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A parabolized Navier-Stokes analysis of wake/boundary-layer flow along a cable in tow

Conference · · 22nd Fluid Dynamics, Plasma Dynamics and Lasers Conference
DOI:https://doi.org/10.2514/6.1991-1726· OSTI ID:6046304
 [1]
  1. Sandia National Laboratories (SNL-NM), Albuquerque, NM (United States)
+ Show Author Affiliations
A parabolized Navier-Stokes analysis of a turbulent, compressible, wake/boundary-layer flow field for a cable in tow is discussed. It is assumed that the cable is being towed by a missile-like configuration whose total drag coefficient is known. The cable is assumed to be perfectly aligned with the missile axis and is subjected to its wake. Modeled in the analysis is the far wake behind the missile, coupled with the turbulent boundary layer growth along the cable. An analytical starting solution for a parabolized Navier-Stokes code is presented. The starting solution is applicable downstream of the towing body's near wake and, therefore, circumvents the complex task of computing the towing body's flow field. An algebraic wake/boundary-layer turbulence model is used to simulate turbulent flow in both the decaying wake and growing boundary layer along the cable. Results are presented for a towing-body freestream Mach number of 5 and a Reynolds number of 36.0 x 106 per ft at select distances along a thin cable.
Research Organization:
Sandia National Laboratories (SNL-NM), Albuquerque, NM (United States)
Sponsoring Organization:
USDOE
DOE Contract Number:
AC04-76DP00789
OSTI ID:
6046304
Report Number(s):
SAND--91-0878C; CONF-910651--6; ON: DE91011497
Conference Information:
Journal Name: 22nd Fluid Dynamics, Plasma Dynamics and Lasers Conference Journal Issue: 4
Country of Publication:
United States
Language:
English

References (8)

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Evaluation of algebraic turbulence models for PNS predictions of supersonic flow past a sphere-cone journal May 1989
Measurements of the turbulent near wake of a cone at Mach 6. journal March 1966
Evaluation of boundary-layer and parabolized Navier-Stokes solutionsfor re-entry vehicles journal January 1986
Experimental investigation of the mean flow of the laminar supersonic cone wake journal March 1971
Characteristics of the Turbulent Boundary Layer on a Flat Plate in Compressible Flow from Measurements of Friction in Pipes journal September 1950
Simplified Treatment of the Turbulent Boundary Layer Along a Cylinder in Compressible Flow journal January 1952
Integral theory for supersonic turbulent base flows. journal July 1968

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Related Subjects

640410* -- Fluid Physics-- General Fluid Dynamics
75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
BOUNDARY LAYERS
CABLES
COMPRESSIBLE FLOW
DIFFERENTIAL EQUATIONS
EQUATIONS
FLUID FLOW
LAYERS
NAVIER-STOKES EQUATIONS
PARTIAL DIFFERENTIAL EQUATIONS
TURBULENT FLOW