The Flow Past Infinite Rotating Cylinders at Small Inclinations

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Authors
  1. Hally, D.
Corporate Authors
Defence R&D Canada - Atlantic, Dartmouth NS (CAN)
Abstract
In order to understand the effects of propeller shaft rotation on the flow into the propellers of a twin-screw ship, the DRDC Atlantic flow solver TRANSOM was used to calculate the flow around infinitely long rotating inclined cylinders at different Reynolds numbers. The flow was solved at flow inclinations of 8, 10 and 12, at Reynolds numbers of 105, 106 and 107 based on shaft diameter, and at nine different rotation rates. The velocity fields for all 81 cases are displayed and the primary flow features and their dependence on shaft inclination, Reynolds number and rotation rate are discussed.

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Keywords
Fluid flow;Computational fluid dynamics;Propeller shafts;Spalart-Allmaras turbulence model;TRANSOM
Report Number
DRDC-ATLANTIC-TM-2004-274 — Technical Memorandum
Date of publication
01 Jan 2005
Number of Pages
68
DSTKIM No
CA024395
CANDIS No
521971
Format(s):
CD ROM

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