Bas\u0131n\u00e7 \u00f6l\u00e7\u00fcm\u00fc bir\u00e7ok proseste kritik \u00f6neme sahiptir ve bir\u00e7ok end\u00fcstride gereklidir. Bas\u0131n\u00e7 ve vakumu (negatif bas\u0131n\u00e7) \u00f6l\u00e7mek i\u00e7in kullan\u0131lan bir\u00e7ok teknik vard\u0131r. Bas\u0131nc\u0131 \u00f6l\u00e7mek i\u00e7in kullan\u0131lan aletlere manometre, anahtar ve verici denir.<\/p>\n\n\n\n
Ak\u0131\u015fkan bas\u0131nc\u0131, y\u00fczeye dik olarak bir y\u00fczey birimi ba\u015f\u0131na uygulanan kuvvetin \u00f6l\u00e7\u00fcs\u00fc olarak tan\u0131mlan\u0131r. \u0130ngiliz sisteminde bas\u0131n\u00e7 \u00f6l\u00e7\u00fcm\u00fc i\u00e7in standart \u00f6l\u00e7\u00fc birimi PSI<\/b>veya in\u00e7 kare ba\u015f\u0131na pound. Metrik sistemi kullanan \u00fclkelerde Paskal (Pa)<\/u> ya da Newton\/metre<\/u> (N\/m2) kullan\u0131l\u0131r.<\/p>\n\n\n\n\n\n
Bas\u0131n\u00e7 \u00f6l\u00e7\u00fcm\u00fcn\u00fcn (Wikipedia taraf\u0131ndan) \u015fu \u015fekilde tan\u0131mlanan \u00fc\u00e7 alt kategorisi vard\u0131r:<\/p>\n\n\n\n
En yayg\u0131n bas\u0131n\u00e7 referans\u0131, bas\u0131n\u00e7 biriminden sonra "g" harfiyle g\u00f6sterilen g\u00f6sterge bas\u0131nc\u0131d\u0131r, \u00f6rne\u011fin 30 psig. G\u00f6sterge bas\u0131nc\u0131, ortam\u0131n atmosferik bas\u0131nc\u0131na g\u00f6re \u00f6l\u00e7\u00fcl\u00fcr. Hava ko\u015fullar\u0131na veya rak\u0131ma ba\u011fl\u0131 olarak atmosferik bas\u0131n\u00e7ta meydana gelen de\u011fi\u015fiklikler, g\u00f6sterge bas\u0131n\u00e7 sens\u00f6r\u00fcn\u00fcn \u00e7\u0131k\u0131\u015f\u0131n\u0131 do\u011frudan etkiler. Ortam bas\u0131nc\u0131ndan daha y\u00fcksek bir g\u00f6sterge bas\u0131nc\u0131na pozitif bas\u0131n\u00e7 denir. \u00d6l\u00e7\u00fclen bas\u0131n\u00e7 atmosfer bas\u0131nc\u0131n\u0131n alt\u0131ndaysa buna negatif veya vakum g\u00f6sterge bas\u0131nc\u0131 denir.<\/p>\n\n\n\n
G\u00f6sterge bas\u0131n\u00e7 sens\u00f6rlerinde genellikle yaln\u0131zca bir bas\u0131n\u00e7 portu bulunur. Ortam hava bas\u0131nc\u0131, bir havaland\u0131rma deli\u011fi veya havaland\u0131rma t\u00fcp\u00fc yoluyla alg\u0131lama eleman\u0131n\u0131n arkas\u0131na y\u00f6nlendirilir. Havaland\u0131rmal\u0131 bir g\u00f6sterge bas\u0131n\u00e7 vericisi, d\u0131\u015f hava bas\u0131nc\u0131n\u0131n bas\u0131n\u00e7 alg\u0131lama diyafram\u0131n\u0131n negatif taraf\u0131na maruz b\u0131rak\u0131lmas\u0131na olanak tan\u0131r, b\u00f6ylece her zaman ortam barometrik bas\u0131nc\u0131na g\u00f6re \u00f6l\u00e7\u00fcm yapar. Bu nedenle, havaland\u0131rmal\u0131 bir g\u00f6sterge bas\u0131n\u00e7 sens\u00f6r\u00fc, proses bas\u0131n\u00e7 ba\u011flant\u0131s\u0131 atmosferik havaya a\u00e7\u0131k tutuldu\u011funda s\u0131f\u0131r bas\u0131nc\u0131 okur.<\/p>\n\n\n\n
Kapal\u0131 bir g\u00f6sterge referans\u0131, atmosferik bas\u0131nc\u0131n diyafram\u0131n negatif taraf\u0131nda m\u00fch\u00fcrlenmesi d\u0131\u015f\u0131nda \u00e7ok benzerdir. Bu genellikle atmosferik bas\u0131n\u00e7 de\u011fi\u015fikliklerinin sens\u00f6r\u00fcn do\u011frulu\u011fu \u00fczerinde yaln\u0131zca k\u00fc\u00e7\u00fck bir etkiye sahip olaca\u011f\u0131 hidrolik bas\u0131n\u00e7lar\u0131n \u00f6l\u00e7\u00fclmesi gibi y\u00fcksek bas\u0131n\u00e7 uygulamalar\u0131nda benimsenir. Kapal\u0131 g\u00f6sterge bas\u0131nc\u0131n\u0131n tan\u0131m\u0131, s\u0131f\u0131r noktas\u0131n\u0131n ayarland\u0131\u011f\u0131 kapal\u0131 bir cihaz arac\u0131l\u0131\u011f\u0131yla \u00f6l\u00e7\u00fclen bas\u0131n\u00e7t\u0131r. Bu ayar noktas\u0131, m\u00fch\u00fcrlemeden \u00f6nce cihaz\u0131n i\u00e7indeki bas\u0131n\u00e7 ne olursa olsun, m\u00fch\u00fcrl\u00fc bas\u0131n\u00e7 g\u00f6stergesi \u00fcreticisinin karar verdi\u011fi noktad\u0131r.<\/p>\n\n\n\n
Mutlak bas\u0131n\u00e7, g\u00f6sterge bas\u0131nc\u0131 art\u0131 atmosfer bas\u0131nc\u0131d\u0131r. S\u0131f\u0131r de\u011ferindeki mutlak bas\u0131n\u00e7 de\u011feri yaln\u0131zca m\u00fckemmel bir vakumda elde edilebilir ve yaln\u0131zca do\u011fal olarak uzayda meydana gelir. Atmosfer bas\u0131nc\u0131n\u0131n s\u00fcrekli de\u011fi\u015fti\u011fi bir ortamda bas\u0131nc\u0131 \u00f6l\u00e7mek istiyorsan\u0131z mutlak in\u00e7 kare ba\u015f\u0131na pound (PSIA) cinsinden \u00f6l\u00e7\u00fcm yapmak isteyeceksiniz. Mutlak bas\u0131n\u00e7 \u00f6l\u00e7\u00fcmlerinin en yayg\u0131n kullan\u0131mlar\u0131ndan biri hava durumunu anlamak ve tahmin etmektir. Mutlak bas\u0131n\u00e7 \u00f6l\u00e7\u00fcmleri ayn\u0131 zamanda g\u0131da paketleme, havac\u0131l\u0131k ekipmanlar\u0131 ve gaz analiz sistemlerinde de kullan\u0131lmaktad\u0131r.<\/p>\n\n\n\n
Fark bas\u0131nc\u0131 (DP veya \u2206P), iki bas\u0131n\u00e7 noktas\u0131 aras\u0131ndaki bas\u0131n\u00e7 fark\u0131d\u0131r. Bir okuma olu\u015fturmak i\u00e7in iki bas\u0131n\u00e7tan biri di\u011ferinden daha y\u00fcksek veya daha d\u00fc\u015f\u00fckt\u00fcr. E\u011fer bunlar ayn\u0131ysa, herhangi bir bas\u0131n\u00e7 okumas\u0131 olu\u015fturulmayacakt\u0131r.<\/p>\n\n\n\n
Yukar\u0131da tart\u0131\u015f\u0131ld\u0131\u011f\u0131 gibi bas\u0131nca mutlak bas\u0131n\u00e7 denir. \u00c7o\u011fu zaman mutlak bas\u0131n\u00e7 ile g\u00f6sterge bas\u0131nc\u0131 aras\u0131nda ayr\u0131m yapmak \u00f6nemli olacakt\u0131r. Bu yaz\u0131da bas\u0131n\u00e7 terimi, aksi a\u00e7\u0131k\u00e7a belirtilmedik\u00e7e mutlak bask\u0131y\u0131 ifade etmektedir. Ancak m\u00fchendislikte s\u0131kl\u0131kla baz\u0131 cihazlar taraf\u0131ndan \u00f6l\u00e7\u00fclen bas\u0131n\u00e7larla u\u011fra\u015f\u0131r\u0131z. Termodinamik ili\u015fkilerde mutlak bas\u0131n\u00e7lar\u0131n kullan\u0131lmas\u0131 gerekse de, bas\u0131n\u00e7 \u00f6l\u00e7\u00fcm cihazlar\u0131 s\u0131kl\u0131kla bir sistemdeki mutlak bas\u0131n\u00e7 ile \u00f6l\u00e7\u00fcm cihaz\u0131n\u0131n d\u0131\u015f\u0131nda mevcut olan atmosferin mutlak bas\u0131nc\u0131 aras\u0131ndaki fark\u0131 g\u00f6sterir. G\u00f6sterge bas\u0131nc\u0131n\u0131 \u00f6l\u00e7erler.<\/p>\n\n\n\n
Mutlak Bas\u0131n\u00e7. Bas\u0131n\u00e7 m\u00fckemmel bir vakuma g\u00f6re \u00f6l\u00e7\u00fcld\u00fc\u011f\u00fcnde buna mutlak bas\u0131n\u00e7 (psia) ad\u0131 verilir. \u0130n\u00e7 kare ba\u015f\u0131na pound mutlak (psia), bas\u0131nc\u0131n ortam\u0131n atmosferik bas\u0131nc\u0131ndan ziyade bir vakuma g\u00f6re oldu\u011funu a\u00e7\u0131kl\u0131\u011fa kavu\u015fturmak i\u00e7in kullan\u0131l\u0131r. Deniz seviyesindeki atmosferik bas\u0131n\u00e7 yakla\u015f\u0131k 101,3 kPa (14,7 psi) oldu\u011fundan, bu, deniz seviyesinde havada yap\u0131lan herhangi bir bas\u0131n\u00e7 de\u011ferine eklenecektir.<\/p>\n\n\n\n
G\u00f6sterge bas\u0131nc\u0131. Bas\u0131n\u00e7, atmosfer bas\u0131nc\u0131na (14,7 psi), g\u00f6sterge bas\u0131nc\u0131na (psig) g\u00f6re \u00f6l\u00e7\u00fcld\u00fc\u011f\u00fcnde, sistemdeki bas\u0131n\u00e7 yerel atmosfer bas\u0131nc\u0131ndan (patm) daha b\u00fcy\u00fck oldu\u011funda g\u00f6sterge bas\u0131nc\u0131 terimi uygulan\u0131r. \u0130kinci bas\u0131n\u00e7 \u00f6l\u00e7e\u011fi geli\u015ftirildi \u00e7\u00fcnk\u00fc neredeyse t\u00fcm bas\u0131n\u00e7 g\u00f6stergeleri atmosfere a\u00e7\u0131kken s\u0131f\u0131r\u0131 g\u00f6steriyor. G\u00f6sterge bas\u0131n\u00e7lar\u0131, atmosfer bas\u0131nc\u0131n\u0131n \u00fczerindeyse pozitif, atmosfer bas\u0131nc\u0131n\u0131n alt\u0131ndaysa negatiftir.<\/p>\n\n\n\n
\nD\u00f6nem "sabit bas\u0131n\u00e7<\/b>\u201d her y\u00f6nde \u00f6l\u00e7\u00fclen tekd\u00fcze bir kuvveti ifade eder. Statik bas\u0131n\u00e7 ba\u011f\u0131ms\u0131zd\u0131r ve ak\u0131\u015fla ilgisi yoktur ve yaln\u0131zca statik ak\u0131\u015fkan\u0131n kuvvetlerine at\u0131fta bulunur.<\/p>\n\n\n\n
Hareketli bir s\u0131v\u0131n\u0131n ak\u0131\u015f\u0131 mevcut oldu\u011funda bas\u0131nc\u0131n y\u00f6nl\u00fc bile\u015fenine denir. dinamik bas\u0131n\u00e7<\/b>. <\/p>\n\n\n\n
Toplam bas\u0131n\u00e7<\/b> Statik bas\u0131nc\u0131 ve dinamik bas\u0131nc\u0131 hesaba katar ve bunlar\u0131 bir araya getirir. Dolay\u0131s\u0131yla toplam bas\u0131n\u00e7, statik ve dinamik bas\u0131n\u00e7lar\u0131n toplam\u0131d\u0131r.<\/p>\n\n\n\n
Bir\u00e7ok t\u00fcrde bas\u0131n\u00e7 alg\u0131lama ve kontrol cihaz\u0131 vard\u0131r. Bunlar \u015funlar\u0131 i\u00e7erir: anahtarlar<\/b>, vericiler<\/b>, Ve g\u00f6stergeler<\/b> (g\u00f6stergeler). Bas\u0131n\u00e7 anahtar\u0131 genellikle bir devreyi a\u00e7mak veya kapatmak i\u00e7in "a\u00e7ma\/kapama" anahtarlama mekanizmalar\u0131n\u0131 i\u00e7eren bir cihaz\u0131 ifade eder. Vericiler, vericinin menziliyle orant\u0131l\u0131 bir analog elektrik veya pn\u00f6matik sinyal sa\u011flayan bir alet t\u00fcr\u00fcd\u00fcr. G\u00f6stergeler g\u00f6rsel g\u00f6stergelerdir. <\/p>\n\n\n\n Herhangi bir bas\u0131n\u00e7 enstr\u00fcmantasyonunu do\u011fru \u015fekilde belirlemek i\u00e7in her zaman bir uygulama m\u00fchendisine dan\u0131\u015f\u0131lmal\u0131d\u0131r.<\/p>\n\n\n\n\n \u00d6ncesi ve sonras\u0131yla on makale<\/p>\n\n\n\n Da\u011f Devletleri M\u00fchendislik ve Kontrollere Giri\u015f | Zeco Vana Blogu<\/a><\/p>\n\n\n\n Seviye \u00d6l\u00e7\u00fcm\u00fc | Zeco Vana Blogu<\/a><\/p>\n\n\n\n Elektrikli Valf Akt\u00fcat\u00f6rlerine Giri\u015f | Zeco Vana Blogu<\/a><\/p>\n\n\n\n K\u00fcresel Vanalara Giri\u015f | Zeco Vana Blogu<\/a><\/p>\n\n\n\n Akt\u00fcat\u00f6rlere Giri\u015f | Zeco Vana Blogu<\/a><\/p>\n\n\n\n So\u011futma Kulesi Terimleri ve Tan\u0131mlar\u0131 | Zeco Vana Blogu<\/a><\/p>\n\n\n\n Proses Kontrol\u00fc i\u00e7in Kullan\u0131\u015fl\u0131 D\u00f6n\u00fc\u015f\u00fcm Form\u00fclleri | Zeco Vana Blogu<\/a><\/p>\n\n\n\n Metal G\u00f6vdeli, End\u00fcstriyel Diyaframl\u0131 Vanalar | Zeco Vana Blogu<\/a><\/p>\n\n\n\n End\u00fcstriyel ve Ticari Uygulamalara Y\u00f6nelik Kabuk ve Borulu Is\u0131 E\u015fanj\u00f6rleri | Zeco Vana Blogu<\/a><\/p>\n\n\n\nDo\u011fru bas\u0131n\u00e7 aletini do\u011fru \u015fekilde se\u00e7mek i\u00e7in \u015funlar\u0131 g\u00f6z \u00f6n\u00fcnde bulundurmal\u0131s\u0131n\u0131z:<\/h2>\n\n\n\n
\u0130lgili Etiketler :<\/h2>\n\n\n\n\n