{"id":29932,"date":"2023-04-22T02:01:37","date_gmt":"2023-04-22T07:01:37","guid":{"rendered":"https:\/\/www.bjultrasonic.com\/how-ultrasonic-waves-are-generated\/"},"modified":"2025-01-21T06:33:35","modified_gmt":"2025-01-21T11:33:35","slug":"how-ultrasonic-waves-are-generated","status":"publish","type":"post","link":"https:\/\/www.bjultrasonic.com\/tr\/how-ultrasonic-waves-are-generated\/","title":{"rendered":"Ultrasonik Dalgalar\u0131n \u00dcretimi: Derinlemesine Bak\u0131\u015f"},"content":{"rendered":"<p>Ultrasonik dalgalar, insan kula\u011f\u0131n\u0131n alg\u0131layamayaca\u011f\u0131 kadar y\u00fcksek frekansl\u0131 ses dalgalar\u0131d\u0131r. Genellikle 20 kHz&#8217;in \u00fczerindeki frekanslara sahip olan bu dalgalar, t\u0131p, end\u00fcstri ve hatta g\u00fcnl\u00fck hayatta \u00e7e\u015fitli uygulamalarda kullan\u0131l\u0131r. Peki bu gizemli dalgalar nas\u0131l \u00fcretilir? Bu makalede, ultrasonik dalgalar\u0131n \u00fcretim y\u00f6ntemlerine detayl\u0131 bir \u015fekilde de\u011finece\u011fiz.<\/p>\n<h3>Piezoelektrik Etki<\/h3>\n<p>Ultrasonik dalgalar \u00fcretmek i\u00e7in en yayg\u0131n kullan\u0131lan y\u00f6ntemlerden biri piezoelektrik etkidir.  Piezoelektrik kristaller, \u00fczerlerine mekanik bas\u0131n\u00e7 uyguland\u0131\u011f\u0131nda elektrik y\u00fck\u00fc \u00fcretirler.  Tersine, bu kristallere elektrik voltaj\u0131 uyguland\u0131\u011f\u0131nda ise boyutlar\u0131nda bir de\u011fi\u015fiklik meydana gelir.  Bu \u00f6zellik, ultrasonik dalgalar \u00fcretmek i\u00e7in kullan\u0131l\u0131r. Kristale y\u00fcksek frekansl\u0131 bir elektrik ak\u0131m\u0131 uyguland\u0131\u011f\u0131nda, kristal ayn\u0131 frekansta titre\u015ferek ultrasonik dalgalar yayar.<\/p>\n<h3>Manyetostriksiyon<\/h3>\n<p>Manyetostriksiyon, baz\u0131 malzemelerin manyetik alana maruz kald\u0131klar\u0131nda boyutlar\u0131nda de\u011fi\u015fiklik g\u00f6stermesi prensibine dayan\u0131r.  Ferromanyetik malzemelerden yap\u0131lm\u0131\u015f bir \u00e7ubuk, de\u011fi\u015fken bir manyetik alana maruz b\u0131rak\u0131ld\u0131\u011f\u0131nda, \u00e7ubuk boyut olarak de\u011fi\u015fir ve ultrasonik frekanslarda titre\u015fir. Bu titre\u015fimler, ultrasonik dalgalar olarak ortama yay\u0131l\u0131r. Piezoelektrik y\u00f6nteme g\u00f6re daha d\u00fc\u015f\u00fck frekansl\u0131 ultrasonik dalgalar \u00fcretmek i\u00e7in uygundur.<\/p>\n<h3>Elektrostriksyon<\/h3>\n<p>Elektrostriksyon, piezoelektrik etkiye benzer bir prensiptir, ancak daha geni\u015f bir malzeme yelpazesinde g\u00f6zlemlenebilir.  Bu y\u00f6ntemde, dielektrik malzemeye elektrik alan\u0131 uyguland\u0131\u011f\u0131nda, malzemenin boyutlar\u0131nda bir de\u011fi\u015fiklik olur. Bu de\u011fi\u015fiklikler, y\u00fcksek frekansl\u0131 elektrik alanlar\u0131 kullan\u0131ld\u0131\u011f\u0131nda ultrasonik dalgalar \u00fcretebilir.<\/p>\n<h3>S\u0131v\u0131 Isl\u0131klar\u0131<\/h3>\n<p>S\u0131v\u0131 \u0131sl\u0131klar\u0131, y\u00fcksek h\u0131zl\u0131 bir s\u0131v\u0131 ak\u0131\u015f\u0131n\u0131n bir engele \u00e7arpmas\u0131 sonucu ultrasonik dalgalar \u00fcreten cihazlard\u0131r.  Bu y\u00f6ntem, genellikle y\u00fcksek g\u00fc\u00e7 ultrason uygulamalar\u0131nda kullan\u0131l\u0131r.  Dezavantaj\u0131, \u00fcretilen frekans\u0131n kontrol\u00fcn\u00fcn zor olmas\u0131 ve di\u011fer y\u00f6ntemlere g\u00f6re daha az verimli olmas\u0131d\u0131r.<\/p>\n<table class=\"table table-striped table-bordered\">\n<thead>\n<tr>\n<th>Y\u00f6ntem<\/th>\n<th>Frekans Aral\u0131\u011f\u0131<\/th>\n<th>G\u00fc\u00e7 Seviyesi<\/th>\n<th>Uygulamalar<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Piezoelektrik<\/td>\n<td>20 kHz &#8211; 10 MHz<\/td>\n<td>D\u00fc\u015f\u00fck &#8211; Orta<\/td>\n<td>T\u0131bbi g\u00f6r\u00fcnt\u00fcleme, temizlik, kaynak<\/td>\n<\/tr>\n<tr>\n<td>Manyetostriksiyon<\/td>\n<td>20 kHz &#8211; 100 kHz<\/td>\n<td>Orta &#8211; Y\u00fcksek<\/td>\n<td>Temizlik, kimyasal i\u015flemler<\/td>\n<\/tr>\n<tr>\n<td>Elektrostriksyon<\/td>\n<td>1 kHz &#8211; 10 MHz<\/td>\n<td>D\u00fc\u015f\u00fck &#8211; Orta<\/td>\n<td>Akt\u00fcat\u00f6rler, sens\u00f6rler<\/td>\n<\/tr>\n<tr>\n<td>S\u0131v\u0131 Isl\u0131klar\u0131<\/td>\n<td>20 kHz &#8211; 500 kHz<\/td>\n<td>Y\u00fcksek<\/td>\n<td>Y\u00fcksek g\u00fc\u00e7 ultrason, kimyasal i\u015flemler<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Sonu\u00e7 olarak, ultrasonik dalgalar\u0131n \u00fcretimi i\u00e7in farkl\u0131 y\u00f6ntemler mevcuttur. Her y\u00f6ntemin kendine \u00f6zg\u00fc avantajlar\u0131 ve dezavantajlar\u0131 vard\u0131r. Uygulamaya ba\u011fl\u0131 olarak, en uygun y\u00f6ntem se\u00e7ilerek verimli ve etkili bir \u015fekilde ultrasonik dalgalar \u00fcretilebilir. Piezoelektrik etki, yayg\u0131n kullan\u0131m\u0131 ve kontrol kolayl\u0131\u011f\u0131 nedeniyle g\u00fcn\u00fcm\u00fczde en pop\u00fcler y\u00f6ntem olmaya devam etmektedir.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Ultrasonik dalgalar, insan kula\u011f\u0131n\u0131n alg\u0131layamayaca\u011f\u0131 kadar y\u00fcksek frekansl\u0131 ses dalgalar\u0131d\u0131r. Genellikle 20 kHz&#8217;in \u00fczerindeki frekanslara sahip olan bu dalgalar, t\u0131p, end\u00fcstri ve hatta g\u00fcnl\u00fck hayatta \u00e7e\u015fitli uygulamalarda kullan\u0131l\u0131r. Peki bu gizemli dalgalar nas\u0131l \u00fcretilir? Bu makalede, ultrasonik dalgalar\u0131n \u00fcretim y\u00f6ntemlerine detayl\u0131 bir \u015fekilde de\u011finece\u011fiz. Piezoelektrik Etki Ultrasonik dalgalar \u00fcretmek i\u00e7in en yayg\u0131n kullan\u0131lan y\u00f6ntemlerden biri<\/p>\n","protected":false},"author":1,"featured_media":26473,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6410],"tags":[],"class_list":["post-29932","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","prodpage-classic"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.bjultrasonic.com\/tr\/wp-json\/wp\/v2\/posts\/29932","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.bjultrasonic.com\/tr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.bjultrasonic.com\/tr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/tr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/tr\/wp-json\/wp\/v2\/comments?post=29932"}],"version-history":[{"count":0,"href":"https:\/\/www.bjultrasonic.com\/tr\/wp-json\/wp\/v2\/posts\/29932\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/tr\/wp-json\/wp\/v2\/media\/26473"}],"wp:attachment":[{"href":"https:\/\/www.bjultrasonic.com\/tr\/wp-json\/wp\/v2\/media?parent=29932"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/tr\/wp-json\/wp\/v2\/categories?post=29932"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/tr\/wp-json\/wp\/v2\/tags?post=29932"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}