Simulation of Unsteady State Performance of a Secondary Air System by the 1D-3D-Structure Coupled Method
文献类型：期刊论文
| 作者 | Wu, H., Li, P. and Li, Y. L.1 |
| 出版日期 | 2016 |
| 关键词 | Secondary air system Unsteady 1D-3D-structure Coupling Gas turbine Thermodynamics Engineering |
| 中文摘要 | In order to expand the study on flow instability of supercritical circulating fluidized bed (CFB) boiler, a new numerical computational model considering the heat storage of the tube wall metal was presented in this paper. The lumped parameter method was proposed for wall temperature calculation and the single channel model was adopted for the analysis of flow instability. Based on the time-domain method, a new numerical computational program suitable for the analysis of flow instability in the water wall of supercritical CFB boiler with annular furnace was established. To verify the code, calculation results were respectively compared with data of commercial software. According to the comparisons, the new code was proved to be reasonable and accurate for practical engineering application in analysis of flow instability. Based on the new program, the flow instability of supercritical CFB boiler with annular furnace was simulated by time-domain method. When 1.2 times heat load disturbance was applied on the loop, results showed that the inlet flow rate, outlet flow rate and wall temperature fluctuated with time eventually remained at constant values, suggesting that the hydrodynamic flow was stable. The results also showed that in the case of considering the heat storage, the flow in the water wall is easier to return to stable state than without considering heat storage. |
| 源URL | [http://ir.etp.ac.cn/handle/311046/113100]  |
| 专题 | 工程热物理研究所_Journal of Thermal Science_期刊论文 |
| 作者单位 | 1.[Wu Haibo 2.Liao Haiyan] Shenhua Guohua Elect Power Res Inst Bering Co Ltd, Beijing 100025, Peoples R China. [Liu Zhaohui] Huazhong Univ Sci & Technol, Wuhan 430074, Peoples R China. |
| 推荐引用方式 GB/T 7714 | Wu, H., Li, P. and Li, Y. L.. Simulation of Unsteady State Performance of a Secondary Air System by the 1D-3D-Structure Coupled Method[J],2016. |
| APA | Wu, H., Li, P. and Li, Y. L..(2016).Simulation of Unsteady State Performance of a Secondary Air System by the 1D-3D-Structure Coupled Method.. |
| MLA | Wu, H., Li, P. and Li, Y. L.."Simulation of Unsteady State Performance of a Secondary Air System by the 1D-3D-Structure Coupled Method".(2016). |
入库方式： OAI收割
来源：工程热物理研究所
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