NDLI: P2L-3 Effects of Sound Field and Acoustic Streaming on Nanometer Sized Diamond Particles Dispersion System using Ultrasound

Content Provider	IEEE Xplore Digital Library
Author	Uchida, T. Kikuchi, T. Kawashima, N. Takeuchi, S.
Copyright Year	2006
Description	Author affiliation: AIST, NMIJ, Tsukuba (Uchida, T.; Kikuchi, T.)
Abstract	We reported the improvement of dispersion of nanometer sized diamond particles using shock wave and active oxygen species by acoustic cavitation at 155 kHz in 2004 IEEE International UFFC Joint 50th Anniversary Conference in Montreal. Average sound pressure calculated from sound pressure distribution in horizontal plane at distance of 10 mm from a stainless steel vibrating disk in water tank was used as acoustic index for improvement of dispersion of the diamond particles. The measured horizontal plane was on the loop of the standing wave acoustic field. However, improvement of dispersion characteristics of the particles was performed in whole water in the water tank. Therefore, each sound pressure distribution in horizontal plane at the distances of 10 mm to 95 mm from the stainless steel vibrating disk was measured by hydrophone. Sound pressure distribution all over water in the water tank was observed three dimensionally. The generation of active oxygen species in the water tank was estimated by observation of sonochemical luminescence. As the results, higher sound pressure than 100 kPa was measured in central region lower than height of 55 mm from the stainless steel vibrating disk in the water tank. Sonochemical luminescence could not be observed in above region in the water tank. They were contradictory results. We guess that the acoustic streaming prevents from trapping cavitation bubble at the loop of standing wave sound field. We think that the acoustic streaming is one cause of the contradictory results. Homogenous sound pressure distribution is required improvement of dispersion characteristics of nanometer sized diamond particles by ultrasound exposure
Starting Page	1836
Ending Page	1839
File Size	400028
Page Count	4
File Format	PDF
ISBN	1424402018
ISSN	10510117
DOI	10.1109/ULTSYM.2006.462
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2006-10-02
Publisher Place	Canada
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Dispersion Ultrasonic imaging Acoustic waves Steel Acoustic measurements Water Vibration measurement Pressure measurement Luminescence Shock waves
Content Type	Text
Resource Type	Article

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in