WASPP: WIND ASSISTED SHIP PERFORMANCE PREDICTION B Howe', Prof. O - - PowerPoint PPT Presentation
WASPP: WIND ASSISTED SHIP PERFORMANCE PREDICTION B Howe', Prof. O Turan & Prof. AH Day University of Strathclyde The Department of Naval Architecture, Ocean and Marine Engineering, University of Strathclyde, 100 Montrose Street, Glasgow G4
parameters at each condition
in Sc
– Holtrop 1984 – Holtrop & Mennen 1982 – Resistance curve input
– Modified Kwons Method - Lu 2014 – Resistance polar input
– Blendermann 1996 – Fujiwara 2006
– Approximation based on changing wetted surface area
– Journee & Clarke 2005 – Fujiwara 2006 – Shentzle 1985, Kuttenkueler 2007
– Assumed NACA 0018 section – Fujiwara et al 2005
– Wageningen B-series
principle methods for initial sizing of sailplans.
– Stability at large heel angles – Sail Area/Displacement and Sail Area/Wetted Surface Area.
yachts >50m
1000 2000 3000 4000 5000 6000 7000 8000 9000 50 100 150 200 Sail Area LOA
(for ~180m Bulk Carrier)
200 400 600 800 1000 1200 100 200 300 400 Total Area Length
(for ~180m Bulk Carrier)
2000 4000 6000 8000 10000 12000 14000 16000 100 200 300 400 Sail Area LOA
– Parametric figure-8 flightpath (Dadd 2012)
(for ~180m Bulk Carrier)
200 400 600 800 1000 1200 1400 1600 100 200 300 400 Total Area LOA
either the popular
VBA)
– Evaluates performance across many voyages – Multiple Departure dates / Weather conditions – Multiple Routes
– Evaluates performance across many voyages – Multiple Departure dates / Weather conditions – Multiple Routes