Hybrid system for automatic detection of gunshots in indoor environment

Multimedia Tools and Applications - Automatic gunshot detection technology allows incidence response system to counteract the potential of crimes. However, the surveillance systems suffer from...     

Resource-based direct manipulation: a user-centric visual interface for operational customization of future smart appliances

Telecommunication Systems - In the current era of IoT, home appliances like dishwashers, washing machines, and coffee makers, etc. are being equipped with internet access and sensing resources to...     

Uniform Temperature Cylindrical Furnace

A method of calculating the variation in temperature along the axis of a uniformly wound cylindrical furnace is given. Methods have been suggested for obtaining a predetermined field of temperature, including uniform temperature in a furnace. The following has been shown.     

Correction to: Elastic caching solutions for content dissemination services of ip-based internet technologies prospective

Multimedia Tools and Applications - The article title in the original publication of this article contains a mistake.     

Multimedia based IoT-centric smart framework for eLearning paradigm

Multimedia Tools and Applications - Multimedia content boosts the learning trends. This paper is aimed to presents an electronic learning system based on Internet of Things (IoT) for the...     

Plagiarism detection in students’ programming assignments based on semantics: multimedia e-learning based smart assessment methodology

Multimedia Tools and Applications - The multimedia-based e-Learning methodology provides virtual classrooms to students. The teacher uploads learning materials, programming assignments and quizzes...     

MDCBIR-MF: multimedia data for content-based image retrieval by using multiple features

Multimedia Tools and Applications - Due to recent development in technology, the complexity of multimedia is significantly increased and the retrieval of similar multimedia content is an open...     

Nanofiltrationsmembranen für Trennprobleme in organischen Lösungen

Nanofiltration Membranes for Separation Problems in Organic Solutions . Nanofiltration based on rejection and flux features intermediate between those ultrafiltration and reverse osmosis is one of the technically and scientifically interesting membrane processes with a great future. Moreover, most commercial available nanofiltration membranes are only suitable for separation processes in aqueous solutions. A small number of composite membranes with a highly cross-linked selective layer show a technically interesting resistance towards organic solvents, such as ketones, esters, ethers or alcohols. The present article describes such nanofiltration membranes used for separation of low molecular weight chemical compounds from polar or nonpolar solvents, but also for the removal of organic compound from aqueous solutions. Methods of manufacturing and modifying such solvent stable composite membranes are shown, as are the conditioning of membranes and examples of industrial application.     

A molecular dynamics simulation of droplet evaporation

A molecular dynamics (MD) simulation method is developed to study the evaporation of submicron droplets in a gaseous surrounding. A new methodology is proposed to specify initial conditions for the droplet and the ambient fluid, and to identify droplet shape during the vaporization process. The vaporization of xenon droplets in nitrogen ambient under subcritical and supercritical conditions is examined. Both spherical and non-spherical droplets are considered. The MD simulations are shown to be independent of the droplet and system sizes considered, although the observed vaporization behavior exhibits some scatter, as expected. The MD results are used to examine the effects of ambient and droplet properties on the vaporization characteristics of submicron droplets. For subcritical conditions, it is shown that a spherical droplet maintains its sphericity, while an initially non-spherical droplet attains the spherical shape very early in its lifetime, i.e., within 10% of the lifetime. For both spherical and non-spherical droplets, the subcritical vaporization, which is characterized by the migration of xenon particles that constitute the droplet to the ambient, exhibits characteristics that are analogous to those reported for “continuum-size” droplets. The vaporization process consists of an initial liquid-heating stage during which the vaporization rate is relatively low, followed by nearly constant liquid-temperature evaporation at a “pseudo wet-bulb temperature”. The rate of vaporization increases as the ambient temperature and/or the initial droplet temperature are increased. For the supercritical case, the droplet does not return to the spherical configuration, i.e., its sphericity deteriorates sharply, and its temperature increases continuously during the “vaporization” process.