Petrol projelerinde kullanılan su arıtma tesislerinde su ve petrolün ayrıştırılması için tasarlanan birleştirilmiş plakaların CFD simülasyonu

Yıl 2017, Cilt: 23 Sayı: 4, 358 - 363, 18.08.2017

Sedat Yayla , Soran Sabah Ibrahim Ali Bahadır Olcay

Öz

Petrol
üretimi, çevreye zararlı etkileri olabilecek bol miktarda yağ ile kirlenmiş su
ortaya çıkarmaktadır. Aynı zamanda üretilen su petrol endüstrisinin ürettiği en
büyük atık akımdır. Geçmiş yıllarda dikkat, üretilen su işlemleri üzerineyken
suyu yağdan ayırma yöntemleri zamanla önemli şekilde iyileştirildi. Bu çalışma
kapsamında birleşik plakalarda, plakalar arasındaki mesafenin, orifis çapının
ve karışım giriş hızının ayırma verimine olan etkilerini incelemek için
iki-boyutlu hesaplamalı akışkanlar dinamiği (HAD) modeli kullanıldı. Ayrılma
verimini etkiyen parametreleri belirleyebilmek için 8, 12, 16, 20, 24 mm
plakalar arası mesafesi, 10, 15, 20 mm farklı enine kesit (örneğin, silindirik,
dikdörtgen, elips ve üçgen) orifis çap değerleri ile 0.02, 0.03, 0.04, 0.05 m/s
olan dört farklı karışım giriş hızları kullanıldı. Bu inceleme plakalar arası
mesafedeki artışın, karışım giriş hızındaki artışın veya kütle akış debisinin
ayrılma verimi ile ters orantılı olduğunu ortaya çıkardı. Diğer taraftan en
yüksek ayrılma verimi 15 mm delik çaplı silindir şeklindeki orifiste elde edildi.
Üstelik ayrılma veriminin, plakalar arasındaki mesafeye ve karışım giriş
hızlarına bağlı olarak %25’ten %99.25’e kadar değiştiği gözlemlenmiştir.

Anahtar Kelimeler

HAD, İki fazlı akış, Karışımın hızı, Akışkanın hacmi, Laminer akış

Kaynakça

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