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SHIP

EFFICIENCYTHE GUIDEA comprehensive guide to shipeco-effeciency technologies

and measures

www.fathomshipping.com

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fathom marine | energy | environment

The shipping industryfaces a new challenge

…efciency.

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THE CONTENTSwww.fathomshipping.com

The contents

5 — 6

1. Ship design

1.1 Operations

1.1.1 Sh ip si ze

1.1.2 Optimisationofballastandtrim

1.2 Technology

1.2.1 Optimisationhulldimensions

 New builds design

Aft waterline extension retrot (ducktail)

1.2.2 Optimisationofhullopenings

 Low prole hull openings (new build)

Grids (retrot)

Scallops

Covering hull openings (r)

1.2.3 Shaftlinearrangement

1.2 .4 Bulbousbow

1.2.5 Optimisationpropeller/hullinterface

 Interceptor trim plate or trim wedge

Skeg shape – trailing edge

New build hull-propeller optimisation

1.2.6 Lightweightconstruction

 High tensile steel

Carbon breAluminium can be used for the

superstructure or the entire vessel

in specialised applications

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THE TECHNOLOGIESwww.fathomshipping.com

Optimisation of ballast and trim

Ballast, cargo and bunker distribution and therelationship between these are fundamentalto giving the modern ship its optimal position

in the water – a crucial consideration inoptimising fuel eciency.

Optimalpositioninthewatercantranslateto

reducedresistanceandthereforebunkerfuelsavings

aretheretobegained.Thereareamyriadoffactors

thatcontributetowardstheoptimalpositioningof

avessel;includingvesseltypeandsize,designand

geometry,speedandweatherconditions.

Inordertocomputetheeffectofthesecomplex

variablesanumberofsoftwarepackagesarenow

availablethatcanperformcalculationsthatallow

countermeasurestobeassessedandimplemented

shouldtheoptimisedballastandtrimnotberealised.

Mostrecentsoftwarepackageshaverealtime

responsetovoyageconditions.

Trimoptimisationsoftwarepackagescanformpart

ofasuiteofvesselmonitoringsystemsthatarein

placeon-boardaship.Thetablebelowoutlines

theleadingcompaniesandtheirstagesofsoftware

developmentandmaturity.

Asever,itisimportanttonotethatthebunkerfuel

savingsclaimsarebasedoninformationreceived

fromthecompany.Fathomrecommendsthatallship

owners,operatorsandmanagersseekclassication

societyapprovaltodeterminetheaccuracyoffuel

savingstechnology.

7 — 8

UP TO

4%FUEL SAVINGS

CHAPTER ONE | 1.1.2

Provider (product)

Decision3GreenSteam™

Eniram (DTA)

Force Technology(Seatrim)

Futureship(Eco-assistant)

Interschalt MACS-Loading Program

Technology description

Real-time

Real-time

Pre-voyage triminformation

Real-time

In dock softwarefor eective loading(not strictly trim software)

Savings

2-4%;depending onvessel type

1-6%; claimed

%;(ROI 1-6 months)

1-5%

Assists withoptimal loading

Verication

Independent vesselverification of 2.5%

-5% (container ship)*

Sea trial completed

Testimonialsavailable

Fuel savingsnot calculated

Maturity

One fitted,more orders

In service

In service

In service

4900vessels fitted

*Casestudies(CarnivalCruiseLines,HamburgSud)

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THE TECHNOLOGIESwww.fathomshipping.com 9 — 10

CHAPTER ONE | 1.1.2CHAPTER ONE | 1.1.2

Decision 3 – GreenSteam™GreenSteam™isanon-boardrangeofsensorsthat

measuretherelationshipbetweenavessel’sspeedand

energytounderstandwhenitspositioninthewateris

optimised.Thisinformationisusedtoensurethatthe

optimalsettingsofcontrolsarebeingutilisedunder

differentconditions.

GreenSteam™effectivelyreactsdynamicallyto

changesintheship’sconditionandenvironment

continuallygivingnewsettingsfortrimandpropeller

RPMthroughadatafeedsuppliedtoauserinterface

onthebridge.

Accordingtothecompany,ithasbeentestedononeNordenA/Svesselandrevealedveriedfuelsavings

of2.5%ascomparedtoeightsistervessels.

Ship types tankers;othersunknown

Fitting atsea

Fuel saving claimsofupto4%

Veried saving 2.5%

Cost unknown

Other info

IncludedinNordicCleantech50in2009.

www.decision.com

Force Technology SeatrimSeatrimiseffectivelyanextensiontoFORCE’s

morein-depthvesseltrimtestsandtrimcalculation

technologies.TheCopenhagen-basedcompany

hasdevelopedafastandefcientprocedurefor

performingtrimassignmentteststhatwillevaluate

theapproximategainsonavesselfreeofchargeprior

tostartingatrimtestassignment.

Followingthetrimtest,thisinformationisthenused

inarelativelysimplecomputerprogramthatrequires

pre-sailinginputofdraughtforwardandaftand

plannedvesselspeed.Theprogramthenadvisesabout

thetrimsituationandifthetrimisoptimised.Ifnot,

quickguidanceonwhereoptimaltrimcanbefoundisgivenandusercanusecargoorballastwatertoadapt

trimbeforeleaving.

Crucially,itdoesnotproviderealtimetrimanalysis

onceatsea.

Thecompanysaythatparticularlylargefuelsavings

canbeachievedwithvesselswithlargebulbousbows

operatingatlightloadingconditions.

Ship types nonespecied

Fitting atsea

Fuel saving claimsofupto3%+

withdatatosupport.Fathomwas

unabletoconrmveriedsavings

forallsavingsestimates

Cost freeofchargeadd-ontotrimtests

andtrimcalculationsperformed

byFORCETechnology

www.forcetechnology.com

Eniram Dynamic Trimming Assistant (DTA)TheEniramDynamicTrimmingAssistant(DTA)is

describedbythecompanyasarealtimevessel-based

decisionsupportsystemformonitoringandoptimising

thevesseltrim,whichis“easytouseandinstall”

withanintuitivegraphicaluserinterfacedesigned

especiallyforseafarers.Thevessel'soveralltrimcanbe

seenbytheuseratoneglanceandappropriateballast

adjustmentscanbemade.

HamburgSudhaverecentlytakenitupforaeetof

12vesselswiththedecisionprecededbyanintensive

trialperiodduringwhichrealsavingsof3-5%onfuel

weredemonstratedwith Aliança Maua,a5,560TEU

containershipmeasuring272mby40m.Basedon

thetrialanannualreductionincostsof$375,000

pervesselwereestimated.

Ship types Largecommercialvessels

includingcruiseships,

freightcarriersandtankers

Fitting atsea

Fuel saving 1-6%forallshiptypes

ROI Statedtobe<12months

(manycustomers<6months)

Case studies

CarnivalCruiseLines(savingof200tonnesoffuel/

$100,000pershipperyear),HamburgSud(savingof3-5%fuel/$4millionperyear,ROI<12months).

Awards

RedHerring’10nalist,SeatradeAwards’10nalist,

NordicTechTour’10 shortlisted,SeatradeInsiderCruise

Awardsshortlisted,CleantechConnect,shortlisted.

www.eniram.

Futureship Eco-AssistantEco-Assistantisasoftwareusedtodeterminethe

optimumtrimofthevesselbasedonparameters

includingspeed,displacementandwaterdepthinvariousoperatingconditions.TrimOptimization

isparticularlyeffectiveforvesselswithadiverse

operatingprole(suchasspeed,displacement).

Theeffectivenessincreaseswithcapabilitytochange

trimthroughloadorwaterballastdistribution.Italso

assessesshallowwatereffectsinordertooptimisetrim.

Ship types all

Fitting time varieswiththetype

ofservicechosen

Fuel saving Eco-Assistant:

1-2/3%Tanker,Bulker,RoRo,Ferry

2-4%Cruise,Vehicle,Container

2-5%Cargo

ROI fewmonths

Cost Eco-Assistant:from€55,000

Class Society approval

Notrequired.

Testimonials

Numerousreferenceapplicationsareavailable

forprojectsinEurope,Asia,andtheUS.

www.futureship.net

Fathom comment:Low maturity and take-up so faralthough veried savings.

Fathom comment:Relatively low cost technology with goodROI and applicable on all vessel types.

Fathom comment:Credible company specialist in complexvessel calculations and is free! Limited aspre-voyage and not real-time measures .

Fathom comment:This is a technology with steady and growingtake-up and good customer satisfaction withreal savings being achieved. Case studiesavailable that show savings examples.

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www.fathomshipping.com

Third Floor, Mayeld House,

256 Banbury Road, Oxford, OX2 7DE.T +44 () 7886 41427E info@fathomshipping.com

marine | energy | environment