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Rail-bridge interaction effects in single-track multi-span bridges. Experimental results versus numerical predictions under operating conditions
(National Technical University of Athens (NTUA). Institute of Structural Analysis and Antiseismic Research, 2020-09)
This paper is devoted to the analysis of rail-bridge interaction effects in railway
bridges under the circulation of moving trains. In a first approach, a bidimensional Finite Element model is implemented. The rail and ...
Mejora energética de sistemas de subenfriamiento mecánico en plantas de refrigeración con CO2
(Universidad Politécnica de Cartagena, 2022)
El subenfriamiento se está popularizando en los últimos años como solución de mejora energética de los sistemas de refrigeración con CO2. En concreto, los sistemas de subenfriamiento mecánico muestran un potencial de mejora ...
Modelling and experimental validation of a CO2 concentric tube evaporator using heat transfer correlations and flow pattern maps
(Universidad Politécnica de Cartagena, 2022)
Las regulaciones en materia de medio ambiente adoptan medidas cada vez más
restrictas en aras de reducir la contaminación medioambiental, principalmente regulan dos
aspectos en el mundo de la refrigeración, la carga ...
Analyzing Circular Economy Aspects in ISO Type I Ecolabelling Criteria
(Universitätsverlag der TU Berlin, 2021-04-01)
In recent years, a trend that moves towards the concept and development of circular
economy models has appeared, focusing on ensuring that the values of products, materials and
resources remains in the economy for as ...
KATCH_e: Training materials and tools for circular economy in practice
(Institute for Sustainability Science and Technology , Universitat Politècnica de Catalunya, 2019-10-15)
KATCH_e is a knowledge alliance between research centres, universities and companies to build competences in the field of product-service development for the circular economy and sustainability. This ERASMUS + funded project ...
Dynamic properties of two pedestrian woodn bridges incluiding seasonal effects
(National Technical University of Athens (NTUA). Institute of Structural Analysis and Antiseismic Research, 2020-09)
The dynamic properties of two pedestrian wooden bridges situated in the Stockholm
area have been determined experimentally. The main purpose was to investigate if these
properties are season dependent. For that, tests ...
Experimental study of railway bridges of several structural typologies
(National Technical University of Athens (NTUA). Institute of Structural Analysis and Antiseismic Research, 2020-09)
This work is devoted to the experimental evaluation of the dynamic response of railway bridges with common typologies in short-to-medium spans.
Vertical coupling effect of the ballasted track on the dynamic behavior of multitrack railway bridges composed by adjacent decks
(National Technical University of Athens (NTUA). Institute of Structural Analysis and Antiseismic Research, 2020-09)
In the present contribution the effect of the continuity of the ballasted track on the
dynamic response of simply-supported railway bridges composed by structurally independent
adjacent slabs at each span is addressed. ...
Evaluation of zerotropic mixtures as refrigerants in a dedicated subcooling system of a CO2 refrigeration plant
(Universidad Politécnica de Cartagena, 2022)
Prof. Baomin Dai suggested in 2018 that the use of zeotropic mixtures with high
glide could provide energy improvements as refrigerants in dedicated mechanical subcooling systems for CO2 plants due to matching of temperature ...
Spanish social housing in the 20th century: Typological analysis of residential complexes built in Castellón in the 1950s
(WIT Press, 2019-10-07)
Since the 1940s, populations of Spanish cities have grown intensely, which was motivated mainly by
rural emigration. In order to provide housing for such population growth, a great deal of social housing
was built. The ...