{"id":5687,"date":"2015-08-01T12:34:41","date_gmt":"2015-08-01T12:34:41","guid":{"rendered":"https:\/\/wp.rinconeducativo.org\/?recursos=calentador-solar-de-agua"},"modified":"2024-12-13T12:04:49","modified_gmt":"2024-12-13T11:04:49","slug":"calentador-solar-agua","status":"publish","type":"re_recurso","link":"https:\/\/rinconeducativo.org\/es\/recursos-educativos\/calentador-solar-agua\/","title":{"rendered":"Calentador solar de agua"},"content":{"rendered":"\n<p><strong>\u00bfSab\u00edas que la cantidad de energ\u00eda que irradia el Sol en dos semanas supera la de todas las reservas de carb\u00f3n, petr\u00f3leo y gas natural de toda la Tierra?<\/strong><\/p>\n\n\n\n<p>El coraz\u00f3n del calentador es el colector. \u00bfC\u00f3mo puedes construirlo?<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Material<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Unos 2 \u00f3 3 m de tubo negro flexible.<\/li>\n\n\n\n<li>Una caja resistente, rectangular, de unos 40 x 50 cm, aproximadamente.<\/li>\n\n\n\n<li>Pintura negra o un recubrimiento de este color para el interior de la caja.<\/li>\n\n\n\n<li>Un cristal para tapar la caja.<\/li>\n\n\n\n<li>Una pinza.<\/li>\n\n\n\n<li>Dos cubos o latas.<\/li>\n\n\n\n<li>Dos term\u00f3metros.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Proceso<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Pinta o cubre el interior de la caja de negro.<\/li>\n\n\n\n<li>Haz dos agujeros para pasar el tubo en un lado de la caja.<\/li>\n\n\n\n<li>Enrolla el tubo conc\u00e9ntricamente o serpenteando dentro de la caja, pero dejando algunos cent\u00edmetros de tubo en el exterior.<\/li>\n\n\n\n<li>Coloca el cristal sobre la caja.<\/li>\n\n\n\n<li>Pon los cubos a niveles diferentes, debajo de los extremos del tubo y llena de agua el que ser\u00e1 el cubo de entrada.<\/li>\n<\/ul>\n\n\n\n<p>Ahora que ya tienes el colector, ponlo en un lugar al sol, coge el extremo de salida del tubo y aspira hasta que circule el agua. Finalmente, pon la pinza de manera que no deje caer el agua a chorro, sino gota a gota. Mide la temperatura del agua que sale al cabo de un rato.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Cuestiones:<\/h3>\n\n\n\n<p><strong>\u00bfQu\u00e9 ha pasado con la temperatura del agua? <\/strong>________________________________________________________<\/p>\n\n\n\n<p><strong>\u00bfQu\u00e9 diferencia hay entre la temperatura del agua en el cubo de entrada y en el de salida?<\/strong><br>________________________________________________________<\/p>\n\n\n\n<p><strong>\u00bfPor qu\u00e9 crees que se calienta el agua? \u00bfQu\u00e9 propiedad de la energ\u00eda lo hace posible?<\/strong><br>________________________________________________________<\/p>\n\n\n\n<p><strong>\u00bfQu\u00e9 pasa si est\u00e1 nublado?<\/strong><br>&nbsp; &nbsp;________________________________________________________<\/p>\n\n\n\n<p><strong>\u00bfQu\u00e9 factores (variables) te parece que pueden influir en un mayor o menor calentamiento del agua?<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>&nbsp;\u00bfquiz\u00e1s la velocidad a la que circula por el tubo? Intenta hacerla aumentar o disminuir ejerciendo m\u00e1s o menos presi\u00f3n con la pinza, \u00bfqu\u00e9 pasa? Si el agua circula m\u00e1s lentamente por el tubo se calentar\u00e1 ____________, porque _____________________________________&nbsp; &nbsp; &nbsp; ________________________________________________________<\/li>\n\n\n\n<li>&nbsp;\u00bffactores temporales como la hora del d\u00eda y la estaci\u00f3n del a\u00f1o, o meteorol\u00f3gicos como las nubes? Haz la prueba en diferentes momentos y en diferentes circunstancias. \u00bfQu\u00e9 conclusi\u00f3n sacas?&nbsp; &nbsp;________________________________________________________&nbsp; &nbsp; &nbsp; ________________________________________________________<\/li>\n\n\n\n<li>&nbsp;Partiendo de la base de que vives en el hemisferio norte, \u00bfhacia d\u00f3nde orientar\u00edas un colector solar en tu casa para obtener el m\u00e1ximo rendimiento, N, S, E u O? \u00bfPor qu\u00e9?&nbsp; &nbsp; &nbsp; ________________________________________________________&nbsp; &nbsp; &nbsp; ________________________________________________________<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Calentador solar de agua<\/p>\n","protected":false},"author":1088,"featured_media":5686,"template":"","meta":{"_acf_changed":false,"footnotes":""},"tags":[5987],"edad":[7029],"recursos_tipo":[7015],"recursos_tema":[7102,7003],"clasificacion_anterior":[],"class_list":["post-5687","re_recurso","type-re_recurso","status-publish","has-post-thumbnail","hentry","tag-energia-renovable","edad-de-6-a-12","recursos_tipo-actividades-practicas","recursos_tema-energias-renovables","recursos_tema-energia-solar"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.8 - 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