Numerical Analysis on the Effect of Thread Modification on Air Nozzle for CFB Boiler in Pltu Barru

2019 ◽  
Author(s):  
Gede Satya Sarasamucchaya ◽  
Mohamad Afin Faisol ◽  
Wawan Hudayana ◽  
Tri Rinanto Mugiharjo ◽  
Muhammad Rai Fadhilah
Keyword(s):  
Numerical Analysis ◽  
Cfb Boiler ◽  
Air Nozzle

Numerical analysis of flow instability in the water wall of a supercritical CFB boiler with annular furnace

2016 ◽  
Vol 25 (4) ◽  
pp. 372-379 ◽  
Author(s):  
Beibei Xie ◽  
Dong Yang ◽  
Haiyan Xie ◽  
Xin Nie ◽  
Wanyu Liu
Keyword(s):  
Numerical Analysis ◽  
Flow Instability ◽  
Cfb Boiler ◽  
Water Wall ◽  
Annular Furnace

scholarly journals Experimental and CFD Simulation Studies on Bell-Type Air Nozzles of CFB Boilers

2019 ◽  
Vol 9 (18) ◽  
pp. 3805
Author(s):  
Zhong Huang ◽  
Lei Deng ◽  
Defu Che
Keyword(s):  
Numerical Simulation ◽  
Working Conditions ◽  
Cfd Simulation ◽  
Circulating Fluidized Bed ◽  
Cold Test ◽  
Structural Defects ◽  
Simulation Studies ◽  
Resistance Change ◽  
Cfb Boiler ◽  
Air Nozzle

In this paper, a new bell-type air nozzle, which overcomes the structural defects of traditional bell-type air nozzles, is proposed and validated by cold test and numerical simulation. The pressure drop characteristic of the new bell-type air nozzle is measured. Furthermore, the causes of cover outlet abrasion and blockage, inner tube fracture, and irregular resistance change in traditional bell-type air nozzles applied in circulating fluidized bed (CFB) boilers are analyzed. Then, the performance of the new bell-type air nozzle is evaluated in a real CFB boiler, which is operated under regular working conditions. The results show that the new bell-type air nozzle has stronger anti-wear ability, excellent resistance characteristics, longer service life, and easier maintenance.

Numerical analysis of electro-osmotic flows through elliptic microchannels

2013 ◽  
pp. 42-49 ◽  
Author(s):  
Pamela Vocale ◽  
Michela Geri ◽  
Luca Cattani ◽  
Gian Luca Morini ◽  
Marco Spiga
Keyword(s):  
Numerical Analysis
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