1993	en
dc.identifier.issn	04021215	en
dc.identifier.uri	https://dspace.lib.ntua.gr/xmlui/handle/123456789/33616
dc.relation.uri	http://www.scopus.com/inward/record.url?eid=2-s2.0-0027152790&partnerID=40&md5=b38ce6c4d463f68ac69ff8ed025e0c1d	en
dc.subject.other	Axial flow turbomachinery	en
dc.subject.other	Mathematical models	en
dc.subject.other	Vortex flow	en
dc.subject.other	Leakage vortex	en
dc.subject.other	Tip clearance calculation	en
dc.subject.other	Tip clearance flow effects	en
dc.subject.other	Vorticity distribution diffusion model	en
dc.subject.other	Compressors	en
dc.title	Method for the calculation of the tip clearance flow effects in axial flow compressors	en
heal.type	conferenceItem	en
heal.publicationDate	1993	en
heal.abstract	Theoretical models for the investigation of the phenomena connected with the tip clearance are presented. The mass flow rate through the gap, the formation and evolution of the leakage vortex and the losses occurring inside and downstream of the gap are considered. Firstly, a model was developed for the description of the flow through the gap, which uses different simple velocity profiles at the gap exit. The model recognizes the basic flow characteristics inside the gap. A new method is proposed for the calculation of the shed vorticity and the formation of the leakage vortex. The moment of momentum equation is used along with the conservation of mass, in order to provide the circulation of the leakage vortex.	en
heal.publisher	Publ by ASME, New York, NY, United States	en
heal.journalName	American Society of Mechanical Engineers (Paper)	en