Ventilation Air Conditioning

Download Energy efficient buildings with solar and geothermal by Ursula Eicker PDF

By Ursula Eicker

A contemporary and exact viewpoint on sun and geothermal applied sciences for heating and cooling constructions This e-book could have a huge allure achieving working towards engineers within the in addition to scholars. With introductory sections for every know-how defined, fabric comprises chapters on: geothermal power use for the heating and cooling of constructions; a bankruptcy on electrically pushed warmth pumps/chillers; Read more...


a contemporary and special viewpoint on sun and geothermal applied sciences for heating and cooling structures This e-book may have a huge charm attaining training engineers within the to boot as Read more...

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Extra resources for Energy efficient buildings with solar and geothermal resources

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Finally, the total primary energy performance for different building typologies and urban forms were evaluated for a given site area. Depending on the building typology chosen, different number Energy Efficient Buildings with Solar and Geothermal Resources 33 of buildings, Ɣats and people can be placed on the site. For each building type, the heating and cooling demand was simulated. The site density chosen was 40%. 7 Building type energy performance for a site coverage of 40%. Delivery distribution losses of 10% were added to the demand of heating and cooling.

5 × 10-5 with an exponentially dampened polynomial function of third order (Wong, 1997). 31) From the values of the error function, it can be directly determined which temperature T(x, t) prevails at any point x and time t. If, on the other hand, the penetration of a given temperature ratio T(x, t) to the initial temperature Tc at time t or depth x is to be determined, the equation must be solved through iterations for z, and x and t must be calculated from z = x / 4at . 10 Error function erf(z) = T(x,t)/Tc as a function of z = x / 4at .

6 Wǭm-2ǭK-1). 1ǭWǭm-2ǭK-1, the g value falls from 36% to 12%. 2 Transparent thermal insulation (TTI) Since the early 1980s, transparent thermally insulated facade systems are available on the market. Compared to conventional thermal insulation in buildings, transparently insulated external walls can well utilise incoming solar radiation. The energy-saving potential for the application of such solar systems is high. For example, if a Ɠfth of all existing building facades in Germany were equipped with transparent insulating systems, approximately 15% of the heat needed for room heating could be supplied.

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