Selective surfaces for solar-thermal conversion

The main topics considered in this lecture are: 


some general information about energy consumption


energy consumption in residential sectors and in urban areas


energy use in residential and commercial sectors


relation between energy consumption and urban character of residential buildings


seasonal and daily fluctuations of main consumptions


potential applications of district heating systems and total energy systems.

Assessment of the Energy Consumption of Urban Forms

Integrated energy conversion systems: A mathematical model of extraction steam turbine

Total Energy is the marketing name for a practice, well established in Britain and elsewhere, though not always known by this name or widely publicised. A total energy system meets all the energy requirements of a site with fuel by on-site generation of electricity, waste heat recovery from the prime-movers and the provision of supplementary heat as required. Fig. 1 shows this concept in a diagrammatic form: fuel is supplied to a prime-mover to generate electricity and a proportion of the heat in the exhaust gases and cooling water is recovered and used as hot water, hot gases or steam. The term is also applied more generally to combined heat and power systems where on-site generation and heat recovery optimise the use of fuel within the site, usually to provide the bulk of the energy requirements.

A G Daglish

Papers

Total Energy Systems