空气湿度对透平压气机一级转子影响的数值研究

IF 0.8 Q4 THERMODYNAMICS

Archives of Thermodynamics Pub Date : 2023-07-20 DOI:10.24425/ather.2020.135861

S. Dykas, G. Zhang

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引用次数: 5

摘要

本文研究了均相和非均相冷凝轴流压气机一级转子跨声速流动的数学模型。在商业软件中实现的冷凝现象是基于经典的成核理论和分子动力学液滴生长模型。通过文献中关于涡轮压气机一级流动的实验研究，即rotor37跨音速压气机基准试验，对模型进行了验证。研究了不同流动条件下空气湿度和空气污染对冷凝过程的影响。由于凝结潜热释放对流动结构的影响较大，因此分析了空气湿度和污染对凝结的影响。结果表明，空气湿度对跨声速流态流动结构的影响不容忽视，因此建议在高速气流模拟中考虑凝结现象。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Numerical studies of air humidity importance in the first stage rotor of turbine compressor

The paper presents studies of mathematical modelling in transonic flow through the first stage rotor of the axial compressor of homogenous and heterogeneous condensation. The condensation phenomena implemented into a commercial software is based on the classical theory of nucleation and molecular-kinetic droplet growth model. Model is validated against experimental studies available in the literature regarding the flow through the first stage of turbine compressor, i.e. the rotor37 transonic compressor benchmark test. The impact of air humidity and air contamination on the condensation process for different flow conditions is examined. The influence of latent heat release due to condensation exerts a significant impact on the flow structure, thus the analysis of the air humidity and contamination influence on the condensation is presented. The results presented indicate the non-negligible influence of air humidity on the flow structure in the transonic flow regime, thus it is recommended to take condensation phenomenon under consideration in high-velocity airflow simulations.

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来源期刊

Archives of Thermodynamics THERMODYNAMICS-

CiteScore

1.80

自引率

22.20%

发文量

期刊介绍： The aim of the Archives of Thermodynamics is to disseminate knowledge between scientists and engineers interested in thermodynamics and heat transfer and to provide a forum for original research conducted in Central and Eastern Europe, as well as all over the world. The journal encompass all aspect of the field, ranging from classical thermodynamics, through conduction heat transfer to thermodynamic aspects of multiphase flow. Both theoretical and applied contributions are welcome. Only original papers written in English are consider for publication.