By A. A. M. Sayigh

The NORTHSUN ninety convention supplied a discussion board for scientists from excessive range nations to debate their event of solar power. The booklet is split into components, half One offers with power conservation and administration in structures and sunlight and coffee power structure. half covers all features of renewable power; fabrics technology and photovoltaic conversion, climate information, heating and cooling of structures, scorching water structures, wave power, geothermal power, strength garage, state programmes and different comparable themes. In northern latitudes strength discounts in constructions of as much as 50% could be completed. NORTHSUN ninety inspired the attainment of this target, selling using solar power in heating and collective paintings on sun tasks of direct gain to the area.

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3 HADEN COURT ENERGY EFFICIEN T ESTAT E IMPROVEMENT DAVID CLARKE an d ANDREW MYER Davi d Clark e Associates , 4 Tottenha Londo n W1 P 9PJ , UK . m Mews , ABSTRACT Hade n Cour t i s a demonstratio n projec t withi n th e Energ y Efficienc y Office' s Energ y Efficienc y Demonstratio n Schem e lookin g a t rehabilitatio n o f traditiona l construction , low/medium-ris e flats . I t show s tha t a comprehensiv e packag e o f energ y measures , includin g bot h insulatio n an d passiv e sola r feature s ca n provid e energy-efficien t home s cos t effectivel y whe n applie d a s par t o f a genera l reha b programm e - a s wel l a s providin g additional , non-energ y benefits .

Furthe r improvement s ma y als o occu r if a n insulate d storag e tan k is used , wit h thermostaticall y controlle d releas e o f hea t t o th e sunspac e a t night . In thes e test s th e collecte d sola r hea t wa s use d entirel y fo r warmin g th e sunspac e a t night . An alternativ e is t o us e it t o pre-hea t domesti c ho t wate r fo r th e adjacen t building . Th e collecto r performanc e characteristic s o f th e bar e uninsulate d absorbe r plat e use d in th e modifie d sunspac e wer e measure d ove r a shor t winte r perio d o f severa l days .

39 The testcell is highly insulated and can be provided with high or low internal lining, to simulate practical situations. Within the testcell a realistic indoorclimate is created, thus simulating as good as possible a real room. During 1988-1989 the facilities in the different countries became operational. The last 2 years of the project will be mainly used to finalize the building up of the facilities, for testing and comparison of testresults from the different countries, but especially for the final choice of a suitable measuring and evaluation procedure and the elaboration of standardized procedures.

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