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ISSN Печать: 1065-5131
ISSN Онлайн: 1563-5074
Indexed in
The Effect of Augmented Surfaces on Two-Phase Flow Instabilities in a Horizontal System
Краткое описание
This experimental research covers the investigation of two-phase flow instabilities in a horizontal in-tube flow boiling system with augmented heat transfer surfaces. The effect of augmentation on flow instabilities is studied with three tubes made of different inner surfaces at five different inlet temperatures. All experiments are carried out at constant heat input, system pressure and exit restriction. Steady-state characteristics of a system composed of different tubes are found and presented in pressure-drop versus mass flow rate diagrams. Dynamic instabilities, such as pressure-drop type, thermal and density-wave type oscillations are found to occur in every system and boundaries for the appearance of these oscillations are found. The dependence of the characteristics of these oscillations on the augmented surfaces is emphasized and comparisons between the bare tube and the augmented tubes are made.
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Zhang Liang, Wang Yufei, Yu Zitao, Regulation of gas-liquid stratified flow boiling dynamic instabilities in horizontal tube: Effects of heat load distribution and wall thermal capacity, International Journal of Heat and Mass Transfer, 127, 2018. Crossref
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KARAGÖZ Şendoğan, YILMAZ Mehmet, ÖMEROĞLU Gökhan, SU KAYNAMALI YATAY DÜZ BORUDA İKİ FAZLI AKIŞ BASINÇ DÜŞÜMÜ OSİLASYONLARININ ANALİZİ, Ömer Halisdemir Üniversitesi Mühendislik Bilimleri Dergisi, 2018. Crossref
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Kakaç Sadik, The Effect of Augmented Surfaces on Two-Phase Flow Instabilities, in Heat Transfer Enhancement of Heat Exchangers, 1999. Crossref