{"id":9848,"date":"2010-10-26T14:13:46","date_gmt":"2010-10-26T11:13:46","guid":{"rendered":"http:\/\/www.fyysika.ee\/uudised\/?p=9848"},"modified":"2010-10-26T14:13:46","modified_gmt":"2010-10-26T11:13:46","slug":"soojusenergia-nanotorudest","status":"publish","type":"post","link":"https:\/\/www.fyysika.ee\/?p=9848","title":{"rendered":"Soojusenergia nanotorudest"},"content":{"rendered":"<p><strong>Kaaludes erinevaid energiasalvestamise viise osutuvad oluliseks nii mitmedki tegurid, olenevalt olukorrast n\u00e4iteks energia- ja v\u00f5imsustihedus. \u00dcldiselt on energia saamiseks kasutusel patareid, suure v\u00f5imsuse saamisel aga kondensaatorid. Oleks muidugi tore saada m\u00f5lemat korraga.<\/strong><\/p>\n<p>MIT teadlased eesotsas Michael Stranoga uurisid energia salvestamise viise s\u00fcsinik-nanotorudes, lisades neile kogu toru ulatuses k\u00fctust &#8211; keemilist energiat, mille saab hiljem \u00fchte toru otsa kuumutades elektrienergiaks muuta. Kuumus indutseerib ahelreaktsiooni ning energiat muundav laine liigub torudes kiirusega umbes 10 m\/s, vahendab <a href=\"http:\/\/www.physorg.com\/news\/2010-10-nanotube-thermopower-efforts-energy-carbon.html\">physorg.com<\/a>.<\/p>\n<p>,,S\u00fcsinik-nanotorud \u00f5petavad meile \u00fcha uusi asju &#8211; soojusv\u00f5imsuse laine avastamine annab uusi v\u00f5imalusi energia tootmisel ning reaktiivlaine f\u00fc\u00fcsikas,&#8221; s\u00f5nas Strano.<\/p>\n<p>T\u00fc\u00fcpilise liitium-ioon patarei v\u00f5imsustihedus on ligikaudu 1 kW\/kg. Kuigi MIT teadlased peavad oma nanotorudest koosneva materjali m\u00f5\u00f5tmeid suurendama, on nad praegu t\u00fchjenemisel saanud v\u00f5imsustiheduseks ligi 7 kW\/kg.<\/p>\n<p>Strano toor\u00fchm viis uurimusi l\u00e4bi ka uskumatute m\u00f5\u00f5tmetega<a href=\"http:\/\/en.wikipedia.org\/wiki\/Nanopore\"> nanopooridega<\/a>, nende diameeter oli 1,7 nanomeetrit ning pikkus 500 mikronit.<\/p>\n<p>,,S\u00fcsinik-nanopoorid v\u00f5imaldavad meil avastada ning kinni p\u00fc\u00fcda \u00fcksikuid molekule ning neid \u00fckshaaval \u00fcle lugeda,&#8221; kirjeldas Strano seda esmakordset s\u00fcndmust. Ning k\u00f5ik see toimus toatemperatuuril.<\/p>\n<p>Uurimise all olevad \u00fcksikud molekulid saavad liikuda l\u00e4bi nanotorude \u00fckshaaval, seda protsessi nimetatakse koherents-resonantsiks. Siiani ei ole \u00fcheski mitteorgaanilises s\u00fcsteemis seda protsessi n\u00e4htud, kuid see annab edasist kinnitust bioloogiliste ioonkanalite t\u00f6\u00f6mehanismile.<\/p>\n<p><a href=\"http:\/\/www.physorg.com\/news\/2010-10-nanotube-thermopower-efforts-energy-carbon.html\">Allikas<\/a><\/p>\n<p>Teadusartiklid: \u00a0&#8220;<a href=\"http:\/\/www.sciencemag.org\/cgi\/content\/short\/329\/5997\/1320\">Coherence Resonance in a Single-Walled Carbon Nanotube Ion Channel<\/a>&#8221; ja &#8220;<a href=\"http:\/\/www.ncbi.nlm.nih.gov\/pubmed\/20208525\">Chemically driven carbon-nanotube-guided thermopower waves<\/a>&#8220;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Kaaludes erinevaid energiasalvestamise viise osutuvad oluliseks nii mitmedki tegurid, olenevalt olukorrast n\u00e4iteks energia- ja v\u00f5imsustihedus. \u00dcldiselt on energia saamiseks kasutusel patareid, suure v\u00f5imsuse saamisel aga kondensaatorid. Oleks muidugi tore saada m\u00f5lemat korraga. MIT teadlased eesotsas Michael Stranoga uurisid energia salvestamise viise s\u00fcsinik-nanotorudes, lisades neile kogu toru ulatuses k\u00fctust &#8211; keemilist energiat, mille saab hiljem \u00fchte [&hellip;]<\/p>\n","protected":false},"author":32,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_genesis_hide_title":false,"_genesis_hide_breadcrumbs":false,"_genesis_hide_singular_image":false,"_genesis_hide_footer_widgets":false,"_genesis_custom_body_class":"","_genesis_custom_post_class":"","_genesis_layout":"","footnotes":""},"categories":[31,16],"tags":[],"class_list":{"0":"post-9848","1":"post","2":"type-post","3":"status-publish","4":"format-standard","6":"category-rakenduslik-teadus","7":"category-teadusuudis","8":"entry"},"_links":{"self":[{"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=\/wp\/v2\/posts\/9848","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=\/wp\/v2\/users\/32"}],"replies":[{"embeddable":true,"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=9848"}],"version-history":[{"count":0,"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=\/wp\/v2\/posts\/9848\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=9848"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=9848"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=9848"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}