{"id":159379,"date":"2015-12-16T03:00:00","date_gmt":"2015-12-16T00:00:00","guid":{"rendered":"http:\/\/www.fyysika.ee\/?guid=8e202ed4dd990751904ebebb786c03db"},"modified":"2015-12-16T03:00:00","modified_gmt":"2015-12-16T00:00:00","slug":"basic-ideas-and-concepts-in-hot-wire-anemometry-an-experimental-approach-for-introductory-physicsstudents","status":"publish","type":"post","link":"https:\/\/www.fyysika.ee\/?p=159379","title":{"rendered":"Basic ideas and concepts in hot wire anemometry: an experimental approach for introductory physics\r\nstudents"},"content":{"rendered":"<p>The purpose of hot wire anemometry is to measure the speed of an air stream. The classical method is<br \/>\nbased on the measure of the value of a temperature dependant resistor inserted in a Wheatstone<br \/>\nbridge (Lomas 1986 Fundamentals of Hot Wire Anemometry (Cambridge: Cambridge University Press)). In<br \/>\nthis paper we exhibit the physics behind this method and show that by using a wire whose resistance<br \/>\ndoes not vary on the field of temperature explored (from 20 \u00b0C to 200 \u00b0C), it is however possible to<br \/>\nmake accurate measurements. Finally, limitations of the method are discussed.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The purpose of hot wire anemometry is to measure the speed of an air stream. The classical method is<br \/>\nbased on the measure of the value of a temperature dependant resistor inserted in a Wheatstone<br \/>\nbridge (Lomas 1986 Fundamentals of Hot Wire Anemometry&#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-159379","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\/159379","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=159379"}],"version-history":[{"count":0,"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=\/wp\/v2\/posts\/159379\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=159379"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=159379"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=159379"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}