Purpose
The development of tourism is emerging in some places of the world’s destinations and the problem of overtourism is an expression of the mechanisms and behaviours of entities in the public space that is a city or region. For many years, on the practical and theoretical ground, various ways of describing these phenomena have been sought. These include the theory of stakeholders that combines approaches that refer to strategic management, value-chain theory, resource-based theory, CSR concepts or those embedded in the institutional concept, game theory and the theory of property rights. The paper aims to discuss these issues.
Design/methodology/approach
The paper discusses the overtourism problem from the point of view of selected aspects of stakeholder theory on the example of one of the most popular cities in the world – Krakow, where for several years there has been a discussion about overtourism and the effects of this phenomenon for residents, enterprises and other stakeholders. It can be hypothesised that the stakeholder theory and co-management can be an inspiration to seek a solution to this growing problem.
Findings
The result of the discussed problems is the indication of the role of stakeholders in the appearance of the ovetourism phenomenon and the protection of activities aimed at implementing the co-management concept at the local and international level.
Research limitations/implications
Here are not many research results and the empirical data describing the problem from point of view stakeholder theory connected with overtourism. It is also the problem of overlapping different approach and theories. This shows possibilities to grow of research in this field.
Practical implications
Stakeholders theory help to solve many problems in corporate management as well as in public institutions. It gives the possibilities to include in analysis different social groups and entities. This kind of research and approach could be used for creating of the regional policies and sustainable development. An important role to play in the process of creating co-operative structures between stakeholders has co-managerial and academic environments. They can be a place for both discussions, conducting research and a meeting place for thematic groups solving specific problems.
Social implications
Overtourism is a problem concerning various areas of functioning of historical cities. They are obliged to provide and protect the cultural heritage of all humanity. The theory of stakeholders and the co-management concept create the possibility of managing the ovetourism phenomenon. They have, therefore, an important social aspect. Their goal is to cooperate and integrate activities around key social and economic problems at the local, national and international levels.
Originality/value
It is an adaptation and searching of methods for describing the new phenomena in tourism and cities development. It is an attempt at a holistic approach to problems related to the common space and resources owned by various stakeholders.
The centrifugal disc finishing process is an abrasive technique of mass machining, and it is very effective but very frequently time consuming. In this paper, a simulation of the centrifugal disc finishing process was presented in order to estimate the kinetic energy distribution of the working medium and to find its regions that make the process more efficient. Numerical results were obtained using an explicit method in the Ansys/Ls-Dyna program. Due to the fact that the physical properties of numerous objects in free motion need to be calculated in a simulation process, the discrete element method (DEM) was used. Results from the numerical simulations indicate that the velocity and energy of particles is variable in an axial cross-section of working medium. The article presents particle velocity distributions in the working chamber for various rotational speeds of the rotor. The typical changes in velocity in the function of time are also discussed. Statistical important functions of the average kinetic energy of the working medium and accumulated energy by machining surface have been estimated in respect to the rotational speed and machining time with a high value of adjustment coefficients. This article constitutes the first stage of research, which is continued in order to experimentally verify the results in the real process, as presented in the companion paper (Part 2: Experimental analysis with the use of acoustic emission signal).
This paper addresses the problem of estimating the kinetic energy distribution of the working medium in a centrifugal disc finishing process. Centrifugal disc finishing is a highly effective way of finishing surfaces, especially in the case of complex shapes, made from a variety of materials. The process is, however, frequently very time-consuming. The identification method of a region with a high kinetic energy potential by measurement of acoustic emission signal is described and verified by surface roughness tests. Signal analysis was carried out in both time and frequency domain. The results presented in experimental tests and analyses indicate that various parameters of the AE signal, including its energy, are variable and determined by abrasive particles' velocity and location in an axial cross section of the working medium. On the basis of the root mean square value of the signal, the maps of the distribution of the energy potential of the working medium are presented. Experimental results demonstrate process improvement and a significant reduction (approx 60%) of the arithmetic mean deviation of surface roughness, obtained at the same time of machining. The article also presents the functional relations between the selected AE signal descriptors and the rotational speed of the working chamber rotor. Since the article is a continuation of the previous studies, the results obtained were briefly referred to the simulation results.
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