scholarly journals Experimental study on effect of tube arrangement mode on heat transfer characteristics of a new type of elastic tube bundle

2019 ◽  
Vol 1300 ◽  
pp. 012021
Author(s):  
Bo Jiang ◽  
Jian Liu ◽  
Fuguo Liu ◽  
Jiaxin Wang ◽  
Ke Liu ◽  
...  
Keyword(s):  
Heat Transfer ◽  
Experimental Study ◽  
Tube Bundle ◽  
Elastic Tube ◽  
Heat Transfer Characteristics ◽  
Transfer Characteristics ◽  
Tube Arrangement ◽  
New Type

Research on Vibration and Heat Transfer Characteristics of an Optimized Structure of Elastic Tube Bundle

2013 ◽  
Vol 816-817 ◽  
pp. 260-265 ◽  
Author(s):  
Bo Jiang ◽  
Mao Cheng Tian ◽  
Lin Cheng
Keyword(s):  
Heat Transfer ◽  
Tube Bundle ◽  
Bending Moment ◽  
Elastic Tube ◽  
Operating Characteristics ◽  
Heat Transfer Characteristics ◽  
Transfer Characteristics ◽  
The Mean ◽  
Type 3 ◽  
Original Type

Combined with the structure and operating characteristics of the original type, an optimized structure of elastic tube bundle is proposed. The mechanical properties of the end region of the elastic tube bundle are derived theoretically, and researches are carried out on the vibration and heat transfer characteristics by adopting the method of combination of experiment and numerical simulation. The results show that there exist noticeable improvements for the optimized structure in the four aspects as follows: 1. the bending moment endured in the end section is only 0.159 times of the original tube bundle; 2. the natural frequency is lower than that of the original type; 3. the mean heat transfer coefficient of which is 26% higher than that of the original one; 4. the heat transfer area per unit volume increases by 24.7%. Furthermore, a comprehensive analysis is made on heat transfer performance improvement of the optimized structure

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