R o b oti c t e c h n ol o g y ai ms t o r e v ol uti o nis e h ull m ai nt e n a n c e


J ot u n h as l a u n c h e d its H ull S k ati n g S ol uti o ns ( H S S), w hi c h it cl ai ms will pr o a cti v el y r e m o v e f o uli n g fr o m a s hi p’s h ull b ef or e it a ff e cts p erf or m a n c e a n d b e c o m es a bi os e c urit y pr o bl e m


A


c c o r di n g t o J ot u n, t h e H S S c o v e r s a ntif o uli n g, c o n diti o n m o nit o ri n g, i n s p e cti o n a n d


pr o a cti v e cl e a ni n g, t e c h ni c al s er vi c es, a n d p erf or m a n c e a n d s er vi c e l e v el g u ar a nt e es. H o w e v er, it is t h e s ol uti o n’s pr o a cti vit y t h at J ot u n i n di c at es will c o ntri b ut e t o r e d u c e d f u el c osts, e missi o ns a n d ris k of i n v asi v e s p e ci es tr a nsf er. Usi n g a r ef e r e n c e c a s e b a s e d o n


a 1 2 0, 0 0 0 d wt C a p e si z e b ul k c a r ri e r, tr a v elli n g i n w h at t h e c o m p a n y c o nsi d ers as ‘c h all e n gi n g c o n diti o ns’, J ot u n esti m at es t h at a ft er 6 0 m o nt hs of H S S s er vi c e a v ess el c o ul d s a v e U S $ 2, 8 3 0, 0 0 0 c o m p ar e d t o t h e m ar k et a v er a g e a n d r e d u c e C O 2


b y 1 2. 5 % ( 1 7, 6 0 0t o n n es). J ot u n s u g g ests t h at if all s hi ps o p er ati n g


i n c h all e n gi n g c o n diti o ns s wit c h e d t o its H S S, t h er e w o ul d b e at l e ast a 4 0 milli o n t o n n e r e d u cti o n of C O2


e missi o ns e a c h


y e ar d u e t o t h e i m pr o v e d e ffi ci e n c y of e a c h v ess el, wit h t h e c o m p a n y’s i nt er n al a n al ysis i n di c ati n g t h at it c ur r e ntl y h as a 2 5 % m ar k et s h ar e f or s u c h v ess els. T h e H S S’s m ai n c o m p o n e nt


is t h e


H ull S k at er, a r o b oti c t e c h n ol o g y d esi g n e d t o pr o a cti v el y cl e a n s hi ps, d e v el o p e d i n p art n ers hi p wit h K o n gs b er g. It h as b e e n d esi g n e d t o w or k wit h J ot u n’s S e a Q u a nt u m c o ati n g t o pr e- e m pti v el y r e m o v e b a ct eri a a n d bi ofil m b ef or e m a cr o-f o uli n g t a k es pl a c e, as T o m E v e ns e n, s al es dir e ct or of h ull p erf or m a n c e s ol uti o ns at J ot u n, e x pl ai ns: “ S e a Q u a nt u m S k at e is a n ultr a- pr e mi u m s elf- p olis hi n g a ntif o uli n g w hi c h h as b e e n d e v el o p e d t o w or k i n p erf e ct h ar m o n y wit h t h e J ot u n H ull S k at er. It d eri v es fr o m t h e s a m e ‘f a mil y’ as S e a Q u a nt u m X 2 0 0 a n d is b as e d o n a n i n h o us e d e v el o p e d sil yl m et h a cr yl at e bi n d er t e c h n ol o g y.” M a g n eti c w h e els, e a c h e q ui p p e d wit h


el e ctri c m ot ors f or pr o p ulsi o n a n d st e eri n g, h ol d t h e d e vi c e t o t h e s hi p’s h ull. A 9 0 0 m m wi d e, 2 2 6 m m di a m et er m ot oris e d br us h o n t h e d e vi c e’s f r o nt cl e a ns wit h u p t o


T h e N a v al Ar c hit e ct J u n e 2 0 2 0


H ull S k at er, t h e m ai n c o m p o n e nt of J ot u n’ s H S S, pr o a cti v el y cl e a n s a v e s s el’ s h ull


p r o a cti v e cl e a ni n g w hi c h w o ul d b e c o n d u ct e d at a r at e of a b o ut 1, 5 0 0 m 2


/h.


Gi v e n pr o a cti v e cl e a ni n g, t h e ar e a t o b e cl e a n e d e a c h ti m e will b e t y pi c all y li mit e d.” K o n gs b er g, S e m c o n, D N V G L, Tel e n or


e missi o ns


4 5 0 W p o w er a n d 2 2 0r p m s p e e d, wit h o ut d a m a gi n g or c orr o di n g t h e h ull c o ati n g. T h e H ull S k at er’s p o w er d eri v es f r o m lit hi u m b att er y p a c ks wit h u p t o 4 k W h c a p a cit y a n d o nl y mi n or d o w nti m e as it c a n r e c h ar g e wit hi n u p t o t w o h o urs. “ T h e p o w e r c o n s u m pti o n d u ri n g


o p er ati o ns is a f u n cti o n of t h e s p e e d t h e H ull S k at er o p er at es i n, t h e r ot ati o n al s p e e d of t h e br us h, l e v el of c urr e nts a n d s e a w at er t e m p er at ur e i n a d diti o n t o a f e w a d diti o n al i n fl u e n ci n g as p e cts. All e x p eri e n c e fr o m li v e t esti n g, w hi c h ki c k e d- o ff mi d- 2 0 1 7, i n di c at es w e h a v e s u ffi ci e nt b att er y c a p a cit y f or t y pi c al missi o ns,” s a ys E v e ns e n. C o n n e ct e d t o t h e o p e r at or c o nt r ol


c e nt r e b y a m e c h a ni c all y d u r a bl e, p ol y ur et h a n e t et h er ( a n u m bili c al c a bl e), t h e H ull S k at er c a n b e h a n dl e d r e m ot el y usi n g a gl o b al 4 G n et w or k. A s eri es of i n- b uilt c a m er as a n d s e ns ors pr o vi d e d at a f e e d b a c k, w hi c h assists wit h n a vi g ati o n a n d d o c u m e nts f o uli n g o n t h e h ull. H e a d ds: “It’s al w a ys k e pt o n b o ar d t h e v ess el a n d w e o p e r at e t h e H ull S k at e r u si n g tr ai n e d, J ot u n- e m pl o y e d S k at e O p er at ors fr o m a r e m ot e o p er ati n g c e nt er.” A d diti o n all y, H ull S k at er c a n c o m pl et e


t h e i ns p e cti o n a n d cl e a ni n g of a s hi p’s h ull i n b et w e e n t w o t o ei g ht h o urs, d e p e n di n g o n t h e v ess el’s si z e a n d c o n diti o n. E v e ns e n el a b or at es: “ Th e i ns p e cti o n ti m e is ar o u n d t w o h o u rs p er 1 0, 0 0 0 m², f oll o w e d b y


a n d s hi p pi n g p art n ers s u c h as Wall e ni us Wil h el ms e n, B er g e B ul k a n d M a ers k, h a v e all b e e n i n v ol v e d i n cr e ati n g H S S. Si n c e its l a u n c h i n M ar c h, J ot u n h as r e c ei v e d e n q uiri es f r o m all s e g m e nts wit hi n t h e m a riti m e


i n d u st r y. “ T h e pr oj e ct h a s


e nt er e d a d e v el o p m e nt st a g e k n o w n as ‘t h e fi n al v erifi c ati o n st a g e’ w h er e w e i nt er a ct wit h c ar ef ull y s el e ct e d c ust o m ers, u n d er c o m m er ci al t er ms, a n d i n gr o wi n g n u m b e rs r oll o ut u nit s a n d c o n d u ct e xt e nsi v e t e c h ni c al v eri fi c ati o ns,” h e a d ds. T h e H ull S k at e r t e c h n ol o g y h a s


u n d er g o n e a n e xt e nsi v e d e v el o p m e nt al pr o c ess t o r e a c h its fi n al v eri fi c ati o n st a g e a n d f a c e d c h all e n g es d uri n g its t w o- y e ar tri al p eri o d o n Wall e ni us Wil h el ms e n’s Tali s m a n . “ A n y li v e t esti n g of s o p histi c at e d t e c h n ol o g y will dis cl os e a c ert ai n d e gr e e of c h all e n g es. We u n c o v er e d a r a n g e of c h all e n g es, ar e as of i m pr o v e m e nt, c h a n g es i n c o n fi g ur ati o n, et c. M u c h li k e m aj or c ar m a n uf a ct ur ers str ess t est t h eir v e hi cl es i n arti c cli m at es w e t o o h a d t o t est o ur H ull S k at er u n d er c o n diti o ns m at c hi n g t h e e n vir o n m e nt it w o ul d b e o p er ati n g u n d er,” n ot es E v e ns e n. I nt er est e d p arti es c a n e x p e ct J ot u n t o


o w n, o p er at e a n d s er vi c e t h e H ull S k at er t hr o u g h K o n gs b er g M ariti m e’s n et w or k, E v e ns e n a d ds: “ L e asi n g t h e H ull S k at er is n ot a n o pti o n as t h e s ol uti o n is b as e d o n c o m bi ni n g hi g h p e rf or m a n c e c o ati n g, hi g h- e n d t e c h ni c al s e r vi c e, pr o a cti v e c o n diti o n m o nit ori n g as w ell as i ns p e cti o n a n d pr o a cti v e cl e a ni n g. N A


3 1


F e at ur e 4


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