Heat Transfer from In-Line cam shaped Tube Bank in Cross Flow
Publish place: 06th International Congress on Chemical Engineering
Publish Year: 1388
نوع سند: مقاله کنفرانسی
زبان: English
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شناسه ملی سند علمی:
ICHEC06_233
تاریخ نمایه سازی: 1 مهر 1388
Abstract:
The main objective of this numerical study is to investigate air flow across cam shape tube bank. The effect of the tube shape on heat transfer and pressure drop were determined. The arrangements of tubes are in-line with longitudinal pitch of 1.73 and transverse pitch of 1.25 and 2.5. The maximum Reynolds number based on equivalent circular tube are within 102< Reeq,max<103. Results show that heat transfer and pressure drop increases by about 100 percent and about 6 percent respectively when transverse pitch decreases from 2.5 to 1.25. Pressure drop of the cam shape tube is less than that of circular tube bank about 64 to 74 percent but the heat transfer of the circular tube is more than that of cam shaped tube bank about 4 to 10 percent with the same surface area and transverse pitch.
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Authors
Arash Mir Abdolah Lavasani
Assistant Professor Faculty of Mechanical Engineering Islamic Azad University Central Tehran Branch
Ahmad Hosseini-Sianaki
Assistant Professor Faculty of Mechanical Engineering Islamic Azad University Central Tehran Branch
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