{"id":29057,"date":"2015-08-01T12:34:41","date_gmt":"2015-08-01T10:34:41","guid":{"rendered":"https:\/\/rinconeducativo.org\/recursos-educativos\/calentador-solar-de-agua\/"},"modified":"2024-12-18T13:47:47","modified_gmt":"2024-12-18T12:47:47","slug":"solar-water-heater","status":"publish","type":"re_recurso","link":"https:\/\/rinconeducativo.org\/en\/recursos-educativos\/solar-water-heater\/","title":{"rendered":"Solar water heater"},"content":{"rendered":"\n<p><strong>Did you know that the amount of energy radiated by the Sun in two weeks exceeds that of all the coal, oil and natural gas reserves on Earth?<\/strong><\/p>\n\n\n\n<p>The heart of the heater is the collector, how can you build it?<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Material<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Approx. 2-3 m of flexible black tubing.<\/li>\n\n\n\n<li>A sturdy, rectangular box, approximately 40 x 50 cm.<\/li>\n\n\n\n<li>Black paint or a black coating for the inside of the box.<\/li>\n\n\n\n<li>Glass to cover the box.<\/li>\n\n\n\n<li>A clamp.<\/li>\n\n\n\n<li>Two buckets or cans.<\/li>\n\n\n\n<li>Two thermometers.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Process<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Paint or cover the inside of the box in black.<\/li>\n\n\n\n<li>Make two holes to pass the tube through on one side of the box.<\/li>\n\n\n\n<li>Wind the tube concentrically or snaking inside the box, but leaving a few centimeters of tube on the outside.<\/li>\n\n\n\n<li>Place the glass on top of the box.<\/li>\n\n\n\n<li>Place the buckets at different levels, under the ends of the tube, and fill the one that will be the inlet bucket with water.<\/li>\n<\/ul>\n\n\n\n<p>Now that you have the collector, place it in a sunny spot, take the outlet end of the tube, and suck in the water until it circulates. Finally, place the clamp in such a way that it does not let the water fall in a jet, but drop by drop. Measure the temperature of the water that comes out after a while.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Questions:<\/h3>\n\n\n\n<p><strong>What happened to the water temperature? <\/strong>________________________________________________________________<\/p>\n\n\n\n<p><strong>What is the difference between the water temperature in the inlet and outlet bucket?<\/strong><br>_____________________________________________________________________________________________________<\/p>\n\n\n\n<p><strong>Why do you think water is heated? What property of energy makes this possible?<\/strong><br>_____________________________________________________________________________________________________<\/p>\n\n\n\n<p><strong>What if it is cloudy?<\/strong><br>\u00a0____________________________________________________________________________________________________<\/p>\n\n\n\n<p><strong>What factors (variables) do you think may influence the heating of water to a greater or lesser extent?<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u00a0Perhaps the speed at which it flows through the tube? Try increasing or decreasing it by exerting more or less pressure with the clamp, what happens?___________________________________________________________________________\u00a0 \u00a0 \u00a0 ________________________________________________________________________________________________<\/li>\n\n\n\n<li>\u00a0Temporal factors such as time of day and season, or meteorological factors such as clouds? Do the test at different times and in different circumstances - what conclusion do you draw? ________________________________________________________________________________________________\u00a0 \u00a0 \u00a0 ________________________________________________________________________________________________<\/li>\n\n\n\n<li>\u00a0Assuming you live in the northern hemisphere, which way would you orient a solar collector on your house for maximum efficiency, N, S, E or W? Why? ______________________________________________________________________\u00a0 \u00a0 \u00a0 ________________________________________________________________________________________________<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Solar water heater<\/p>\n","protected":false},"author":1088,"featured_media":9939,"template":"","meta":{"_acf_changed":false,"footnotes":""},"tags":[8206],"edad":[7161],"recursos_tipo":[7203],"recursos_tema":[7191,7196],"clasificacion_anterior":[],"class_list":["post-29057","re_recurso","type-re_recurso","status-publish","has-post-thumbnail","hentry","tag-renewable-energy","edad-06-12-years-old","recursos_tipo-practical-activities","recursos_tema-renewable-energies","recursos_tema-solar-energy"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Solar water heater - Rinc\u00f3n educativo<\/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:\/\/rinconeducativo.org\/en\/recursos-educativos\/solar-water-heater\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Solar water heater - 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