Superyacht International — January 2018

(vip2019) #1

72


technical


A sea


full of energy


The sources of marine energy
&IJSVIKIXXMRKHS[RXSHIXEMPWPIX ́WXEOIEPSSOEX[LEX ́WQIERX
[LIRXEPOMRKEFSYXWIEHIVMZIHIRIVK]-XMWGPIERIRIVK]JVSQVI-
RI[EFPIWSYVGIW8LIVIEVIWIZIVEPWSYVGIWJVSQ[LMGLXSI\XVEGX
IRIVK][EZIWERHGYVVIRXWVERO½VWXFYXEPWSXLIIRIVK][LMGLHI-
TIRHWSRXLIVQEPZEVMEXMSRERHXLISRIGSRRIGXIH[MXLXLIHIKVII
SJWEPMRMX]MRWIE[EXIV%KEMRSJXIR[LIRXEPOMRKEFSYXIRIVK]JVSQ
XLIWIE[IMRGPYHISJJWLSVI[MRHZERIWIZIRMJVIEPMWXMGEPP]WTIEOMRK
XLMWX]TISJIRIVK]MWRSXEXXVMFYXEFPIXS[EXIV


Ways to extract energy from the sea
%GGSVHMRKP] XS XLI WSYVGI SJ IRIVK] XLIVI EVI HMZIVWI [E]W SJ
GSRZIVXMRKQEVMRIIRIVK]MRXSIPIGXVMGIRIVK]&YXMRRIEVP]IZIV]GEWI
XLIQSZIQIRXERH¾S[SJ[EXIVQEWWIWEVII\TPSMXIH HMVIGX[LIR
GSRWMHIVMRK[EZIWSVGYVVIRXWSVMRHYGIH
/MRIXMGIRIVK]EWWSGMEXIH
XSQSZIQIRXMWGSRZIVXIHMRQIGLERMGEPIRIVK]F]XYVFMRIWTVSTIPPIVW
SVWMQMPEVHIZMGIWERHSRP]XLIRMRQIGLERMGEPIRIVK]XLVSYKLKIRWIXW
-R HIXEMP
ˆ %WJSV[EZIW[LSWIQSZIQIRXWEVIMRXLIQEMRZIVXMGEP
XLIW]WXIQWHITPS]IHWSJEVI\TPSMXXLIMVQSZIQIRXSVXLITSXIRXMEP
IRIVK][LMGLMWSFXEMRIH[LIRGVIEXMRKETVIZEPIRGI MIEHMJJIVIRGI
SJ LIMKLX
 FIX[IIR XVEMRW SJ [EXIV QEWWIW%GGSVHMRK XS WIZIVEP
IWXMQEXIWIRIVK]HIVMZIHJVSQ[EZIWEPSRKXLIGSEWXWSJXLI[LSPI
[SVPHGSYPHKYEVERXIIEWQYGLEW8;SJMRWXEPPIHTS[IVSVX[S
XLSYWERHQMPPMSROMPS[EXXWSV)YVSTIEPSRI[I ́HFIPSSOMRKEX
+MKE;'YVVIRXP]XLIQSWXVIGIRXIUYMTQIRXEZEMPEFPIGSYPHHIPMZIV
 SJXLMWTSXIRXMEP[IVIMXMRWXEPPIH:EPYIWHMJJIVEKVIEXHIEPJVSQ
'SYRXV]XS'SYRXV]JSVI\EQTPI7GSXPERHERH-VIPERHGSYPHHIPMZIV
/;Q OMPS[EXXWTIVQIXVISJXLIGSEWX
[LMPIJSV2SVXL;IWX
7EVHMRMEXLIIWXMQEXIMWSJ QSVII\TSWIHXSKEPIW
/;Q
ˆ
SVGYVVIRXWMRWXIEHXLIXIGLRSPSK]MWQEMRP]FEWIHSRVSXEXMRK
FPEHIW[LMGLPSSOEPSXPMOIXLISRIWHITPS]IHSRPERH-RXLMWGEWI
XLIVIEVIXLVIIIPIQIRXWXSFIGSRWMHIVIHSGIERGYVVIRXW [LIVI
[EXIV¾S[QSZIWMRSRIHMVIGXMSRSRP]
XMHEPGYVVIRXW [LIVIXLI¾S[
W[MXGLIWHMVIGXMSRIZIV]WM\LSYVW
PSGOW [LIVILIMKLXHMJJIVIRGISJ
[EXIV QEWWIW MW I\TPSMXIH F] TVIZIRXMRK [MXL PSGOW XLI REXYVEP ¾S[ SJ
[EXIVW JVSQ WIQMGPSWIH FEWMRW

ˆ 8LIVQEPIRIVK]MWSFXEMRIHJVSQXLI¾S[SFXEMRIHF]JSVGMFP]
QM\MRK[EXIVQEWWIWJIEXYVMRKZIV]HMJJIVIRX[EXIVXIQTIVEXYVIW8LMW
TLIRSQIRSRMWPMXXPIORS[RFYXMW[MHIP]YWIHEWMXJIEXYVIWKVIEX
TSXIRXMEPXSXLII\XIRXXLEX3GIER)RIVK]7]WXIQWSJXLI-RXIVREXMSREP
)RIVK] %KIRG] -)%3)7
LEZI IWXMQEXIH E TVSHYGXMZI TSXIRXMEP
[LMGL MW IUYEP XS XLI [SVPH ́W KPSFEP GSRWYQTXMSR SJ IPIGXVMGMX]
ˆ 'SRWMHIVMRKWEPMRIKVEHMIRXWMRXLIKMZIRGEWIIRIVK]MW
TVSHYGIHXLVSYKLSWQSXMG½IPHW[LMGLI\TPSMXXLIHMJJIVIRGIWMR
GLIQMGEPTSXIRXMEPHYIXSHMZIVWIPIZIPWSJWEPMRIGSRGIRXVEXMSRWXMPP
EGGSVHMRKXS-)%3)7XLITVSHYGXMZITSXIRXMEPSJXLMWXIGLRSPSK]MW
IUYEPXS8;,]IEV[LIVI8WXERHWJSVXIVE


Technologies for the extraction
of energy from the sea
3RISJXLIQSWXLMWXSVMGEPXIGLRSPSKMIWHITPS]IHXSI\TPSMXQEVMRI
IRIVK]MWXLI3;' 3WGMPPEXMRK;EXIV'SPYQR
8LMW[EWHIZIPSTIH


Waverollers are like bulkheads placed between 10 and 20
metres underwater. They produce energy as they move
thanks to surface waves.

There are dozens of vertical floating devices, where buoys,
inflated balloons go up and down as waves go by trigger-
ing off generators installed inside them.
Free download pdf