Puteti sa ne vedeti la Salonul de Inventii si Inovatii INVENTIKA 2014, in cadrul ROMEXPO, Bucuresti, octombrie 2014.
Technical Detail Description/ Sources of Alternative Energy abstract:
The proposed construction will make use of two distinct sources of alternative energy. The first of them – the telluric system – will use the heating pumps geothermal system to regulate the air-conditioning (the cooling and the heating) of the interiors. Consecutively, the solar energy caption system, comprising photovoltaic cell panels, was placed on the South-East frontage (local South-West), to ensure an optimal energetic performance. The system was integrated within the general volumetric model as a portico, thus reinterpreting the ancient Danubian, naturally ventilated, front-porches (stoops). The photovoltaic system was designed as a ventilation system with on grid functioning, integrating semi-transparent (poly)crystalline cells panels into external the South side of the portico. In addition, the integrated photovoltaic system will regulate the heating input and will secure the solar radiation protection for the entire building.
The photovoltaic system is considered as a semi-transparent surface type roof structure with an area of 241 sq.m. The system has been integrated into the overall volumetric, following typology porch, open porches reinterpreting old, naturally ventilated specific Dobrogea area. Orientation photovoltaic panels aimed efficient energy capture agent. System in efficiency was followed by: global solar irradiation, orientation in compass and tilt efficiency solar surface with the following factors:
- Annual average radiation geographic area = Dobrogea, Romania: The global irradiation conditions considered optimal average average / year of 1700 kWh / m² in the Danube Delta at an orientation of 100%. The proposed system qualifies for a performance by 92% for cardinal orientation guidelines SE and 42% for SV, ie, yield according to inclination (45 degrees) for 95% of the annual average, reduced by ~ 5% percent compared the optimum 100% in winter and summer.
- Yield bias: total: 241 sq.m. SE, with productivity of 92% for an inclination angle of 45 degrees. Construction cover a maximum yield of 13-15% for polycrystalline cells in mixed arrangement mono-crystalline cell efficiency up to 15-18%.
The Geo-exchange system The heating, ventilation and air conditioning system implements the complex GEO-EXCHANGE system. By using geothermal heat pumps is exploited the heat stored in the earth in order to heat / air condition the building. The Geothermal heat pumps rely on the constancy of the soil temperature at a depth determined throughout the year, and not influenced by the weather. The energy operated by the proposed system mostly comes from the inner ground. Type heat pumps Ground-water (geothermal) transfers the energy from the ground to the building in winter, in summer the transfer taking place in reverse.
The system HVAC+ACC uses a number of: 2 heat pump type soil-water (WATER-WATER) of 29 kW and 2 AIR-WATER heat pumps of 10.5 kW, connected to one thermic point, located in the technical space, targeting a heat output of 83,740.64 Wt. necessary for the operation of the research center, with a reserve of 12,300.00 Wt. The thermic point receives geothermal heat from the earth heat exchanger (SCP) that provides a source for thermic heating in winter and cooling in summer.