OCEAN THERMAL ENEPGy CoNVE RSIONG
(oTEC
      Introdcion
      Ocean                                      OTEC
       Tiael            wave
       OCean    Cever           abal
 Aace a ex keniive in Eropicalaonea
                         opjcal aone
  Not o He lun       ad'aion
  abor bed                 ea wae
       lanm water low de niy due bo hih
            n ocean'A ndoa ce tloW
                               lowA trow
 Lxopicato wadi                 polel.
   Cald        wakr ( high       anity due to (ow
  Rp) Cigculae ot ocean bottom                           xom
 pe leto txoPica.
    In tropical
 at     Auntace
                        dipth
                    itemain
                                         1000    m wheea
                                         alont Contat
 at       asanound
  Working P'aincile o oTEC                             M
                    teupesature          itteence betweern
wter at He bottow OAcawate at
He tor'"
  e upemalee ditteece Canbe wed
     Opexate heat engine
      mort
 Clooshed
                          Kadiao
                                                bein
PMici   between                hot e     Cold   wa
 iA PreNeut d
                                                Source
     Condene
     by dTurhineerhdut
                    i
                              bine       ax        the diive            Hau
to         ped          pu
                         uidiA                werking          Fisat                )+
       Cycle Panins
 Ceawate                                                       seasaten
                                                                              APM
                 Condeies
                                     Bvaporraor
or
       Turbit
eteen_larce
   ld co E                                        enginea              Niat
le                                     Reuial
                       Link
                                               act laex         Cold
) planta which employ Carnot-                       ype
                                    Power       betweRn
 OTECplautA.
  CoUnot
                             rout
                             Taothermal
                                Expevon
                                        2
           Aoiaatic
           Compraionos                      AdiabaHe
                      AL
                                             exparon
                                            2
                           Volue
                                        in
  TAo thoal eceaion undin heat                    lpQ,
  Aoliabaic expamio aecopained
dall in
 Iio thowal Cowpriion a               erhaued
 Adiahatic Couprei              ac(owpajnd
Ineseaue
Tuwo
       clad Cycle (AndoraonCyele)
       0pen cycle (claude cycle)
           cloned         Cycle 6s) Andaon Cycle a
                     OTEC Cycle
                       secondoud Vapouurne       Genetor
                                     "TUsbineL
            wwwwww                               S)ace
                                                     Condonen
wast
Swtace
wbe                   Boilen
                                 Pum
                     seconalay                       -deep
         Srjace
          water        luid                            Walen
         dchare
         0TEc Concept wa       propond by Banjot
         cycle         dovelaped by Andoruon in
         CuUeut ly      clond          ankine Cycle ia
    uedmonHy                     e
  iluida like amnonia                      propare
    tseon R12,-2) ete
         aonía-333uc
           opane
                               - ab.3C
        cold      water     brouht up         om oce an
       depthAiA             ed dox exacking He heat
      fn       ondnen
      working
       Ke   CoponetA )eraporatosa                     (o
       Condlen             Called     au tHeat escchangenu
        ala               ace        watea     ed
      eVapoYate       low boiling poiut
     luid
       Yapour lowA HHuough te    He Lusbine
              Gieneotor
             Cooled     Condene d by Cold coae
                        Condened
      puedrom ocean depHh£
                      o hect erchang
         regu red Lo
      amouutAto be    nee                     Cixcelated
()    OREN     OTEC       Cycle (o     claudo Cycle
       adorking
      was       wat         o        oceaneace
     aduitted   Haroug h deaeator" o He
       tlauh eva po atoz ymaiutained Lunde
     hig h Naccew
     cee                  ro tEling etect
 RaininquwoUTewlenix diachanjed
bacs-o     at high dapth.
Throttin tect   when tHuia paes
Haouh
 Caure
         a
         a naUow Conatri'c Eion
          decreae in
i v olume
  liiting      luid    locw by
                            bg jut patially
 clenig      Hue   valve
S Deaesato         sewoV     Hhdiolved
non-condnae
beforapplied to evapoae.
 louprelwe Atea             havin    ve
hiph
us bine
        peciie        Nolune i      upplied in
         whene i           erpandl  )mechamal
powex doreloped i           Converhd nto
elecicpowex
        powtr by             Gaennao
dirchanged ino direct Coutact ype
Condeen           ymireA with cold
wale dawnyou Ocean at a de pth
                                          oCe ar
oldwaten ane
         aue dichenged               into t e
 cean
                          pum?r
                          SNon-condavatt
                Deatato
                                                       senenaty
                                        Turbine
                      etluh                      echautAeam
                          eyapornoY                      Direct
                                                          Coutaet
                                                        CandemeY
                     woter
    Auntace
                                      Conclomate       Cold we
                                       O Cean            cean
                                                       daptn
     clean tos       od enengy            Conveu'on
2Doel not         oCCupyland           aUw
    NO                                          wied
u             OUce
    poweraluoatady                    Coub'inuo
    Kenewable         polletion          ree
    Dawing a da          cold eaten0
                      He"6eunin
     Dad vautae o! oTEC plauta
       Capital invetment ia Vey hi?h
                               power planta
      Cometruction o tloabing pooe
        oitticut                       about
     Converaion eticiency iA ve low
     3-4        ) dee ko
                      to  mal tep diterence
                          mall
     betwe en                           wter
     plaut Aiae i       limited        o 100Mwatt
                               Copone ute.
     30       powey    enerated ) ised toY alaten
     Pumpin           AholdwiHhtand            He
6
                       ea     water,   hurYicaea
     Cssonq atoxe- aogddt)               debtia tiahen
                 Corro NiVe    atmopkonl wworleing
    Applicetio
     Cheical tre atmeut plant
     Deep cold water cau be wed                     oy
3   Cocling
     Aqa         bune ( hreeding       aiigg haivatiog
                                               maiculfe
    (oullivahion o          manine organ'am         tor
    Deep oceaColdiwtet                         ch
    nutiet
    Co Sonenation o4
      OTECPlantin             Hhe       World
      Hawa
    olp-Sokh
    oldet 1414, cloAcd cycle lockho ed          Hiuile
     eApace Co
     Japon Naury
    olp
     n 1182 by Toyo electie Powx LetVic&A
      Cowmpa
      Hawai
    o-1M
    lard baued plawt, open cycle bluw 1223-?8
     bylLc sNELHA
      JapanOKir
            Okina     wa
     Op-cok
    land boued     in 2013 by Xeneya IHT
    Hawaii                                 M
htwworking
     woxKing
    eneg
               withn UNa            Dapantmt a
               lokheed mantininneibed           ic millh
     India     Taticorio Sout Idia
    Hoaking cled ype ay Natioualiti fute
    of Gcea Tech noloy bt clad d
                 in         Cold uweu
OSouthennChina
     O4dAhoe plant like Hawaij project
      MarhinigBelletontaine
     op -loM
     Floaing platdoyw planned to openate
      rou 20l6, DcNS xane
      Nat    kavasatti        lakahadeep
       Cience
                    Union
                  (NoES)
                                          oCea
                              miniay o e t h     technal
     ProblemA     Oocioted            wih        OTE C
1.    HiqhTaikial           Cont
       erpenive    equipet
             Tutolleio             CONt
      Localitt of psoducian
       Cooutal nationi o) e ven landlocked
      Counte hauowe iita.
 3   S l tewpenotere                  Diteence.
            ditewce                          beween
      Surtace       ceep       wate        ) 1e
talHarmgl e4tecta on            Harine lie
    PipelineA o0TEC
                 0TEC         Teache   deep
    Due   to
               lie wat     paping Aual a_uatic
  animalla      ma
                mauy be dawninto pipeu
    Iker tnel            with Nauigtioa
    OTEC ha        len2ths enormows CoutHuction
    nder tae Aunjace even Hhough i E
  Appen
  Iage ahipk               4laatiag
                         tace    aoeaound
                                             ec
  He      loabing body Cirele
                iao Turbiner oith Brpemive liguid
 " Big    kurbine d e to Preww o boiling
   Pro pone          ow
    CoNt o         rbiae i hi'gh           prohibiire
   WaVE        ENEPGyo
              ae
    Warunocem a e                  Cawed b         oante
  Ofwind                           woler
                                            Awntace
   Baad on         wind     peed e diatance ove
  which        wind inkracts wiHhwater wye
                                             Can be
          ctng dpend upon dmpliude
       wave
                                                  ) n
  kilo wat t
                                        metre legth paallel
             Wave
                       ront
                                                        wave
     wave                                      KiE(om
                    Mean      ea level)
          lave       Nlocity         d     wavelen2h
T)       wave    can          e          10 m heig ut &
     ibx aveyage
     Tkx                      wavelength Can be aboutt
      In Indion Coaut poteialoA
                        Po           wave
     ene    iA about s1SkW m
      Iadia hau Coautti    of neay 6000 Km
     alave          nengy dicen
                    ko Convent             ave eneg
     mechani cal eney
       tluctuating mec hanical eneyy ha
     to bemoo Amoo thec
                     hed ot to dai
     anenatox
     tHeasy dloating                 pe
         1tave      loat          placed on the Awtace
     D     wetn ahich             mov      u     down with
                                               watelevel
                                               4loat
 Aix pup Cau be anchoed to Aea bed
 Seyesal Aloata operated aiY pumpa Can
be wed      o   tore c)ave energyin the
Compreed aiY doxw whi'ch an be
uxed to qonnate eeci'ci    with
                            turbine Coupled
to qenenator
    Air i                        leat
                                   Prrtenmoven
                                              preut
                                            ,Com
                                        X
                        Anchey              Cqlindir
                 wave              Converio n
    deyice (ai pump)
    Advauta                 wave
                                              SoCe
2
      patlutian ree
  3 Reducing rle eroAion O o4 Coastal region.
    DO not      ee  ange land
S
                          landouea
               exracked coutinouly )
    ware a e
                       Coubinuouly dormed        hence
                  o    powey          not     yeuired
     Suitalle     in     emole ialanda, on dilling
     Plattoxwa a on AhipA              whare othen
      lten aliveiA          not    pOAAible
    Duadvauage                 wave
1
     obatruct
      Znatallaihipping rattic
2
3
     Lnatallation i Coty
    epais Teplacemeut Ewuamtaince diticulE
    DiNtubance o marine l'de
    slrong wave duning  o                     dange
     Hul wave eney onveuion                   doviceA
    Nanine      sowth lie algae attecta          Fhe
      orking o wave ener4 ConNeuiOn oe vicen
    Peak Rowes    availoen open Aea )
               N diicult to Conutruct, opevate
    and   mainaln        Conveion       evice    au
     Lllau      Yanuit     powLy      toWhore