{"id":210,"date":"2013-12-29T16:10:37","date_gmt":"2013-12-29T16:10:37","guid":{"rendered":"http:\/\/blog.soton.ac.uk\/soundwaves\/?page_id=210"},"modified":"2014-01-24T12:34:25","modified_gmt":"2014-01-24T12:34:25","slug":"6-summary","status":"publish","type":"page","link":"https:\/\/blog.soton.ac.uk\/soundwaves\/standing-waves\/6-summary\/","title":{"rendered":"Summary"},"content":{"rendered":"<h4>The nature of standing waves<\/h4>\n<p><a href=\"http:\/\/blog.soton.ac.uk\/soundwaves\/files\/2013\/12\/Web-ST4.gif\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-211 alignright\" alt=\"Web-ST4\" src=\"http:\/\/blog.soton.ac.uk\/soundwaves\/files\/2013\/12\/Web-ST4.gif\" width=\"149\" height=\"113\" \/><\/a><br \/>\nStanding waves may be created from two waves travelling in opposite directions. Unlike travelling waves, they do not cause a net transport of energy.<\/p>\n<h4><\/h4>\n<h4><\/h4>\n<h4>String modes<\/h4>\n<p><a href=\"http:\/\/blog.soton.ac.uk\/soundwaves\/files\/2013\/12\/Web-ST5.gif\"><img loading=\"lazy\" decoding=\"async\" class=\"alignright size-full wp-image-212\" alt=\"Web-ST5\" src=\"http:\/\/blog.soton.ac.uk\/soundwaves\/files\/2013\/12\/Web-ST5.gif\" width=\"149\" height=\"113\" \/><\/a><br \/>\nStanding waves can be generated when plucking a string with fixed ends. Each mode has a wavelength and a corresponding frequency related to the length of the string.<\/p>\n<h4><\/h4>\n<h4><\/h4>\n<h4>Membrane modes<\/h4>\n<p><a href=\"http:\/\/blog.soton.ac.uk\/soundwaves\/files\/2013\/12\/thumbrect.png\"><img loading=\"lazy\" decoding=\"async\" class=\"size-thumbnail wp-image-213 alignright\" alt=\"thumbrect\" src=\"http:\/\/blog.soton.ac.uk\/soundwaves\/files\/2013\/12\/thumbrect-150x150.png\" width=\"150\" height=\"150\" \/><\/a><br \/>\nMembranes with fixed edges also vibrate in modes. Their natural frequencies are not so simply related.<\/p>\n<h4><\/h4>\n<h4><\/h4>\n<h4><\/h4>\n<h4>Open-ended pipe<\/h4>\n<p>The natural vibrations of the air column in a pipe (like a flute) are due to standing waves or resonances. Air-reed instruments like the flute can be seen as a resonator excited by an air stream which flips in and out of the pipe at the resonant frequency of the system.<\/p>\n<h4>Room modes<\/h4>\n<p><a href=\"http:\/\/blog.soton.ac.uk\/soundwaves\/files\/2013\/12\/Web-ST6.gif\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/blog.soton.ac.uk\/soundwaves\/files\/2013\/12\/Web-ST6.gif\" alt=\"Web-ST6\" width=\"149\" height=\"113\" class=\"alignright size-full wp-image-214\" \/><\/a><br \/>\nStanding wave phenomena can also occur in a room at specific frequencies called the resonance frequencies of the room.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The nature of standing waves Standing waves may be created from two waves travelling in opposite directions. Unlike travelling waves, they do not cause a net transport of energy. String modes Standing waves can be generated when plucking a string with fixed ends. Each mode has a wavelength and a corresponding frequency related to the [&hellip;]<\/p>\n","protected":false},"author":75333,"featured_media":0,"parent":62,"menu_order":6,"comment_status":"open","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-210","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/blog.soton.ac.uk\/soundwaves\/wp-json\/wp\/v2\/pages\/210","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.soton.ac.uk\/soundwaves\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/blog.soton.ac.uk\/soundwaves\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/blog.soton.ac.uk\/soundwaves\/wp-json\/wp\/v2\/users\/75333"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.soton.ac.uk\/soundwaves\/wp-json\/wp\/v2\/comments?post=210"}],"version-history":[{"count":2,"href":"https:\/\/blog.soton.ac.uk\/soundwaves\/wp-json\/wp\/v2\/pages\/210\/revisions"}],"predecessor-version":[{"id":345,"href":"https:\/\/blog.soton.ac.uk\/soundwaves\/wp-json\/wp\/v2\/pages\/210\/revisions\/345"}],"up":[{"embeddable":true,"href":"https:\/\/blog.soton.ac.uk\/soundwaves\/wp-json\/wp\/v2\/pages\/62"}],"wp:attachment":[{"href":"https:\/\/blog.soton.ac.uk\/soundwaves\/wp-json\/wp\/v2\/media?parent=210"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}