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This news article was originally written in Spanish. It has been automatically translated for your convenience. Reasonable efforts have been made to provide an accurate translation, however, no automated translation is perfect nor is it intended to replace a human translator. The original article in Spanish can be viewed at Arfrisol inaugura su tercer edificio totalmente renovable en Asturias
This project, coordinated by the Ciemat, shows that it is possible to obtain conventional energy buildings zero

Arfrisol opens its third fully renewable building in Asturias

CIEMAT25/11/2008

November 25, 2008

In late November, the Secretary of State for research, Carlos Martínez Alonso, and the President of the Principality of Asturias, Vicente Álvarez, inaugurated the building of the Barredo Foundation in San Pedro Anes, Siero, Asturias. Belonging to the ' Singular and strategic project', funded by the Ministry of science and innovation, on 'Bioclimatic architecture and cold Solar (Arfrisol)', the building is intended to demonstrate that it is possible to save a 80 to 90 per cent of conventional energy using bioclimatic criteria in the design and construction.

They were accompanied by other authorities such as the director-general of planning and coordination, Juan José Moreno Navarro; the director general of the Ciemat, Juan Antonio Rubio Rodriguez, and the Mayor of Siero, Juan José Corrales, and the Mayor of Mieres, Luis María García.

The President of the Principality of Asturias inaugurated at the end of November the third building Arfrisol...
The President of the Principality of Asturias inaugurated at the end of November the third building Arfrisol, a unique and strategic project the Ministry of science and innovation-driven and coordinated by the Ciemat.

A unique project

The opened building corresponds to the research center of fire and ventilation in tunnels of the Barredo Foundation. This building, named in the project as 'research (C-DdI) contenedor-demostrador', combines active solar and photovoltaic modules Solar passive, apparent in the design, and technical strategies. In addition, replaces conventional energy with the obtained from biomass, obtaining the best conditions of energy efficiency and all this with the appropriate thermal conditioning to the climate of Asturias.

The design of the building, which has due conform to form 'and' to respond to its nature of tunnel of trials, presented some noteworthy aspects such as the exterior coating, with facades ventilated with red stone of Covadonga and chestnut wood. Obviously be taken into account the different orientations in terms of thermal inertia and thickness of thermal insulation; the glass gallery, along the lines of the Asturian granaries, where crystals have been replaced by photovoltaic modules; and, of course, integration in the solar cover.

The normal activity of the offices will allow to take experimental data which will run until 2010, year in which the completion of the project Arfrisol and time in which theoretical energy savings data may contrast with those obtained under normal conditions of use is provided.

The three storey building occupies a total of 1,475 square meters, dedicated to offices and outdoor spaces. It incorporates under its foundation tubes for cooling of the hot water from the bombs of absorption, by controlling the temperature thanks to 68 sensors located on the pipes and on the ground.

Located in San Pedro Anes, the building is owned by the Foundation Barredo
Located in San Pedro Anes, the building is owned by the Foundation Barredo.
Strategies used in the construction of this Center

Aspects bioclimatic, establishing the difference between passive strategies (solely based on the design) and the active, most noteworthy are the following:

Passive:

  • Use of the thermal inertia.
  • Design differentiated façades according to orientation.
  • Direct gain through glass gaps.
  • Indirect profit through opaque.
  • Semidirecta profit through Gallery greenhouse, automatically ventilated in summer.
  • Ventilated facades.
  • Different thickness of isolation according to orientation.
  • Solar control through shading of facades with trays umbrellas of different lengths.
  • Natural cross ventilation.
  • Freely ventilated roofs
  • With the ground under the building heat exchanger: horizontal coil segmented into manageable circuits automatically and water as fluid caloportador.

Active:

  • Thermal solar field.
  • Photovoltaic solar field.
  • Solar cold.
  • Air conditioning fan coils and floor heating.
  • Elimination of cooling tower.
  • Production of heat conventional using biomass as fuel

Towards a rational use of energy in buildings

One of the objectives of Arfrisol is to contribute to the necessary 'change of mentality' on energy consumption in buildings, task in which working teachers of the Royal Spanish physical society through the development and publication of educational material aimed at students of primary and secondary education, in addition to the disclosure to the public in general.

Companies participating in the Consortium are: Acciona, Atersa, Climatewell, Drace, Dragados, FCC construction, Foundation Barredo, Gamesa, Isofoton, OHL, Unisolar; universities and research centres of the University of Almería, the University of Oviedo and the Ciemat is, moreover, the general coordinator of Arfrisol.
The Asturian contribution reflected in the Barredo Foundation building and the participation of the ETS of industrial engineering and chemical engineering, in relation to the analysis of the behaviour of energy both theoretical and experimental; as well as in the Group of secondary school teachers.

Expected results

At the end of the project, which will be built five office buildings unique in design, installations and performance energy cuatinficados in real conditions of use. They will be office buildings energy efficient, with a consumption between 80 and 90 per cent less than at present, "measured, analyzed and quantified".

The Arfrisol project will be provided with facilities and solar equipment such as sensors, photovoltaic modules and pumps of absorption ("studied and optimized") for the rational use of energy in the market.

The construction of the building of the Foundation Barredo took into account his status in the Cantabrian cornice...

The construction of the building of the Foundation Barredo took into account his status in the Cantabrian cornice, a zone with high rainfall and mild winters and mild summers.

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