Solar Air Systems: A Design Handbook
Active solar systems for air heating are a straightforward yet effective way of using solar energy for space heating and tempering ventilation air. They offer some unique advantages over solar water systems, can offer improved comfort and fuller use of solar gains than passive solar systems and are a natural fit with mechanically ventilated buildings. They can be economical, with short pay-back periods and can act not only as space heating or ventilation air heating but also for water pre-heating, sunshading, electricity generation (with hybrid photovoltaic systems) and can help induce cooling. This design handbook takes architects and building engineers through the process of designing and selecting an active solar system from the six types presented, optimizing the system using nomograms and curves, and finally dimensioning the components of the system. Tips are offered regarding the construction and how to avoid problems. The book will provide essential design information for all architects, building engineers and other building design professionals and all those concerned to reduce the environmental impact of buildings.
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IV 5 Spatial collectors
discharge loop A Glossary
in ALTERNATIVE USES OF SYSTEMS 113 D Climate impact on performance
COMPONENTS 131 H Nomogram assumptions
Window air collectors 46 Matthias Scbuler
absorber active solar air change air flow rate air gap air heating system ambient applications buffer calculated Chapter climate cloudy coefficient collector area components concrete connected construction control strategy cooling costs dampers discharge double envelope double facade duct system efficiency electricity Energy performance energy savings Figure floor area glazing heat exchanger heat load heat loss heat transfer heat transfer coefficient heating demand hypocaust inlet installed insulation level loop system m2 floor m2/m2 floor mass flow rate mechanical ventilation mineral wool murocaust nomograms ofthe operation output panels parameters passive passive solar Polystyrene pressure drop pressure loss reference building rockbed roof sensors simulation solar air collector solar air heating solar air system solar collector Solar Energy solar gains solar heating solar radiation solar system space summer Sunny sunspace surface Table temperate thermal thermostat tion Trnsair values velocity ventilation air ventilation system window air collector zone