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| Content Provider | The American Society of Mechanical Engineers (ASME) Digital Collection |
|---|---|
| Author | Robert, T. Johnston Fleeter, Sanford |
| Copyright Year | 1995 |
| Abstract | A series of fundamental experiments are directed at the acquisition and analysis of data defining forcing functions generated by an inlet guide vane (IGV) row, including interactions with the downstream rotor, for application to turbomachine forced response design systems. The research fan facility is comprised of an IGV row upstream of a rotor. IGV-rotor axial spacing is variable, with the IGV row able to be indexed circumferentially, thereby allowing measurements to be made across several IGV wakes. With an IGV relative Mach number of 0.29, measurements include the IGV wake pressure and velocity fields for three IGV-rotor axial spacings. The decay characteristics of the IGV wakes are compared to the Majjigi and Gliebe empirical correlations. After Fourier decomposition, a vortical-potential gust splitting analysis is implemented to determine the vortical and potential harmonic wake gust forcing functions both upstream and downstream of the rotor. Higher harmonics of the vortical gust component of the IGV wakes are found to decay at a uniform rate due to viscous diffusion. |
| Sponsorship | International Gas Turbine Institute |
| File Format | |
| ISBN | 9780791878781 |
| DOI | 10.1115/95-GT-436 |
| Volume Number | Volume 1: Turbomachinery |
| Conference Proceedings | ASME 1995 International Gas Turbine and Aeroengine Congress and Exposition |
| Language | English |
| Publisher Date | 1995-06-05 |
| Publisher Place | Houston, Texas, USA |
| Access Restriction | Open |
| Subject Keyword | Design Rotors Inlet guide vanes Wakes Turbomachinery Diffusion (physics) Pressure Mach number |
| Content Type | Text |
| Resource Type | Article |
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