Improving Falling Ball Tests for Viscosity Determination-Reference-Cited by-同舟云学术

Improving Falling Ball Tests for Viscosity Determination

Published:2005-08-11 Issue:1 Volume:128 Page:157-163
ISSN:0098-2202
Container-title:Journal of Fluids Engineering
language:en
Short-container-title:

Author:

Feng Shihai¹,Graham Alan L.¹,Reardon Patrick T.¹,Abbott James²,Mondy Lisa³

Affiliation:

1. Los Alamos National Laboratory, Los Alamos, NM 87545

2. High Performance Computing Center, Texas Tech University, Lubbock, TX 79409

3. Sandia National Laboratories, Albuquerque, NM 87185-0834

Abstract

Laboratory experiments and numerical simulations are performed to determine the accuracy and reproducibility of the falling-ball test for viscosity determination in Newtonian fluids. The results explore the wall and end effects of the containing cylinder and other possible sources that affect the accuracy and reproducibility of the falling ball tests. A formal error analysis of the falling-ball method, an evaluation of the relative merits of calibration and individual measurements, and an analysis of reproducibility in the falling-ball test are performed. Recommendations based on this study for improving both the accuracy and reproducibility of the falling-ball test are presented.

Publisher

ASME International

Subject

Mechanical Engineering

Link

http://asmedigitalcollection.asme.org/fluidsengineering/article-pdf/128/1/157/5525657/157_1.pdf

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