Nove tehnologije Novi solarni stup koji provodi vjetar bi mogao revolucionizirati tehnologiju energije vjetra
Nove tehnologije
| Novi solarni stup koji provodi vjetar bi mogao revolucionizirati tehnologiju energije vjetra |
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| Autor Leo Jerki? |
| Utorak, 24 Lipanj 2014 11:10 |
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Tvrkta Solar Wind Energy Inc. koja se nalazi u Marylandu, SAD-u je promijenila tradicionalni dizajn vjetroagregata postavljanjem turbina na dno cjevastog stupa koji proizvodi vlastiti vjetar tokom cijele godine. Projekt se zove Solar Wind Downdraft Tower. Stup na sredini sustava stvara vjetar u smjeru prema dolje koritenjem pumpi koje guraju vodu na vrh strukture visoke skoro 700 metara. Nakon to voda do?e na vrh se ista distribuira kao fina magla preko otvora. Magla tu isparava, te je apsorbira vru?i, suhi zrak koji se time hladi, te postaje hladniji, gu?i i tei od toplog zraka izvan stupa. Ohla?eni zrak se onda sputa kroz uplji stup uz brzinu od oko 80 km/h, te dolazi do tunela gdje se nalaze turbine koje se gibanjem zraka vrte. Glavna mana sustava je da za njegovo koritenje treba puno vode, iako hvata i recirkulira viak vode tokom proizvodnog procesa.
Solar Wind Energy tvrdi da stup moe proizvoditi elektri?nu energiju 24 sata na dan tokom godine ukoliko se nalazi u toploj, suhoj zoni iako ?e proizvodnja biti manja tokom zimskih mjeseci. A ovisno o lokaciji i vremenskim uvjetima, stupovi mogu proizvoditi dodatnu energiju pomo?u vertikalnih "vjetrulja" koje bi uhvatile prevladavaju?e vjetove na lokaciji i usmjerile ih u stup. Osim toga se u priop?enju navodi da nakon izgradnje stupovi mogu raditi konstantno bez proizvodnje uglji?nog-dioksida, potronje goriva ili otpada. Proizvodnja elektri?ne energije iz takvog stupa ovisi o lokaciji, ali prema podacima tvrtke se na lokaciji kod San Luisa, Arizoni mo?e o?ekivati proizvodnja od 1.250 MWh elektri?ne energije tokom sun?anih dana, te prosje?na dnevna proizvodnja od 435 MWh. Iako se sam koncept ?ini zanimljiv, po ovome bi se njegovo koritenje moglo isplatiti samo u regijama gdje je tokom cijele godine toplo i suho, a takvih lokacija u Hrvatskoj, a i ve?em dijelu Europe prakti?ki ni nema. ?ini se da bi ovaj koncept imao smisla samo u regijama koje imaju takvu suhu i toplu klimu kao to je SAD, dio Afrike, Australija, Bliski Istok, a u Europi moda panjolska, Portugal ili Gr?ka. Izvor: http://inhabitat.com |
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