Aerodynamic heating phenomena in three-dimensional shock wave/turbulent boundary layer interactions induced by sweptback blunt fins

Shsgeru Aso, Seishi Kuranaga, Shigehide Nakao, Masanori Hayashi

Research output: Contribution to conferencePaper

2 Citations (Scopus)

Abstract

The detailed structure of aerodynamic heating phenomena in three-dimensional shock wave/turbulent boundary layer induced by sweptback blunt fins are revealed by a new method developed by the present authors. The new method is based on a new type of thin-film heat transfer gauge with high spatial resolution and fast response. The remarkable features of the structure of aerodynamic heating phenomena and significant change of higher heating regions with sweep angles of the blunt fins in three-dimensionaI shock wave/turbulent boundary layer interaction region are obtained. The results provide valuable information not only to the understanding of the three-dimensional shock induced aerodynamic heating phenomena but also design of spaceplanes and winged vehicles-Experiments are performed under the testing conditions of Mach number of 4, wall temperature condition Tw/To of 0-65 and Reynolds number of 1.2x107. The sweptback blunt fins with semi-cylindrica1 leading edge in the plane normal to it are used for the present experiments. Sweep angles are selected as 0, 15, 30, and 45 degrees and placed normal to the flat plate model. The flow fields are visualized by oil flow technique and detailed surface pressure and surface heat flux distributions in the interaction regions for various sweptback fins are measured.

Original languageEnglish
Publication statusPublished - Jan 1 1990
Event28th Aerospace Sciences Meeting, 1990 - Reno, United States
Duration: Jan 8 1990Jan 11 1990

Other

Other28th Aerospace Sciences Meeting, 1990
CountryUnited States
CityReno
Period1/8/901/11/90

Fingerprint

Aerodynamic heating
Shock waves
Boundary layers
Fins (heat exchange)
Mach number
Gages
Heat flux
Flow fields
Reynolds number
Experiments
Heat transfer
Heating
Thin films
Testing
Temperature

All Science Journal Classification (ASJC) codes

  • Aerospace Engineering

Cite this

Aso, S., Kuranaga, S., Nakao, S., & Hayashi, M. (1990). Aerodynamic heating phenomena in three-dimensional shock wave/turbulent boundary layer interactions induced by sweptback blunt fins. Paper presented at 28th Aerospace Sciences Meeting, 1990, Reno, United States.

Aerodynamic heating phenomena in three-dimensional shock wave/turbulent boundary layer interactions induced by sweptback blunt fins. / Aso, Shsgeru; Kuranaga, Seishi; Nakao, Shigehide; Hayashi, Masanori.

1990. Paper presented at 28th Aerospace Sciences Meeting, 1990, Reno, United States.

Research output: Contribution to conferencePaper

Aso, S, Kuranaga, S, Nakao, S & Hayashi, M 1990, 'Aerodynamic heating phenomena in three-dimensional shock wave/turbulent boundary layer interactions induced by sweptback blunt fins', Paper presented at 28th Aerospace Sciences Meeting, 1990, Reno, United States, 1/8/90 - 1/11/90.
Aso S, Kuranaga S, Nakao S, Hayashi M. Aerodynamic heating phenomena in three-dimensional shock wave/turbulent boundary layer interactions induced by sweptback blunt fins. 1990. Paper presented at 28th Aerospace Sciences Meeting, 1990, Reno, United States.
Aso, Shsgeru ; Kuranaga, Seishi ; Nakao, Shigehide ; Hayashi, Masanori. / Aerodynamic heating phenomena in three-dimensional shock wave/turbulent boundary layer interactions induced by sweptback blunt fins. Paper presented at 28th Aerospace Sciences Meeting, 1990, Reno, United States.
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