scholarly journals Numerical analysis on the effect of longitudinal and transversal pitch ratio to the flow and heat transfer characteristic of staggered elliptical tubes-bank

2016 ◽  
Author(s):  
Budi Utomo Kukuh Widodo ◽  
Safrida Dyah Hanifah
2019 ◽  
Vol 344 ◽  
pp. 463-474 ◽  
Author(s):  
Zehua Guo ◽  
Zhongning Sun ◽  
Nan Zhang ◽  
Ming Ding ◽  
Haozhi Bian ◽  
...  

Author(s):  
Handry Afrianto ◽  
Md. Riyad Tanshen ◽  
B. Munkhbayar ◽  
U. Tony Suryo ◽  
Hanshik Chung ◽  
...  

Author(s):  
Jiange Liu ◽  
Minjun Peng

The physical phenomenon of the flow and heat transfer characteristic in vertical narrow annulus channel is a little different from general channel. It is valuable to improve the model veracity for exactly predicting the nuclear power system key physical phenomenon. The heat transfer characteristic of two narrow annulus channels (narrow gap 1.0mm and 1.5mm) is analyzed by means of the RELAPSCDAPSIM/MOD3.4 code recently developed by SDTP. Compared with related experiment data, the results show that the new developed code could predict key parameters such as fluid temperature, wall temperature, heat transfer coefficient, pressure drop, the occurrence condition of the flow instability and so on. The code has the ability to simulate the narrow annulus channel heat transfer characteristic.


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