Volume 10: Proceedings of 12th International Conference on Applied Energy, Part 2, Thailand/Virtual, 2020

Research on the Method of Predicting Boiler Thermal Efficiency using Numerical Simulation Shixin Zhang, Ruiyu Li, Yuesheng Li, Zhiming Jiang, Yan Zhang, Yuhao Wu, Lei Shi, Lei Deng*, Defu Che


The boiler thermal efficiency test requires strict operating conditions. Numerical simulation, which is considered as an economic and effective method to study the boiler combustion process, was adopted on a WNS2-1.25-Q gas-fired boiler. The combustion characteristics and boiler thermal efficiency were investigated. The simulation results are reliable, compared with thermodynamic calculation values. The results show that it is feasible to calculate boiler thermal efficiency by numerical simulation. This study can provide a new method for boiler efficiency calculation, which is beneficial to economics.

Keywords boiler thermal efficiency, gas-fired boiler, combustion characteristic, numerical simulation

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