EXPERIMENTAL INVESTIGATION OF TURBULENCE NEAR CYLINDERS

Torkild Carstens; Soren Peter Kjeldsen; Ola Gjorsvik

doi:10.9753/icce.v14.96

No. 14 (1974), Conference Proceedings

No. 14 (1974)

EXPERIMENTAL INVESTIGATION OF TURBULENCE NEAR CYLINDERS

Conference Proceedings

https://doi.org/10.9753/icce.v14.96

Published 1974-01-29

Torkild Carstens⁺⁻
Soren Peter Kjeldsen⁺⁻
Ola Gjorsvik⁺⁻

Torkild Carstens

Society for Industrical and Technical Research at the Technical University of Norway

Soren Peter Kjeldsen

Society for Industrical and Technical Research at the Technical University of Norway

Ola Gjorsvik

Society for Industrical and Technical Research at the Technical University of Norway

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Keywords

turbulence
turbulence near cylinders
experimental investigation

How to Cite

Carstens, T., Kjeldsen, S. P., & Gjorsvik, O. (1974). EXPERIMENTAL INVESTIGATION OF TURBULENCE NEAR CYLINDERS. Coastal Engineering Proceedings, 1(14), 96. https://doi.org/10.9753/icce.v14.96

Abstract

Model tests with locally generated turbulence near horizontal and vertical cylinders are reported. Turbulence is measured with newly developed ultra-sonic probes, and spectral density functions and auto-correlation functions are given. Tests are carried out in uniform currents, in sinusoidal waves, and in combinations of current and waves. Results are given for a viscous laminar boundary layer corresponding to a very fine sediment, and for a turbulent boundary layer corresponding to a hydraulically rough bottom. In Norway recent scour research, initiated by the North Sea oil operations, has been guided in three directions: 1) Scour around big gravity structures 2) Distribution of pore pressures in the ground under wave loads. 3) Local scour near unburied pipelines.

https://doi.org/10.9753/icce.v14.96

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EXPERIMENTAL INVESTIGATION OF TURBULENCE NEAR CYLINDERS

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