{"id":1685,"date":"2012-06-14T20:47:29","date_gmt":"2012-06-14T20:47:29","guid":{"rendered":"http:\/\/astraea.net\/blog\/?p=1685"},"modified":"2012-06-14T20:53:10","modified_gmt":"2012-06-14T20:53:10","slug":"energy-basics","status":"publish","type":"post","link":"https:\/\/www.astraea.net\/blog\/energy-basics\/","title":{"rendered":"Energy Basics &#8211; a tonne of rain"},"content":{"rendered":"<p>I was trying to work out how much energy is stored in the rain falling on the roof and dripping down the gutters.\u00a0 Say a tonne of water for every 10 mm of rain.\u00a0 We had 65mm last week and it&#8217;s raining hard now.<\/p>\n<p>A tonne falling a metre gives about 10,000 joules or 7.8 kwh.<\/p>\n<p>I used Wikipedia for <a href=\"http:\/\/en.wikipedia.org\/wiki\/Joule\">the equation<\/a> but I came across this good primer: <a href=\"http:\/\/www.fao.org\/docrep\/u2246e\/u2246e02.htm#chapter%201%20%20%20basic%20energy%20concepts*\"><strong>Basic energy concepts <\/strong><\/a>from <a href=\"http:\/\/www.fao.org\/docrep\/u2246e\/u2246e00.htm#Contents\">Energy for sustainable rural development projects &#8211; <strong>Vol.1: <\/strong>A reader<\/a><\/p>\n<p>Enjoy!<\/p>\n","protected":false},"excerpt":{"rendered":"<p>I was trying to work out how much energy is stored in the rain falling on the roof and dripping down the gutters.\u00a0 Say a tonne of water for every 10 mm of rain.\u00a0 We had 65mm last week and it&#8217;s raining hard now. A tonne falling a metre gives about 10,000 joules or 7.8 &hellip;<br \/><a href=\"https:\/\/www.astraea.net\/blog\/energy-basics\/\" class=\"more-link pen_button pen_element_default pen_icon_arrow_double\">Continue reading <span class=\"screen-reader-text\">Energy Basics &#8211; a tonne of rain<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":false,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[9,32],"tags":[],"class_list":["post-1685","post","type-post","status-publish","format-standard","hentry","category-energy","category-mediaandgatherings"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/p4hwcd-rb","jetpack_likes_enabled":true,"_links":{"self":[{"href":"https:\/\/www.astraea.net\/blog\/wp-json\/wp\/v2\/posts\/1685","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.astraea.net\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.astraea.net\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.astraea.net\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.astraea.net\/blog\/wp-json\/wp\/v2\/comments?post=1685"}],"version-history":[{"count":3,"href":"https:\/\/www.astraea.net\/blog\/wp-json\/wp\/v2\/posts\/1685\/revisions"}],"predecessor-version":[{"id":1687,"href":"https:\/\/www.astraea.net\/blog\/wp-json\/wp\/v2\/posts\/1685\/revisions\/1687"}],"wp:attachment":[{"href":"https:\/\/www.astraea.net\/blog\/wp-json\/wp\/v2\/media?parent=1685"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.astraea.net\/blog\/wp-json\/wp\/v2\/categories?post=1685"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.astraea.net\/blog\/wp-json\/wp\/v2\/tags?post=1685"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}