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In recent years, substantial advancements have been made in the methodology of constructing material wear maps [1-3]. The maps make it possible to locate the dominating wear mechanisms in parameterized enforcement areas. The method constitutes a powerful tool for analyzing the mechanisms of material damage, the optimization of material choice and the conditions of use. Recently, the maps of corrosion and erosion wear as the function of the following parameterized enforcements have been made [3]:

The article deals with the issues of cold chain transport. One of the most important criteria of the process’ efficiency is temperature stabilization. At the Institute of Machines and Motor Vehicles of Poznan University of Technology, original computer software for heat exchange simulation was created. The software makes it possible to forecast temperature changes at the time of transport depending on the vehicle itself as well as the exploitation conditions. In the article, verification results of the computer software are also presented. The verification involved the comparison of the results (changes in the temperature of the goods) with the research results. The experiment involved cooling the load and monitoring its temperature. The verification covered five different states of enforcement. In the tests, such parameters as thermal insulation of the body, the original temperature of the load, cooling efficiency of the unit as well as ambient temperature were examined. In all of the cases it was found that the results of computations were within the range of variability of results registered during the research. The computer software under discussion may therefore be used to point to probable causes of significant temperature increase of transported goods in real-life situations. In the second part of the article, analyses of simulations of two such cases were presented. In each of the situations, the decisive factor resulting from the numerical forecast was confirmed by the results of insurance company's investigations. Therefore the simulation software might constitute an efficient tool supporting the decision making process with respect to the organization of cold chain transport.

This paper analyses the state of knowledge on the range of analytic modeling of wear in conditions of corrosive and mechanical interactions. So the achieved knowledge has allowed us to formulate our own complex calculation algorithm. Based on that, the authors have elaborated a computer program enabling a full simulation of corrosive and mechanical wear of rough surfaces in pin – on – disc situation. The results of simulations and experimental tests are given in the paper.

This paper shows the possibilities of sliding pair’s calculation evaluation with the use of the generalized wear model where the wear rate v is a function of friction parameters p, v and complex constants K and x. It also estimates the inaccuracy (uncertainty) scale of methods making up the reliability prediction algorithm, especially in connection with the choice of: the method of transformation of random arguments distribution into the function distribution of the kinematic pairs stability, pseudorandom-number generators, contact stress characteristics.