Chiva. Urbanización El Bosque. Valencia
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1. Most Important Goals
- Designing a prototype low-budget housing for mass promotion.
- Designing a home of bioclimatic high despite poor solar orientation, and the stringent building area.
2. Architectural Solution
The site has an elongated shape, and the urban ordinances require the design of a rectangular housing. For this reason, it greatly restricts the ability bioclimatic housing, ie reduces the ability of cooling or heating, if pampered, due to its architectural design, without technological devices.
Since I could not control how outside the house, the only possibility that remains for you to behave in a bioclimatic acceptable, is to control the entry of solar radiation by internal holes, like a patio.
Thus, we have provided two large courtyards oval (with north-south) by entering a controlled manner, the solar radiation. Thus, it enables all the rooms of the house with natural lighting and that the home has a certain capacity for greenhouse heated by direct solar radiation.
The green roof is integrated into the hillside, and is an extension of it. Thus, it enables owners walk, albeit on housing, since the plot has a huge slope.
3. Sustainable Analysis
Same sustainable features Guaita House.
4. Bioclimatic characteristics
1.1. Heat Generation Systems
The house is heated by itself, in two ways: 1. Avoiding cool: Due to its high thermal insulation, and having most of the glass surface to the south. 2. Because of his careful and special bioclimatic design, the home is partially heated greenhouse, solar radiation and electric batteries to your nightly rate.
1.2. Fresh Generation Systems
Housing cools itself in three ways: 1. Avoiding hot, providing the bulk of the glass surface to the south and just east and west, providing sun protection for the direct and indirect solar radiation (a type of protection different for each of the holes with different orientation), and providing adequate insulation. 2. Cooling by a cooling air architecture by means of underground galleries. On the other hand, due to high thermal inertia of the building, the accumulated fresh overnight stays for nearly all the next day. The fact that housing is partially buried possible that tends to stay cool, and even temperature, throughout the year. 3. Evacuating the hot air outside the housing through the upper windows of the central zone. The cover is tilted power of natural convection and provides an effective "chimney effect" to extract the hot air inside the house.
3. Storage systems (heat or cool)
The heat generated during the day in winter it accumulates in the floors and load-bearing walls, keeping the house warm during the night. Similarly, generated during the cool summer night up in the floors and load-bearing walls, keeping the house cool during the day. The roof garden high thermal inertia, reinforces this process.
4. Transfer systems (heat or cool).
The heat generated by the greenhouse effect and natural radiation is distributed in the form of hot air throughout the building from the central zone. Similarly, the heat accumulated in the load-bearing walls is transmitted to the radiation side rooms.
The cool air generated in the underground galleries for the housing is divided by a set of grids spread over the floors.
5. Natural ventilation
The ventilation of the building is a continuous and natural, through the very walls surround, allowing adequate ventilation without energy loss. This type of ventilation is possible as all materials are breathable (concrete, hemp insulation, paint silicates), although the whole performance has a completely waterproof.
5. Outstanding innovations
- Establishment of two patios (one covered and one uncovered), which allows an acceptable bioclimatic performance in buildings that can not control its direction, and its external shape.
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