模拟单级压缩机中气流与冰晶之间的运动和传热耦合特性

IF 5.4 2区工程技术 Q1 ENGINEERING, AEROSPACE

Propulsion and Power Research Pub Date : 2024-12-01 DOI:10.1016/j.jppr.2024.04.003

Ping Huang , Xueqin Bu , Guiping Lin , Quanyong Xu , Chunhua Xiao

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引用次数: 0

摘要

本文研究了单级压缩机内气流与冰晶之间运动和传热的耦合特性。采用欧拉轨迹法对冰晶颗粒的运动和相变过程进行了建模，并进行了验证。对压缩机内气流与冰晶之间的传热传质过程进行了模拟和分析。得到了冰晶的熔化率、捕集效率和粘着效率，以及由于冰晶相变引起的气流中温湿度比的变化。结果表明：单级压气机叶片粘滞冰晶占冲击质量流量的10.35%；此外，冰晶的存在导致气流温度降低0.466 K，湿度比增加0.114 g/kg(a)。理论模型和计算方法为今后的冰晶结冰模拟和发动机运行研究提供了有力的支持。

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Simulation of coupling characteristics of motion and heat transfer between airflow and ice crystals in a single-stage compressor

This paper investigates the coupling characteristics of motion and heat transfer between airflow and ice crystals in a single-stage compressor. The motion and phase transition process of ice crystal particles were modeled using the Eulerian trajectory method and validated. The heat and mass transfer processes between airflows in compressor and ice crystals were simulated and analyzed. The melting ratio, catching efficiency, and sticking efficiency of ice crystals were obtained, as well as variations in temperature and humidity ratio in the airflow due to ice crystal phase change. The results show that the ice crystals sticking to blades in the single-stage compressor account for 10.35% of the impact mass flow rate. Additionally, the presence of ice crystals causes a 0.466 K decrease in the airflow temperature and a 0.114 g/kg(a) increase in the humidity ratio. The theoretical model and calculation method provide strong support for future ice crystal icing simulations and engine operation research.

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来源期刊

Propulsion and Power Research Multiple-

CiteScore

7.50

自引率

5.70%

发文量

期刊介绍： Propulsion and Power Research is a peer reviewed scientific journal in English established in 2012. The Journals publishes high quality original research articles and general reviews in fundamental research aspects of aeronautics/astronautics propulsion and power engineering, including, but not limited to, system, fluid mechanics, heat transfer, combustion, vibration and acoustics, solid mechanics and dynamics, control and so on. The journal serves as a platform for academic exchange by experts, scholars and researchers in these fields.