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This paper is focused on the study of the quality of experience lived by tourists when visiting a cultural heritage destination by using a tourist product based on a virtual tour. The research is justified by the increased demand by tourists to have a memorable experience in a destination as well as the growing offer on virtual reality and augmented reality technologies applied to the tourism sector. The database consists of online comments extracted from those who visited two well-known tourism destinations in Spain, Seville and Barcelona, where the immersive virtual reality technology named Past View is currently used. A total of 119 online comments on the tourists' experience after the use of the Past View smart glasses and posted in the e-WOM community Trip Advisor were valid for the analysis. Using a correspondence analysis of textual data, the results shed light about how virtual reality technologies influence on tourists' quality of experience. The findings drawn from the empirical analysis provide destination marketing organizations suitable and useful information to promote the destination and therefore encouraging entrepreneurs to innovate in tourism sector to attend the desire of tourists to have a memorable tourist experience. [ABSTRACT FROM AUTHOR]

Solar-powered air conditioners offer a high potential for energy-efficient cooling with a high economic feasibility. They can significantly reduce the energy consumption in the building sector, which is essential to meet the greater ambition of reducing greenhouse gas emissions by 80% in the EU by 2050. This paper presents a computational model development capable of simulating the behaviour of a photovoltaic-assisted heat pump in different locations and working conditions. In addition, this model has been used to optimise a solar on-grid air conditioning system. The generated model has been validated with experimental data obtained in a real facility for a whole summer of operation (more than 100 tested days) in a Mediterranean climate (Alicante, Spain). According to the simulation results, the average Energy Efficiency Ratio (EER) of the system is 16.0, 10.7 and 7.8 in Barcelona, Madrid and Seville, respectively. The optimisation analysis has proven that the severity of the climatic region increases the costs as well as the optimum PV power to drive the AC unit. The obtained values for the the PV power and the annualised cost are 400 W and 506.2 € for Barcelona, 900 W and 536.7 € for Madrid, and 1300 W and 564.7 € for Seville. The annualised cost and the CO 2 emission levels are higher for the conventional system (no PV panels) than for the solar on-grid system, regardless of the installed PV power. This difference can be up to 66.64 € (10.55%) and 112.94 kg CO 2 (64.83%) per summer season in the case of Seville. [ABSTRACT FROM AUTHOR]

Music printing in the Iberian Peninsula has been little studied and rarely has this specialized aspect of book production been considered in the broader context of more general trends in printing there during the sixteenth century. Music historiography has tended to assume that music printing failed to flourish because of poor local demand. However, more recent evidence, including analysis of book inventories, suggests that there was a thriving market, based on both international and local distribution, but that the printing of music books was affected by many of the factors that beset printing in general, including the expense of importing high quality paper, limited availability of specialized fonts and the socio-economic vicissitudes of individual printers. This essay explores the dynamics of the production of and market for music books through analysis of three major cities – Seville, Barcelona and Madrid – which appeared to offer the right conditions but which ultimately produced only a limited number of editions. [ABSTRACT FROM PUBLISHER]

The authors have addressed in the past different railway engineering problems, mainly using computer algebra systems. They recently showed how it was possible to obtain compatible routes overtaking stations on double track lines (with any number of tracks and any topology) dealing with cycles. As a side achievement it was found that there were alternative track layouts for this type of railway station. Here a complete and comprehensive new package denoted Estaciones , also implemented in Maple , that does not use cycles, is introduced. It offers different procedures related to reachability, trails, number of shortest paths, etc. As main achievement, an improved track layout diagram for overtaking stations (with advantages with respect to the one in the previous paper) is found. Note that track layout diagrams are a hot topic: for example, Adif (Spanish infrastructure administrator) is nowadays remodelling the track layouts of the main railway stations of Madrid, Seville and Barcelona. [ABSTRACT FROM AUTHOR]