Preface ....................................................................... IX Energy sustainable development in islands and tourism The Integrated Development and Environmental Additionality Assessment System - IDEAAS ..................................................... 3 A.Flamos, J.Psarras and J.-E.Samouilidis Renewable energy-based electrification of East Timor - A strategy for sustainable development ................................................... 25 D.Mota, M.Nogueira and M.Rodrigues Pinto Development of a decision support tool for sustainability assessment of energy recovery systems using refuse derived fuel .......................... 55 D.Kolaitis, D.Giannopoulos and M.Founti Geothermal energy sources An urban low-enthalpy geothermal initiative as a sustainable development opportunity. The environmental assessment issues in an urban industrialized area in the geothermal state of Europe ......................... 69 M.Andreozzi, P.Bagnoli, G.Gabbani and M.Negri Evaluation of the length of insulated inside and outside pipe effect on heat efficiency of a Downhole Geothermal Coaxial Heat Exchanger (DGCHE) ............ 79 T.Kujawa and W.Nowak Ocean wave energy sources The potential of ocean wave energy to contribute to the Portuguese R.E.-Mix ... 95 F.Neumann, A.Brito-Melo and A.Sarmento Approach and tools for the implementation of ocean wave energy devices ............................................................... 105 A.Brito-Melo, F.Neumann and A.Sarmento Wind energy sources Practical implementation of forecasting model in the analysis of wind energy impact on grid frequency ...................................... 121 A.Rios Villacorta Power curves and rotor thrust curves for Hawts: BLADE Code ................... 135 R.Carranza and S.Garcia Using Meso-Scale modelling for the prediction of wind resources in Portugal ........................................................ 147 J.M.M.Sousa Biomass energy sources Biomass gasification and use of syngas as an alternative fuel in a Belgian coal-fired boiler ............................................... 161 Y.Ryckmans and F. van den Spiegel Co-firing of low rank coal and biomass: a promising pilot experience ......... 173 P.Canalis, J.Palacio, J.Pascual, J.Royo, F.Sebastian and R.Tapia Measurements in a 1.5 MW pressurized gas turbine combustor operated on biomass derived low calorific fuel ............................... 185 M. van der Wel, B.Adouane, O.Unal, W. de Jong and H.Spliethoff Natural emission spectroscopy for diagnostics of the reaction zone inside a MILD combustor ................................................. 193 M.Marrocco, M.Magaldi, V.Visentin, M.D'Apice, R.Cipriani and S.Giammartini Evaluation of biomass residuals in Portugal mainland ......................... 215 J.Dias and J.L.T.Azevedo Biomass and waste gasification in AFB reactor ................................ 229 Z.Skala, L.Ochrana and Nguyen Van Tuyen Biogas generation from Jakarta municipal waste ............................... 243 S.Adisasmito Co-combustion of biomass in lignite-fired power plants ....................... 253 D.Kirmse and H.J.Krautz Fuel cell technologies Demonstration of fuel cell technology for decentralised co-generation in Greece ...................................................... 273 E.Kakaras, D.Giannakopoulos, A.Rouvas and K.D.Panopoulos Fuel cells as source of ecological energy for automotive vehicles ............ 281 K.Lejda Proton Exchange Membrane Fuel Cells (PEMFC) for decentral cogeneration ....... 295 I.Romey, D.Behrens and S.Schmitz Preparation of active nickel electrodes by oxidation/reduction ............... 301 T.Werber, Z.Zurek, T.Wierzchon, J.Stoch, A.Stawiarski and M.Homa Barriers for commercial application of fuel cells ............................ 309 F.Chen, M.G.Carvalho and L.M.Alves The development of a multipoint sequential injection hydrogen fuelled engine.. 331 R.Sierens and S.Verhelst Energy in buildings Dynamic windows in buildings ................................................. 351 F.Gugliermetti and F.Bisegna Numerical analysis for performance evaluation of a passive roofing system cooled by water evaporation ................................... 363 M.Manzan and O.Saro Study of a trigeneration system in an office building ........................ 375 L.Roriz and A.Mortal Shading devices in building design ........................................... 383 F.Bisegna and C.Aureli Evaluation of energy systems Controlling active power flow in an electrical network containing conventional and renewable production ........................................ 397 F.N.P.Medeiros, H.M.G.C.Cabrita and R.M.G.Castro Experimental-computational evaluation of a solar water heating system ........ 405 J.G.Barbosa Saldaсa and P.Quinto Diez Trigeneration - SOFC for power, heat and material supply ..................... 419 J.Stichtenoth and R.Meyer-Pittroff Sustainable energy from waste by gasification and plasma cracking, featuring safe and inert rendering of residues. Recent experiences for reclaiming energy and ferrochrome from the tannery industry .................. 427 J.Hetland, S.Lynum and S.Santen Introduction of small-scale biomass gasification systems in rural China and the Amazon region of Brazil ........................................ 441 J.Andries and C.Timmers Isolated areas as a base of modern economical structures in future ........... 449 O.Jedicke and H.Dumpert Separation of plastics from municipal solid wastes ........................... 459 M.T.Carvalho, F.Durao and A.Felicio Selection of polymeric materials for limited regions, referring an effective waste-management ................................................... 469 O.Jedicke, C.Herrmann, M.J.Garcia Vargas and E.Pintado Navarro Author index ................................................................. 481