Ignacio Guillen

Universitat Politècnica de València | UPV · Centre for Physics Technologies (CTFAMA)

Hospitals generate huge amounts of nonwoven residues daily. This paper focused on studying the evolution of nonwoven waste generated in the Francesc de Borja Hospital, Spain, over the last few years and its relation to the COVID-19 pandemic. The main objective was to identify the most impacting pieces of nonwoven equipment in the hospital and to an...

The accelerated growth of cities entails challenges in all sectors, and specifically, it has a close relationship with the construction sector. The Dominican Republic is a country where urban growth is increasing considerably, representing a problem of great magnitude in terms of the construction of social housing to reduce the housing deficit. In...

Exposure to high noise levels greatly impacts human health. For this reason, it is necessary to take into account the acoustic conditioning of built interior spaces, since human beings spend a large part of their time in them. To this end, each country must regulate and promote good construction practices that guarantee the mental and physical comf...

The first 3D-printed building in Spain is the object of this study, and it is presented and physically described herein from different points of view. This study combines on-site measurements , simulations, and a life cycle assessment to assess some relevant parameters concerning the acoustic, thermal and environmental performance of the 3D-printed...

Livro de atas do Congresso ptBIM 2022, onde se promove um fórum de discussão técnico-científica em língua Portuguesa nas metodologias ‘Building Information Modelling’ (BIM), envolvendo a participação ativa das comunidades profissional e académica das áreas de Arquitetura e Engenharia. Pretende-se enfatizar os problemas e esforços de implementação n...

The environmental implications of rice straw cultivation in the Spanish city of Valencia have generated controversy in recent decades. The paddy fields surround a natural park called Albufera, and the need to protect the local environment requires the cultivation to be as sustainable as possible. Every year over 75000 tons of rice straw generated a...

Theaters and auditoriums are one of the most important equipment in a city. The main parameter which determines the adaptation of theaters and halls to their intended activity is the reverberation time. It depends on the shape and size of the enclosure, the materials used in the construction of the enclosure and the way they are built. The absorp...

The ecological transition is a process the building industry is bound to undertake. This study aimed to develop new bio-based building partition typologies and to determine if they are suitable ecological alternatives to the conventional non-renewable ones used today. This work started with the development of a bio-based epoxy composite board and a...

Currently, Spanish Universities are involved in the implementation of the Sustainable Development Goals promulgated by the United Nations as part of the 2030 Agenda. In these Institutions, the implementation of these goals should not be limited to the institution itself, but as citizens' educators, a global and inclusive approach must be transmitte...

Green buildings have recently become a key aspect of the construction field and bring along a renovation of the whole industry chain. Such changes introduce new challenges for all subjects involved, and designers are also affected by such issues, especially for the development of projects based on international green building standards. Within this...

The potential offered by technologies is a reality that must be addressed and used in the Higher Education environments. Professors must be able to integrate technologies into their sessions and facilitate the work of the skill acquisition. The main objectives of this work are: i) to take advantage of the Lessons tool (PoliformaT) to evaluate the a...

A comparative LCA from cradle to grave between traditional plasterboard, for drywall applications, and different composite boards, made by natural fiber and a bio-based epoxy resin (Supersap CLR), was carried out. The goal of the study was to determine whether the composites based on such a resin combined with natural fibers could be an eco-friendl...

Las competencias transversales han provocado una reestructuración de materias, metodologías y materiales en la Educación Superior. La Universitat Politècnica de Valencia (UPV) ha comenzado a aplicar y evaluar estas competencias en sus grados, donde los alumnos son el centro del proceso de aprendizaje. Frente a esta situación, el presente estudio ti...

The development of a green-building project following a specific reference standard, such as LEED or BREEAM, brings new conditions and restrains for all subjects involved in the process. Within this scope, project management plays a key role for the optimization of the design-project development. This research develops a comparative analysis betwee...

There is an increasing interest in improving energy efficiency in buildings due to the increased awareness about environmental impact and energy cost. Natural ventilation is an environmentally friendly technique which has become more attractive way for reducing energy use while it also provides acceptable comfort conditions. The research shows a ca...

Environmental awareness has led to an increased concern about low carbon technologies implementation. Among these technologies, the following research is focused on the natural ventilation effect evaluation in buildings prior to its construction. The aim is to select the most suitable architectural solution to ensure comfortable indoor environment...

The regulatory framework established by the new European Directive on Building Energy Efficiency requires the implementation of measures to reduce energy consumption and increase the use of renewable sources. Therefore, efficiency improvement implies a reduction of energy demand in buildings, combined with improved performance of passive systems th...

Una de las principales amenazas detectadas para desarrollar la formación en competencias es la capacidad del profesorado para desarrollarlas en el día a día de sus clases, lo cual puede traducirse en una desmotivación del profesorado ante este reto. En este momento es esencial una importante labor de formación tanto para el profesorado como para el...

The development of a green-building project following a specific reference standard such as LEED, brings new conditions and restrains for all subjects involved in the process. Such changes affect technicians, owners, bureaucracy and also the management tasks either during design or construction phases. Within this scope, project management plays a...

Nowadays building designers have to face up to new strategies to achieve the best sustainable building designs. Well planned natural ventilation strategies in building design may contribute to a significant reduction on building’s energy consumption. Natural ventilation strategies are conditioned to the particular location of each building. To impr...

In this paper, different sorts of façades have been analyzed considering their thermal performance along a 24 h period. A numerical model was developed and compared with experimental measurements considering two different façades for buildings: on one side an opaque multilayer façade; and on the other side, a ventilated façade. The numerical model...

This study describes computational fluid dynamics (CFD) modeling of ventilated façade. Ventilated façades are normal façade but it has an extra channel between the concrete wall and the (double skin) façade. Several studies found in the literature are carried out with CFD simulations about the behavior of the thermodynamic phenomena of the double s...

The demand for maintaining high indoor environmental quality (IEQ) with the minimum energy consumption is rapidly increasing. In the recent years, several studies have been completed to investigate the impact of indoor environment factors on human comfort, health and energy efficiency. Therefore, the design of the thermal environment in any sort of...

In this paper the influence of slits on sound reduction index of double steel frame partitions with and without mineral wool in the cavity was examined. It was shown that the sound insulation of the partition is strongly dependent on the relative position of the slits on each steel frame. As could be expected, the reduction in sound insulation due...

In this paper, laboratory measurements of sound reduction index for two types of cavity walls commonly used in façades are presented. The first type consists of “masonry–air cavity–brick” and the second one consists of “masonry–air cavity–-gypsum board”. Data are used to show that masonry walls with gypsum boards provide higher sound insulation tha...

Walls made from hollow bricks joined with mortared joints are often found in the construction of buildings. Brick walls are also used as noise barriers. Over time, mortared joints develop gaps and cracks that reduce the noise-reduction capability of a brick wall. Ceramic tiles or a combination of plaster and ceramic tiles can be applied to the surf...

Results of sound reduction index of three different laminated glasses mounted onto a 1.2 x 1.2 m window are presented. The sound reduction index as a function of frequency is also predicted for each sample using Sharp�s method and as a function of the bending wave impedance. The predictions have been compared with the measured values of sound reduc...