Portugal e a Energia (4.º documento IPES)

Page 1

IWTEpS opinião

Portugal e a Energia (4.º documento IPES) )0)86-'-(%() 730%6 8f61-'% 78) 91% %4378% +%2,%(36% 4%6% 43689+%0#

4VSHY^MV IPIXVMGMHEHI GSQ IRIVKME WSPEV TSHI WIV GSRWIKYMHS TSV HYEW ZMEW TVMRGMTEMW E GSRZIVWnS HMVIXE TVSGIWWS UYlRXMGS HE VEHMEpnS WSPEV I\IQTPS S JSXSZSPXEMGS SY E GSRZIVWnS TIPE ZME XqVQMGE IQ UYI YQ JPYMHS EUYIGMHS TIPE VEHMEpnS WSPEV q E JSRXI UYIRXI HI YQ TVSGIWWS XIVQSHMRlQMGS HI GSRZIVWnS 78)

Manuel Collares Pereira GSPPEVIWTIVIMVE$YIZSVE TX

2IWXI XI\XS ZEQSW JEPEV HIWXE PXMQE JSVQE HI GSRZIVWnS XEQFqQ HIWMKREHE TSV '74

Concentrated Solar Power IQ EPYWnS ES JEGXS HEW XIQTIVEXYVEW IPIZEHEW RIGIWWjVMEW E YQE GSRZIVWnS XIVQSHMRlQMGE QEMW IJMGMIRXI I\MKMVIQ HS PEHS HE GETXEpnS HE VEHME pnS WSPEV YQE GSRGIRXVEpnS IPIZEHE HE QIWQE % VE^nS q E WIKYMRXI WI WMQTPIWQIRXI GETXEVQSW E VEHMEpnS WSPEV WIQ E GSRGIRXVEVQSW HMJMGMPQIRXI YPXVETEWWEQSW XIQTIVEXY VEW HE SVHIQ HSW ' S UYI RYRGE RSW TVSTSVGMSREVME YQ VIRHMQIRXS XIVQSHMRl QMGS WYJMGMIRXIQIRXI IPIZEHS TEVE E TVSHYpnS HI IPIXVMGMHEHI *IPM^QIRXI UYI EWWMQ q GEWS GSRXVjVMS RnS TSHIVuEQSW ERHEV TIPE TVEME HIWGEPpSW RS ZIVnS SY XSGEV WIQ TVSXI pnS SW SFNIXSW UYI WI IRGSRXVEWWIQ I\TSWXSW ES WSP 1EW ES GSRGIRXVEVQSW E VEHMEpnS WSPEV WSFVI YQ EFWSVZIHSV VIGIXSV IWXEQSW E TIVQMXMV UYI WINE EFWSVZMHE TSV YQ GSVTS GYNE WYTIVJuGMI q QIRSV HS UYI EUYIPE UYI YWjQSW GSQS EFIVXYVE GETXEHSVE HE VEHME pnS MRGMHIRXI f QIRSV TVIGMWEQIRXI RE TVSTSVpnS HEW VIWTIXMZEW jVIEW TVSTSVpnS E UYI WI GLEQE TVIGMWEQIRXI ±concentração²

jVIE HI GETXEpnS jVIE HI EFWSVpnS ! GSR GIRXVEpnS 3VE EW TIVHEW HI IRIVKME HMXEW XqVQMGEW UYI WnS VIWTSRWjZIMW TIPE XIQTI VEXYVE E UYI WI GSRWIKYI GSPSGEV YQ EFWSVZIHSV WnS TVSTSVGMSREMW k jVIE HI EFWSVpnS MWXS q EKSVE WYFWXERGMEPQIRXI QIRSVIW TSV GEYWE HE GSRGIRXVEpnS f E I\TIVMsRGME UYI XSHSW XIQSW UYERHS MPYQMREQSW YQE JSPLE HI TETIP GSQ S WSP EXVEZqW HI YQE PIRXI YQ GSRGIRXVEHSV TSHIVSWS VETMHEQIRXI EXMRKMRHS XIQTIVEXYVEW UYI EGEFEQ TSV TVSZS GEV E UYIMQE HS TETIP UYERHS IWXI ERXIW WMQTPIWQIRXI I\TSWXS ES WSP RYRGE EVHIVME 3 GMGPS XIVQSHMRlQMGS HI GSRZIVWnS TSHI WIV HI ZjVMSW XMTSW HITIRHIRHS HEW XIQTI VEXYVEW I HS JPYMHS HI GSRZIVWnS YXMPM^EHS 3 I\IQTPS QEMW GSQYQ LSNI q S HE TVSHYpnS HI ZETSV GSQ YQ JPYMHS MRXIVQqHMS HI I\XVEpnS HI GEPSV SY HMVIXEQIRXI RS EFWSVZI HSV HS GSRGIRXVEHSV UYI I\TERHMHS RYQE XYVFMRE QSZMQIRXE YQ KIVEHSV IPqXVMGS I TVSHY^ IPIXVMGMHEHI )\MWXIQ ZjVMEW XIGRSPSKMEW HI GSRGIRXVEpnS WIRHS EW XVsW TVMRGMTEMW EW UYI WI ETVIWIRXEQ RE *MKYVE IQ UYI zXMGEW GSQ GEVEXIVuWXMGEW HMWXMRXEW 'IRXVEP HI 8SVVI *VIWRIP 0MRIEV 'MPMRHVS 4EVEFzPMGS GSRGIRXVEQ E VEHMEpnS WSPEV WSFVI EFWSVZIHS VIW UYI TSHIQ WIV EWWIQFPEKIRW HI XYFSW HMWTSWXSW IQ PSRKEW JMPEW XSTS E XSTS GSPSGE HEW REW ^SREW JSGEMW HI PSRKSW IWTIPLSW GSQ YQE KISQIXVME HS XMTS TEVEFzPMGS SY YQ GSRNYRXS HI XYFSW GSPSGEHSW RS EPXS HI YQE XSVVI VSHIEHE HI YQ GSRNYRXS HI IWTI PLSW MRHMZMHYEPQIRXI VIJPIXMRHS E VEHMEpnS TEVE S XSTS HE XSVVI )Q XSHSW SW GEWSW IWXIW IWTIPLSW QSZIQ WI EGSQTERLERHS S QSZMQIRXS ETEVIRXI HS WSP ES PSRKS HI GEHE HME ,j YRW ERSW EXVjW EQFEW EW XIGRSPSKMEW 78) I 4: ZMRLEQ E HIWIRZSPZIV WI ES WIY VMXQS TVzTVMS RS WIRXMHS HI YQE VIHYpnS TVSKVIWWMZE HS GYWXS HS O;L TVSHY^MHS QEW GSQ YQ WYGIWWS HMJIVIRXI 3 4: WYWGIXuZIP HI WIV YWEHS IQ TVSHYpnS XSXEPQIRXI HIWGIRXVEPM^EHE SY GIRXVEPM^EHE HI IRIVKME IPqXVMGE IQ WMWXIQEW HI TIUYIRE SY HI KVERHI HMQIRWnS GSQ KVERHI ZIVWEXMPMHEHI I JEGMPMHEHI HIWIRZSPZIY WI QYMXS QEMW HITVIWWE )WXnS LSNI MRWXEPEHSW IQ

Figura 1 (i). Central de Torre – Gemasolar. Sevilha, Espanha.

4

As perdas de energia, ditas térmicas, que são responsáveis pela temperatura a que se consegue colocar um absorvedor, são proporcionais à área de absorção, isto é, agora substancialmente menores, por causa da concentração.


Turn static files into dynamic content formats.

Create a flipbook
Issuu converts static files into: digital portfolios, online yearbooks, online catalogs, digital photo albums and more. Sign up and create your flipbook.