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[{"key": "dc.contributor.author", "value": "Valta, Jorma", "language": null, "element": "contributor", "qualifier": "author", "schema": "dc"}, {"key": "dc.date.accessioned", "value": "2012-10-30T12:31:34Z", "language": null, "element": "date", "qualifier": "accessioned", "schema": "dc"}, {"key": "dc.date.available", "value": "2012-10-30T12:31:34Z", "language": null, "element": "date", "qualifier": "available", "schema": "dc"}, {"key": "dc.date.issued", "value": "2012", "language": null, "element": "date", "qualifier": "issued", "schema": "dc"}, {"key": "dc.identifier.other", "value": "oai:jykdok.linneanet.fi:1233771", "language": null, "element": "identifier", "qualifier": "other", "schema": "dc"}, {"key": "dc.identifier.uri", "value": "https://jyx.jyu.fi/handle/123456789/40126", "language": null, "element": "identifier", "qualifier": "uri", "schema": "dc"}, {"key": "dc.description.abstract", "value": "T\u00e4ss\u00e4 Pro gradu \u2013tutkielmassa selvitettiin uusiutuviin energial\u00e4hteisiin perustuvien l\u00e4mmitysj\u00e4rjestelmien ja my\u00f6s piens\u00e4hk\u00f6ntuotannon toimivuutta maatilakohteissa. Ty\u00f6ss\u00e4 k\u00e4ytiin l\u00e4pi yleisimm\u00e4t pientaloissa k\u00e4ytett\u00e4v\u00e4t kaupalliseen kehitysvaiheeseen p\u00e4\u00e4sseet teknologiat, kuten biopolttokattilat, maa- ja ilmal\u00e4mp\u00f6pumput, biokaasulaitteet, pientuuliturbiinit, aurinkos\u00e4hk\u00f6paneelit ja aurinkol\u00e4mp\u00f6ker\u00e4imet.\n\nTy\u00f6n kokeellisessa osuudessa selvitettiin kolmen keskisuomalaisen maatilan nykyinen energiankulutus ja kustannukset. Kohteille suunniteltiin konseptitasolla soveltuvia l\u00e4mmitysj\u00e4rjestelmi\u00e4. Lis\u00e4ksi selvitettiin aurinkol\u00e4mp\u00f6ker\u00e4imien soveltuvuutta l\u00e4mpim\u00e4n k\u00e4ytt\u00f6veden l\u00e4mmitykseen ja oman s\u00e4hk\u00f6ntuotannon kannattavuutta pientuuliturbiinilla erityisesti paljon s\u00e4hk\u00f6\u00e4 kuluttavalla lypsykarjatilalla.\n\nTutkimuksen maatilakohteissa edullisimmaksi l\u00e4mmitystavaksi osoittautui puun poltto biokattilassa joko hakkeena tai halkoina tai l\u00e4mp\u00f6pumppuihin perustuva l\u00e4mmitys. Vaadittavat laiteinvestoinnit ovat melko suuria, mutta k\u00e4ytt\u00f6kustannukset ovat hyvin edullisia erityisesti verrattuna s\u00e4hk\u00f6- tai \u00f6ljyl\u00e4mmitykseen.\n\nAurinkol\u00e4mp\u00f6ker\u00e4imill\u00e4 on mahdollista tuottaa noin puolet tarvittavasta l\u00e4mpim\u00e4st\u00e4 k\u00e4ytt\u00f6vedest\u00e4, mutta j\u00e4rjestelmien korkea hinta tekee niist\u00e4 taloudellisesti kannattamattomia. My\u00f6s pientuulivoima osoittautui ainakin toistaiseksi kannattamattomaksi investoinnin kalleuden ja sis\u00e4maan leppeiden tuuliolojen vuoksi.", "language": null, "element": "description", "qualifier": "abstract", "schema": "dc"}, {"key": "dc.description.provenance", "value": "Submitted using Plone Publishing form by Jorma Valta (jotavalt) on 2012-10-30 12:31:33.861824. Form: Pro gradu -lomake (1 tekij\u00e4) (https://kirjasto.jyu.fi/julkaisut/julkaisulomakkeet/pro-gradu-lomake-1-tekijae). JyX data:", "language": "en", "element": "description", "qualifier": "provenance", "schema": "dc"}, {"key": "dc.description.provenance", "value": "Submitted by jyx lomake-julkaisija (jyx-julkaisija@noreply.fi) on 2012-10-30T12:31:34Z\nNo. of bitstreams: 2\nURN:NBN:fi:jyu-201210302818.pdf: 3811786 bytes, checksum: 8dc29b08b8c9e58f03af4c735e9ba48c (MD5)\nlicense.html: 5027 bytes, checksum: 237e3799783ac013964b6f92b61d78b5 (MD5)", "language": "en", "element": "description", "qualifier": "provenance", "schema": "dc"}, {"key": "dc.description.provenance", "value": "Made available in DSpace on 2012-10-30T12:31:34Z (GMT). No. of bitstreams: 2\nURN:NBN:fi:jyu-201210302818.pdf: 3811786 bytes, checksum: 8dc29b08b8c9e58f03af4c735e9ba48c (MD5)\nlicense.html: 5027 bytes, checksum: 237e3799783ac013964b6f92b61d78b5 (MD5)\n Previous issue date: 2012", "language": "en", "element": "description", "qualifier": "provenance", "schema": "dc"}, {"key": "dc.format.extent", "value": "92 sivua", "language": null, "element": "format", "qualifier": "extent", "schema": "dc"}, {"key": "dc.format.mimetype", "value": "application/pdf", "language": null, "element": "format", "qualifier": "mimetype", "schema": "dc"}, {"key": "dc.language.iso", "value": "fin", "language": null, "element": "language", "qualifier": "iso", "schema": "dc"}, {"key": "dc.rights", "value": "In Copyright", "language": "en", "element": "rights", "qualifier": null, "schema": "dc"}, {"key": "dc.subject.other", "value": "biokattila", "language": null, "element": "subject", "qualifier": "other", "schema": "dc"}, {"key": "dc.subject.other", "value": 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