{"id":5405,"date":"2024-10-21T14:51:26","date_gmt":"2024-10-21T06:51:26","guid":{"rendered":"https:\/\/globalquartztube.com\/?p=5405"},"modified":"2024-09-30T14:55:20","modified_gmt":"2024-09-30T06:55:20","slug":"power-calculation-for-carbon-fiber-heating-elements","status":"publish","type":"post","link":"https:\/\/globalquartztube.com\/fi\/power-calculation-for-carbon-fiber-heating-elements\/","title":{"rendered":"Hiilikuituisten l\u00e4mmityselementtien tehon laskeminen"},"content":{"rendered":"<p><strong>Yksinkertainen laskentamenetelm\u00e4 kuivaushuoneen l\u00e4mp\u00f6teholle<\/strong><\/p>\n\n\n\n<p>Mit\u00e4 tulee siihen, kuinka paljon l\u00e4mmitystehoa kuivaushuone tarvitsee, haluaisin kertoa yksinkertaisen laskentamenetelm\u00e4n, jonka olen tiivist\u00e4nyt. Koska se on yksinkertainen, se ei v\u00e4ltt\u00e4m\u00e4tt\u00e4 ole t\u00e4ysin tarkka, joten tutkijoiden ei pit\u00e4isi luottaa t\u00e4h\u00e4n l\u00e4hestymistapaan. T\u00e4m\u00e4 artikkeli on tarkoitettu niille, jotka aikovat k\u00e4ytt\u00e4\u00e4 <a href=\"https:\/\/globalquartztube.com\/fi\/carbon-fiber-heating-element\/\" data-type=\"page\" data-id=\"5200\">hiilikuituiset l\u00e4mmityselementit<\/a> DIY-kuivaus- tai leivinuuneihin.<\/p>\n\n\n\n<p>Otetaan esimerkiksi yksi asiakkaistamme. He k\u00e4yttiv\u00e4t alun perin polttouunia (jossa poltettiin pellettej\u00e4 tai puuj\u00e4tteit\u00e4). Ymp\u00e4rist\u00f6syist\u00e4 he halusivat siirty\u00e4 k\u00e4ytt\u00e4m\u00e4\u00e4n s\u00e4hk\u00f6l\u00e4mmityselementtej\u00e4. Kuivaushuoneen sein\u00e4t oli eristetty puuvillalla, ja kuivattava materiaali oli puolikuivaa m\u00e4ntypuuta. Kuivausl\u00e4mp\u00f6tilan oli oltava 80 \u00b0C 2 tunnin kuluessa.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Fysiikan perustiedot (kaikki parametrit l\u00f6ytyv\u00e4t hakukoneiden kautta):<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Paino<\/strong> = tiheys x tilavuus<\/li>\n\n\n\n<li><strong>L\u00e4mp\u00f6<\/strong> = Teho x aika<\/li>\n\n\n\n<li><strong>Kappaleen l\u00e4mp\u00f6tilan nostamiseen tarvittava l\u00e4mp\u00f6<\/strong> = Ominaisl\u00e4mp\u00f6kapasiteetti x l\u00e4mp\u00f6tilaero<\/li>\n\n\n\n<li><strong>Puun ominaisl\u00e4mp\u00f6kapasiteetti<\/strong>: 1,72 x 10^3 J\/(kg.K)<\/li>\n\n\n\n<li><strong>Ilman ominaisl\u00e4mp\u00f6kapasiteetti<\/strong>: 1,003 x 10^3 J\/(kg.K)<\/li>\n\n\n\n<li><strong>M\u00e4ntykuitupuun tiheys<\/strong>: 0.5~0.7 x 10^3 kg\/m\u00b3, k\u00e4yt\u00e4 0.6 x 10^3<\/li>\n\n\n\n<li><strong>Ilman tiheys<\/strong>: 1,29 kg\/m\u00b3<\/li>\n\n\n\n<li><strong>Volume<\/strong>: Oletetaan, ett\u00e4 puu t\u00e4ytt\u00e4\u00e4 70% (t\u00e4m\u00e4 varmistaa, ettei teholaskelma ole liian alhainen), ilmaa lasketaan 15 kuutiometri\u00e4.<\/li>\n\n\n\n<li><strong>L\u00e4mp\u00f6tilaero<\/strong>: 90\u00b0C - 0\u00b0C (olettaen, ett\u00e4 talven alhaiset l\u00e4mp\u00f6tilat ovat 0\u00b0C).<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">Vaihe 1: Laske puun l\u00e4mmitt\u00e4miseen tarvittava teho.<\/h4>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Lasketaan m\u00e4nnyn paino<\/strong><br>M\u00e4ntypuun paino = 0,6 x 10^3 x 15 x 70% = 6300 kg.<\/li>\n\n\n\n<li><strong>Laske l\u00e4mp\u00f6tilan nostamiseen tarvittava l\u00e4mp\u00f6.<\/strong><br>Tarvittava l\u00e4mp\u00f6 = 6300 kg x (90 \u00b0C - 0 \u00b0C) x 1,72 x 10^3 J\/(kg.\u00b0C) = 9,75 x 10^8 J.<\/li>\n\n\n\n<li><strong>Laske teho<\/strong><br>Teho = 9,75 x 10^8 J \/ (2 x 3600 s) = 135450 W \u2248 136 kW.<\/li>\n<\/ol>\n\n\n\n<h4 class=\"wp-block-heading\">Vaihe 2: Laske ilman l\u00e4mmitt\u00e4miseen tarvittava teho.<\/h4>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Laske ilman paino<\/strong><br>Ilman paino = 1,29 x 15 = 19,35 kg.<\/li>\n\n\n\n<li><strong>Laske l\u00e4mp\u00f6tilan nostamiseen tarvittava l\u00e4mp\u00f6.<\/strong><br>Tarvittava l\u00e4mp\u00f6 = 19,35 kg x (90 \u00b0C - 0 \u00b0C) x 1,003 x 10^3 J\/(kg.\u00b0C) = 1,75 x 10^6 J.<\/li>\n\n\n\n<li><strong>Laske teho<\/strong><br>Teho = 1,75 x 10^6 J \/ (2 x 3600 s) = 243 W \u2248 500 W (ilman l\u00e4mmitt\u00e4miseen tarvittava teho voidaan j\u00e4tt\u00e4\u00e4 huomiotta).<\/li>\n<\/ol>\n\n\n\n<h4 class=\"wp-block-heading\">Vaihe 3: Kuivaushuoneen l\u00e4mp\u00f6h\u00e4vi\u00f6n laskeminen<\/h4>\n\n\n\n<p>L\u00e4mp\u00f6h\u00e4vi\u00f6 eristyksen, metalliosien ja muiden tekij\u00f6iden kautta v\u00e4hennet\u00e4\u00e4n tasaisesti 15%:ll\u00e4.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Lopullinen kokonaistehon laskenta<\/h4>\n\n\n\n<p>Kokonaisteho = 136 kW x (1 + 15%) = 156,4 kW.<br>Nopea laskentamenetelm\u00e4 on, ett\u00e4 puun kuivaushuone vaatii noin 10 kW kuutiometri\u00e4 kohti.<br>Jos k\u00e4yt\u00e4t 1200 W:n hiilikuitul\u00e4mmityselementtej\u00e4, tarvitset 130 kappaletta.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Lis\u00e4tiedot:<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>L\u00e4mm\u00f6n muuntaminen<\/strong>: 1 kilokalori (kcal) = 4,1858518 kilojoulea (kJ) (Nopea laskutoimitus: kJ\/4 = kcal).<\/li>\n<\/ul>\n\n\n\n<p>GlobalQT on erikoistunut korkealaatuisten <a href=\"https:\/\/globalquartztube.com\/fi\/carbon-fiber-heating-element\/\" data-type=\"page\" data-id=\"5200\">hiilikuituiset l\u00e4mmityselementit<\/a> ja kvartsiputkiratkaisut. Lis\u00e4tietoja saat osoitteesta <a href=\"https:\/\/globalquartztube.com\/fi\">verkkosivusto<\/a> tai ota yhteytt\u00e4 osoitteeseen <a>contact@globalquartztube.com<\/a>.<\/p>","protected":false},"excerpt":{"rendered":"<p>Simple Calculation Method for Drying Room Heat Power Regarding how much heating power a drying room requires, I\u2019d like to share a simple calculation method I\u2019ve summarized. Since it\u2019s simple, it may not be entirely precise, so researchers should not rely on this approach. This article is intended for those who plan to use carbon [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":5408,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_seopress_robots_primary_cat":"none","_seopress_titles_title":"Power Calculation for Carbon Fiber Heating Elements","_seopress_titles_desc":"Learn how to calculate the required power for a drying room using carbon fiber heating elements, including a step-by-step process and key considerations.","_seopress_robots_index":"","_uag_custom_page_level_css":"","site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center 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Casper","author_link":"https:\/\/globalquartztube.com\/fi\/author\/casper-peng\/"},"uagb_comment_info":0,"uagb_excerpt":"Simple Calculation Method for Drying Room Heat Power Regarding how much heating power a drying room requires, I\u2019d like to share a simple calculation method I\u2019ve summarized. Since it\u2019s simple, it may not be entirely precise, so researchers should not rely on this approach. This article is intended for those who plan to use carbon&hellip;","authors":[{"term_id":13,"user_id":3,"is_guest":0,"slug":"casper-peng","display_name":"Peng, Casper","avatar_url":{"url":"https:\/\/globalquartztube.com\/wp-content\/uploads\/2024\/06\/Casper-Peng.webp","url2x":"https:\/\/globalquartztube.com\/wp-content\/uploads\/2024\/06\/Casper-Peng.webp"},"0":null,"1":"","2":"","3":"","4":"","5":"","6":"","7":""}],"_links":{"self":[{"href":"https:\/\/globalquartztube.com\/fi\/wp-json\/wp\/v2\/posts\/5405","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/globalquartztube.com\/fi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/globalquartztube.com\/fi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/globalquartztube.com\/fi\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/globalquartztube.com\/fi\/wp-json\/wp\/v2\/comments?post=5405"}],"version-history":[{"count":1,"href":"https:\/\/globalquartztube.com\/fi\/wp-json\/wp\/v2\/posts\/5405\/revisions"}],"predecessor-version":[{"id":5409,"href":"https:\/\/globalquartztube.com\/fi\/wp-json\/wp\/v2\/posts\/5405\/revisions\/5409"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/globalquartztube.com\/fi\/wp-json\/wp\/v2\/media\/5408"}],"wp:attachment":[{"href":"https:\/\/globalquartztube.com\/fi\/wp-json\/wp\/v2\/media?parent=5405"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/globalquartztube.com\/fi\/wp-json\/wp\/v2\/categories?post=5405"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/globalquartztube.com\/fi\/wp-json\/wp\/v2\/tags?post=5405"},{"taxonomy":"author","embeddable":true,"href":"https:\/\/globalquartztube.com\/fi\/wp-json\/wp\/v2\/ppma_author?post=5405"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}