The development and requirements of a body force database from two-dimensional and streamline curvature calculations
Name
496817690-MIT.pdf
Description
Full printable version
Size
29.64 MB
Format
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Checksum (MD5)
024269e67e3f571c97c16fd42e70e503
Author(s)
Walker, Thomas K., III
Advisor(s)
Edward Greitzer and Choon Sooi Tan.
Date Issued
2009
Publisher
Massachusetts Institute of Technology
Abstract
This thesis presents a methodology for development of a body force database, from design conditions to flows below the stall point, for compressor stability analysis. The methodology is based on two-dimensional blade element calculations and a streamline curvature procedure to calculate the axisymmetric flow, although it can be extended to use three-dimensional calculations where available. The methodology is demonstrated by assembling the body force database and using it for a stability calculation. The connection between the stall onset behavior and the body forces near and below the stall point is established through a sensitivity assessment of the radial and axial distribution of the body forces. Comparisons are made with stall onset data obtained in a single stage axial compressor. Capturing the axial component of the body force is found to be key element in estimation of the stall point and stall inception type.
Description
Thesis (S.M.)--Massachusetts Institute of Technology, Dept. of Aeronautics and Astronautics, 2009.
Includes bibliographical references (p. 92-93).
Subjects
Aeronautics and Astronautics.
MIT Department
Massachusetts Institute of Technology. Department of Aeronautics and Astronautics
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