Presentazione dany
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This document discusses various ways to save energy in different sectors such as transportation, buildings, and industry. It provides 20 simple rules for saving energy at home, such as setting thermostats no higher than 20°C, using fluorescent light bulbs, and installing double glazing and thermal insulation. Alternative energy sources like photovoltaic plants, solar panels, wind turbines, hydroelectric plants, geothermal and biomass are also mentioned as ways to save energy and reduce costs.
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Presentazione dany
- 1. Saving Energy How can we live better by spending and wasting as low as possible?
- 6. … or electrical cars (already utilized in many countries) These are exemples og elettrical cars already present on the market.
- 7. If we compare the costs of petrol and dieses cars in different countries with the new hydrogen car and the electrical cars already circulating, we have following chart: 58.912 € Electrical USA Tesla Roadster 442 € al mese per 3 anni Hydrogen California Honda FCX Clarity 30.000 € Petrol Germany Audi TT 15.000 € Diesel Norway Saab 13.500 € Diesel Spain Seat Leon 11.500 € Petrol Italy Fiat 500 Cost of the car Type of motor Manufactoning country Car
- 8. In the Civil sector on the contrary, it is possible to work intensively on the buildings (private and public buildings, school…) Here above we can see an energetical classification of buildings and equipments adopteted by the E.U. On the right side a chart of utilization of energy in buildings. Low Consumptions EN norm XY Noise dB (A) re 1 pW ABCD Specific Parameters Electrodomestic XYZ Energy Consumption kWh (Assumption Yearly Cycles) Other Consumptions LOGO ABC 123 Manufacturer Type Energy
- 9. Twenty simple rules to save energy 1. Never set heating on more than 20° C; 2. Never set the temperature of boilers on more than 60° C; 3. Use of fluorescent bulbs; 4. Switch off unnecessary lights; 5. Avoid stand-by function on electrical equipments;
- 10. 6. Replace used household appliance with high-efficency ones; 7. Go downstairs and not use the left (if possible!); 8. Save kitchen gas utilizing pressure cookers; 9. Utilize rationally washing machines and dishwasher; 10. Prefer shower to bath;
- 11. 11. Nerver lower fridge temperature under 3° C; 12. Avoid opening and closing too often the fridge; 13. Switch of battery changer after having changed; 14. Clean bulbs, reflectors and dust diffusors; 15. Paint and papre interior walls light colours;
- 12. 16. Avoid using indirect or too shaded lights; 17. Reduce draughts by isolating; 18. Instale thermoisolated glass; 19. Often let boilers be serviced; 20. Utilize cars as little as possible.
- 13. At home and at schools it is possible to save energy and reduce costs in many ways, for example: Double glazing Thermoisolation Time thermostat Condensation boilers Fluorescent bulbs
- 14. In order to save in the above mentioned sectors it is possible to use alternative equipments, such as for example: Photovoltaic plants Thermal solar panels plants Aeolian plants Hydroelectrical plants Geothermical Plants Biomass plants
- 15. Photovoltaic plants - They permit to transform solar power in electrical power without using fuel; - It is possible to produce electrical energy in the same place where it is consumed ; - The plants can be widened ; - Low cost servicing . - Low environmental impact ;
- 16. Thermal solar panels plants - Producing hot water reducing use of fuels ; - Minimal managing and servicing costs ; - Most common application : solar manifold .
- 17. Aeolian plants - Wind is an inexhaustible energy source ; - Wind does not produce waste ; - Wind does not pollute ; - Electrical energy is generated by transforming mechanical energy produced by the blades of the aerogenarators .
- 18. Hydroelectrical plants - The energy of water is relatively large and clean. It is produced by transforming hydraulic energy in mechanical energy by turbines which themselves move the alternators for the production of electrical energy.
- 20. Biomass plants - Biomass are renewable energy; - They can find use as combustible; - They can be used in the production of electricity,heat and tractions.