Kim, Solar rights analysis system for apartment buildings, Solar Energy 80 The simulation results are presented in Figure 4 and Figure 5. The total annual energy produced by the solar thermal collectors is kWh. At the same time solar thermal collectors cannot be the only resource for DHW production in North-European countries. As the yearly consumption in different buildings varies widely, it is possible to show how the consumption of DHW and the production of solar thermal energy are related. The main types of stationary collectors are: New search features Acronym Blog Free tools.

polysun 5.5

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Inside the connection groups the collectors are connected in series Figure 4. Weather data were measured in a solar radiation measurement station situated at Tallinn University of Technology.

Voss, Solar energy in building renovation — results polyusn experience of international demonstration buildings, Energy and Buildings 32 More detailed characteristics of the studied collectors are presented in Table 2.

In the case of the test building and the similar neighboring buildings the DHW system has been designed exactly the ploysun way.

polysun 5.5

The total annual energy produced by the solar thermal collectors is kWh. If the consumption is higher, the production of collectors is bigger but at the same time the polysyn of solar thermal collectors compared to the total production is lower. The main characteristics of the building 55 presented in Table 1. Science, medicine, engineering, etc.


This definition appears frequently and is found in the following Acronym Finder categories: The optimum size of the storage tank, Applied Energy 97 The yearly simulations have been done in 5 different cases.

HPPA – What does HPPA stand for? The Free Dictionary

The comparison of global and diffuse irradiance at the horizontal surface and in Meteotest is presented in Figure 6. New search features Acronym Blog Free tools.

polysun 5.5

Collectors are divided into poljsun groups, which are connected polyskn parallel. The measured data are recorded with Docom CS software. Solar irradiation also varies considerably from year to year causing a large variation in the solar collector delivered heat.

Samples in periodicals archive: Retrieved December 9 from https: At the same time if the consumption of DHW is low, the yearly production of solar thermal collectors is higher compared to the total production Figure 5.

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The investigated solar thermal system Six solar thermal collectors have been installed on the roof of the building Figure 1. The consumption poysun DHW can be variable in different buildings and it depends on several factors [6]. In the measured global and diffuse irradiance were both higher than the values in the simulation.


During the last two decades DHW consumption in Estonian apartment buildings has decreased [7]. It can be said that in the summer period it is possible to produce a significant part of the DHW with solar thermal collectors. Ventas, domestic hot water consumption vs.

The studied annual DHW consumptions are 73 m3, m3, m3, m3 and m3. Trends in domestic hot water consumption in Estonian apartment buildings. The studied building The test building is situated in Tallinn.

Wackelgard, The influence of climate and location on collector polusun, Renewable Energy 25 According to the measured data it is possible to present the monthly solar thermal energy production Figure 7. Stationary compound parabolic collectors; 3. Theoretical background There are basically two types of solar collectors: The only difference is that in the test building DHW is also produced by solar collectors. After the ;olysun tank is heated up, natural circulation helps to heat the second tank.