1,314 Hits in 4.0 sec

Application of ultrasound Doppler technique for in-line rheological characterization and flow visualization of concentrated suspensions

Reinhardt Kotzé, Johan Wiklund, Rainer Haldenwang
2016 Canadian Journal of Chemical Engineering  
Initial results obtained in concentrated cement pastes and grouts (bentonite and kaolin clay) showed that UVP is a feasible and promising technique for flow characterization in viscous fluids.  ...  It has been evaluated for several potential industrial applications including paper pulp, foods, transient flows, and model mineral suspensions.  ...  Latest Developments: The Flow-Viz System The Flow-Viz TM system ( is an in-line rheometric unit which operates based on the UVP þ PD principle.  ... 
doi:10.1002/cjce.22486 fatcat:pswwirzjgvflna4jbeczdjll7a

Characterization of Acoustic Beam Propagation Through High-Grade Stainless Steel Pipes for Improved Pulsed Ultrasound Velocimetry Measurements in Complex Industrial Fluids

Tafadzwa John Shamu, Reinhardt Kotze, Johan Wiklund
2016 IEEE Sensors Journal  
However, in order to improve the current design for non-invasive measurements in industrial fluids, pulsed ultrasound sensors need to be acoustically characterized.  ...  The newly developed Flow-Viz rheometric system is capable of performing detailed non-invasive velocimetry measurements through industrial stainless steel pipes.  ...  ACKNOWLEDGMENT CPUT and SP for providing the test facilities required to complete this research work.  ... 
doi:10.1109/jsen.2016.2569491 fatcat:pishv7mq4bazpebdfyq66tojuy

Ultrasonic Doppler method for velocity profile measurement in fluid dynamics and fluid engineering

Y. Takeda
1999 Experiments in Fluids  
A Tokuhiro for their constant and encouraging support for many cases in my activity and for making this review.  ...  Acknowledgment The author is grateful to many investigators who have employed the UVP method in their investigations, especially Dr. G. King and Dr.  ...  Flow mapping In fact, a flow mapping is quite often an integral task in the industrial design of cooling channels and shrouds.  ... 
doi:10.1007/s003480050277 fatcat:lkuxsav3mvfflbqqw3fj5scjmy


Terenziano RAPARELLI
1999 Proceedings of the JFPS International symposium on fluid power  
In the first section, the field of pneumatics is compared with that of hydraulics and then analyzed in greater detail, focussing on five product sectors.  ...  Pneumatics in Italy is analysed with reference both to its commercial aspects and as regards the more scientific and technological issues connected with the development of pneumatic components and devices  ...  _The major advantages of this regulator are provided by integration with an analog or digital control system (PC, PLC, etc).  ... 
doi:10.5739/isfp.1999.29 fatcat:aawblb2wwfffxavk72cm5xnlsm

Front Matter: Volume 9232

2014 International Conference on Optical Particle Characterization (OPC 2014)  
Publication of record for individual papers is online in the SPIE Digital Library.  ...  SPIE uses a six-digit CID article numbering system in which: The first four digits correspond to the SPIE volume number.  ...  applications.  ... 
doi:10.1117/12.2077312 fatcat:kakcli4rqvh7vdzg2z4z3vifuu


N. K. Chavda .
2014 International Journal of Research in Engineering and Technology  
of double pipe heat exchanger for parallel flow and counter flow arrangement.  ...  In the present paper, an experimental investigation is carried out to determine the effect of various concentration of Al 2 O 3 nano-dispersion mixed in water as base fluid on heat transfer characteristics  ...  The authors have also approached to GUJCOST for financial support. The authors are also thankful to the students of the college for providing their untiring support and efforts wherever needed.  ... 
doi:10.15623/ijret.2014.0312006 fatcat:ayfwrstyy5dmbbmew42ehci3py

Centrifugal microfluidics for biomedical applications

Robert Gorkin, Jiwoon Park, Jonathan Siegrist, Mary Amasia, Beom Seok Lee, Jong-Myeon Park, Jintae Kim, Hanshin Kim, Marc Madou, Yoon-Kyoung Cho
2010 Lab on a Chip  
This paper presents an in-depth review of the centrifugal microfluidic platform, while highlighting recent progress in the field and outlining the potential for future applications.  ...  The centrifugal microfluidic platform has been a focus of academic and industrial research efforts for almost 40 years.  ...  The flow of fluids in a centrifugal platform has been well characterized; centrifugal flow rates depend on the rotational speed, radial location of the fluid reservoirs/channels, channel geometry, and  ... 
doi:10.1039/b924109d pmid:20512178 fatcat:yz3jxvg4pfhldphbuq45cbgwdm

Numerical modeling and experimental validation of uniform microchamber filling in centrifugal microfluidics

Jonathan Siegrist, Mary Amasia, Navdeep Singh, Debjyoti Banerjee, Marc Madou
2010 Lab on a Chip  
The resulting fluidic flow in such systems can be complex and is not well characterized.  ...  flow; Movie Cmovie of numerical simulation from condition D, showing fluid velocity; Movie D -movie of numerical simulation from condition H, showing fluid flow; Fig.  ...  The authors also wish to acknowledge the support by ESI-CFD in providing the modeling tools (CFD-ACE+) and technical support for the software.  ... 
doi:10.1039/b917880e pmid:20300674 fatcat:rsuk2skplndm5ahdgbeow332me

Performance Assessment of Different Solar Energy Technologies Based on Energy and Exergy Analyses Method: A Review

Muhammad Jamilu Ya'u
2017 International Journal of Sustainable Development Research  
Renewable energy system usually refers to as an environmentally friendly energy system and most reliable and cost efficient one.  ...  The utilization of renewable energy offers a wide range of exceptional benefits of human life, therefore its necessity for researchers to find ways of increasing the performance of the system in order  ...  Energy is an essential and integral ingredient for socio-economic and technological development of a nation [5] .  ... 
doi:10.11648/j.ijsdr.20170306.12 fatcat:er5sdsiemjexvpuq6f2zq6cbmu

Transient stress evolution in repulsion and attraction dominated glasses

Christian P. Amann, Matthias Fuchs
2014 Journal of rheology  
We present results from microscopic mode coupling theory generalized to colloidal dispersions under shear in an integration-through-transients formalism.  ...  Stress-strain curves in start-up shear, flow curves, and normal stresses are calculated with the equilibrium static structure factor as only input.  ...  Siebenb€ urger for help in interpreting the experimental data, and the Deutsche Forschungsgemeinschaft (DFG) for financial support in the initiative FOR 1394, project P3.  ... 
doi:10.1122/1.4881256 fatcat:vjwz4kchkjdbjn2gk44xbtldtm

Three-dimensional system-in-package using stacked silicon platform technology

V. Kripesh, Seung Wook Yoon, V.P. Ganesh, N. Khan, M.D. Rotaru, Wang Fang, M.K. Iyer
2005 IEEE Transactions on Advanced Packaging  
An integrated cooling solution for 3-D stacked modules using single-phase and two-phase cooling solutions is also demonstrated for high-power applications.  ...  In this paper, a novel method of fabricating threedimensional (3-D) system-in-package (SiP) using a silicon carrier that can integrate known good dice with an integrated cooling solution is presented.  ...  Ranganathan who helped in the process development. The authors also thank C. S. Premachandran for reviewing the paper and for his valuable comments. The authors would also like to thank K.  ... 
doi:10.1109/tadvp.2005.852895 fatcat:zpuhjowxczgc5crrsznghddc4a


N. K. Chavda .
2015 International Journal of Research in Engineering and Technology  
heat exchanger for parallel flow and counter flow arrangement.  ...  In the present paper, an experimental evaluation has been carried out to determine the effect of various concentration of CuO nanoparticles mixed in water on heat transfer characteristics of double pipe  ...  Patel Institute of Technology, New Vallabh Vidyanagar for providing the useful resources and the management of the college and Charutar Vidya Mandal for providing financial support to carry out the experimentation  ... 
doi:10.15623/ijret.2015.0404119 fatcat:vtxsyez6ojharjssiiwp4sivfe

Analysis of Exhaust Manifold using Computational Fluid Dynamics

Marupilla Akhil Teja, Katari Ayyappa, Sunny Katam, Panga Anusha
2016 Fluid Mechanics Open Access  
Overall engine performance of an engine can be obtained from the proper design of engine exhaust systems.  ...  Flow through an exhaust manifold is time dependent with respect to crank angle position.  ...  V-Type engines have two exhaust manifolds, and an in-line engine usually has one. When intake and exhaust manifolds are on opposite sides of an in-line engine, the head is called a cross-flow head.  ... 
doi:10.4172/2476-2296.1000129 fatcat:avgaiavzmner5jal2xhftzyq6y

Optimal Designs of Staggered Dean Vortex Micromixers

Jyh Jian Chen, Chun Huei Chen, Shian Ruei Shie
2011 International Journal of Molecular Sciences  
Dean vortices induced by centrifugal forces in curved rectangular channels cause fluids to produce secondary flows.  ...  The split-and-recombination (SAR) structures of the flow channels and the impinging effects result in the reduction of the diffusion distance of two fluids.  ...  And we pay our great thanks to the National Nano Device Laboratories for access to process and analysis equipment. Daryl Switak is appreciated for his editorial assistance.  ... 
doi:10.3390/ijms12063500 pmid:21747691 pmcid:PMC3131575 fatcat:5mwnlghn6zbujmgfsqzyp22poy

Present State of CFD Softwares Application for Launch Vehicle Analysis
발사체 해석을 위한 CFD 소프트웨어 적용 현황

Hwanghui Jeong, Jae Yeol Kim, Jae-Ryul Shin
2020 Journal of the Korean Society of Propulsion Engineers  
This software program takes an XML representation of the contents of a Hierarchical Data Format-Earth Observing System (HDF-EOS) file and recreates the file from that description .  ...  Please visit the following URL for additional information: http://opensource .gsfc .nasa .gov/projects/xml2he/index .  ...  SINDA was completely rewritten in 1985, and the fluid flow for that version was added in 1987 .  ... 
doi:10.6108/kspe.2020.24.3.071 fatcat:trxkhiuqrjakll32bcjxskgwju
« Previous Showing results 1 — 15 out of 1,314 results