Rotating long orifices with radiused inlets analytical model

The main subjects are to introduce a new correlation for long orifices with radiused inlets by conducting computational fluid dynamics simulation under complex working conditions, and then, analytical model of long orifices with radiused inlets was developed based on fluid network method, and the model was verified by commercial CFD tool Simerics. It is shown that the model has high precision, it is applicable under complex conditions, and only geometric features are required for one-dimensional modeling. Thus it can be used as a standard model in secondary air system simulation widely.