{"id":336,"date":"2017-02-03T09:25:26","date_gmt":"2017-02-03T07:25:26","guid":{"rendered":"http:\/\/www.teknoconvey.com\/blog\/?p=336"},"modified":"2024-11-20T23:29:52","modified_gmt":"2024-11-20T20:29:52","slug":"pnomatik-tasima-hacimsel-akis-oranlari","status":"publish","type":"post","link":"http:\/\/www.teknoconvey.com\/blog\/2017\/02\/03\/pnomatik-tasima-hacimsel-akis-oranlari\/","title":{"rendered":"Pn\u00f6matik Ta\u015f\u0131ma Hacimsel Ak\u0131\u015f Oranlar\u0131"},"content":{"rendered":"

M3 \/ s cinsinden hacimsel ak\u0131\u015f oran\u0131, temel SI (uluslar aras\u0131 \u00f6l\u00e7\u00fc) \u00a0birimi oldu\u011fu i\u00e7in sunulan t\u00fcm matematiksel modeller i\u00e7in se\u00e7ilmi\u015ftir. Bununla birlikte, grafikler \u00fczerinde m3 \/ dk kullan\u0131lm\u0131\u015ft\u0131r \u00e7\u00fcnk\u00fc blowerlar ve kompres\u00f6rler i\u00e7in ticaret literat\u00fcr\u00fcnde daha geni\u015f bir \u015fekilde al\u0131nt\u0131 yap\u0131lm\u0131\u015ft\u0131r. Di\u011fer birimler i\u00e7in m3 \/ s’ ye ve bu orandan itibaren d\u00f6n\u00fc\u015ft\u00fcrme fakt\u00f6rleri Tablo \u00a01’de verilmektedir. Di\u011fer y\u00f6nden d\u00f6n\u00fc\u015f\u00fcm yapmak i\u00e7in Tablo \u00a01’de verilen rakamlarla b\u00f6l\u00fcn. Bu husus bir sonraki yaz\u0131m\u0131zda da\u00a0ele al\u0131nacakt\u0131r.<\/p>\n

Tablo 1 Hava ak\u0131\u015f oranlar\u0131 i\u00e7in d\u00f6n\u00fc\u015f\u00fcm fakt\u00f6rleri<\/strong><\/p>\n

M3 \/ s \u00e7arp\u0131\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Elde edilen<\/strong><\/p>\n

60 \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 m3\/dakika<\/p>\n

1000 \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 l\/s<\/p>\n

1.225*\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 kg\/s<\/p>\n

73.53* \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 kg\/dakika<\/p>\n

35.31 \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 ft3\/s<\/p>\n

2119 \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 ft3dakika (cfm)<\/p>\n

2.701* \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 lb\/s<\/p>\n

162.1* \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 lb\/dakika<\/p>\n

* Bir hacimden k\u00fctleye d\u00f6n\u00fc\u015f\u00fcm oldu\u011fu zaman, d\u00f6n\u00fc\u015f\u00fcm s\u0131cakl\u0131\u011f\u0131n ve bas\u0131nc\u0131n serbest hava ko\u015fullar\u0131na dayan\u0131r ve verilen de\u011ferler sadece hava ile ilgilidir.<\/em><\/p>\n

Denklemlerin Sunumu<\/strong><\/p>\n

Takip eden denklemlerin b\u00fcy\u00fck bir \u00e7o\u011funlu\u011fu hem hacimsel ak\u0131\u015f h\u0131z\u0131 hem de ta\u015f\u0131ma h\u0131z\u0131 olarak sunulmaktad\u0131r. Bunun nedeni, hem gelecekteki sistemlerin tasar\u0131m\u0131 hem de mevcut sistemlerin \u00e7al\u0131\u015fmas\u0131n\u0131 denetlemek i\u00e7in kullan\u0131labilecek modeller sunma ihtiyac\u0131d\u0131r. Bir sistemin tasar\u0131m\u0131nda, genellikle bir boru deli\u011fi ile birlikte ta\u015f\u0131ma havas\u0131 h\u0131z\u0131n\u0131n spesifik bir de\u011feri \u00f6nerilir ve \u00fcfleyici veya kompres\u00f6r\u00fcn spesifikasyonu i\u00e7in gereken hacimsel ak\u0131\u015f oran\u0131n\u0131n de\u011feri olur. Mevcut bir sistemi kontrol etmek i\u00e7in, genellikle belirli ko\u015fullar i\u00e7in ta\u015f\u0131y\u0131c\u0131 hava h\u0131z\u0131n\u0131 belirlemek gerekir. Hava gereksinimlerinin de\u011ferlendirilmesi ve hava h\u0131zlar\u0131n\u0131n ta\u015f\u0131nmas\u0131 i\u00e7in uygun modellerin sa\u011flanmas\u0131na ek olarak, bu modellerin grafik g\u00f6sterimi de sunulmu\u015ftur. Programlanabilir hesap makineleri ve bilgisayarlar ile bu \u00a0gibi modeller olduk\u00e7a kolay ve h\u0131zl\u0131 bir \u015fekilde i\u015flenebilir. Bununla birlikte, grafikler \u00e7e\u015fitli parametrelerin g\u00f6reli etkilerini g\u00f6rsel olarak g\u00f6sterme avantaj\u0131na sahiptir ve baz\u0131 durumlarda belirli i\u015flemleri g\u00f6stermek i\u00e7in \u00e7ok etkili bir \u015fekilde kullan\u0131labilir.<\/p>\n

Boru Deli\u011finin Etkisi<\/strong><\/p>\n

Bir boru hatt\u0131n\u0131n \u00e7ap\u0131 muhtemelen herhangi bir tek parametrenin hacimsel ak\u0131\u015f oran\u0131 \u00fczerindeki en \u00f6nemli etkisine sahiptir. Bir boru hatt\u0131ndaki hacimsel ak\u0131\u015f h\u0131z\u0131 boru hatt\u0131ndaki belirli bir noktadaki ortalama ak\u0131\u015f h\u0131z\u0131na ve boru kesit alan\u0131na ba\u011fl\u0131d\u0131r. \u0130li\u015fki:<\/p>\n

V = C X A<\/p>\n

(M \/ s) ve A dairesel bir boru i\u00e7in boru kesit alan\u0131 (m2) _ _2 \/ 4’t\u00fcr; burada d boru deli\u011fidir (M) \u00f6yle ki<\/p>\n

\"\"<\/p>\n

Yukar\u0131daki modellerin grafik g\u00f6sterimi \u015eekil \u00a02’de g\u00f6sterilmi\u015ftir. Bu, farkl\u0131 hava b\u00fcy\u00fckl\u00fckleri aras\u0131ndaki ili\u015fkiyi temsil eden bir dizi \u00e7izgiyle, hava h\u0131z\u0131na kar\u015f\u0131 hacimsel hava ak\u0131\u015f oran\u0131n\u0131n bir grafi\u011fidir. Seyrek faz ta\u015f\u0131y\u0131c\u0131s\u0131ndaki<\/a> minimum h\u0131z\u0131n iki ucunu ve seyreltik faz ta\u015f\u0131yan maksimum h\u0131z\u0131 kapsayacak \u015fekilde, yakla\u015f\u0131k 2 ila 40 m \/ s aras\u0131ndaki hava h\u0131zlar\u0131n\u0131 iletmek i\u00e7in d\u00fc\u015f\u00fcn\u00fclm\u00fc\u015ft\u00fcr. Boru hatt\u0131 e\u011frileri ailesiyle birlikte bu do\u011frusal bir ili\u015fkidir.<\/p>\n

\"\"<\/p>\n

\u015eekil 2 Hava h\u0131z\u0131 ve boru hatt\u0131n\u0131n hacimsel ak\u0131\u015f h\u0131z\u0131 \u00fczerindeki etkisi.<\/strong><\/p>\n

 <\/p>\n

Referans Ko\u015fullar\u0131<\/strong><\/p>\n

Bu grafikteki hacimsel ak\u0131\u015f oran\u0131n\u0131n herhangi bir referans ko\u015fuluyla ilgisi olmad\u0131\u011f\u0131n\u0131 unutmamal\u0131s\u0131n\u0131z. Herhangi bir hava bas\u0131nc\u0131 ve s\u0131cakl\u0131k ko\u015fulunda ger\u00e7ek ak\u0131\u015f h\u0131z\u0131d\u0131r. Denklemler, belirli bir boru boyutunda belirli bir ak\u0131\u015f h\u0131z\u0131 i\u00e7in elde edilen h\u0131z\u0131 belirlemek veya h\u0131z ve boru boyutunu bilen gerekli hacimsel ak\u0131\u015f oran\u0131n\u0131 belirlemek i\u00e7in kullan\u0131labilir. \u00dcfleyiciler ve kompres\u00f6rler genellikle ‘serbest hava teslimat\u0131’ a\u00e7\u0131s\u0131ndan derecelendirilir. Bu, hacimsel ak\u0131\u015f oran\u0131n\u0131n, referans ama\u00e7lar i\u00e7in ortam ko\u015fullar\u0131yla ili\u015fkili oldu\u011fu anlam\u0131na gelir – genellikle 1.013 bar mutlak bas\u0131n\u00e7 ve 15 \u00b0 C s\u0131cakl\u0131kta (288 K). Bas\u0131n\u00e7 ve s\u0131cakl\u0131\u011f\u0131n hacimsel ak\u0131\u015f h\u0131z\u0131 ve dolay\u0131s\u0131yla h\u0131z\u0131 \u00fczerindeki etkisi a\u015fa\u011f\u0131daki b\u00f6l\u00fcmlerde ele al\u0131nmaktad\u0131r.<\/p>\n

Boru Hatt\u0131 Etkileri<\/strong><\/p>\n

Bir ta\u015f\u0131ma hatt\u0131n\u0131n ba\u015flang\u0131c\u0131ndaki hava, hava ve malzeme ak\u0131\u015f\u0131 i\u00e7in gerekli olan bas\u0131n\u00e7 d\u00fc\u015f\u00fc\u015f\u00fc nedeniyle her zaman hatt\u0131n ucundan daha y\u00fcksek bir bas\u0131n\u00e7ta olacakt\u0131r. Yo\u011funluk bas\u0131n\u00e7 d\u00fc\u015f\u00fc\u015f\u00fc ile azal\u0131r ve bu nedenle, sabit bir boru hatt\u0131nda hava h\u0131z\u0131 boru hatt\u0131n\u0131n ba\u015flang\u0131c\u0131ndan sonuna kademeli olarak artacakt\u0131r. Hava k\u00fctle ak\u0131\u015f\u0131 bir boru hatt\u0131 boyunca herhangi bir kesitte sabit kalacakt\u0131r, ancak hava \u00fcfleme ve kompres\u00f6rlerin derecelendirmesi genellikle hacimsel ak\u0131\u015f oran\u0131 terimleriyle ifade edildi\u011finden, hava k\u00fctle ak\u0131\u015f h\u0131z\u0131 bilgisi bu durumda \u00e7ok az de\u011ferdedir.<\/p>\n","protected":false},"excerpt":{"rendered":"

M3 \/ s cinsinden hacimsel ak\u0131\u015f oran\u0131, temel SI (uluslar aras\u0131 \u00f6l\u00e7\u00fc) \u00a0birimi oldu\u011fu i\u00e7in sunulan t\u00fcm matematiksel modeller i\u00e7in se\u00e7ilmi\u015ftir. Bununla birlikte, grafikler \u00fczerinde m3 \/ dk kullan\u0131lm\u0131\u015ft\u0131r \u00e7\u00fcnk\u00fc blowerlar ve kompres\u00f6rler i\u00e7in ticaret literat\u00fcr\u00fcnde daha geni\u015f bir \u015fekilde al\u0131nt\u0131 yap\u0131lm\u0131\u015ft\u0131r. Di\u011fer birimler i\u00e7in m3 \/ s’ ye ve bu orandan itibaren d\u00f6n\u00fc\u015ft\u00fcrme fakt\u00f6rleri Tablo \u00a01’de verilmektedir. Di\u011fer y\u00f6nden […]<\/p>\n","protected":false},"author":1,"featured_media":338,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[1],"tags":[],"_links":{"self":[{"href":"http:\/\/www.teknoconvey.com\/blog\/wp-json\/wp\/v2\/posts\/336"}],"collection":[{"href":"http:\/\/www.teknoconvey.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.teknoconvey.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.teknoconvey.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.teknoconvey.com\/blog\/wp-json\/wp\/v2\/comments?post=336"}],"version-history":[{"count":1,"href":"http:\/\/www.teknoconvey.com\/blog\/wp-json\/wp\/v2\/posts\/336\/revisions"}],"predecessor-version":[{"id":339,"href":"http:\/\/www.teknoconvey.com\/blog\/wp-json\/wp\/v2\/posts\/336\/revisions\/339"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/www.teknoconvey.com\/blog\/wp-json\/wp\/v2\/media\/338"}],"wp:attachment":[{"href":"http:\/\/www.teknoconvey.com\/blog\/wp-json\/wp\/v2\/media?parent=336"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.teknoconvey.com\/blog\/wp-json\/wp\/v2\/categories?post=336"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.teknoconvey.com\/blog\/wp-json\/wp\/v2\/tags?post=336"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}