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Manual T*SOL basic 5.0 - Valentin Software

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User <strong>Manual</strong> <strong>T*SOL</strong> 13 Appendix<br />

Storage regrouping<br />

Heat transport from the solar storage tank to the standby tank. When activated, storage regrouping<br />

occurs when a higher temperature is present in the solar storage tank (top) than in the standby tank<br />

(top).<br />

Storage tank ST<br />

To bridge weather-related and/or seasonal fluctuations in irradiation, storage tanks are used to<br />

buffer heat. The volume of the storage tanks is governed by the heating requirement and the period<br />

of time to be bridged.<br />

Stratification<br />

Facility enabling layered loading of storage tanks. Typical stratifications are e.g. convection<br />

chimneys with radial openings.<br />

Sun height, angle of elevation γs = sin h<br />

Angle of the sun to the horizontal. The solar altitude angle depends on the daytime, the time of the<br />

year and the geographical location.<br />

Suneye<br />

Device to determine an optimal location for the solar system with the help of annual irradiation<br />

graphs and sun-active time of day data.<br />

Supplementary heating<br />

→ Auxiliary heating<br />

Supply/removal (To/Fro)<br />

Surface A<br />

-> see Effective surface AN<br />

Swimming pool SP<br />

Swimming pool water heat requirement<br />

The total amount of energy generated by the solar system and auxiliary heating for the swimming<br />

pool.<br />

System efficiency<br />

Quotient of the available energy generated by the solar system and the energy irradiated onto the<br />

collector surface (active solar surface). It is a benchmark for the system's efficiency.<br />

System expenditure factor eP [-]<br />

The system expenditure factor describes the ratio of primary energy absorbed by the system<br />

technology in relation to the available heat released by it. The smaller the value, the more efficient<br />

the system. In residential buildings, the value for the energy requirements of a system also takes<br />

account of preparation of a standard amount of hot water.<br />

eP = QP / ( Qh + QTW )<br />

-> Differentiation:<br />

The expenditure factor describes the energetic quality of the heat generator under the conditions<br />

found in the building,<br />

while the value for the energy requirements of a system describes the energetic quality of the entire<br />

heating system.<br />

Dr. <strong>Valentin</strong> Energie<strong>Software</strong> GmbH page 100 / 104

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