Home › Digital Repository › Faculty, Staff and Student Publications/Presentations › Undergraduate Research › Undergraduate Research Day › Undergraduate Research Day 2008 ›

Experimental Investigation of Swirling Jet Growth ...

Object Details

View

Title Information
Experimental Investigation of Swirling Jet Growth Rate and Wall Shear Stress

Name:Personal
Riotto, Bryon Role :Text(marcrelator)
creator

Name:Personal
Mechanical Engineering; Dr. Jon Naughton Role :Text(marcrelator)
contributor

typeOfResource
still image genre
Powerpoint/Pdf
Origin Information Place
Laramie, Wyoming
University of Wyoming (keyDate="yes")
2008-04-26

Language:Text
Eng

Physical Description

born digital

abstract
Two separate studies are examined: determining the growth rate of a swirling jet, and measuring the skin friction coefficient. The growth rate of a free jet is known to be a function of swirl number. It is also know that at low swirl numbers the growth rate is relatively unaffected, and at high swirl numbers the growth rate becomes saturated. However, the points at which these phenomena occur are not well known. Planar Laser Mie Scattering (PLMS) was used in this study to determine the growth rate of a swirling jet over a wide range of swirl numbers. Two different swirl profiles at two Reynolds numbers were examined. The skin friction coefficient ( Cf, ) is essential to determining the friction drag over a surface. While it is known how to measure Cf over a smooth surface using Oil Film Interferometry (OFI), there are extreme difficulties in determining this quantity over a rough surface. “The momentum integral method” with Laser Doppler Anemometry (LDA) is a method for determining Cf over a rough surface. In order to determine the validity of this method, it is first tested over a smooth surface and checked against the results of OFI measurements. The preliminary results of the OFI measurements are presented. note
From - Undergraduate Research Day 2008 - Celebration of Research - Abstracts
Subject
Jets--Fluid dynamics; Aerodynamics--Research

Related Item:series Title Information
Undergrauate Research Day 2008

Location (usage="primary display")

accessCondition:useAndReproduction
http://digital.uwyo.edu/copyright.html
Record Information languageOfCataloging :Text(ISO639-2B)
English :Code(ISO639-2B)
eng