R. Samso, N. Forquet, P. Molle, J. Garcia
Department of Hydraulic, Maritime and Environmental Engineering, Universitat Politècnica de Catalunya-BarcelonaTech, Barcelona, Spain
IRSTEA, Freshwater Systems, Ecology and Pollution Research Unit, Villeurbanne, France
Horizontal-Flow Constructed Wetlands (HFCWs) are a particular type of biofilter, and as such they rely mostly on the activity of bacterial communities to treat wastewater. Bacterial growth in HFCWs induces dramatic changes in its hydraulic and hydrodynamic behaviour (bioclogging), which may eventually result in overland flow of wastewater. Consequently, clogging is the main cause of premature ...
P. K. Jain , J. D. Freels ,
 Oak Ridge National Laboratory, Oak Ridge, TN, USA
Engineering design studies of the feasibility of conversion of the High Flux Isotope Reactor (HFIR) from high-enriched uranium to low-enriched uranium fuel are ongoing at ORNL as part of an effort sponsored by the U.S. Global Threat Reduction Initiative program. HFIR is a very high flux, pressurized light-water-cooled and moderated, flux-trap type research reactor whose current missions are to ...
S. Kulkarni , V. Juvekar ,
 Indian Institute of Technology Bombay, Mumbai, India
The extensional flow of viscoelastic flow is encountered during fibre spinning processes. A variety of polymers such as polyesters, polyacrylonitrile, rayon, acrylic, spandex etc are manufactured using this process. In the spinning process, polymer melt/ solution is extruded in the form of jet, through a porous plate called spinneret, into a bath having a suitable environment which allows ...
A. Chusov , E. Rodikova , D. Belko ,
 Streamer Electric Inc., Saint Petersburg, Russia
 Streamer Electric Inc. and Saint Petersburg State University, St. Petersburg, Russia
Line lightning protection devices (LLPD) nowadays are widely used for lightning protection of overhead power lines. LLPD is composed of electrodes in series embedded in silicone rubber which all together forms sequence of spark gaps. When lightning overvoltage is applied it causes electrical breakdown in every spark gap. From this point spark gap starts to operate as discharge chamber, ...
Computational Study on Transition of Oil-Water Flow Morphology due to Sudden Contraction in Microfluidic Channel - new
J. Chaudhuri, S. Timung, T. K. Mandal, D. Bandyopadhyay
Indian Institute of Technology Guwahati, Guwahati, Assam, India
The flow morphology of two immiscible fluids in a microfluidic device finds numerous applications such as emulsification, synthesis of nanomaterials , lab-on-a-chip devices and biological analysis . It offers many advantages over the conventional macroscopic devices because of its availability for higher surface to volume ratio, ability to handle small volume of fluids, easier process ...
J. Moder , F. Grün ,
 Chair of Mechanical Engineering, Montanuniversität, Leoben, Austria
Highly loaded lubricated machine elements such as gears or camshafts are an integral part in a wide variety of technical products. Due to higher efficiency requirements these machine elements have to be improved continuously, which leads to the necessity to investigate physical phenomena taking in place in the contact zone. Because of very low film thicknesses the surface microstructure plays ...
M. Hashiguchi ,
 Keisoku Engineering System Co., Ltd., Chiyoda-ku, Tokyo, Japan
Vortex ring can be useful to generate thrust force for e.g., jellyfish, but its mechanism has not been clarified. In this field, it seems that numerical simulation has an important role of understanding the propulsion mechanism of creature. A vortex ring in a tube, refered to confined vortex ring, have been far less studied compared with unconfined vortex rings, despite their importance for many ...
S. F. Azam , G. Cathcart,
 RCAST, The University of Tokyo, Tokyo, Japan
The objective of this paper is to achieve a complete and rapid efficient mixing of numerous sample in micro-scale devices of microfluidic system. The principle of microfluidics is extensively used in a number of fields such as biomedical, healthcare, biochemical, drug research and other applications. These microfluidic devices with mathematical simulations are appropriately utilized in ...
Boundary conditions in multiphase, porous media, transport models of thermal processes with rapid evaporation
A. Datta, and A. Halder
Biological and Environmental Engineering, Cornell University, Ithaca, New York, USA
In modeling of thermal processing of biological materials with rapid evaporation, it is critical to provide boundary conditions consistent with the phenomena happening at the surface to accurately predict spatial temperature and moisture content for quality and safety assurance. Boundary conditions in a mathematical model are as important as governing equations itself and describe how the heat ...
G. Marinaro, A. Accardo, E. Di Fabrizio
Istituto Italiano di Tecnologia, Nanostructures Department, Genova, Italy
Evaporation of sessile droplets is associated with simple phenomena such as the ring-like spot left by a drying coffee droplet. Evaporation rate plays an important role on the convective motion inside the droplet. These fluxes are for example one of the factors responsible for amyloid fibrillation of proteins, a mechanism present in neurodegenerative diseases such as Alzheimer. In our ...