Measurements of compressible secondary flow in a circular S-ductThis paper presents the results of an experimental study of secondary flow in a circular cross section 30 deg - 30 deg S-duct with entrance Mach number of 0.6. Local flow velocity vectors have been measured along the length of the duct at six stations. These measurements have been made using a five-port cone probe. Static and total pressure profiles in the transverse planes are obtained from the cone probe measurements. Wall static pressure measurements along three azimuth angles of 0 deg, 90 deg, and 180 deg along the duct are also made. Contour plots presenting the three dimensional velocity field as well as the total- and static-pressure fields are obtained. Surface oil flow visualization technique has been used to provide details of the flow on the S-duct boundaries. The experimental observations have been compared with typical computational results.
Document ID
19830056000
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Vakili, A. (Tennessee Univ. Space Inst. Tullahoma, TN, United States)
Wu, J. M. (Tennessee Univ. Space Inst. Tullahoma, TN, United States)
Liver, P. (Tennessee Univ. Space Inst. Tullahoma, TN, United States)
Bhat, M. K. (Tennessee, University Tullahoma, TN, United States)