Experimental rig design for testing the vibroimpact capsule system
Başlık çevirisi mevcut değil.
- Tez No: 716344
- Danışmanlar: DR. YANG LİU
- Tez Türü: Yüksek Lisans
- Konular: Makine Mühendisliği, Matematik, Mechanical Engineering, Mathematics
- Anahtar Kelimeler: pigging, pipeline pigging, pipeline, design, autocad, vibro-impact capsule
- Yıl: 2017
- Dil: İngilizce
- Üniversite: Unıversıty Of Exeter
- Enstitü: Yurtdışı Enstitü
- Ana Bilim Dalı: Belirtilmemiş.
- Bilim Dalı: Belirtilmemiş.
- Sayfa Sayısı: Belirtilmemiş.
Özet
Özet yok.
Özet (Çeviri)
In this report, the design, production and experimental analysis of a pipeline to be used for the experimental testing of the vibro-impact pigging capsule developed by Liu (2015) is investigated. The pipeline have U-Shaped design and the pipes used in the test rig have the smallest possible diameter. The aim was to examine the behaviors of the vibro-impact pigging capsule in a pipeline that has 90 degree elbows and the behaviors of the capsule in a pipeline which is similar to that used in real life pipelines. The pipeline design was created in 2D and 3D with AutoCAD. Before starting the design of the pipeline, elbows that are in different diameter sizes had been designed and some simulations of vibro-impact capsule whose dimensional properties are known had been carried out to determine whether this capsule can go through these elbows. As a result by taking into consideration the diameters of pipes that are exists in the market it was decided that the pipes to be used in pipeline should have a diameter of 110 mm. After the size of the pipe diameter had been determined, the design of all components of the pipeline has been drawed as 3D and after the design process had finished the necessary parts were supplied to set up the experimental setup. After the test setup, various tests were carried out with a vibro-impact capsule and a capsule without a movement mechanism under two different conditions which are dry and flow conditions. As a result of the tests conducted, it was observed that under dry conditions the motion mechanism in the vibro-impact capsule was not strong enough to turn the elbows in the test rig. It has also been observed that some revisions are necessary for the motion mechanism in the vibro-impact capsule to move at longer distances. Experiments with the capsule without motion mechanism under flow conditions were carried out at 6 different flow rates. As a result of the experiments carried out, it was observed that when the flow velocity was below the limit value, the capsule did not move and it caused a congestion in the pipeline. In these experiments, it has been observed that the 39.3 % increase in the flow velocity with capsule without action mechanism under flow condition has provided the nonmoving capsule to move with a 0.00162 m/s velocity. It has been also observed that, the 107.1% increase in the flow velocity, has increased the capsule velocity from 0.00162 m/s to 0.0493 m/s and provided 2943.2 % increase in the capsule velocity. In all tests under flow conditions where the capsule was moving, it has been observed that the capsule can turn all the elbows and there is no blockage in the test in the pipeline. Thus, it has been proved that the test system works successfully.
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