engleski

Optimization of Solar Consumption Water Heating Systems Based on Average Monthly Data

A simple procedure, based on average monthly solar radiation and temperature data is proposed to choose an optimal system for consumption water heating in tourist facilities and domestic use. The energy consumption and the energy gain of the solar heating system is calculated for each month in the year. Considering total system annual costs, the optimal collector area is evaluated. The optimal area is depending on consumption dynamics, solar radiation and the type of auxiliary heating system, as well as prices of energy and equipment. Analysis takes into consideration combinations of solar collectors with electric boiler, oil fired boiler and the heat pump. A software is developed to perform calculations. The advantage of the optimization program is the limited number of input data, most of which are readily available for most regions and tourist facilities. This enables designer to choose the optimal heating system in the early phase of design. The results are presented on example calculation of a consumption water heating system for a hotel and a tourist camp at Adriatic coast.

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