Performance prediction method for ducted medium loaded horizontal axis windturbines

Politis, GK; Koras, AD

dc.contributor.author	Politis, GK	en
dc.contributor.author	Koras, AD	en
dc.date.accessioned	2014-03-01T01:43:41Z
dc.date.available	2014-03-01T01:43:41Z
dc.date.issued	1995	en
dc.identifier.issn	0309524X	en
dc.identifier.uri	https://dspace.lib.ntua.gr/xmlui/handle/123456789/24186
dc.relation.uri	http://www.scopus.com/inward/record.url?eid=2-s2.0-0029412832&partnerID=40&md5=be4dd9c9f9243ef7e614542e2a69ded7	en
dc.subject.other	Computer software	en
dc.subject.other	Ducts	en
dc.subject.other	Iterative methods	en
dc.subject.other	Mathematical models	en
dc.subject.other	Numerical methods	en
dc.subject.other	Problem solving	en
dc.subject.other	Rotors	en
dc.subject.other	Vortex flow	en
dc.subject.other	Duct chord length	en
dc.subject.other	Duct inclination angle	en
dc.subject.other	Duct trailing vortex sheets	en
dc.subject.other	Ducted medium loaded horizontal axis wind turbines	en
dc.subject.other	Lifting line theory	en
dc.subject.other	Lifting surface theory	en
dc.subject.other	Rotor trailing vortex sheets	en
dc.subject.other	Tip clearance	en
dc.subject.other	Wind turbines	en
dc.subject.other	Ducted	en
dc.subject.other	Performance Prediction	en
dc.subject.other	Wind Turbines-Horizontal Axis	en
dc.title	Performance prediction method for ducted medium loaded horizontal axis windturbines	en
heal.type	journalArticle	en
heal.publicationDate	1995	en
heal.abstract	The `performance problem' of a ducted wind rotor has been solved using a combination of lifting line theory for rotor modeling, with lifting surface theory for duct modeling. The problem is implicitly nonlinear due to the existence of duct and rotor trailing vortex sheets with initially unknown geometries. For the solution of this nonlinear problem an iterative numerical scheme has been invented, which converges rapidly to the required solution. The developed computer code has been applied to a number of different duct-rotor geometries. Results, showing the effect of duct section, duct chord length, duct inclination angle and tip clearance on the system performance, have been presented.	en
heal.publisher	Multi-Science Publishing Co, Ltd, Brentwood, United Kingdom	en
heal.journalName	Wind Engineering	en
dc.identifier.volume	19	en
dc.identifier.issue	5	en
dc.identifier.spage	273	en
dc.identifier.epage	288	en