Experimental of Convective Heat Transfer Coefficient Around a Vertical Rod Bundle

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Molla Bagher Makhmalbaf, Mohammad Hadi | 2010

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Type of Document: M.Sc. Thesis
Language: Farsi
Document No: 41088 (08)
University: Sharif University of Technology
Department: Mechanical Engineering
Advisor(s): Jafari, Jalil; Kazemzadeh Hannani, Siamak
Abstract:
Research on convective heat transfer coefficient around a rod bundle has several applications in industry. So far, many studies have been conducted in correlations related to internal fully developed flow. By comparing Dittus-Boelter, Sieder-Tate and Petukhov found to be more practical. The present study examines the validity of these frequently applied correlations experimentally. A thermohydraulic loop has been designed and manufactured to test and measuring the convective heat transfer coefficient. Due to its generalizibility, the unique geometry of this test facility (hexagonal arranged, 7 vertical rods in a hexagonal tube) has achieved extensive application. The major deviation factors in measuring, calibrations and turbulence in flow in this experiment have been studied in this research
Keywords:
Convection Heat Transfer ; Heat Transfer Enhancement ; Rod Bundle ; Internal Turbulent Flow ; Fully Developed Zone

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