{"id":2463,"date":"2023-06-14T07:42:13","date_gmt":"2023-06-14T07:42:13","guid":{"rendered":"https:\/\/fairconditioning.org\/fc-activity\/?post_type=activity&#038;p=2463"},"modified":"2023-06-28T05:19:29","modified_gmt":"2023-06-28T05:19:29","slug":"evaporative-cooling-effect-from-a-wet-cloth","status":"publish","type":"activity","link":"https:\/\/fairconditioning.org\/fc-activity\/activity\/evaporative-cooling-effect-from-a-wet-cloth\/","title":{"rendered":"Evaporative Cooling Effect from a Wet Cloth"},"content":{"rendered":"\n<div class=\"wp-block-columns is-layout-flex wp-container-2\">\n<div class=\"wp-block-column is-layout-flow\">\n<h5 class=\"wp-block-heading\">Objective:<\/h5>\n\n\n\n<p>To experience the evaporative cooling effect from a wet cloth.<\/p>\n\n\n\n<h5 class=\"wp-block-heading\">Outcome:<\/h5>\n\n\n\n<p><strong><em>&nbsp;<\/em><\/strong>Students will comprehend the cooling effect from evaporative coolers.<\/p>\n\n\n\n<h5 class=\"wp-block-heading\">Requirements:<\/h5>\n\n\n\n<p>a wet cloth, sling psychrometer.<\/p>\n\n\n\n<h5 class=\"wp-block-heading\">Prerequisites:<\/h5>\n\n\n\n<ul>\n<li>A conceptual knowledge of evaporative cooling.<\/li>\n\n\n\n<li>A knowledge of how to use a sling psychrometer.<\/li>\n<\/ul>\n\n\n\n<h5 class=\"wp-block-heading\">Procedure:<\/h5>\n\n\n\n<p><strong><em>Step 1: <\/em><\/strong>Bring a wet cloth to the classroom.<strong><em>&nbsp;<\/em><\/strong><\/p>\n\n\n\n<p><strong><em>Step 2: <\/em><\/strong>Two students hold the wet cloth beneath the ceiling fan.<\/p>\n\n\n\n<p><strong><em>Step 3: <\/em><\/strong>Each student experiences the air quality and the cooling effect by standing beneath the wet cloth.&nbsp;<\/p>\n\n\n\n<p><strong><em>Step 4: <\/em><\/strong>Conduct wet bulb and dry bulb temperature measurements of ambient air using a sling psychrometer.<\/p>\n\n\n\n<p><strong><em>Step 5:<\/em><\/strong> After 10 minutes, conduct wet bulb and dry bulb temperature measurements of evaporatively cooled air (air between the cloth and student) using a sling psychrometer.<\/p>\n\n\n\n<p><strong><em>Step 6:<\/em><\/strong> Tabulate all the values (as shown below) and compare them<\/p>\n\n\n\n<p><strong><em>Table:&nbsp;<\/em><\/strong><\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td colspan=\"2\"><strong><em>Ambient Temperature (\u2103)<\/em><\/strong><\/td><td colspan=\"2\"><strong><em>Evaporatively Cooled Air (\u2103)<\/em><\/strong><\/td><\/tr><tr><td><strong><em>Dry Bulb<\/em><\/strong><\/td><td><strong><em>Wet Bulb<\/em><\/strong><\/td><td><strong><em>Dry Bulb<\/em><\/strong><\/td><td><strong><em>Wet Bulb<\/em><\/strong><\/td><\/tr><tr><td><\/td><td><\/td><td><\/td><td><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h5 class=\"wp-block-heading\">References:<\/h5>\n\n\n\n<p>For more on Evaporative Cooling, refer Fairconditioning\u2019s Sustainable Cooling Technologies presentation:<\/p>\n\n\n\n<p><a href=\"http:\/\/www.fairconditioning.org\/resources\/#126-module-ppts-1478947081\">http:\/\/www.fairconditioning.org\/resources\/#126-module-ppts-1478947081<\/a><\/p>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Objective: To experience the evaporative cooling effect from a wet cloth. Outcome: &nbsp;Students will comprehend the cooling effect from evaporative coolers. Requirements: a wet cloth, sling psychrometer. Prerequisites: Procedure: Step 1: Bring a wet cloth to the classroom.&nbsp; Step 2: Two students hold the wet cloth beneath the ceiling fan. Step 3: Each student experiences [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","template":"","meta":{"inline_featured_image":false},"activity_subject":[125],"academic_year":[68],"complexity":[59],"content_tags":[425,440,494],"activity_type":[363],"activity_duration":[173],"acf":[],"_links":{"self":[{"href":"https:\/\/fairconditioning.org\/fc-activity\/wp-json\/wp\/v2\/activity\/2463"}],"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=2463"}],"version-history":[{"count":2,"href":"https:\/\/fairconditioning.org\/fc-activity\/wp-json\/wp\/v2\/activity\/2463\/revisions"}],"predecessor-version":[{"id":2729,"href":"https:\/\/fairconditioning.org\/fc-activity\/wp-json\/wp\/v2\/activity\/2463\/revisions\/2729"}],"wp:attachment":[{"href":"https:\/\/fairconditioning.org\/fc-activity\/wp-json\/wp\/v2\/media?parent=2463"}],"wp:term":[{"taxonomy":"activity_subject","embeddable":true,"href":"https:\/\/fairconditioning.org\/fc-activity\/wp-json\/wp\/v2\/activity_subject?post=2463"},{"taxonomy":"academic_year","embeddable":true,"href":"https:\/\/fairconditioning.org\/fc-activity\/wp-json\/wp\/v2\/academic_year?post=2463"},{"taxonomy":"complexity","embeddable":true,"href":"https:\/\/fairconditioning.org\/fc-activity\/wp-json\/wp\/v2\/complexity?post=2463"},{"taxonomy":"content_tags","embeddable":true,"href":"https:\/\/fairconditioning.org\/fc-activity\/wp-json\/wp\/v2\/content_tags?post=2463"},{"taxonomy":"activity_type","embeddable":true,"href":"https:\/\/fairconditioning.org\/fc-activity\/wp-json\/wp\/v2\/activity_type?post=2463"},{"taxonomy":"activity_duration","embeddable":true,"href":"https:\/\/fairconditioning.org\/fc-activity\/wp-json\/wp\/v2\/activity_duration?post=2463"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}