{"id":440589,"date":"2017-08-17T02:00:00","date_gmt":"2017-08-16T23:00:00","guid":{"rendered":"https:\/\/www.fyysika.ee\/?guid=f6b18cfee6775b6409479563891eccc1"},"modified":"2017-08-17T02:00:00","modified_gmt":"2017-08-16T23:00:00","slug":"visualisation-of-charge-dynamics-when-water-droplets-move-off-a-hydrophobic-surface-2","status":"publish","type":"post","link":"https:\/\/www.fyysika.ee\/?p=440589","title":{"rendered":"Visualisation of charge dynamics when water droplets move off a hydrophobic surface"},"content":{"rendered":"<p>The Kelvin water drop generator is often used for educational purposes to visualise how charge is<br \/>\ntransferred when water drops separate from a solid. Here, we discuss an alternative and simpler<br \/>\nsetup, which allows one to visualise the charge transfer that occurs when water drops move off a<br \/>\nhydrophobic polymer. One can visualise the charge transfer directly as light pulses from a light<br \/>\nemitting diode, or monitor the current pulses generated by the water drops. Further investigation of<br \/>\nthe current pulses provides information about how single water droplets or fluctuating streams move<br \/>\ndown the incline.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The Kelvin water drop generator is often used for educational purposes to visualise how charge is<br \/>\ntransferred when water drops separate from a solid. Here, we discuss an alternative and simpler<br \/>\nsetup, which allows one to visualise the charge transfer&#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_genesis_hide_title":false,"_genesis_hide_breadcrumbs":false,"_genesis_hide_singular_image":false,"_genesis_hide_footer_widgets":false,"_genesis_custom_body_class":"","_genesis_custom_post_class":"","_genesis_layout":"","footnotes":""},"categories":[178],"tags":[],"class_list":{"0":"post-440589","1":"post","2":"type-post","3":"status-publish","4":"format-standard","6":"category-rss-fuusikaharidus","7":"entry"},"_links":{"self":[{"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=\/wp\/v2\/posts\/440589","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=440589"}],"version-history":[{"count":0,"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=\/wp\/v2\/posts\/440589\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=440589"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=440589"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=440589"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}