NDLI: Head Loss and Flow Characteristics for Turning Flow Driven by Surface Tension Force Inside Open Microchannel

Content Provider	The American Society of Mechanical Engineers (ASME) Digital Collection
Author	Chen, Y. F. Chen, M. H. Yu, R. J. Tseng, F. G. Chieng, Ching-Chang
Copyright Year	2004
Abstract	Present study demonstrates the head loss and the flow characteristics as the open microchannel makes turns. The microchannels are of various aspect ratios of depth/width ranging from 0.5 to 2, and makes turns with different angles ranging from 60 to 120 degrees. The investigations are performed both by experiments and numerical simulations based on first principle equations. For the open channel system, the flow is mainly driven by surface tension under same pressure atmosphere. For liquid flow in open microchannel without turn, the liquid front velocity decreases but the interface area of liquid-gas increase as flow moves downstream. For turning flows, liquid front velocity is decreased firstly and then increased sharply at the turning point. Furthermore, the liquid front velocity can be increased for higher aspect ratio of channel height and width, and the effect of aspect ratio is significant up to aspect ratio between 1.0–1.5. Detailed flow characteristics as well as the head loss coefficient due to microchannel turning are discussed.
Sponsorship	Nanotechnology Institute
Starting Page	439
Ending Page	444
Page Count	6
File Format	PDF
ISBN	0791841642
DOI	10.1115/ICMM2004-2366
Volume Number	ASME 2nd International Conference on Microchannels and Minichannels
Conference Proceedings	ASME 2004 2nd International Conference on Microchannels and Minichannels
Language	English
Publisher Date	2004-06-17
Publisher Place	Rochester, New York, USA
Access Restriction	Subscribed
Subject Keyword	Computer simulation Turning Surface tension Open channels (hydraulics) Flow (dynamics) Pressure Microchannels
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