Pavel Staša

Methane Diffusion in a Porous Environment

The paper deals with modeling and simulation of methane flow through the porous environment using the CFD (Computational Fluid Dynamics) software Fluent. We compare three situations, which can occur in areas, where mining activities were closed few years ago, in this article. First case is modeling of methane flow through the rocks. Second event is situation where the thin water layer is situated at the surface. The last one is occurrence of groundwater. The article responds to the need for knowledge of natural processes in the given area and it follows our previous papers [1], [2]. Software Gambit was used for creating a geometric model of the working area, for modeling the flow of gas it was used CFD software, Fluent from ANSYS, Inc..

Novel Aproach for Localization of Patients in Urgent Admission Department.

The Real-time Locating Systems (RTLS) are also well known as real-time location systems have recently become significantly important part of many location aware systems. RTLS systems are primarily used for the object tracking placed indoor. This area relates to the healthcare environment where tracking and monitoring of patients are important. The paper deals with the overview of the possible applications of the RTLS systems in the healthcare facilities and their potential benefits. The paper also brings conceptual information about two currently developed systems with the cooperation of Trauma Center of University Hospital in Ostrava with a target of the patient database and mobile application development on the base of the Internet of Things allowing for fully digital archiving patient records. The second system focuses on the development of RTLS system based on the Infra Red (IR) system with anchors where the location of the patient is acquired using IR tags.

Augmented Reality-based approach for interpretation and visualization of methane flow behaviour

Abstract In this paper, the possibilities of alternative approach to the visual presentation of computer fluid dynamics modelling results are discussed. Related work and physical background are mentioned first, followed by the experimental results. The paper is focused mainly on the interpretation of the data obtained from the models’ simulation process with the help of Augmented Reality. The experimental deployment offers promising results and presents the way for further development in this field.

Object Localization for Determining Customer's Behavior: Auto-ID Based Approach

The paper discusses the possibilities of radio frequency identification technology for identification objects in defined space and thus determine customers behavior. This paper aims to analyze current methods of detecting movement and behavior of customer in the st ore area and to achieve the greatest automation possible with more accurate, faster processes of increased quality. The proposed system will collect a large amount of operational data, one of the objectives will also be to transform this data into information and extract the greatest possible amount of knowledge. The experiments described in this paper demonstrate feasibility and possibility of solution enabling tracking of objects in a given area.

Novel approach to shopping experience

The paper deals with application of new technologies for virtual shopping which is a part of the international project titled Internet of Things in Future Stores. The project aims to bring many novelties from the field of automatic identification and smart sensors into the shopping processes. One of the project results is also a retail store model created in 3D, designed to go through using virtual reality. The main purpose of this concept is to bring buyers a whole new look and experience of shopping compared to regular e-shops. Besides the experience for the consumer, the scientific potential is also hidden in this result. By analyzing the movement of individual shoppers in a virtual store, we can monitor their behavior, whether they shop in groups, where they look while shopping and which paths they take. Additionally, the virtual store model can be easily customized based on customer behavior analysis and serves as a product placement and arrangement of store lay out tool.

Mine Gas Flow in the Porous Massif and CFD Tool

There is a still dangerous effect in the form of methane leakage from coal seams in areas where mining activity still continuing or took place in the past. The issue of mining gas flow is still a matter that is necessary to pay attention and try to find new ways to solve this set of phenomena, no matter if it is the mining corridors or the flow in the rock massif. The number of measures to gradually reduce risk has been taken to protect the population. Nevertheless, the current situation is generally rated as serious as those risks still remain valid. Leakage of mine gases depend on many natural and technical mining conditions. With the closure of mines and thus the end of the ventilation situation considerably worse. This paper deals with the flow of dangerous mine gas, methane, through the rock mass using numerical flow modeling using CFD program Fluent. Using CFD codes can gain insight on the phenomenon under review and the results to take appropriate measures in the form of active or passive intervention.

The Potential of Automatic Identification and Augmented Reality in Mining

The article deals with synergies of tools of automatic identification, augmented reality and RFID technologies that could be an integral part of control and monitoring systems in mining industry. We can observe a penetration of smart phones and tablets into daily life that opens the door of advanced Augmented Reality application potential. Along with these trends, we follow the growing importance of automatic identification and RFID technology in industrial applications. Automatic identification technology is designed mainly to gather information and data on the behavior and state of the controlled and monitored objects. Identification and localization of moving objects in space is necessary for effective management in mining production processes. The aim of our research is to find synergies in the use of augmented reality with the benefits provided by AutoID transponders in mining industry, starting at transportation chains up to monitoring of location of technology and staff safety.

Application of CFD Programs and Supercomputing in Mining

Paper deals with utilization of CFD programs in mining, particularly the creation of an universal and easily customizable model of a rock environment. New supercomputing infrastructure at our VSB-Technical University of Ostrava Center of Excellence, IT for Innovation, provides possibility to create large 3D models of min environment. We can implement the supercomputing tools to study complex problems connected to gas flows in underground mines. We can give an example of simulation of a few degassing boreholes within rock environment model where it is possible to change the boundary conditions and to simulate various numbers of boreholes in the area. Based on this model we can easily find out the effective way how to degas the dangerous mine gas, methane, from the rock environment.

EPCIS Implementation and Customization for Automotive Industry

The article deals with the possibilities and advantages of implementing radio-frequency identification technology (hereinafter referred to as “RFID”) and the electronic product code information system (hereinafter referred to as “EPCIS”) in manufacturing facilities in the Czech Republic. It describes the common efforts of many partners aimed at establishing and implementing a customized system supporting members of the logistics and manufacturing chain, in particular, in the automotive industry. The article describes research and development in the field of EPCIS systems and experience of a RFID laboratory in the field of EPCIS, summarizing the steps achieved in the first year of the project.