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Feasibility study of the modernization of Wielingen class frigates
Marchal, Jean; Hage, André; Dessart, Christophe et al.
2006
Peer reviewed
 

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Keywords :
frigates modernization; ship superstructures repair; helicopter landing
Abstract :
[en] The research group MRN04 has made a study of modernization of frigates of the Belgian Navy. The modernization includes fitting out of a landing area for an 11 tonnes helicopter, modifying the superstructure to solve the problems of cracks and reducing the radar cross section. The proposal of the group MRN04 consists of widening and stiffness the stern deck in order to permit landing of a helicopter, surrounding the existing superstructure by a new envelop having a better furtivity. The resistance of the helicopter landing area and the rigidity of the superstructure has been estimated by structural computations by finite elements method, which permits to choose the most adequate structure. Once the weight of the new elements is known, a new estimation of the weight is established. It permits to calculate the draft and the trim, and serves as the data to calculate the ship resistance. In fact, the speed of the frigate, as a crucial point, should not decrease too much. The ship resistance will be obtained by means of model tests in the towing tank in the University of Liège. The study shows the possibility to lay out a landing area for a helicopter of 11 tonnes as well as to decrease significantly the radar cross section, without severe reduction of the frigate speed.
Research center :
ANAST (Construction Navale, Fluviale et Maritime, Analyse des Systèmes de Transport)
Disciplines :
Engineering, computing & technology: Multidisciplinary, general & others
Author, co-author :
Marchal, Jean ;  Université de Liège - ULiège > Département Argenco : Secteur TLU+C > ANAST (Systèmes de transport et constructions navales)
Hage, André ;  Université de Liège - ULiège > Département Argenco : Secteur TLU+C > ANAST (Systèmes de transport et constructions navales) - Département ArGEnCo
Dessart, Christophe;  Université de Liège - ULiège > Département Argenco : Secteur TLU+C > ANAST (Systèmes de transport et constructions navales) - Département ArGEnCo
Matagne, Jérôme;  Université de Liège - ULiège > Département Argenco : Secteur TLU+C > ANAST (Systèmes de transport et constructions navales) - Département ArGEnCo
Language :
English
Title :
Feasibility study of the modernization of Wielingen class frigates
Alternative titles :
[fr] Etude de faisabilité de la modernisation des frégates classe Wielingen
Publication date :
25 September 2006
Audience :
International
Peer reviewed :
Peer reviewed
Funders :
Force Navale Belge
Available on ORBi :
since 10 August 2009

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