Dynamic inflow modeling in rotorcraft flight dynamics is a means of accounting for the low-frequency wake effects under unsteady or transient conditions. This report considers dynamic inflow and its influence on some problems of rotorcraft flight dynamics. The bases of modeling range from a simple empirical formulation to an involved prescribed-wake, discrete-vortex analysis of a four-bladed rotor. The emphasis is on perturbed linear versions of inflow in matrix form and on the sensitivity of low-frequency stability and response to inflow. However, non-linear versions for use in time-history solutions are presented. Coverage also includes the areas of weakness, controversial notions, and the need for additional test data on rotor-body damping in forward flight for a better appreciation of the developments in modeling dynamic inflow.


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    Title :

    Review of Dynamic Inflow Modeling for Rotorcraft Flight Dynamics


    Contributors:

    Publication date :

    1986


    Size :

    29 pages


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English






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