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Flow Visualization Proposed for Vacuum Cleaner Nozzle Designs
Abstract: In 1995, the NASA Lewis Research Center and the Kirby Company (a major vacuum cleaner company) began negotiations for a Space Act Agreement to conduct research, technology development, and testing involving the flow behavior of airborne particulate flow behavior. Through these research efforts, we hope to identify ways to improve suction, flow rate, and surface agitation characteristics of nozzles used in vacuum cleaner nozzles. We plan to apply an advanced visualization technology, known as Stereoscopic Imaging Velocimetry (SIV), to a Kirby G-4 vacuum cleaner. Resultant data will be analyzed with a high-speed digital motion analysis system. We also plan to evaluate alternative vacuum cleaner nozzle designs. The overall goal of this project is to quantify both velocity fields and particle trajectories throughout the vacuum cleaner nozzle to optimize its "cleanability"--its ability to disturb and remove embedded dirt and other particulates from carpeting or hard surfaces. Reference
Publication Date: Jan 01, 2005
Document ID:
20050170416
(Acquired May 25, 2005)
Subject Category: FLUID MECHANICS AND THERMODYNAMICS
Document Type: Technical Report
Financial Sponsor: NASA Lewis Research Center; Cleveland, OH, United States
Organization Source: NASA Lewis Research Center; Cleveland, OH, United States
Kirby Co.; Cleveland, OH, United States
Description: 1p; In English
Distribution Limits: Unclassified; Publicly available; Unlimited
Rights: No Copyright
NASA Terms: CLEANERS; FLOW VISUALIZATION; VACUUM; NOZZLE DESIGN; DIRT; SUCTION; VELOCITY DISTRIBUTION; AIR POLLUTION; PARTICULATES
Availability Source: Other Sources
Availability Notes: Abstract Only
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