Fluid dynamics of a tornado-like vortex flow

Jischke, M. C. (Martin C.); Parang, M.

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Fluid dynamics of a tornado-like vortex flow

1975
By Jischke, M. C. (Martin C.) ; Parang, M.

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Personal Author:

Jischke, M. C. (Martin C.) ; Parang, M.

Jischke, M. C. (Martin C.) ; Parang, M. Less -
Corporate Authors:

University of Oklahoma. School of Aerospace, Mechanical, and Nuclear Engineering.
NOAA Program & Office:

OAR (Oceanic and Atmospheric Research) ; NSSL (National Severe Storms Laboratory)

OAR (Oceanic and Atmospheric Research) ; NSSL (National Severe Storms Laboratory) Less -
Description:

A swirling, converging vortex flow is studied both experimentally and theoretically as a model of tornado flowfields. Laboratory measurements of this vortex flowfield are obtained using Ward's apparatus and such unique features as the multiple-vortex phenomenon are studied. The turbulent boundary-layer due to this swirling converging vortex flowfield is investigated theoretically by means of Von Karman's integral momentum method. In addition, a recirculating vortex core model is studied. Using a nonequilibrium condensation process as a basis, distinctions between the observed tornado funnel and other aspects of the core flow are discussed. It is found that the swirling, converging vortex flow is a more realistic model of tornadoes.
Keywords:

[+]

Boundary Layer (Meteorology) Fluid Dynamics Simulated Methods Tornadoes Vortex-motion
Format:

PDF
Document Type:

Non-series Report
Funding:

Grant no. N22-200-72(G) ; Grant no. 04-4-022-13

Grant no. N22-200-72(G) ; Grant no. 04-4-022-13 Less -
License:

https://creativecommons.org/publicdomain/zero/1.0/
Rights Information:

CC0 Public Domain
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Library
Main Document Checksum:

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urn:sha256:464e33d9cf58bd5a36ef400374f364ac88ee0fc540648d5524aacd9d0c677b21
Download URL:

https://repository.library.noaa.gov/view/noaa/48797/noaa_48797_DS1.pdf
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Fluid dynamics of a tornado-like vortex flow

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