OBJECTIVES To compare transmitted forces through ethylene vinyl acetate (EVA) mouthguard material and the same EVA material with gas inclusions in the form of a closed cell foam. METHOD EVA mouthguard materials with and without foam gas inclusions and 4 mm thick were impacted with a constant force from an impact pendulum. Various porosity levels in the foam materials were produced by 1%, 5%, ...

BACKGROUND Foam pads are increasingly used on force platforms during balance assessments in order to produce increased instability thereby permitting the measurement of enhanced posturographic parameters. A variety of foam pads providing different material properties have thus been used, although it is still unclear which characteristics produce the most effective and reliable tests. Furthermor...

A finite element analysis (FEA) was made of the stress distribution in the heelpad and a running shoe midsole, using heelpad properties deduced from published force-deflection data, and measured foam properties. The heelpad has a lower initial shear modulus than the foam (100 vs. 1050 kPa), but a higher bulk modulus. The heelpad is more non-linear, with a higher Ogden strain energy function exp...

There are six major steps involved in responding to rapidly spreading poultry disease outbreaks including biosecurity, surveillance, quarantine, mass emergency depopulation, mass carcass disposal, and decontamination. Water-based foam is one of the methods used for mass emergency depopulation during severe disease outbreaks. This project evaluated the logistics of foam depopulation in two exper...

We present a physically based real-time water simulation and rendering method that brings volumetric foam to the real-time domain, significantly increasing the realism of dynamic fluids. We do this by combining a particlebased fluid model that is capable of accounting for the formation of foam with a layered rendering approach that is able to account for the volumetric properties of water and f...

The use of graphene-based nanocomposites as electromechanical sensors has been broadly explored in recent times with a number of papers describing porous, foam-like composites. However, there are no reported foam-based materials that are capable of large dynamic compressive load measurements and very few studies on composite impact sensing. In this work, we describe a simple method of infusing ...

non- alcoholic malt drinks are popular in many countries including muslim countries. in iran, these drinks are prepared in a manner similar to beer, but without fermentation and are generally produced using barley malt. in this study, malt drinks with ratios of 0:100, 25:75, 50:50, 75:25 and 100:0 of barley to oat malts, the latter obtained under optimum conditions in terms of its enzymes activ...

Innovative top-of-the-line corrosion (TLC) inhibition techniques are being investigated as an alternative to batch treatment. A novel idea consists of injecting the corrosion inhibitor within a foam matrix. Previously, a “proof of concept” validation of the novel TLC mitigation method was successfully conducted in a small-scale laboratory setup. The findings in this paper present the next step ...

Different foam formulations are or could become available where the use of film-forming foam is potentially restricted. Alternative foam formulations have different levels of fire extinguishment and burnback performance. The intent of this paper is to present a framework for determining “how good is good enough” in terms of foam agent performance. The focus is on the required fire extinguishing...