{"id":2374,"date":"2023-06-12T12:19:02","date_gmt":"2023-06-12T12:19:02","guid":{"rendered":"https:\/\/fairconditioning.org\/fc-activity\/?post_type=activity&#038;p=2374"},"modified":"2023-06-12T12:19:47","modified_gmt":"2023-06-12T12:19:47","slug":"radiant-barrier-hot-plate-paper-screen","status":"publish","type":"activity","link":"https:\/\/fairconditioning.org\/fc-activity\/activity\/radiant-barrier-hot-plate-paper-screen\/","title":{"rendered":"Radiant Barrier &#8211; Hot Plate &#038; Paper Screen"},"content":{"rendered":"\n<p><strong>Objective:<\/strong> To demonstrate how a paper screen can be used as a radiant barrier for radiation from a hot plate.<\/p>\n\n\n\n<p><strong>Outcome: <\/strong>Students understand that high ceiling, false ceiling, insulation etc. can act as a radiant barrier in a building.<\/p>\n\n\n\n<p><strong>Materials:<\/strong> A cooking pan, hot plate stove, a white foolscap size paper<\/p>\n\n\n\n<p><strong>Prerequisites: <\/strong>For safety, please check the working condition of the hot plate stove.<\/p>\n\n\n\n<p><strong>Procedure:&nbsp;<\/strong><\/p>\n\n\n\n<p>Step 1: Call out students one at a time to experience the radiation.<\/p>\n\n\n\n<p>Step 2: Heat the pan and cautiously hold the hot pan at approximately 50 cm from their face for a duration of 10 seconds.<\/p>\n\n\n\n<p>Step 3: Hand out a paper sheet to the student and instruct to hold the paper sheet in between the pan and their face for next 10 seconds.<\/p>\n\n\n\n<p>Step 4: Collect feedback from students after all have finished experiencing the heat from the pan. Ask question to the students \u2013 Who experienced lesser heat when they held the paper in-between their face and the hot pan?<\/p>\n\n\n\n<p>Step 5: Explain to the students how foolscap paper acted as a radiant barrier to stop heat transfer due to radiation from the pan.<\/p>\n\n\n\n<p>Step 6: Explain to the students that the roofs, false ceilings, high ceilings and insulation inside the building are radiant barriers that stop heat from entering the building.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" loading=\"lazy\" width=\"426\" height=\"319\" src=\"https:\/\/fairconditioning.org\/fc-activity\/wp-content\/uploads\/2023\/06\/Screenshot-2023-06-12-at-17.48.16.png\" alt=\"\" class=\"wp-image-2375\"\/><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>Objective: To demonstrate how a paper screen can be used as a radiant barrier for radiation from a hot plate. Outcome: Students understand that high ceiling, false ceiling, insulation etc. can act as a radiant barrier in a building. Materials: A cooking pan, hot plate stove, a white foolscap size paper Prerequisites: For safety, please [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":2375,"comment_status":"open","ping_status":"closed","template":"","meta":{"inline_featured_image":false},"activity_subject":[125],"academic_year":[68],"complexity":[59],"content_tags":[404,495,490],"activity_type":[361],"activity_duration":[172],"acf":[],"_links":{"self":[{"href":"https:\/\/fairconditioning.org\/fc-activity\/wp-json\/wp\/v2\/activity\/2374"}],"collection":[{"href":"https:\/\/fairconditioning.org\/fc-activity\/wp-json\/wp\/v2\/activity"}],"about":[{"href":"https:\/\/fairconditioning.org\/fc-activity\/wp-json\/wp\/v2\/types\/activity"}],"author":[{"embeddable":true,"href":"https:\/\/fairconditioning.org\/fc-activity\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fairconditioning.org\/fc-activity\/wp-json\/wp\/v2\/comments?post=2374"}],"version-history":[{"count":1,"href":"https:\/\/fairconditioning.org\/fc-activity\/wp-json\/wp\/v2\/activity\/2374\/revisions"}],"predecessor-version":[{"id":2376,"href":"https:\/\/fairconditioning.org\/fc-activity\/wp-json\/wp\/v2\/activity\/2374\/revisions\/2376"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/fairconditioning.org\/fc-activity\/wp-json\/wp\/v2\/media\/2375"}],"wp:attachment":[{"href":"https:\/\/fairconditioning.org\/fc-activity\/wp-json\/wp\/v2\/media?parent=2374"}],"wp:term":[{"taxonomy":"activity_subject","embeddable":true,"href":"https:\/\/fairconditioning.org\/fc-activity\/wp-json\/wp\/v2\/activity_subject?post=2374"},{"taxonomy":"academic_year","embeddable":true,"href":"https:\/\/fairconditioning.org\/fc-activity\/wp-json\/wp\/v2\/academic_year?post=2374"},{"taxonomy":"complexity","embeddable":true,"href":"https:\/\/fairconditioning.org\/fc-activity\/wp-json\/wp\/v2\/complexity?post=2374"},{"taxonomy":"content_tags","embeddable":true,"href":"https:\/\/fairconditioning.org\/fc-activity\/wp-json\/wp\/v2\/content_tags?post=2374"},{"taxonomy":"activity_type","embeddable":true,"href":"https:\/\/fairconditioning.org\/fc-activity\/wp-json\/wp\/v2\/activity_type?post=2374"},{"taxonomy":"activity_duration","embeddable":true,"href":"https:\/\/fairconditioning.org\/fc-activity\/wp-json\/wp\/v2\/activity_duration?post=2374"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}