A numerical study was carried out to investigate the thermal and flow fields of a two-dimensional vented cavity subjected forced convection turbulent flow. The with three distinct configurations inlet outlet ports having different cases top surfaces, i.e. flat, semi-elliptical semi-circular studied numerically for range Reynolds numbers. objective is effect curved wall surface on heat transfer ...

Head injuries incurred while playing ice hockey result from a range of impact energies. The objective of this study was to compare the impact energy attenuation range of conventional multi-impact materials incorporated in ice hockey helmets to a new multi-impact technology, referred to as a ‘chamber’. Three densities of 2.6 cm thick vinyl nitrile foam and two hardness values of the chamber were...

On August 8, 1786 Michel Gabriel Paccard, the village doctor in Chamonix, with his guide Jacques Balmat, made the first ascent of Mont Blanc, and reached a height at which scientific opinion of the day considered life to be insupportable. Since that date the ways in which the body adapts to high altitude have interested in turn the physiologist, the mountaineer, the aviator, and now the cardiol...

We review here a series of experiments on the fragmentation instabilities that a liquid drop undergoes as it falls inside a fluid with which it is miscible, so called the solvent. Motivated by the original experiments initiated by Thomson and Newall in 1885, we started to investigate this subject more than one decade ago, encountering up to date a number of challenging problems in hydrodynamica...

1 Eric Swanson, MD Swanson Center Leawood, Kans. Sir: C et al1 conclude that radiofrequency-assisted liposuction provides greater skin contraction of the arms than aggressive superficial liposuction. Unfortunately, no measurement data are presented, only the percentage changes in 10 patients. Two patients underwent skin excisions. The authors do not report the inclusion rate or whether their st...

We consider the problem of blood flow in an artery and in the presence of an overlapping stenosis, which is also assumed to have an axisymmetric shape. The blood flow in the arterial tube is assumed to be a suspension of red cells in plasma. The present formulation makes use of the variable fluid viscosity modeling that takes into account the amount of red cells in the blood fluid flow system. ...

Impact experiments in granular media are usually performed with solid projectiles that do not fragment at all. Contrastingly, we study here the morphology produced by the impact of spherical granular projectiles whose structure is utterly lost after collision. Simple and complex craters are observed, depending on the packing fraction of the balls. Their diameters D and depths z are analyzed as ...

This study aims to investigate the effects of wearing high (HS) & low-top (LS) basketball shoes on the ankle joint kinematics, kinetics, and performance in the sagittal plane during different maneuvers. 12 subjects performed weight-bearing dorsiflexion (WB-DF) movement, drop jumps (DJ), and lay-up jumps (LU) in two shoe conditions. Wearing HS can significantly reduce ankle joint excursion in WB...

In this paper we presents a method for handling multiple metrics and different network parameters simultaneously to analyze the loss factor of routing protocols in mobile ad hoc network(MANET) environments. We have used Taguchi’ loss function to determine the best parameters giving maximum throughput, packet delivery ratio (PDR), average delay, DROP and routing over head simultaneously for AODV...

-In this paper we presents a method for handling multiple metrics and different network parameters simultaneously to analyze the loss factor of routing protocols in mobile ad hoc network(MANET) environments. We have used Taguchi’ loss function to determine the best parameters giving maximum throughput, packet delivery ratio (PDR), average delay, DROP and routing over head simultaneously for AOM...