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“LA-GrBg-EnergyNet”. “ Schools Information Campaign ” « Energy and People ». “Energy Thematic Network of cross-border Greek and Bulgarian Local Authorities” «Ενεργειακό Θεματικό Δίκτυο διασυνοριακών Ελληνικών και Βουλγαρικών ΟΤΑ»
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“LA-GrBg-EnergyNet” “Schools Information Campaign” «Energy and People» “Energy Thematic Network of cross-borderGreek and Bulgarian Local Authorities” «Ενεργειακό Θεματικό Δίκτυο διασυνοριακών Ελληνικών και Βουλγαρικών ΟΤΑ» “Енергийна тематична мрежа на транс-граничните гръцко-български местни власти”
PARTICIPATING SCHOOLS • Mineralni Bani • Hristo Botev secondary school - Karamanci • Asen Zlatarov secondary school - Mineralni Bani • Momchilgrad • Nikola Vapcarov secondary school • St Kiril and Metodii secondary school • Satovcha • Kiril i Metodii secondary School - Satovcha • Hristo Smirnenski secondary School - Kochan • Municipality of Thermaikos • 2nd High school of Michaniona • 2nd Lyceum of Nei Epivates • Municipality of Paggaio • High school of Nea Peramos • High school of Nikissiani • Municipality of Komotini • 3rd High school of Komotini • 3rd Lyceum of Komotini • Municipality of Soufli • High school of Tychero • High school of Lavara LA_Gr-Bg_EnergyNet
«Energy and People» • Energy and human evolution...................04 • Energy and Resources............................06 • Forms of Energy, Sources and Means...09 • Tools, Mechanisms and Machines.........13 • The energy problem…...…….….….........16 • Environmental impact..............................20 • The sustainable energy..........................23 LA_Gr-Bg_EnergyNet
TITANOMACHY The defeated Titans were confined to Tartarus Prometheus created man from clay kneaded with the blood of the Titans and Fire Titanomachy (Peter Paul Rubens) LA_Gr-Bg_EnergyNet
THE MYTH OF PROMETHEUS Prometheus stole sparks into a reed from the Vulcan forge and delivered the fire to the people. This way people heated and lit up the walls of the caves, built tools, cultivated the land and developed arts and culture. (Σπηλαιογραφία της Αλταμίρα, περ. 18.500 π.Χ.) LA_Gr-Bg_EnergyNet
ENERGY - RESOURCES • Energy is the ability of a body or system to produce work • to change its status or its relation with the environment • Resourcesis anything that is useful -hence it has value- for the people • energy, materials, information, knowledge, infrastructure, human resources, structures are resources LA_Gr-Bg_EnergyNet
RESOURCES • Natural resources • Exhaustible (ores, fossil fuels)Renewable (air, water, solar energy, biomass) • Manmade resources • Building shells, infrastructure, networks, production structures, etc. LA_Gr-Bg_EnergyNet
THE TWO SIDES OF THINGS Fall of Phaeton (Peter Paul Rubens) LA_Gr-Bg_EnergyNet
FORMS OF ENERGY • Mechanical • Radiant • Electric • Magnetic • Elastic • Sound • Chemical • Nuclear • Thermal • Mass(E=mc2) Judging the ability to transform to other forms of energy, Thermal energy is the most degraded. LA_Gr-Bg_EnergyNet
ENERGY SOURCES LA_Gr-Bg_EnergyNet
ENERGY MEANS • Natural energy means: • Natural fuels of organic origin (wood, charcoal, oils, fats) • Fossil fuels (carbons, hydrocarbons, UraniumU235) • Dynamic fields (gravitational, solar, wind, hydro) • Geothermal fields (High-medium-low enthalpy, shallow) • Artificially produced means: • Pellets, Biofuels and Biogas • Υδρογόνο • Synthetic hydrocarbons • Wastes • Electric grid • Beams (Laser, light, infrared, microwaves) LA_Gr-Bg_EnergyNet
THE DAWN OF THE CIVILIZATION (Σπήλαιο Πετραλώνων Χαλκιδικής) • Energy sparked the civilization and is accompanying the people from the very beginning of its adventure. • Either as fire for being protected from the cold, for keeping away the enemies, for processing food, for working out tools and for creating arts, or as tools with which the people handle the energy. LA_Gr-Bg_EnergyNet
TOOLS - MECHANISMS www.robives.com LA_Gr-Bg_EnergyNet
MACHINES The mechanism of Antijkythera (ca 150 BC) • A total of parts and mechanismsthat manages power to accomplish a task. • Ancient Greeks sorted them into the simple ones or tools and the complex ones. • They convert a form of energy into an other or change its elements. LA_Gr-Bg_EnergyNet
ENERGY CONVERSIONS Human activities = Use of Energy = Energy conversions • The machines perform well; however, they have -more or less- low energy efficiency... • Each timewe lose something in Heat. (Archimedes 287-212 BC ) LA_Gr-Bg_EnergyNet
GIGANTOMACHY Enceladus retreated with panic, but Athena threw Sicily and crushed him beneath the island. So did Neptune, who buried Polyvotis with the island of Nisyros. Château de Versailles LA_Gr-Bg_EnergyNet
Energy by power source 2008 (Source: IEA) TWh % Oil 48.204 33.5% Coal 38.497 26.8% Gas 30.134 20.9% Nuclear 8.283 5.8% Hydro 3.208 2.2% Other RE 15.284 10.6% Others 241 0.2% Total 143.851 100% (Source: Wikipedia) WORLD ELECTRICITY GENERATION Renewables Nuclear Fossil fuels LA_Gr-Bg_EnergyNet
DEVELOPMENT OR ENLARGEMENT? LA_Gr-Bg_EnergyNet
THE ENERGY PROBLEM • The consumption demand is being increased while the energy reserves are reduced... LA_Gr-Bg_EnergyNet
ENVIRONMENTAL IMPACT LA_Gr-Bg_EnergyNet
THE GREENHOUSE EFFECT www.physics4u.gr
CLIMATE CHANGE • At +0,75οCincreased theaverage global surface temperature of the planet from the late 19th century! • At+0,5οC since 1950... • The main reason is the increase of greenhouse gases (CO2, CH4, N2O, O3, CFCs), which absorb and reemit infrared radiation. LA_Gr-Bg_EnergyNet
SUSTAINABLE MANAGEMENT • Thesustainable management of resources • requires: • saving of consumables resources • capacity to ensure full recovery of the renewables, so that they will be available to coming generations • touches: • all fields of human activity, emphasizing on • the most productive • presupposes: • continuous improvement of available technologies • restrictions on the use of resources that are inadequate • changing lifestyles towards the reduction of the unbounded consumerism LA_Gr-Bg_EnergyNet
SUSTAINABLE ENERGY • Sustainable energy is energy that enjoys sustainable management • Production, distribution and use of energy in an efficient, economical and environmentally acceptable way • Care for the conservation of the energy sources that must be delivered in tackt to the future generations • Energy is crusial to the sustainable development because it interacts with all three key areas: • Society: Energy is a prerequisite for the comfortable and decent living, while its absence is proof of social inequality • Environment: Energy activities have a tremendous pressure on the environment. • Economy: Energy is a key factor for the economic development LA_Gr-Bg_EnergyNet
THE THREE PILARS Sustainable Energyrests on the following three pillars: • Renewable energy • Solar · Wind • Geothermal · Hydroelectricity • Anaerobic digestion · Biomass • Tidal · Wave • Energy conservation • Cogeneration · Energy efficiency • Microgeneration · Passive Solar • Geothermal (shallow)· Green building • Organic Rankine cycle • Sustainable transport • Biofuel · Green vehicle • Electric vehicle · Plug-in hybrid LA_Gr-Bg_EnergyNet
ELECTRIC ENERGY • Thermal power plants • Conversion of the chemical energy to thermal then to mechanical and finally to electric energy • Transportation through the grid • Uses of electricity • Convertion of the electricity to light (with a lamp) or to heat (through a resistance) or to mechanical work (by the use of an electric motor), etc. LA_Gr-Bg_EnergyNet
(Source: Wikipedia) R.E.S. ELECTRICITY GLOBAL PRODUCTION LA_Gr-Bg_EnergyNet
ENERGY AND LIGHTING • Lightingrepresents about one fifth of household electricity consumption. • More efficient lighting technologies (LED) consume up to 5 times less electricity than incandescent bulbs • The energy saving bulbsreduce overall electricity consumption of a householdby 10-15% LA_Gr-Bg_EnergyNet
ENERGY EFFICIENCY Energy performance of buildings • Energy performance Certificates of buildings Energy efficiency of devices • Mandatory Energy class label Energy efficiency of vehicles • Energy efficiency motors • Energy class components (eg tires) LA_Gr-Bg_EnergyNet
ENERGY AND TRANSPORTATIONS • The engine of a car converts only 20% of the consumed fuel into usable energy • The remaining 80% is lost to the atmosphere as heat • The driving behavior is responsible for a significant share of the increased fuel consumption • Transports is the world's fastest growing energy consumer • They consume more than 20% of the primarily produced energy worldwide • They contribute largely to the environmental pollution LA_Gr-Bg_EnergyNet
ENERGY SAVING IN TRANSPORTATION • Transformation of transport networks • Improvement of planning • Substitution of road transports by the combined transports • Propagation of the logistics and telematics • Optimal use of transport means • Walking, Cycling • Public transport, Carpool • Use of vehicles that incorporate high-efficiency technologies • Better exploitation of energy • Ecological / economic driving • Low engine turns • As constant as possible speed LA_Gr-Bg_EnergyNet
ENERGY AND URBAN ENVIRONMENT • Facilities:ports, stations, parking, waste management, electricity production, κ.ά. • Constructions:all kinds of construction sites • Businesses:shops,workshops, warehouses, small and medium industry, larger enclave plants • Recreation:cinemas, theater, concert halls, etc • Climate:Heat island effect, air pollution, light pollution and noise • Buildings:heating, conditioning, lighting, home appliances, office automation, elevators, etc • Networks:water, electricity, telecommunications, sewerage, etc • Open spaces:lighting, irrigation, caring and maintenance • Mobility:public transportation means on track or not, private cars • Transportation:transport of goods, materials and products, waste and by-products disposal LA_Gr-Bg_EnergyNet
SUSTAINABLE CITIES • Networks & Infrastructure • Underground routes • Environmental planning • New technologies • Open spaces • Bioclimatic open spaces • Walkways, Bikeways • Inflows - Outflows • Rationalization • Enhancing the immaterial • Structure • Reduce need for travel • Diversification of travel to public transport LA_Gr-Bg_EnergyNet
SUSTAINABLE TRADITION LA_Gr-Bg_EnergyNet
LA GrBg EnergyNet Thank you for your attention! Many thanks also to: • Wikipedia (www.wikipedia.org) • Physics4u (www.physics4u.gr) • International Energy Agency (www.iea.org) • EU ManagEnergy initiative (www.managenergy.net) • My teachers LA_Gr-Bg_EnergyNet