Abstract
In the rotor with high speed, there is a certain axial circulation in the internal gas, which is necessary to analyze the cause of formation and influence factors for understanding better the internal flow field. There are many factors affecting the axial circulation. Different circulation drives have different effects on the flow field. In this paper, numerical computation with N-S equations is used to compute the flow field parameters and analyze the mechanism of the flow field. The influence of the temperature of the end cap on the flow field is mainly disscussed. By comparing and analyzing the streamline shape and the size of vortex region under different temperature drive, an effective method is provided for the study of axial circulation in the highspeed rotating flow field.
Highlights
In the rotor with high speed, the gas entering the rotor will make circular motion along with the rotor
It is an important subject for the study of the high-speed rotating flow field to analyze the production and influence factors of the axial circulation with an effective method [1,2,3]
It is of great significance to study the influence of the temperature drive on axial circulation at different parts of the rotor for analysis of the nature of the flow field
Summary
In the rotor with high speed, the gas entering the rotor will make circular motion along with the rotor. Sometimes a certain axial circulation is needed to accelerate the flow of gas in the rotor It is an important subject for the study of the high-speed rotating flow field to analyze the production and influence factors of the axial circulation with an effective method [1,2,3]. Different circulation drives have different effects on the flow field Among these factors, the influence of temperature on the axial circulation is especially obvious. The temperature difference between the different parts of the rotor, such as the top and bottom end cap and the wall, directly affects the flow state of the internal gas. By comparing and analyzing the streamline shape and the size of vortex region under different temperature drive, an effective method is provided for the study of axial circulation in high-speed rotating flow field
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