{"id":13688,"date":"2023-09-28T09:28:28","date_gmt":"2023-09-28T09:28:28","guid":{"rendered":"https:\/\/iluminacionnatural.artesolar.com\/el-cuerpo-negro\/"},"modified":"2026-04-13T15:18:27","modified_gmt":"2026-04-13T15:18:27","slug":"el-cuerpo-negro","status":"publish","type":"post","link":"https:\/\/iluminacionnatural.artesolar.com\/en\/el-cuerpo-negro\/","title":{"rendered":"El cuerpo negro"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"13688\" class=\"elementor elementor-13688 elementor-9516\" data-elementor-post-type=\"post\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-74a788f1 elementor-section-full_width elementor-section-height-min-height elementor-section-height-default elementor-section-items-middle\" data-id=\"74a788f1\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;slideshow&quot;,&quot;background_slideshow_gallery&quot;:[{&quot;id&quot;:8335,&quot;url&quot;:&quot;https:\\\/\\\/iluminacionnatural.artesolar.com\\\/wp-content\\\/uploads\\\/2023\\\/08\\\/Luminaria-LED-con-luz-ultravioleta.jpg&quot;}],&quot;background_slideshow_ken_burns&quot;:&quot;yes&quot;,&quot;background_slideshow_loop&quot;:&quot;yes&quot;,&quot;background_slideshow_slide_duration&quot;:5000,&quot;background_slideshow_slide_transition&quot;:&quot;fade&quot;,&quot;background_slideshow_transition_duration&quot;:500,&quot;background_slideshow_ken_burns_zoom_direction&quot;:&quot;in&quot;}\">\n\t\t\t\t\t\t\t<div class=\"elementor-background-overlay\"><\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-16b3e9c3\" data-id=\"16b3e9c3\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap\">\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-4a5f8df7 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"4a5f8df7\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-32cacc55\" data-id=\"32cacc55\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-3ade7d2e elementor-widget__width-initial elementor-widget elementor-widget-heading\" data-id=\"3ade7d2e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\"><b>El CUERPO NEGRO<\/b><\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-268c465b elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"268c465b\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-inner-column elementor-element elementor-element-33317e6\" data-id=\"33317e6\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-a7964d9 elementor-widget__width-initial elementor-widget elementor-widget-text-editor\" data-id=\"a7964d9\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h4>Hemos o\u00eddo muchas veces este t\u00e9rmino, tan importante en el mundo de la iluminaci\u00f3n\u2026 pero \u00bftenemos claro de d\u00f3nde viene y lo que significa?<\/h4>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-583588b elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"583588b\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-804cbd9\" data-id=\"804cbd9\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-d4cb541 elementor-widget elementor-widget-heading\" data-id=\"d4cb541\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Simplifiquemos<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9eae4b9 elementor-widget elementor-widget-text-editor\" data-id=\"9eae4b9\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Un chiste muy popular entre f\u00edsicos habla de un granjero que tiene problemas con una vaca, que no consigue dar leche. Para solucionarlo contrata a su primo, un f\u00edsico. Tras semanas de duro trabajo y complejos c\u00e1lculos, por fin se presenta en la granja y le dice: ya tengo la soluci\u00f3n\u2026 pero de momento solo funciona para vacas esf\u00e9ricas sin rozamiento.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-1f21e42 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"1f21e42\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-2036cd0\" data-id=\"2036cd0\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-b209207 elementor-widget elementor-widget-text-editor\" data-id=\"b209207\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>M\u00e1s all\u00e1 de si el chiste es bueno (\u00a1lo es!), se resume muy bien la forma de actuar de la f\u00edsica: partir de\u00a0<strong>modelos simples que explican ciertos principios b\u00e1sicos<\/strong>, y despu\u00e9s ir haci\u00e9ndolos m\u00e1s complejos para poder explicar los fen\u00f3menos m\u00e1s en profundidad.<\/p><p>Casi todos los modelos de la f\u00edsica parten de estos conceptos simples.\u00a0<strong>El cuerpo negro es uno de ellos.<\/strong><\/p><p>En la imagen vemos la radiaci\u00f3n del Sol en las capas exteriores de nuestra atm\u00f3sfera (naranja) y la del cuerpo negro a 5777K (gris). Se parecen \u00bfno?. Definitivamente para ciertos c\u00e1lculos y previsi\u00f3n de comportamientos nos podr\u00eda valer.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-aefc956\" data-id=\"aefc956\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-8633ccf elementor-widget__width-initial elementor-widget elementor-widget-image\" data-id=\"8633ccf\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"731\" height=\"536\" src=\"https:\/\/iluminacionnatural.artesolar.com\/wp-content\/uploads\/2023\/09\/BlackBodySun.png\" class=\"attachment-large size-large wp-image-12161\" alt=\"\" srcset=\"https:\/\/iluminacionnatural.artesolar.com\/wp-content\/uploads\/2023\/09\/BlackBodySun.png 731w, https:\/\/iluminacionnatural.artesolar.com\/wp-content\/uploads\/2023\/09\/BlackBodySun-300x220.png 300w\" sizes=\"(max-width: 731px) 100vw, 731px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-ebad18f elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"ebad18f\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-538782e\" data-id=\"538782e\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-97846e9 elementor-widget elementor-widget-heading\" data-id=\"97846e9\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">\u00bfQu\u00e9 es el cuerpo negro?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-05a22b8 elementor-widget elementor-widget-text-editor\" data-id=\"05a22b8\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Todo cuerpo, por el hecho de estar a una temperatura mayor que el cero absoluto,\u00a0<strong>emite energ\u00eda en forma de radiaci\u00f3n electromagn\u00e9tica<\/strong>. Sin embargo m\u00e1s all\u00e1 de esta radiaci\u00f3n propia, los cuerpos tambi\u00e9n reflejan, absorben y reemiten otras radiaciones externas.<\/p><p>Si pudi\u00e9ramos eliminar todas esas interacciones externas \u00bfc\u00f3mo ser\u00eda la radiaci\u00f3n emitida por un cuerpo debido exclusivamente a su temperatura? Esta pregunta dio lugar al concepto del \u201ccuerpo negro\u201d, la vaca esf\u00e9rica de la iluminaci\u00f3n, una idea muy simple, pero a la vez tremendamente \u00fatil.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-318777d elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"318777d\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-33 elementor-top-column elementor-element elementor-element-ddc5254\" data-id=\"ddc5254\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-2b9169c elementor-widget__width-initial elementor-widget elementor-widget-image\" data-id=\"2b9169c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"800\" height=\"640\" src=\"https:\/\/iluminacionnatural.artesolar.com\/wp-content\/uploads\/2023\/09\/CatastrofeUV-1024x819.png\" class=\"attachment-large size-large wp-image-12162\" alt=\"\" srcset=\"https:\/\/iluminacionnatural.artesolar.com\/wp-content\/uploads\/2023\/09\/CatastrofeUV-1024x819.png 1024w, https:\/\/iluminacionnatural.artesolar.com\/wp-content\/uploads\/2023\/09\/CatastrofeUV-300x240.png 300w, https:\/\/iluminacionnatural.artesolar.com\/wp-content\/uploads\/2023\/09\/CatastrofeUV-768x614.png 768w, https:\/\/iluminacionnatural.artesolar.com\/wp-content\/uploads\/2023\/09\/CatastrofeUV.png 1280w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-66 elementor-top-column elementor-element elementor-element-1551c09\" data-id=\"1551c09\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-de37590 elementor-widget elementor-widget-text-editor\" data-id=\"de37590\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>La forma de esa radiaci\u00f3n cumple\u00a0<strong>dos principios<\/strong>:<br \/>. Cuanto mayor es la temperatura, m\u00e1s radiaci\u00f3n emite (Ley de Stefan-Boltzmann).<br \/>. Cuanto mayor es la temperatura, su espectro se va desplazando a frecuencias mayores (Ley de Wien).<\/p><p>Como ejemplo, asumiendo el cuerpo humano como un cuerpo negro a unos 37C (310K), obtendr\u00edamos que emitimos una radiaci\u00f3n de unos 100W, con m\u00e1ximos en el infrarrojo.<\/p><p>Sin embargo lo interesante empieza con temperaturas m\u00e1s altas, en concreto a partir de 500K, cuando la radiaci\u00f3n emitida ya presenta componentes en\u00a0<strong>la zona del espectro visible<\/strong>.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-05946b1 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"05946b1\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-33 elementor-top-column elementor-element elementor-element-58e37e7\" data-id=\"58e37e7\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap\">\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-66 elementor-top-column elementor-element elementor-element-52dd36a\" data-id=\"52dd36a\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-ae4c6d0 elementor-widget elementor-widget-heading\" data-id=\"ae4c6d0\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Sab\u00edas que...<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-eeb279c elementor-widget elementor-widget-text-editor\" data-id=\"eeb279c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h4>El estudio del cuerpo negro por Max Planck en el a\u00f1o 1900 para solucionar el problema llamado <i>Cat\u00e1strofe del Ultravioleta<\/i> dio lugar a la Mec\u00e1nica Cu\u00e1ntica, probablemente la obra cumbre del pensamiento humano<\/h4>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-744b84b elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"744b84b\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-2014a2d\" data-id=\"2014a2d\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-6fced67 elementor-widget elementor-widget-heading\" data-id=\"6fced67\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">\u00bfPor qu\u00e9 es tan importante en el mundo de la iluminaci\u00f3n?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1f6fd4a elementor-widget elementor-widget-text-editor\" data-id=\"1f6fd4a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>M\u00e1s all\u00e1 de la importancia hist\u00f3rica del cuerpo negro o sus muchas aplicaciones (por ejemplo para estudiar cuerpos celestes a partir de su espectro), existen dos aplicaciones directas en el mundo de la iluminaci\u00f3n.<\/p><p>La primera de ellas es\u00a0<strong>determinar la <a href=\"https:\/\/iluminacionnatural.artesolar.com\/colorimetria-v-temperatura-de-color\/\">Temperatura de Color Correlacionada<\/a><\/strong>\u00a0(CCT) de una fuente de luz. Para ello, simplemente se compara el espectro resultante de esa fuente con el de diferentes cuerpos negros, y aquel que m\u00e1s se le parece es el elegido para determinar su CCT.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-1fcb888 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"1fcb888\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-33 elementor-top-column elementor-element elementor-element-ad66272\" data-id=\"ad66272\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-84a1d86 elementor-widget__width-initial elementor-widget elementor-widget-image\" data-id=\"84a1d86\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"800\" height=\"899\" src=\"https:\/\/iluminacionnatural.artesolar.com\/wp-content\/uploads\/2023\/09\/PlanckianLocus-911x1024.png\" class=\"attachment-large size-large wp-image-12163\" alt=\"\" srcset=\"https:\/\/iluminacionnatural.artesolar.com\/wp-content\/uploads\/2023\/09\/PlanckianLocus-911x1024.png 911w, https:\/\/iluminacionnatural.artesolar.com\/wp-content\/uploads\/2023\/09\/PlanckianLocus-267x300.png 267w, https:\/\/iluminacionnatural.artesolar.com\/wp-content\/uploads\/2023\/09\/PlanckianLocus-768x864.png 768w, https:\/\/iluminacionnatural.artesolar.com\/wp-content\/uploads\/2023\/09\/PlanckianLocus.png 1300w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-66 elementor-top-column elementor-element elementor-element-d584f9f\" data-id=\"d584f9f\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-af17164 elementor-widget elementor-widget-text-editor\" data-id=\"af17164\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Como hemos comentado, cuanto m\u00e1s caliente est\u00e1 un cuerpo mayor es la frecuencia de la radiaci\u00f3n emitida: un cuerpo negro a una T de unos 6000K emite una luz con tonos azules, mientras que a 3000K emite tonos m\u00e1s rojizos (menor frecuencia).<\/p><p>Si alguien se ha preguntado alguna vez por qu\u00e9 en iluminaci\u00f3n usamos el t\u00e9rmino \u201cc\u00e1lido\u201d para temperaturas menores que las \u201cfr\u00edas\u201d, esa es la explicaci\u00f3n.<\/p><p>La segunda aplicaci\u00f3n directa -m\u00e1s controvertida- es relativa a la\u00a0<strong><a href=\"https:\/\/iluminacionnatural.artesolar.com\/colorimetria-i-la-luz-y-los-colores\/\">capacidad de reproducir fielmente los colores<\/a><\/strong>\u00a0de una fuente de luz, dado que precisamente es el cuerpo negro a diferentes temperaturas el utilizado como patr\u00f3n para fuentes con una CCT menor de 5000K.<\/p><p>Sin embargo, en esto \u00faltimo surgen preguntas como qu\u00e9 son los colores y qu\u00e9 significa \u201creproducirlos fielmente\u201d. Este tema sin duda da para mucho\u2026 y de ello hablaremos en pr\u00f3ximos art\u00edculos.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-4a73c8ac elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"4a73c8ac\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-57d64773\" data-id=\"57d64773\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-3c9959f elementor-widget elementor-widget-text-editor\" data-id=\"3c9959f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><em>* Im\u00e1genes: wikipedia.org<\/em><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-0f5e156 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"0f5e156\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-5e75364\" data-id=\"5e75364\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-fc96455 elementor-widget elementor-widget-spacer\" data-id=\"fc96455\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-78ec19d9 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"78ec19d9\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-66 elementor-top-column elementor-element elementor-element-175682a\" data-id=\"175682a\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-0bdf215 elementor-widget elementor-widget-text-editor\" data-id=\"0bdf215\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Autor<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f1f418a elementor-widget elementor-widget-heading\" data-id=\"f1f418a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\"><a href=\"https:\/\/www.linkedin.com\/in\/david-rodr%C3%ADguez-78b513133\/\" target=\"_blank\"><u>David Rodr\u00edguez<\/u><\/a><\/h4>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8dcea6c elementor-widget elementor-widget-text-editor\" data-id=\"8dcea6c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Director Artesolar Daylighting<br \/>F\u00edsico e Ingeniero en Electr\u00f3nica. WELL AP.<br \/>Profesional desde 2003 en soluciones de aprovechamiento de la energ\u00eda del Sol con sistemas t\u00e9rmicos, fotovoltaicos y de iluminaci\u00f3n natural.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-33 elementor-top-column elementor-element elementor-element-a04888a\" data-id=\"a04888a\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-a7eb47b elementor-widget elementor-widget-text-editor\" data-id=\"a7eb47b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Comparte este art\u00edculo<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1eba75a elementor-widget elementor-widget-elementskit-social-share\" data-id=\"1eba75a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"elementskit-social-share.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"ekit-wid-con\" >\t\t<ul class=\"ekit_socialshare\">\n                            <li class=\"elementor-repeater-item-739eca2\" data-social=\"facebook\">\n                    <div class=\"facebook\">\n                        \n                        <i aria-hidden=\"true\" class=\"icon icon-facebook\"><\/i>                        \n                                                                                            <\/div>\n                <\/li>\n                                            <li class=\"elementor-repeater-item-a141752\" data-social=\"twitter\">\n                    <div class=\"twitter\">\n                        \n                        <i aria-hidden=\"true\" class=\"icon icon-twitter\"><\/i>                        \n                                                                                            <\/div>\n                <\/li>\n                                            <li class=\"elementor-repeater-item-d84d81e\" data-social=\"linkedin\">\n                    <div class=\"linkedin\">\n                        \n                        <i aria-hidden=\"true\" class=\"icon icon-linkedin\"><\/i>                        \n                                                                                            <\/div>\n                <\/li>\n                                    <\/ul>\n        <\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-14a368ac elementor-section-full_width elementor-section-height-default elementor-section-height-default\" data-id=\"14a368ac\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-5ed401a9\" data-id=\"5ed401a9\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-3469ad38 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"3469ad38\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-inner-column elementor-element elementor-element-120be692\" data-id=\"120be692\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t<div class=\"elementor-element elementor-element-fd62c4c e-flex e-con-boxed e-con e-parent\" data-id=\"fd62c4c\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4bd29505 elementor-widget elementor-widget-elementskit-heading\" data-id=\"4bd29505\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"elementskit-heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"ekit-wid-con\" ><div class=\"ekit-heading elementskit-section-title-wraper text_left   ekit_heading_tablet-   ekit_heading_mobile-text_center\"><h3 class=\"ekit-heading--title elementskit-section-title \">Otros <span><span>art\u00edculos<\/span><\/span><\/h3><div class=\"ekit_heading_separetor_wraper ekit_heading_elementskit-border-divider elementskit-style-long\"><div class=\"elementskit-border-divider elementskit-style-long\"><\/div><\/div><\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f01493c premium-blog-align-left elementor-widget elementor-widget-premium-addon-blog\" data-id=\"f01493c\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;force_height&quot;:&quot;true&quot;,&quot;premium_blog_grid&quot;:&quot;yes&quot;,&quot;premium_blog_layout&quot;:&quot;even&quot;,&quot;premium_blog_columns_number&quot;:&quot;50%&quot;,&quot;premium_blog_columns_number_tablet&quot;:&quot;50%&quot;,&quot;premium_blog_columns_number_mobile&quot;:&quot;100%&quot;}\" data-widget_type=\"premium-addon-blog.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\n\t\t\n\n\t\t\t\t<div class=\"premium-blog-wrap  premium-blog-even\" data-page=\"13688\">\n\t\t\t\t\t\t\t\t\t<div class=\"premium-blog-post-outer-container\" data-total=\"1\">\n\t\t\t<div class=\"premium-blog-post-container premium-blog-skin-modern\">\n\t\t\t\t\t\t\t\t\t<div class=\"premium-blog-thumb-effect-wrapper\">\n\t\t\t\t\t\t<div class=\"premium-blog-thumbnail-container premium-blog-zoomin-effect\">\n\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/iluminacionnatural.artesolar.com\/en\/el-poder-del-sol\/\" target=\"_self\">\n\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"1424\" height=\"977\" src=\"https:\/\/iluminacionnatural.artesolar.com\/wp-content\/uploads\/2023\/08\/Sol2.jpg\" class=\"attachment-full size-full wp-image-12243\" alt=\"\" srcset=\"https:\/\/iluminacionnatural.artesolar.com\/wp-content\/uploads\/2023\/08\/Sol2.jpg 1424w, https:\/\/iluminacionnatural.artesolar.com\/wp-content\/uploads\/2023\/08\/Sol2-300x206.jpg 300w, https:\/\/iluminacionnatural.artesolar.com\/wp-content\/uploads\/2023\/08\/Sol2-1024x703.jpg 1024w, https:\/\/iluminacionnatural.artesolar.com\/wp-content\/uploads\/2023\/08\/Sol2-768x527.jpg 768w\" sizes=\"(max-width: 1424px) 100vw, 1424px\" \/>\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"premium-blog-effect-container premium-blog-diagonal-effect\">\n\t\t\t\t\t\t\t\t<a class=\"premium-blog-post-link\" href=\"https:\/\/iluminacionnatural.artesolar.com\/en\/el-poder-del-sol\/\" target=\"_self\"><span>The power of the Sun<\/span><\/a>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"premium-blog-content-wrapper \">\n\n\t\t\t\t\t<div class=\"premium-blog-inner-container\">\n\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<p class=\"premium-blog-entry-title\">\n\t\t\t<a href=\"https:\/\/iluminacionnatural.artesolar.com\/en\/el-poder-del-sol\/\" target=\"_self\">\n\t\t\t\tThe power of the Sun\t\t\t<\/a>\n\t\t<\/p>\n\t\t\t\t<div class=\"premium-blog-entry-meta\">\n\t\t\t\n\t\t\t\n\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\n\t\t\t\t\t<\/div>\n\n\t\t\t\t\t\t\t<div class=\"premium-blog-content-inner-wrapper\">\n\t\t<p class=\"premium-blog-post-content\">The power of the Sun The Sun is our source of energy, on which life on this planet depends directly and \u2026<\/p>\t\t<\/div>\n\t\t\t\t\t\t\t\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t<\/div>\n\n\t\t\t\t\t\t\t<\/div>\n\n\t\t\n\t\t\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>El CUERPO NEGRO Hemos o\u00eddo muchas veces este t\u00e9rmino, tan importante en el mundo de la iluminaci\u00f3n\u2026 pero \u00bftenemos claro de d\u00f3nde viene y lo que significa? Simplifiquemos Un chiste muy popular entre f\u00edsicos habla de un granjero que tiene problemas con una vaca, que no consigue dar leche. Para solucionarlo contrata a su primo, [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":12161,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"elementor_header_footer","format":"standard","meta":{"footnotes":""},"categories":[285],"tags":[286],"class_list":["post-13688","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-gral","tag-luz-natural"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>El cuerpo negro<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/iluminacionnatural.artesolar.com\/en\/el-cuerpo-negro\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"El cuerpo negro\" \/>\n<meta property=\"og:description\" content=\"El CUERPO NEGRO Hemos o\u00eddo muchas veces este t\u00e9rmino, tan importante en el mundo de la iluminaci\u00f3n\u2026 pero \u00bftenemos claro de d\u00f3nde viene y lo que significa? 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